diff --git a/configs/atoll/atoll.mk b/configs/atoll/atoll.mk
old mode 100644
new mode 100755
index 3432cdc..3517085
--- a/configs/atoll/atoll.mk
+++ b/configs/atoll/atoll.mk
@@ -69,86 +69,7 @@
 AUDIO_FEATURE_ENABLED_BATTERY_LISTENER := true
 ##AUDIO_FEATURE_FLAGS
 
-AUDIO_HARDWARE := audio.a2dp.default
-AUDIO_HARDWARE += audio.usb.default
-AUDIO_HARDWARE += audio.r_submix.default
-AUDIO_HARDWARE += audio.primary.atoll
-
-#HAL Wrapper
-AUDIO_WRAPPER := libqahw
-AUDIO_WRAPPER += libqahwwrapper
-
-#HAL Test app
-AUDIO_HAL_TEST_APPS := hal_play_test
-AUDIO_HAL_TEST_APPS += hal_rec_test
-
-PRODUCT_PACKAGES += $(AUDIO_HARDWARE)
-PRODUCT_PACKAGES += $(AUDIO_WRAPPER)
-PRODUCT_PACKAGES += $(AUDIO_HAL_TEST_APPS)
-
-ifeq ($(AUDIO_FEATURE_ENABLED_DLKM),true)
-BOARD_VENDOR_KERNEL_MODULES := \
-    $(KERNEL_MODULES_OUT)/audio_apr.ko \
-    $(KERNEL_MODULES_OUT)/audio_q6_pdr.ko \
-    $(KERNEL_MODULES_OUT)/audio_q6_notifier.ko \
-    $(KERNEL_MODULES_OUT)/audio_adsp_loader.ko \
-    $(KERNEL_MODULES_OUT)/audio_q6.ko \
-    $(KERNEL_MODULES_OUT)/audio_usf.ko \
-    $(KERNEL_MODULES_OUT)/audio_pinctrl_lpi.ko \
-    $(KERNEL_MODULES_OUT)/audio_swr.ko \
-    $(KERNEL_MODULES_OUT)/audio_wcd_core.ko \
-    $(KERNEL_MODULES_OUT)/audio_swr_ctrl.ko \
-    $(KERNEL_MODULES_OUT)/audio_wsa881x.ko \
-    $(KERNEL_MODULES_OUT)/audio_platform.ko \
-    $(KERNEL_MODULES_OUT)/audio_hdmi.ko \
-    $(KERNEL_MODULES_OUT)/audio_stub.ko \
-    $(KERNEL_MODULES_OUT)/audio_wcd9xxx.ko \
-    $(KERNEL_MODULES_OUT)/audio_mbhc.ko \
-    $(KERNEL_MODULES_OUT)/audio_wcd938x.ko \
-    $(KERNEL_MODULES_OUT)/audio_wcd938x_slave.ko \
-    $(KERNEL_MODULES_OUT)/audio_wcd937x.ko \
-    $(KERNEL_MODULES_OUT)/audio_wcd937x_slave.ko \
-    $(KERNEL_MODULES_OUT)/audio_bolero_cdc.ko \
-    $(KERNEL_MODULES_OUT)/audio_wsa_macro.ko \
-    $(KERNEL_MODULES_OUT)/audio_va_macro.ko \
-    $(KERNEL_MODULES_OUT)/audio_rx_macro.ko \
-    $(KERNEL_MODULES_OUT)/audio_tx_macro.ko \
-    $(KERNEL_MODULES_OUT)/audio_native.ko \
-    $(KERNEL_MODULES_OUT)/audio_machine_atoll.ko \
-    $(KERNEL_MODULES_OUT)/audio_snd_event.ko
-endif
-
-#Audio DLKM
-AUDIO_DLKM := audio_apr.ko
-AUDIO_DLKM += audio_q6_pdr.ko
-AUDIO_DLKM += audio_q6_notifier.ko
-AUDIO_DLKM += audio_adsp_loader.ko
-AUDIO_DLKM += audio_q6.ko
-AUDIO_DLKM += audio_usf.ko
-AUDIO_DLKM += audio_pinctrl_wcd.ko
-AUDIO_DLKM += audio_swr.ko
-AUDIO_DLKM += audio_wcd_core.ko
-AUDIO_DLKM += audio_swr_ctrl.ko
-AUDIO_DLKM += audio_wsa881x.ko
-AUDIO_DLKM += audio_platform.ko
-AUDIO_DLKM += audio_hdmi.ko
-AUDIO_DLKM += audio_stub.ko
-AUDIO_DLKM += audio_wcd9xxx.ko
-AUDIO_DLKM += audio_mbhc.ko
-AUDIO_DLKM += audio_native.ko
-AUDIO_DLKM += audio_wcd938x.ko
-AUDIO_DLKM += audio_wcd938x_slave.ko
-AUDIO_DLKM += audio_wcd937x.ko
-AUDIO_DLKM += audio_wcd937x_slave.ko
-AUDIO_DLKM += audio_bolero_cdc.ko
-AUDIO_DLKM += audio_wsa_macro.ko
-AUDIO_DLKM += audio_va_macro.ko
-AUDIO_DLKM += audio_rx_macro.ko
-AUDIO_DLKM += audio_tx_macro.ko
-AUDIO_DLKM += audio_machine_atoll.ko
-AUDIO_DLKM += audio_snd_event.ko
-
-PRODUCT_PACKAGES += $(AUDIO_DLKM)
+BOARD_SUPPORTS_OPENSOURCE_STHAL := true
 
 #Audio Specific device overlays
 DEVICE_PACKAGE_OVERLAYS += vendor/qcom/opensource/audio-hal/primary-hal/configs/common/overlay
@@ -167,6 +88,8 @@
     vendor/qcom/opensource/audio-hal/primary-hal/configs/atoll/mixer_paths_wcd9375.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_wcd9375.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/atoll/mixer_paths_qrd.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_qrd.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/atoll/mixer_paths_wcd9375qrd.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_wcd9375qrd.xml \
+    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml \
+    frameworks/native/data/etc/android.hardware.audio.low_latency.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.low_latency.xml
 
 #XML Audio configuration files
 ifneq ($(TARGET_USES_AOSP_FOR_AUDIO), true)
@@ -197,19 +120,6 @@
 persist.vendor.audio.fluence.voicerec=false\
 persist.vendor.audio.fluence.speaker=true
 
-#
-#snapdragon value add features
-#
-PRODUCT_PROPERTY_OVERRIDES += \
-ro.qc.sdk.audio.ssr=false
-
-##fluencetype can be "fluence" or "fluencepro" or "none"
-PRODUCT_PROPERTY_OVERRIDES += \
-ro.qc.sdk.audio.fluencetype=none\
-persist.audio.fluence.voicecall=true\
-persist.audio.fluence.voicerec=false\
-persist.audio.fluence.speaker=true
-
 ##speaker protection v3 switch and ADSP AFE API version
 PRODUCT_PROPERTY_OVERRIDES += \
 persist.vendor.audio.spv3.enable=true\
diff --git a/configs/atoll/audio_policy_configuration.xml b/configs/atoll/audio_policy_configuration.xml
index e96660a..bcf3e4b 100644
--- a/configs/atoll/audio_policy_configuration.xml
+++ b/configs/atoll/audio_policy_configuration.xml
@@ -176,6 +176,11 @@
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK"/>
                 </mixPort>
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
                 <mixPort name="surround_sound" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
@@ -266,17 +271,20 @@
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT A2DP Out" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP" role="sink"
-                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC">
+                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE AUDIO_FORMAT_APTX_TW
+SP">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT A2DP Headphones" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES" role="sink"
-                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC">
+                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE AUDIO_FORMAT_APTX_TW
+SP">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT A2DP Speaker" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER" role="sink"
-                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC">
+                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE AUDIO_FORMAT_APTX_TW
+SP">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
@@ -358,6 +366,8 @@
                        sources="Telephony Rx"/>
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="surround_sound"
                        sources="Built-In Mic,Built-In Back Mic"/>
                 <route type="mix" sink="usb_surround_sound"
diff --git a/configs/kona/audio_policy_configuration.xml b/configs/kona/audio_policy_configuration.xml
index 8bb3328..1e4e338 100644
--- a/configs/kona/audio_policy_configuration.xml
+++ b/configs/kona/audio_policy_configuration.xml
@@ -173,6 +173,11 @@
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK"/>
                 </mixPort>
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
                 <mixPort name="usb_surround_sound" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,88200,96000,176400,192000"
@@ -350,6 +355,8 @@
                        sources="Telephony Rx"/>
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="usb_surround_sound"
                        sources="USB Device In,USB Headset In"/>
                 <route type="mix" sink="record_24"
diff --git a/configs/kona/kona.mk b/configs/kona/kona.mk
index a8991fc..33a678f 100644
--- a/configs/kona/kona.mk
+++ b/configs/kona/kona.mk
@@ -187,7 +187,8 @@
     vendor/qcom/opensource/audio-hal/primary-hal/configs/kona/audio_configs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/kona/audio_configs_stock.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs_stock.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/kona/audio_tuning_mixer.txt:$(TARGET_COPY_OUT_VENDOR)/etc/audio_tuning_mixer.txt \
-    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml
+    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml \
+    frameworks/native/data/etc/android.hardware.audio.low_latency.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.low_latency.xml
 
 #XML Audio configuration files
 ifneq ($(TARGET_USES_AOSP_FOR_AUDIO), true)
@@ -300,7 +301,7 @@
 
 #enable pbe effects
 PRODUCT_PROPERTY_OVERRIDES += \
-vendor.audio.safx.pbe.enabled=true
+vendor.audio.safx.pbe.enabled=false
 
 #parser input buffer size(256kb) in byte stream mode
 PRODUCT_PROPERTY_OVERRIDES += \
@@ -400,7 +401,6 @@
 vendor.audio.feature.a2dp_offload.enable=true \
 vendor.audio.feature.afe_proxy.enable=true \
 vendor.audio.feature.anc_headset.enable=true \
-vendor.audio.feature.audio_sphere.enable=true \
 vendor.audio.feature.battery_listener.enable=true \
 vendor.audio.feature.compr_cap.enable=false \
 vendor.audio.feature.compress_in.enable=true \
diff --git a/configs/lito/audio_effects.xml b/configs/lito/audio_effects.xml
index b6e318e..add0925 100644
--- a/configs/lito/audio_effects.xml
+++ b/configs/lito/audio_effects.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--- Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.            -->
+<!--- Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.       -->
 <!---                                                                           -->
 <!--- Redistribution and use in source and binary forms, with or without        -->
 <!--- modification, are permitted provided that the following conditions are    -->
@@ -30,9 +30,6 @@
     <libraries>
         <library name="bundle" path="libbundlewrapper.so"/>
         <library name="reverb" path="libreverbwrapper.so"/>
-        <library name="qcbassboost" path="libqcbassboost.so"/>
-        <library name="qcvirt" path="libqcvirt.so"/>
-        <library name="qcreverb" path="libqcreverb.so"/>
         <library name="visualizer_sw" path="libvisualizer.so"/>
         <library name="visualizer_hw" path="libqcomvisualizer.so"/>
         <library name="downmix" path="libdownmix.so"/>
@@ -47,11 +44,11 @@
     </libraries>
     <effects>
         <effectProxy name="bassboost" library="proxy" uuid="14804144-a5ee-4d24-aa88-0002a5d5c51b">
-            <libsw library="qcbassboost" uuid="23aca180-44bd-11e2-bcfd-0800200c9a66"/>
+            <libsw library="bundle" uuid="8631f300-72e2-11df-b57e-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="2c4a8c24-1581-487f-94f6-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="virtualizer" library="proxy" uuid="d3467faa-acc7-4d34-acaf-0002a5d5c51b">
-            <libsw library="qcvirt" uuid="e6c98a16-22a3-11e2-b87b-f23c91aec05e"/>
+            <libsw library="bundle" uuid="1d4033c0-8557-11df-9f2d-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="509a4498-561a-4bea-b3b1-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="equalizer" library="proxy" uuid="c8e70ecd-48ca-456e-8a4f-0002a5d5c51b">
@@ -60,19 +57,19 @@
         </effectProxy>
         <effect name="volume" library="bundle" uuid="119341a0-8469-11df-81f9-0002a5d5c51b"/>
         <effectProxy name="reverb_env_aux" library="proxy" uuid="48404ac9-d202-4ccc-bf84-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="a8c1e5f3-293d-43cd-95ec-d5e26c02e217"/>
+            <libsw library="reverb" uuid="4a387fc0-8ab3-11df-8bad-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="79a18026-18fd-4185-8233-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="reverb_env_ins" library="proxy" uuid="b707403a-a1c1-4291-9573-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="791fff8b-8129-4655-83a4-59bc61034c3a"/>
+            <libsw library="reverb" uuid="c7a511a0-a3bb-11df-860e-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="eb64ea04-973b-43d2-8f5e-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="reverb_pre_aux" library="proxy" uuid="1b78f587-6d1c-422e-8b84-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="53ef1db5-c0c0-445b-b060-e34d20ebb70a"/>
+            <libsw library="reverb" uuid="f29a1400-a3bb-11df-8ddc-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="6987be09-b142-4b41-9056-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="reverb_pre_ins" library="proxy" uuid="f3e178d2-ebcb-408e-8357-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="b08a0e38-22a5-11e2-b87b-f23c91aec05e"/>
+            <libsw library="reverb" uuid="172cdf00-a3bc-11df-a72f-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="aa2bebf6-47cf-4613-9bca-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="visualizer" library="proxy" uuid="1d0a1a53-7d5d-48f2-8e71-27fbd10d842c">
diff --git a/configs/lito/audio_policy_configuration.xml b/configs/lito/audio_policy_configuration.xml
index e8990fb..b719ff0 100644
--- a/configs/lito/audio_policy_configuration.xml
+++ b/configs/lito/audio_policy_configuration.xml
@@ -173,6 +173,11 @@
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK"/>
                 </mixPort>
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
                 <mixPort name="surround_sound" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
@@ -263,17 +268,20 @@
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT A2DP Out" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP" role="sink"
-                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE">
+                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE AUDIO_FORMAT_APTX_TW
+SP">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT A2DP Headphones" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES" role="sink"
-                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE">
+                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE AUDIO_FORMAT_APTX_TW
+SP">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT A2DP Speaker" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER" role="sink"
-                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE">
+                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE AUDIO_FORMAT_APTX_TW
+SP">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
@@ -355,6 +363,8 @@
                        sources="Telephony Rx"/>
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="surround_sound"
                        sources="Built-In Mic,Built-In Back Mic"/>
                 <route type="mix" sink="usb_surround_sound"
diff --git a/configs/lito/lito.mk b/configs/lito/lito.mk
index 27c23bc..00876db 100644
--- a/configs/lito/lito.mk
+++ b/configs/lito/lito.mk
@@ -81,6 +81,8 @@
 AUDIO_FEATURE_ENABLED_BATTERY_LISTENER := true
 ##AUDIO_FEATURE_FLAGS
 
+BOARD_SUPPORTS_OPENSOURCE_STHAL := true
+
 AUDIO_HARDWARE := audio.a2dp.default
 AUDIO_HARDWARE += audio.usb.default
 AUDIO_HARDWARE += audio.r_submix.default
@@ -177,7 +179,8 @@
     vendor/qcom/opensource/audio-hal/primary-hal/configs/lito/mixer_paths_qrd.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_qrd.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/lito/audio_configs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/lito/audio_configs_stock.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs_stock.xml \
-    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml
+    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml \
+    frameworks/native/data/etc/android.hardware.audio.low_latency.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.low_latency.xml
 
 #XML Audio configuration files
 ifneq ($(TARGET_USES_AOSP_FOR_AUDIO), true)
@@ -282,7 +285,7 @@
 
 #enable pbe effects
 PRODUCT_PROPERTY_OVERRIDES += \
-vendor.audio.safx.pbe.enabled=true
+vendor.audio.safx.pbe.enabled=false
 
 #parser input buffer size(256kb) in byte stream mode
 PRODUCT_PROPERTY_OVERRIDES += \
@@ -382,7 +385,6 @@
 vendor.audio.feature.a2dp_offload.enable=true \
 vendor.audio.feature.afe_proxy.enable=true \
 vendor.audio.feature.anc_headset.enable=true \
-vendor.audio.feature.audio_sphere.enable=true \
 vendor.audio.feature.battery_listener.enable=true \
 vendor.audio.feature.compr_cap.enable=false \
 vendor.audio.feature.compress_in.enable=true \
diff --git a/configs/lito/mixer_paths_qrd.xml b/configs/lito/mixer_paths_qrd.xml
index 0d8585b..b246c5a 100644
--- a/configs/lito/mixer_paths_qrd.xml
+++ b/configs/lito/mixer_paths_qrd.xml
@@ -2284,7 +2284,7 @@
     </path>
 
     <path name="speaker-protected">
-        <ctl name="WSA_AIF_VI Mixer WSA_SPKR_VI_1" value="1" />
+        <ctl name="WSA_AIF_VI Mixer WSA_SPKR_VI_2" value="1" />
         <ctl name="WSA_CDC_DMA_0 TX Format" value="PACKED_16B" />
         <path name="speaker" />
         <ctl name="VI_FEED_TX Channels" value="One" />
@@ -2292,7 +2292,7 @@
     </path>
 
     <path name="voice-speaker-protected">
-        <ctl name="WSA_AIF_VI Mixer WSA_SPKR_VI_1" value="1" />
+        <ctl name="WSA_AIF_VI Mixer WSA_SPKR_VI_2" value="1" />
         <ctl name="WSA_CDC_DMA_0 TX Format" value="PACKED_16B" />
         <path name="speaker-mono" />
         <ctl name="VI_FEED_TX Channels" value="One" />
diff --git a/configs/msm8937/msm8937.mk b/configs/msm8937/msm8937.mk
index 72fa6f3..a41740f 100644
--- a/configs/msm8937/msm8937.mk
+++ b/configs/msm8937/msm8937.mk
@@ -199,10 +199,6 @@
 vendor.audio.use.sw.alac.decoder=true\
 vendor.audio.use.sw.ape.decoder=true
 
-#property for AudioSphere Post processing
-PRODUCT_PROPERTY_OVERRIDES += \
-vendor.audio.pp.asphere.enabled=false
-
 #Audio voice concurrency related flags
 PRODUCT_PROPERTY_OVERRIDES += \
 vendor.voice.playback.conc.disabled=true\
@@ -245,7 +241,6 @@
 vendor.audio.feature.a2dp_offload.enable=false \
 vendor.audio.feature.afe_proxy.enable=true \
 vendor.audio.feature.anc_headset.enable=true \
-vendor.audio.feature.audio_sphere.enable=true \
 vendor.audio.feature.battery_listener.enable=false \
 vendor.audio.feature.compr_cap.enable=false \
 vendor.audio.feature.compress_in.enable=false \
diff --git a/configs/msm8953/msm8953.mk b/configs/msm8953/msm8953.mk
index 25d42cf..0b0e6be 100644
--- a/configs/msm8953/msm8953.mk
+++ b/configs/msm8953/msm8953.mk
@@ -212,10 +212,6 @@
 vendor.audio.use.sw.alac.decoder=true\
 vendor.audio.use.sw.ape.decoder=true
 
-#property for AudioSphere Post processing
-PRODUCT_PROPERTY_OVERRIDES += \
-vendor.audio.pp.asphere.enabled=false
-
 #Audio voice concurrency related flags
 PRODUCT_PROPERTY_OVERRIDES += \
 vendor.voice.playback.conc.disabled=true\
diff --git a/configs/msm8998/audio_policy_configuration.xml b/configs/msm8998/audio_policy_configuration.xml
index 505a205..5f861d9 100644
--- a/configs/msm8998/audio_policy_configuration.xml
+++ b/configs/msm8998/audio_policy_configuration.xml
@@ -167,6 +167,11 @@
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK"/>
                 </mixPort>
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
                 <mixPort name="surround_sound" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
@@ -346,6 +351,8 @@
                        sources="Telephony Rx"/>
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="surround_sound"
                        sources="Built-In Mic,Built-In Back Mic"/>
                 <route type="mix" sink="record_24"
diff --git a/configs/msm8998/msm8998.mk b/configs/msm8998/msm8998.mk
index bee32c8..7004379 100644
--- a/configs/msm8998/msm8998.mk
+++ b/configs/msm8998/msm8998.mk
@@ -99,7 +99,9 @@
     vendor/qcom/opensource/audio-hal/primary-hal/configs/msm8998/sound_trigger_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_platform_info.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/msm8998/graphite_ipc_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/graphite_ipc_platform_info.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/msm8998/audio_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_platform_info.xml \
-    vendor/qcom/opensource/audio-hal/primary-hal/configs/msm8998/audio_configs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs.xml
+    vendor/qcom/opensource/audio-hal/primary-hal/configs/msm8998/audio_configs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs.xml \
+    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml \
+    frameworks/native/data/etc/android.hardware.audio.low_latency.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.low_latency.xml
 
 #XML Audio configuration files
 ifeq ($(USE_XML_AUDIO_POLICY_CONF), 1)
@@ -191,7 +193,7 @@
 
 #enable pbe effects
 PRODUCT_PROPERTY_OVERRIDES += \
-vendor.audio.safx.pbe.enabled=true
+vendor.audio.safx.pbe.enabled=false
 
 #parser input buffer size(256kb) in byte stream mode
 PRODUCT_PROPERTY_OVERRIDES += \
@@ -255,7 +257,6 @@
 vendor.audio.feature.a2dp_offload.enable=true \
 vendor.audio.feature.afe_proxy.enable=true \
 vendor.audio.feature.anc_headset.enable=true \
-vendor.audio.feature.audio_sphere.enable=true \
 vendor.audio.feature.battery_listener.enable=false \
 vendor.audio.feature.compr_cap.enable=false \
 vendor.audio.feature.compress_in.enable=false \
diff --git a/configs/msmnile/audio_policy_configuration.xml b/configs/msmnile/audio_policy_configuration.xml
index 5c05206..92430bd 100644
--- a/configs/msmnile/audio_policy_configuration.xml
+++ b/configs/msmnile/audio_policy_configuration.xml
@@ -173,6 +173,11 @@
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK"/>
                 </mixPort>
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
                 <mixPort name="usb_surround_sound" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,88200,96000,176400,192000"
@@ -350,6 +355,8 @@
                        sources="Telephony Rx"/>
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="usb_surround_sound"
                        sources="USB Device In,USB Headset In"/>
                 <route type="mix" sink="record_24"
diff --git a/configs/msmnile/mixer_paths_tavil.xml b/configs/msmnile/mixer_paths_tavil.xml
index fb315bf..cb9d2af 100644
--- a/configs/msmnile/mixer_paths_tavil.xml
+++ b/configs/msmnile/mixer_paths_tavil.xml
@@ -3025,7 +3025,12 @@
     </path>
 
     <path name="voice-tty-hco-headset-mic">
-        <path name="voice-tty-full-headset-mic" />
+        <ctl name="AIF1_CAP Mixer SLIM TX0" value="1"/>
+        <ctl name="SLIM_0_TX Channels" value="One" />
+        <ctl name="CDC_IF TX0 MUX" value="DEC0" />
+        <ctl name="ADC MUX0" value="AMIC" />
+        <ctl name="AMIC MUX0" value="ADC2" />
+        <ctl name="IIR0 INP0 MUX" value="DEC0" />
     </path>
 
     <path name="voice-tty-vco-handset-mic">
diff --git a/configs/msmnile/msmnile.mk b/configs/msmnile/msmnile.mk
index ae79cd6..3315b11 100644
--- a/configs/msmnile/msmnile.mk
+++ b/configs/msmnile/msmnile.mk
@@ -176,7 +176,8 @@
     vendor/qcom/opensource/audio-hal/primary-hal/configs/msmnile/sound_trigger_mixer_paths.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_mixer_paths.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/msmnile/audio_configs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/msmnile/audio_configs_stock.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs_stock.xml \
-    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml
+    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml \
+    frameworks/native/data/etc/android.hardware.audio.low_latency.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.low_latency.xml
 
 #XML Audio configuration files
 ifneq ($(TARGET_USES_AOSP_FOR_AUDIO), true)
@@ -280,7 +281,7 @@
 
 #enable pbe effects
 PRODUCT_PROPERTY_OVERRIDES += \
-vendor.audio.safx.pbe.enabled=true
+vendor.audio.safx.pbe.enabled=false
 
 #parser input buffer size(256kb) in byte stream mode
 PRODUCT_PROPERTY_OVERRIDES += \
@@ -379,7 +380,6 @@
 vendor.audio.feature.a2dp_offload.enable=true \
 vendor.audio.feature.afe_proxy.enable=false \
 vendor.audio.feature.anc_headset.enable=false \
-vendor.audio.feature.audio_sphere.enable=false \
 vendor.audio.feature.battery_listener.enable=false \
 vendor.audio.feature.compr_cap.enable=false \
 vendor.audio.feature.compress_in.enable=false \
@@ -424,7 +424,6 @@
 vendor.audio.feature.a2dp_offload.enable=true \
 vendor.audio.feature.afe_proxy.enable=true \
 vendor.audio.feature.anc_headset.enable=true \
-vendor.audio.feature.audio_sphere.enable=true \
 vendor.audio.feature.battery_listener.enable=true \
 vendor.audio.feature.compr_cap.enable=false \
 vendor.audio.feature.compress_in.enable=true \
diff --git a/configs/msmnile_au/audio_policy_configuration.xml b/configs/msmnile_au/audio_policy_configuration.xml
index fcba319..b00e62f 100644
--- a/configs/msmnile_au/audio_policy_configuration.xml
+++ b/configs/msmnile_au/audio_policy_configuration.xml
@@ -168,6 +168,12 @@
                     <profile name="" format="AUDIO_FORMAT_AAC_ADTS_HE_V2"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000"
                              channelMasks="AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_MONO"/>
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000,128000,176400,192000"
+                            channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_2POINT1,AUDIO_CHANNEL_OUT_QUAD,AUDIO_CHANNEL_OUT_PENTA,AUDIO_CHANNEL_OUT_5POINT1,AUDIO_CHANNEL_OUT_6POINT1,AUDIO_CHANNEL_OUT_7POINT1"/>
+                    <profile name="" format="AUDIO_FORMAT_PCM_24_BIT_PACKED"
+                            samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000,128000,176400,192000"
+                            channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_2POINT1,AUDIO_CHANNEL_OUT_QUAD,AUDIO_CHANNEL_OUT_PENTA,AUDIO_CHANNEL_OUT_5POINT1,AUDIO_CHANNEL_OUT_6POINT1,AUDIO_CHANNEL_OUT_7POINT1"/>
                 </mixPort>
                 <mixPort name="dsd_compress_passthrough" role="source"
                          flags="AUDIO_OUTPUT_FLAG_DIRECT|AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD|AUDIO_OUTPUT_FLAG_NON_BLOCKING">
diff --git a/configs/msmnile_au/mixer_paths_adp.xml b/configs/msmnile_au/mixer_paths_adp.xml
index 7978e97..63012be 100644
--- a/configs/msmnile_au/mixer_paths_adp.xml
+++ b/configs/msmnile_au/mixer_paths_adp.xml
@@ -329,6 +329,8 @@
     <path name="deep-buffer-playback">
         <ctl name="TERT_TDM_RX_0 Channels" value="Six" />
         <ctl name="TERT_TDM_RX_0 Audio Mixer MultiMedia1" value="1" />
+        <ctl name="QUAT_TDM_RX_0 Channels" value="Six" />
+        <ctl name="QUAT_TDM_RX_0 Audio Mixer MultiMedia1" value="1" />
     </path>
 
     <path name="deep-buffer-playback speaker-protected">
@@ -525,6 +527,8 @@
     <path name="compress-offload-playback">
         <ctl name="TERT_TDM_RX_0 Channels" value="Six" />
         <ctl name="TERT_TDM_RX_0 Audio Mixer MultiMedia4" value="1" />
+        <ctl name="QUAT_TDM_RX_0 Channels" value="Six" />
+        <ctl name="QUAT_TDM_RX_0 Audio Mixer MultiMedia4" value="1" />
     </path>
 
     <path name="compress-offload-playback speaker-protected">
@@ -600,6 +604,8 @@
     <path name="compress-offload-playback2">
         <ctl name="TERT_TDM_RX_0 Channels" value="Six" />
         <ctl name="TERT_TDM_RX_0 Audio Mixer MultiMedia7" value="1" />
+        <ctl name="QUAT_TDM_RX_0 Channels" value="Six" />
+        <ctl name="QUAT_TDM_RX_0 Audio Mixer MultiMedia7" value="1" />
     </path>
 
     <path name="compress-offload-playback2 display-port">
diff --git a/configs/msmnile_au/msmnile_au.mk b/configs/msmnile_au/msmnile_au.mk
index 7dd0a3e..394dfea 100644
--- a/configs/msmnile_au/msmnile_au.mk
+++ b/configs/msmnile_au/msmnile_au.mk
@@ -195,6 +195,14 @@
 PRODUCT_PROPERTY_OVERRIDES += \
 vendor.audio.parser.ip.buffer.size=262144
 
+#Enable 16 bit PCM offload by default
+PRODUCT_PROPERTY_OVERRIDES += \
+audio.offload.pcm.16bit.enable=true
+
+#Enable 24 bit PCM offload by default
+PRODUCT_PROPERTY_OVERRIDES += \
+audio.offload.pcm.24bit.enable=true
+
 #flac sw decoder 24 bit decode capability
 PRODUCT_PROPERTY_OVERRIDES += \
 vendor.audio.flac.sw.decoder.24bit=true
@@ -286,3 +294,16 @@
 PRODUCT_PACKAGES += \
     vendor.qti.hardware.automotive.audiocontrol@1.0-service \
     android.hardware.automotive.audiocontrol@1.0
+
+ifeq ($(ENABLE_HYP),true)
+PRODUCT_PROPERTY_OVERRIDES += \
+persist.vendor.audio.calfile0=/vendor/etc/acdbdata/adsp_avs_config.acdb\
+persist.vendor.audio.calfile1=/vendor/etc/acdbdata/ADP/Bluetooth_cal.acdb\
+persist.vendor.audio.calfile2=/vendor/etc/acdbdata/ADP/Codec_cal.acdb\
+persist.vendor.audio.calfile3=/vendor/etc/acdbdata/ADP/General_cal.acdb\
+persist.vendor.audio.calfile4=/vendor/etc/acdbdata/ADP/Global_cal.acdb\
+persist.vendor.audio.calfile5=/vendor/etc/acdbdata/ADP/Handset_cal.acdb\
+persist.vendor.audio.calfile6=/vendor/etc/acdbdata/ADP/Hdmi_cal.acdb\
+persist.vendor.audio.calfile7=/vendor/etc/acdbdata/ADP/Headset_cal.acdb\
+persist.vendor.audio.calfile8=/vendor/etc/acdbdata/ADP/Speaker_cal.acdb
+endif
diff --git a/configs/msmnile_au/overlay/frameworks/base/core/res/res/values/config.xml b/configs/msmnile_au/overlay/frameworks/base/core/res/res/values/config.xml
index 01e279d..0274f9e 100644
--- a/configs/msmnile_au/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/configs/msmnile_au/overlay/frameworks/base/core/res/res/values/config.xml
@@ -23,7 +23,7 @@
 
 <resources>
      <!-- Car uses hardware amplifier for volume. -->
-    <bool name="config_useFixedVolume">true</bool>
+    <bool name="config_useFixedVolume">false</bool>
     <!--
       Handle volume keys directly in CarAudioService without passing them to the foreground app
     -->
diff --git a/configs/msmsteppe/audio_effects.xml b/configs/msmsteppe/audio_effects.xml
index 7c0cd22..add0925 100644
--- a/configs/msmsteppe/audio_effects.xml
+++ b/configs/msmsteppe/audio_effects.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--- Copyright (c) 2018, The Linux Foundation. All rights reserved.            -->
+<!--- Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.       -->
 <!---                                                                           -->
 <!--- Redistribution and use in source and binary forms, with or without        -->
 <!--- modification, are permitted provided that the following conditions are    -->
@@ -30,9 +30,6 @@
     <libraries>
         <library name="bundle" path="libbundlewrapper.so"/>
         <library name="reverb" path="libreverbwrapper.so"/>
-        <library name="qcbassboost" path="libqcbassboost.so"/>
-        <library name="qcvirt" path="libqcvirt.so"/>
-        <library name="qcreverb" path="libqcreverb.so"/>
         <library name="visualizer_sw" path="libvisualizer.so"/>
         <library name="visualizer_hw" path="libqcomvisualizer.so"/>
         <library name="downmix" path="libdownmix.so"/>
@@ -47,11 +44,11 @@
     </libraries>
     <effects>
         <effectProxy name="bassboost" library="proxy" uuid="14804144-a5ee-4d24-aa88-0002a5d5c51b">
-            <libsw library="qcbassboost" uuid="23aca180-44bd-11e2-bcfd-0800200c9a66"/>
+            <libsw library="bundle" uuid="8631f300-72e2-11df-b57e-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="2c4a8c24-1581-487f-94f6-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="virtualizer" library="proxy" uuid="d3467faa-acc7-4d34-acaf-0002a5d5c51b">
-            <libsw library="qcvirt" uuid="e6c98a16-22a3-11e2-b87b-f23c91aec05e"/>
+            <libsw library="bundle" uuid="1d4033c0-8557-11df-9f2d-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="509a4498-561a-4bea-b3b1-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="equalizer" library="proxy" uuid="c8e70ecd-48ca-456e-8a4f-0002a5d5c51b">
@@ -60,19 +57,19 @@
         </effectProxy>
         <effect name="volume" library="bundle" uuid="119341a0-8469-11df-81f9-0002a5d5c51b"/>
         <effectProxy name="reverb_env_aux" library="proxy" uuid="48404ac9-d202-4ccc-bf84-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="a8c1e5f3-293d-43cd-95ec-d5e26c02e217"/>
+            <libsw library="reverb" uuid="4a387fc0-8ab3-11df-8bad-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="79a18026-18fd-4185-8233-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="reverb_env_ins" library="proxy" uuid="b707403a-a1c1-4291-9573-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="791fff8b-8129-4655-83a4-59bc61034c3a"/>
+            <libsw library="reverb" uuid="c7a511a0-a3bb-11df-860e-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="eb64ea04-973b-43d2-8f5e-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="reverb_pre_aux" library="proxy" uuid="1b78f587-6d1c-422e-8b84-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="53ef1db5-c0c0-445b-b060-e34d20ebb70a"/>
+            <libsw library="reverb" uuid="f29a1400-a3bb-11df-8ddc-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="6987be09-b142-4b41-9056-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="reverb_pre_ins" library="proxy" uuid="f3e178d2-ebcb-408e-8357-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="b08a0e38-22a5-11e2-b87b-f23c91aec05e"/>
+            <libsw library="reverb" uuid="172cdf00-a3bc-11df-a72f-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="aa2bebf6-47cf-4613-9bca-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="visualizer" library="proxy" uuid="1d0a1a53-7d5d-48f2-8e71-27fbd10d842c">
diff --git a/configs/msmsteppe/audio_policy_configuration.xml b/configs/msmsteppe/audio_policy_configuration.xml
index b092687..99f03bf 100644
--- a/configs/msmsteppe/audio_policy_configuration.xml
+++ b/configs/msmsteppe/audio_policy_configuration.xml
@@ -167,6 +167,11 @@
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK"/>
                 </mixPort>
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
                 <mixPort name="incall_music_uplink" role="source"
                         flags="AUDIO_OUTPUT_FLAG_INCALL_MUSIC">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
@@ -350,6 +355,8 @@
                        sources="Telephony Rx"/>
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="usb_surround_sound"
                        sources="USB Device In,USB Headset In"/>
                 <route type="mix" sink="record_24"
diff --git a/configs/msmsteppe/mixer_paths_qrd.xml b/configs/msmsteppe/mixer_paths_qrd.xml
index db33f96..5665322 100644
--- a/configs/msmsteppe/mixer_paths_qrd.xml
+++ b/configs/msmsteppe/mixer_paths_qrd.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<!-- Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.    -->
+<!-- Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.    -->
 <!--                                                                        -->
 <!-- Redistribution and use in source and binary forms, with or without     -->
 <!-- modification, are permitted provided that the following conditions are -->
@@ -2196,7 +2196,15 @@
     </path>
 
     <path name="voice-headphones">
-        <path name="headphones" />
+        <ctl name="RX_MACRO RX0 MUX" value="AIF1_PB" />
+        <ctl name="RX_MACRO RX1 MUX" value="AIF1_PB" />
+        <ctl name="RX_CDC_DMA_RX_0 Channels" value="Two" />
+        <ctl name="RX INT0_1 MIX1 INP0" value="RX0" />
+        <ctl name="RX INT1_1 MIX1 INP0" value="RX1" />
+        <ctl name="RX INT0 DEM MUX" value="CLSH_DSM_OUT" />
+        <ctl name="RX INT1 DEM MUX" value="CLSH_DSM_OUT" />
+        <ctl name="HPHL_RDAC Switch" value="1" />
+        <ctl name="HPHR_RDAC Switch" value="1" />
     </path>
 
     <path name="voice-line">
diff --git a/configs/msmsteppe/msmsteppe.mk b/configs/msmsteppe/msmsteppe.mk
index 9f05f07..ec546ac 100644
--- a/configs/msmsteppe/msmsteppe.mk
+++ b/configs/msmsteppe/msmsteppe.mk
@@ -176,6 +176,8 @@
     vendor/qcom/opensource/audio-hal/primary-hal/configs/msmsteppe/mixer_paths_qrd.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_qrd.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/msmsteppe/mixer_paths_wcd9375qrd.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_wcd9375qrd.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/msmsteppe/mixer_paths_tavil.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_tavil.xml \
+    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml \
+    frameworks/native/data/etc/android.hardware.audio.low_latency.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.low_latency.xml
 
 #XML Audio configuration files
 ifneq ($(TARGET_USES_AOSP_FOR_AUDIO), true)
@@ -287,7 +289,7 @@
 
 #enable pbe effects
 PRODUCT_PROPERTY_OVERRIDES += \
-vendor.audio.safx.pbe.enabled=true
+vendor.audio.safx.pbe.enabled=false
 
 #parser input buffer size(256kb) in byte stream mode
 PRODUCT_PROPERTY_OVERRIDES += \
@@ -360,7 +362,6 @@
 vendor.audio.feature.a2dp_offload.enable=true \
 vendor.audio.feature.afe_proxy.enable=true \
 vendor.audio.feature.anc_headset.enable=true \
-vendor.audio.feature.audio_sphere.enable=true \
 vendor.audio.feature.battery_listener.enable=false \
 vendor.audio.feature.compr_cap.enable=false \
 vendor.audio.feature.compress_in.enable=false \
@@ -400,6 +401,10 @@
 vendor.audio.feature.audiozoom.enable=false \
 vendor.audio.feature.snd_mon.enable=true
 
+#enable AAC frame ctl for A2DP sinks
+PRODUCT_PROPERTY_OVERRIDES += \
+persist.vendor.bt.aac_frm_ctl.enabled=true
+
 # for HIDL related packages
 PRODUCT_PACKAGES += \
     android.hardware.audio@2.0-service \
@@ -413,6 +418,15 @@
     android.hardware.audio.effect@4.0 \
     android.hardware.audio.effect@4.0-impl
 
+# enable audio hidl hal 5.0
+PRODUCT_PACKAGES += \
+    android.hardware.audio@5.0 \
+    android.hardware.audio.common@5.0 \
+    android.hardware.audio.common@5.0-util \
+    android.hardware.audio@5.0-impl \
+    android.hardware.audio.effect@5.0 \
+    android.hardware.audio.effect@5.0-impl
+
 PRODUCT_PACKAGES_ENG += \
     VoicePrintTest \
     VoicePrintDemo
diff --git a/configs/msmsteppe/sound_trigger_mixer_paths.xml b/configs/msmsteppe/sound_trigger_mixer_paths.xml
index a489e7f..90de0d3 100644
--- a/configs/msmsteppe/sound_trigger_mixer_paths.xml
+++ b/configs/msmsteppe/sound_trigger_mixer_paths.xml
@@ -206,11 +206,11 @@
         <ctl name="TX_DEC3 Volume" value="102" />
         <ctl name="TX DMIC MUX0" value="DMIC2" />
         <ctl name="TX_AIF1_CAP Mixer DEC1" value="1" />
-        <ctl name="TX DMIC MUX1" value="DMIC1" />
+        <ctl name="TX DMIC MUX1" value="DMIC0" />
         <ctl name="TX_AIF1_CAP Mixer DEC2" value="1" />
         <ctl name="TX DMIC MUX2" value="DMIC3" />
         <ctl name="TX_AIF1_CAP Mixer DEC3" value="1" />
-        <ctl name="TX DMIC MUX3" value="DMIC0" />
+        <ctl name="TX DMIC MUX3" value="DMIC1" />
     </path>
 
     <path name="echo-reference">
diff --git a/configs/msmsteppe/sound_trigger_mixer_paths_wcd9340.xml b/configs/msmsteppe/sound_trigger_mixer_paths_wcd9340.xml
index 55dd42f..f74c4fe 100644
--- a/configs/msmsteppe/sound_trigger_mixer_paths_wcd9340.xml
+++ b/configs/msmsteppe/sound_trigger_mixer_paths_wcd9340.xml
@@ -199,7 +199,7 @@
         <ctl name= "DMIC MUX0" value="DMIC2" />
         <ctl name= "DEC0 Volume" value="84" />
         <ctl name= "ADC MUX1" value="DMIC" />
-        <ctl name= "DMIC MUX1" value="DMIC0" />
+        <ctl name= "DMIC MUX1" value="DMIC5" />
         <ctl name= "DEC1 Volume" value="84" />
         <ctl name= "WDMA3 PORT0 MUX" value="DEC0" />
         <ctl name= "WDMA3 PORT1 MUX" value="DEC1" />
@@ -217,7 +217,7 @@
         <ctl name= "DMIC MUX1" value="DMIC0" />
         <ctl name= "DEC1 Volume" value="84" />
         <ctl name= "ADC MUX2" value="DMIC" />
-        <ctl name= "DMIC MUX2" value="DMIC1" />
+        <ctl name= "DMIC MUX2" value="DMIC5" />
         <ctl name= "DEC2 Volume" value="84" />
         <ctl name= "WDMA3 PORT0 MUX" value="DEC0" />
         <ctl name= "WDMA3 PORT1 MUX" value="DEC1" />
@@ -237,10 +237,10 @@
         <ctl name= "DMIC MUX1" value="DMIC0" />
         <ctl name= "DEC1 Volume" value="84" />
         <ctl name= "ADC MUX2" value="DMIC" />
-        <ctl name= "DMIC MUX2" value="DMIC1" />
+        <ctl name= "DMIC MUX2" value="DMIC5" />
         <ctl name= "DEC2 Volume" value="84" />
         <ctl name= "ADC MUX3" value="DMIC" />
-        <ctl name= "DMIC MUX3" value="DMIC3" />
+        <ctl name= "DMIC MUX3" value="DMIC1" />
         <ctl name= "DEC3 Volume" value="84" />
         <ctl name= "WDMA3 PORT0 MUX" value="DEC0" />
         <ctl name= "WDMA3 PORT1 MUX" value="DEC1" />
@@ -298,7 +298,7 @@
         <ctl name="AIF1_CAP Mixer SLIM TX8" value="1" />
         <ctl name="CDC_IF TX7 MUX" value="DEC7" />
         <ctl name="ADC MUX7" value="DMIC" />
-        <ctl name="DMIC MUX7" value="DMIC1" />
+        <ctl name="DMIC MUX7" value="DMIC2" />
         <ctl name="CDC_IF TX8 MUX" value="DEC8" />
         <ctl name="ADC MUX8" value="DMIC" />
         <ctl name="DMIC MUX8" value="DMIC5" />
@@ -312,13 +312,13 @@
         <ctl name="SLIM_0_TX Channels" value="Three" />
         <ctl name="CDC_IF TX5 MUX" value="DEC5" />
         <ctl name="ADC MUX5" value="DMIC" />
-        <ctl name="DMIC MUX5" value="DMIC1" />
+        <ctl name="DMIC MUX5" value="DMIC2" />
         <ctl name="CDC_IF TX6 MUX" value="DEC6" />
         <ctl name="ADC MUX6" value="DMIC" />
-        <ctl name="DMIC MUX6" value="DMIC5" />
+        <ctl name="DMIC MUX6" value="DMIC0" />
         <ctl name="CDC_IF TX7 MUX" value="DEC7" />
         <ctl name="ADC MUX7" value="DMIC" />
-        <ctl name="DMIC MUX7" value="DMIC2" />
+        <ctl name="DMIC MUX7" value="DMIC5" />
     </path>
 
     <path name="listen-ape-handset-qmic">
@@ -329,16 +329,16 @@
         <ctl name="SLIM_0_TX Channels" value="Four" />
         <ctl name="CDC_IF TX5 MUX" value="DEC5" />
         <ctl name="ADC MUX5" value="DMIC" />
-        <ctl name="DMIC MUX5" value="DMIC1" />
+        <ctl name="DMIC MUX5" value="DMIC2" />
         <ctl name="CDC_IF TX6 MUX" value="DEC6" />
         <ctl name="ADC MUX6" value="DMIC" />
-        <ctl name="DMIC MUX6" value="DMIC5" />
+        <ctl name="DMIC MUX6" value="DMIC0" />
         <ctl name="CDC_IF TX7 MUX" value="DEC7" />
         <ctl name="ADC MUX7" value="DMIC" />
-        <ctl name="DMIC MUX7" value="DMIC2" />
+        <ctl name="DMIC MUX7" value="DMIC5" />
         <ctl name="CDC_IF TX8 MUX" value="DEC8" />
         <ctl name="ADC MUX8" value="DMIC" />
-        <ctl name="DMIC MUX8" value="DMIC0" />
+        <ctl name="DMIC MUX8" value="DMIC1" />
     </path>
 
     <path name="echo-reference">
diff --git a/configs/msmsteppe/sound_trigger_platform_info.xml b/configs/msmsteppe/sound_trigger_platform_info.xml
index 413f4c6..a85a180 100644
--- a/configs/msmsteppe/sound_trigger_platform_info.xml
+++ b/configs/msmsteppe/sound_trigger_platform_info.xml
@@ -54,6 +54,8 @@
 
     </common_config>
     <acdb_ids>
+        <!--For internal codec please enable below device-->
+        <!--param DEVICE_HANDSET_MIC_APE="130" /-->
         <param DEVICE_HANDSET_MIC_APE="100" />
         <param DEVICE_HANDSET_MIC_CPE="128" />
         <param DEVICE_HANDSET_MIC_ECPP_CPE="128" />
@@ -127,6 +129,28 @@
             <param read_rsp_ids="0x00020013, 0x3, 0x00020016" />
             <param custom_config_ids="0x00012C0D, 0x3, 0x00012C20" />
         </gcs_usecase>
+        <gcs_usecase>
+            <param uid="0x7" />
+            <param acdb_devices="DEVICE_HANDSET_DMIC_CPE" />
+            <param load_sound_model_ids="0x00012C0D, 0x7, 0x00012C14" />
+            <param confidence_levels_ids="0x00012C0D, 0x7, 0x00012C28" />
+            <param detection_event_ids="0x00012C0D, 0x7, 0x00012B05" />
+            <param read_cmd_ids="0x00020013, 0x7, 0x00020015" />
+            <param read_rsp_ids="0x00020013, 0x7, 0x00020016" />
+            <param custom_config_ids="0x00012C0D, 0x7, 0x00012C20" />
+            <param det_event_type_ids="0x00012C0D, 0x7, 0x00012C2A" />
+        </gcs_usecase>
+        <gcs_usecase>
+            <param uid="0x8" />
+            <param acdb_devices="DEVICE_HANDSET_DMIC_CPE" />
+            <param load_sound_model_ids="0x00012C0D, 0x8, 0x00012C14" />
+            <param confidence_levels_ids="0x00012C0D, 0x8, 0x00012C28" />
+            <param detection_event_ids="0x00012C0D, 0x8, 0x00012B05" />
+            <param read_cmd_ids="0x00020013, 0x8, 0x00020015" />
+            <param read_rsp_ids="0x00020013, 0x8, 0x00020016" />
+            <param custom_config_ids="0x00012C0D, 0x8, 0x00012C20" />
+            <param det_event_type_ids="0x00012C0D, 0x8, 0x00012C2A" />
+        </gcs_usecase>
         <!-- Module and param ids with which the algorithm is integrated
             in non-graphite firmware (note these must come after gcs params)
             Extends flexibility to have different ids based on execution type.
diff --git a/configs/msmsteppe_au/audio_platform_info.xml b/configs/msmsteppe_au/audio_platform_info.xml
index c1326dc..e90675c 100644
--- a/configs/msmsteppe_au/audio_platform_info.xml
+++ b/configs/msmsteppe_au/audio_platform_info.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<!-- Copyright (c) 2014, 2016-2018, The Linux Foundation. All rights reserved. -->
+<!-- Copyright (c) 2014, 2016-2019, The Linux Foundation. All rights reserved. -->
 <!--                                                                        -->
 <!-- Redistribution and use in source and binary forms, with or without     -->
 <!-- modification, are permitted provided that the following conditions are -->
@@ -102,10 +102,10 @@
         <usecase name="USECASE_AUDIO_PLAYBACK_MMAP" type="out" id="28" />
         <usecase name="USECASE_AUDIO_RECORD_MMAP" type="in" id="28" />
         <usecase name="USECASE_AUDIO_RECORD" type="in" id="0" />
-        <usecase name="USECASE_AUDIO_HFP_SCO" type="in" id="29" />
-        <usecase name="USECASE_AUDIO_HFP_SCO" type="out" id="29" />
-        <usecase name="USECASE_AUDIO_HFP_SCO_WB" type="in" id="29" />
-        <usecase name="USECASE_AUDIO_HFP_SCO_WB" type="out" id="29" />
+        <usecase name="USECASE_AUDIO_HFP_SCO" type="in" id="36" />
+        <usecase name="USECASE_AUDIO_HFP_SCO" type="out" id="36" />
+        <usecase name="USECASE_AUDIO_HFP_SCO_WB" type="in" id="36" />
+        <usecase name="USECASE_AUDIO_HFP_SCO_WB" type="out" id="36" />
     </pcm_ids>
 
     <config_params>
diff --git a/configs/msmsteppe_au/audio_policy_configuration.xml b/configs/msmsteppe_au/audio_policy_configuration.xml
index fe12d35..6ab75d8 100644
--- a/configs/msmsteppe_au/audio_policy_configuration.xml
+++ b/configs/msmsteppe_au/audio_policy_configuration.xml
@@ -169,6 +169,12 @@
                     <profile name="" format="AUDIO_FORMAT_AAC_ADTS_HE_V2"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000"
                              channelMasks="AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_MONO"/>
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000,128000,176400,192000"
+                            channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_2POINT1,AUDIO_CHANNEL_OUT_QUAD,AUDIO_CHANNEL_OUT_PENTA,AUDIO_CHANNEL_OUT_5POINT1,AUDIO_CHANNEL_OUT_6POINT1,AUDIO_CHANNEL_OUT_7POINT1"/>
+                    <profile name="" format="AUDIO_FORMAT_PCM_24_BIT_PACKED"
+                            samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000,128000,176400,192000"
+                            channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_2POINT1,AUDIO_CHANNEL_OUT_QUAD,AUDIO_CHANNEL_OUT_PENTA,AUDIO_CHANNEL_OUT_5POINT1,AUDIO_CHANNEL_OUT_6POINT1,AUDIO_CHANNEL_OUT_7POINT1"/>
                 </mixPort>
                 <mixPort name="dsd_compress_passthrough" role="source"
                          flags="AUDIO_OUTPUT_FLAG_DIRECT|AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD|AUDIO_OUTPUT_FLAG_NON_BLOCKING">
diff --git a/configs/msmsteppe_au/mixer_paths_adp.xml b/configs/msmsteppe_au/mixer_paths_adp.xml
index 3d87705..75ce9c5 100644
--- a/configs/msmsteppe_au/mixer_paths_adp.xml
+++ b/configs/msmsteppe_au/mixer_paths_adp.xml
@@ -755,6 +755,11 @@
         <path name="compress-offload-playback4" />
     </path>
 
+    <path name="voice-call">
+        <!-- Added AFE loopback ctrl path for CS-Voice call-->
+        <ctl name="TERT_TDM_RX_0 Port Mixer AUX_PCM_UL_TX" value="1" />
+        <ctl name="AUX_PCM_RX Port Mixer TERT_TDM_TX_0" value="1" />
+    </path>
 
     <path name="compress-offload-playback4 afe-proxy">
         <ctl name="AFE_PCM_RX Audio Mixer MultiMedia11" value="1" />
diff --git a/configs/msmsteppe_au/msmsteppe_au.mk b/configs/msmsteppe_au/msmsteppe_au.mk
index eca4346..d63bc69 100644
--- a/configs/msmsteppe_au/msmsteppe_au.mk
+++ b/configs/msmsteppe_au/msmsteppe_au.mk
@@ -195,6 +195,14 @@
 PRODUCT_PROPERTY_OVERRIDES += \
 vendor.audio.parser.ip.buffer.size=262144
 
+#Enable 16 bit PCM offload by default
+PRODUCT_PROPERTY_OVERRIDES += \
+audio.offload.pcm.16bit.enable=true
+
+#Enable 24 bit PCM offload by default
+PRODUCT_PROPERTY_OVERRIDES += \
+audio.offload.pcm.24bit.enable=true
+
 #flac sw decoder 24 bit decode capability
 PRODUCT_PROPERTY_OVERRIDES += \
 vendor.audio.flac.sw.decoder.24bit=true
diff --git a/configs/msmsteppe_au/overlay/frameworks/base/core/res/res/values/config.xml b/configs/msmsteppe_au/overlay/frameworks/base/core/res/res/values/config.xml
index 01e279d..0274f9e 100644
--- a/configs/msmsteppe_au/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/configs/msmsteppe_au/overlay/frameworks/base/core/res/res/values/config.xml
@@ -23,7 +23,7 @@
 
 <resources>
      <!-- Car uses hardware amplifier for volume. -->
-    <bool name="config_useFixedVolume">true</bool>
+    <bool name="config_useFixedVolume">false</bool>
     <!--
       Handle volume keys directly in CarAudioService without passing them to the foreground app
     -->
diff --git a/configs/qssi/qssi.mk b/configs/qssi/qssi.mk
index 39569fb..653c177 100644
--- a/configs/qssi/qssi.mk
+++ b/configs/qssi/qssi.mk
@@ -106,6 +106,10 @@
 PRODUCT_PRODUCT_PROPERTIES += \
 audio.sys.noisy.broadcast.delay=600
 
+#offload minimum duration set to 30sec
+PRODUCT_PRODUCT_PROPERTIES += \
+audio.offload.min.duration.secs=30
+
 #offload pausetime out duration to 3 secs to inline with other outputs
 PRODUCT_PRODUCT_PROPERTIES += \
 audio.sys.offload.pstimeout.secs=3
diff --git a/configs/sdm660/audio_policy_configuration.xml b/configs/sdm660/audio_policy_configuration.xml
index 662764f..e1a0181 100644
--- a/configs/sdm660/audio_policy_configuration.xml
+++ b/configs/sdm660/audio_policy_configuration.xml
@@ -163,6 +163,11 @@
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK"/>
                 </mixPort>
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
                 <mixPort name="surround_sound" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
@@ -337,6 +342,8 @@
                        sources="Telephony Rx"/>
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="surround_sound"
                        sources="Built-In Mic,Built-In Back Mic"/>
                 <route type="mix" sink="record_24"
diff --git a/configs/sdm660/sdm660.mk b/configs/sdm660/sdm660.mk
index 84f0f1e..03e59e2 100644
--- a/configs/sdm660/sdm660.mk
+++ b/configs/sdm660/sdm660.mk
@@ -106,7 +106,9 @@
     vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm660/sound_trigger_mixer_paths_wcd9340.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_mixer_paths_wcd9340.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm660/sound_trigger_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_platform_info.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm660/graphite_ipc_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/graphite_ipc_platform_info.xml \
-    vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm660/audio_configs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs.xml
+    vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm660/audio_configs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs.xml \
+    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml \
+    frameworks/native/data/etc/android.hardware.audio.low_latency.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.low_latency.xml
 
 #XML Audio configuration files
 ifeq ($(USE_XML_AUDIO_POLICY_CONF), 1)
@@ -202,7 +204,7 @@
 
 #enable pbe effects
 PRODUCT_PROPERTY_OVERRIDES += \
-vendor.audio.safx.pbe.enabled=true
+vendor.audio.safx.pbe.enabled=false
 
 #parser input buffer size(256kb) in byte stream mode
 PRODUCT_PROPERTY_OVERRIDES += \
@@ -266,7 +268,6 @@
 vendor.audio.feature.a2dp_offload.enable=true \
 vendor.audio.feature.afe_proxy.enable=true \
 vendor.audio.feature.anc_headset.enable=true \
-vendor.audio.feature.audio_sphere.enable=true \
 vendor.audio.feature.battery_listener.enable=false \
 vendor.audio.feature.compr_cap.enable=false \
 vendor.audio.feature.compress_in.enable=false \
diff --git a/configs/sdm710/audio_policy_configuration.xml b/configs/sdm710/audio_policy_configuration.xml
index a7f4869..145a811 100644
--- a/configs/sdm710/audio_policy_configuration.xml
+++ b/configs/sdm710/audio_policy_configuration.xml
@@ -167,6 +167,11 @@
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK"/>
                 </mixPort>
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
                 <mixPort name="surround_sound" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
@@ -346,6 +351,8 @@
                        sources="Telephony Rx"/>
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="surround_sound"
                        sources="Built-In Mic,Built-In Back Mic"/>
                 <route type="mix" sink="record_24"
diff --git a/configs/sdm710/sdm710.mk b/configs/sdm710/sdm710.mk
index 177562a..ea71582 100644
--- a/configs/sdm710/sdm710.mk
+++ b/configs/sdm710/sdm710.mk
@@ -170,7 +170,9 @@
     vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm710/sound_trigger_mixer_paths_wcd9340.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_mixer_paths_wcd9340.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm710/sound_trigger_mixer_paths_wcd9340.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_mixer_paths_wcd9340.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm710/graphite_ipc_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/graphite_ipc_platform_info.xml \
-    vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm710/audio_configs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs.xml
+    vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm710/audio_configs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs.xml \
+    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml \
+    frameworks/native/data/etc/android.hardware.audio.low_latency.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.low_latency.xml
 
 #XML Audio configuration files
 ifeq ($(USE_XML_AUDIO_POLICY_CONF), 1)
@@ -296,7 +298,7 @@
 
 #enable pbe effects
 PRODUCT_PROPERTY_OVERRIDES += \
-vendor.audio.safx.pbe.enabled=true
+vendor.audio.safx.pbe.enabled=false
 
 #parser input buffer size(256kb) in byte stream mode
 PRODUCT_PROPERTY_OVERRIDES += \
@@ -365,7 +367,6 @@
 vendor.audio.feature.a2dp_offload.enable=true \
 vendor.audio.feature.afe_proxy.enable=true \
 vendor.audio.feature.anc_headset.enable=true \
-vendor.audio.feature.audio_sphere.enable=true \
 vendor.audio.feature.battery_listener.enable=false \
 vendor.audio.feature.compr_cap.enable=false \
 vendor.audio.feature.compress_in.enable=false \
diff --git a/configs/sdm845/audio_policy_configuration.xml b/configs/sdm845/audio_policy_configuration.xml
index 76f5236..fcd0119 100644
--- a/configs/sdm845/audio_policy_configuration.xml
+++ b/configs/sdm845/audio_policy_configuration.xml
@@ -161,12 +161,16 @@
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_OUT_MONO"/>
                 </mixPort>
-
                 <mixPort name="primary input" role="sink" maxOpenCount="2" maxActiveCount="2">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK"/>
                 </mixPort>
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
                 <mixPort name="record_24" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_24_BIT_PACKED"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,96000,192000"
@@ -341,6 +345,8 @@
                        sources="Telephony Rx"/>
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="record_24"
                        sources="Built-In Mic,Built-In Back Mic,Wired Headset Mic"/>
                 <route type="mix" sink="mmap_no_irq_in"
diff --git a/configs/sdm845/sdm845.mk b/configs/sdm845/sdm845.mk
index 80ff74b..6e56597 100644
--- a/configs/sdm845/sdm845.mk
+++ b/configs/sdm845/sdm845.mk
@@ -124,7 +124,9 @@
     vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm845/sound_trigger_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_platform_info.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm845/graphite_ipc_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/graphite_ipc_platform_info.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm845/audio_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_platform_info.xml \
-    vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm845/audio_configs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs.xml
+    vendor/qcom/opensource/audio-hal/primary-hal/configs/sdm845/audio_configs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_configs.xml \
+    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml \
+    frameworks/native/data/etc/android.hardware.audio.low_latency.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.low_latency.xml
 
 #XML Audio configuration files
 ifeq ($(USE_XML_AUDIO_POLICY_CONF), 1)
@@ -233,7 +235,7 @@
 
 #enable pbe effects
 PRODUCT_PROPERTY_OVERRIDES += \
-vendor.audio.safx.pbe.enabled=true
+vendor.audio.safx.pbe.enabled=false
 
 #parser input buffer size(256kb) in byte stream mode
 PRODUCT_PROPERTY_OVERRIDES += \
@@ -314,7 +316,6 @@
 vendor.audio.feature.a2dp_offload.enable=true \
 vendor.audio.feature.afe_proxy.enable=true \
 vendor.audio.feature.anc_headset.enable=true \
-vendor.audio.feature.audio_sphere.enable=true \
 vendor.audio.feature.battery_listener.enable=false \
 vendor.audio.feature.compr_cap.enable=false \
 vendor.audio.feature.compress_in.enable=false \
diff --git a/configs/trinket/audio_effects.xml b/configs/trinket/audio_effects.xml
index a1cc069..add0925 100644
--- a/configs/trinket/audio_effects.xml
+++ b/configs/trinket/audio_effects.xml
@@ -30,9 +30,6 @@
     <libraries>
         <library name="bundle" path="libbundlewrapper.so"/>
         <library name="reverb" path="libreverbwrapper.so"/>
-        <library name="qcbassboost" path="libqcbassboost.so"/>
-        <library name="qcvirt" path="libqcvirt.so"/>
-        <library name="qcreverb" path="libqcreverb.so"/>
         <library name="visualizer_sw" path="libvisualizer.so"/>
         <library name="visualizer_hw" path="libqcomvisualizer.so"/>
         <library name="downmix" path="libdownmix.so"/>
@@ -47,11 +44,11 @@
     </libraries>
     <effects>
         <effectProxy name="bassboost" library="proxy" uuid="14804144-a5ee-4d24-aa88-0002a5d5c51b">
-            <libsw library="qcbassboost" uuid="23aca180-44bd-11e2-bcfd-0800200c9a66"/>
+            <libsw library="bundle" uuid="8631f300-72e2-11df-b57e-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="2c4a8c24-1581-487f-94f6-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="virtualizer" library="proxy" uuid="d3467faa-acc7-4d34-acaf-0002a5d5c51b">
-            <libsw library="qcvirt" uuid="e6c98a16-22a3-11e2-b87b-f23c91aec05e"/>
+            <libsw library="bundle" uuid="1d4033c0-8557-11df-9f2d-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="509a4498-561a-4bea-b3b1-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="equalizer" library="proxy" uuid="c8e70ecd-48ca-456e-8a4f-0002a5d5c51b">
@@ -60,19 +57,19 @@
         </effectProxy>
         <effect name="volume" library="bundle" uuid="119341a0-8469-11df-81f9-0002a5d5c51b"/>
         <effectProxy name="reverb_env_aux" library="proxy" uuid="48404ac9-d202-4ccc-bf84-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="a8c1e5f3-293d-43cd-95ec-d5e26c02e217"/>
+            <libsw library="reverb" uuid="4a387fc0-8ab3-11df-8bad-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="79a18026-18fd-4185-8233-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="reverb_env_ins" library="proxy" uuid="b707403a-a1c1-4291-9573-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="791fff8b-8129-4655-83a4-59bc61034c3a"/>
+            <libsw library="reverb" uuid="c7a511a0-a3bb-11df-860e-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="eb64ea04-973b-43d2-8f5e-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="reverb_pre_aux" library="proxy" uuid="1b78f587-6d1c-422e-8b84-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="53ef1db5-c0c0-445b-b060-e34d20ebb70a"/>
+            <libsw library="reverb" uuid="f29a1400-a3bb-11df-8ddc-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="6987be09-b142-4b41-9056-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="reverb_pre_ins" library="proxy" uuid="f3e178d2-ebcb-408e-8357-0002a5d5c51b">
-            <libsw library="qcreverb" uuid="b08a0e38-22a5-11e2-b87b-f23c91aec05e"/>
+            <libsw library="reverb" uuid="172cdf00-a3bc-11df-a72f-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="aa2bebf6-47cf-4613-9bca-0002a5d5c51b"/>
         </effectProxy>
         <effectProxy name="visualizer" library="proxy" uuid="1d0a1a53-7d5d-48f2-8e71-27fbd10d842c">
diff --git a/configs/trinket/audio_policy_configuration.xml b/configs/trinket/audio_policy_configuration.xml
index 5d74497..043df15 100644
--- a/configs/trinket/audio_policy_configuration.xml
+++ b/configs/trinket/audio_policy_configuration.xml
@@ -167,6 +167,11 @@
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK"/>
                 </mixPort>
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
                 <mixPort name="incall_music_uplink" role="source"
                         flags="AUDIO_OUTPUT_FLAG_INCALL_MUSIC">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
@@ -263,17 +268,20 @@
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT A2DP Out" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP" role="sink"
-                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC">
+                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE AUDIO_FORMAT_APTX_TW
+SP">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT A2DP Headphones" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES" role="sink"
-                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC">
+                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE AUDIO_FORMAT_APTX_TW
+SP">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT A2DP Speaker" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER" role="sink"
-                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC">
+                            encodedFormats="AUDIO_FORMAT_SBC AUDIO_FORMAT_AAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_LDAC AUDIO_FORMAT_CELT AUDIO_FORMAT_APTX_ADAPTIVE AUDIO_FORMAT_APTX_TW
+SP">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
@@ -355,6 +363,8 @@
                        sources="Telephony Rx"/>
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="surround_sound"
                        sources="Built-In Mic,Built-In Back Mic"/>
                 <route type="mix" sink="usb_surround_sound"
diff --git a/configs/trinket/trinket.mk b/configs/trinket/trinket.mk
index 44babfa..5176889 100644
--- a/configs/trinket/trinket.mk
+++ b/configs/trinket/trinket.mk
@@ -92,6 +92,8 @@
     vendor/qcom/opensource/audio-hal/primary-hal/configs/trinket/mixer_paths_tavil.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_tavil.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/trinket/mixer_paths_tasha.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_tasha.xml \
     vendor/qcom/opensource/audio-hal/primary-hal/configs/trinket/mixer_paths_tashalite.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_tashalite.xml \
+    frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml \
+    frameworks/native/data/etc/android.hardware.audio.low_latency.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.low_latency.xml
 
 #XML Audio configuration files
 ifneq ($(TARGET_USES_AOSP_FOR_AUDIO), true)
@@ -185,7 +187,7 @@
 
 #enable pbe effects
 PRODUCT_PROPERTY_OVERRIDES += \
-vendor.audio.safx.pbe.enabled=true
+vendor.audio.safx.pbe.enabled=false
 
 #parser input buffer size(256kb) in byte stream mode
 PRODUCT_PROPERTY_OVERRIDES += \
@@ -233,12 +235,15 @@
 PRODUCT_PROPERTY_OVERRIDES += \
 vendor.audio.adm.buffering.ms=2
 
+#enable AAC frame ctl for A2DP sinks
+PRODUCT_PROPERTY_OVERRIDES += \
+persist.vendor.bt.aac_frm_ctl.enabled=true
+
 #add dynamic feature flags here
 PRODUCT_PROPERTY_OVERRIDES += \
 vendor.audio.feature.a2dp_offload.enable=true \
 vendor.audio.feature.afe_proxy.enable=true \
 vendor.audio.feature.anc_headset.enable=true \
-vendor.audio.feature.audio_sphere.enable=true \
 vendor.audio.feature.battery_listener.enable=false \
 vendor.audio.feature.compr_cap.enable=false \
 vendor.audio.feature.compress_in.enable=false \
diff --git a/hal/Android.mk b/hal/Android.mk
index 0ce2d6e..1a0c2e2 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -88,6 +88,10 @@
   LOCAL_CFLAGS := -DPLATFORM_LITO
   LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="4"
 endif
+ifneq ($(filter atoll,$(TARGET_BOARD_PLATFORM)),)
+  LOCAL_CFLAGS := -DPLATFORM_ATOLL
+  LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="4"
+endif
 ifneq ($(filter sdm660,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS := -DPLATFORM_MSMFALCON
   LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="8"
@@ -210,12 +214,14 @@
 endif
 
 # Hardware specific feature
-ifeq ($(strip $(BOARD_SUPPORTS_QAHW)),true)
-    LOCAL_CFLAGS += -DAUDIO_HW_EXTN_API_ENABLED
-    LOCAL_SRC_FILES += audio_hw_extn_api.c
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_QAP)),true)
+LOCAL_CFLAGS += -DQAP_EXTN_ENABLED -Wno-tautological-pointer-compare
+LOCAL_SRC_FILES += audio_extn/qap.c
+LOCAL_C_INCLUDES += $(TARGET_OUT_HEADERS)/mm-audio/qap_wrapper/
+LOCAL_HEADER_LIBRARIES += audio_qaf_headers
+LOCAL_SHARED_LIBRARIES += libqap_wrapper liblog
 endif
 
-# Hardware specific feature
 ifeq ($(strip $(AUDIO_FEATURE_ENABLED_LISTEN)),true)
     LOCAL_CFLAGS += -DAUDIO_LISTEN_ENABLED
     LOCAL_C_INCLUDES += $(TARGET_OUT_HEADERS)/mm-audio/audio-listen
diff --git a/hal/audio_extn/Android.mk b/hal/audio_extn/Android.mk
index e944260..fee6977 100644
--- a/hal/audio_extn/Android.mk
+++ b/hal/audio_extn/Android.mk
@@ -410,7 +410,7 @@
 PRIMARY_HAL_PATH := vendor/qcom/opensource/audio-hal/primary-hal/hal
 AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
 
-ifneq ($(filter sdm845 sdm710 msmnile kona lito sdm660 msm8937 msm8998 $(MSMSTEPPE) $(TRINKET),$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter sdm845 sdm710 msmnile kona lito atoll sdm660 msm8937 msm8998 $(MSMSTEPPE) $(TRINKET),$(TARGET_BOARD_PLATFORM)),)
   # B-family platform uses msm8974 code base
   AUDIO_PLATFORM := msm8974
   MULTIPLE_HW_VARIANTS_ENABLED := true
@@ -469,7 +469,7 @@
 PRIMARY_HAL_PATH := vendor/qcom/opensource/audio-hal/primary-hal/hal
 AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
 
-ifneq ($(filter sdm845 sdm710 msmnile kona lito sdm660 msm8937 msm8998 $(MSMSTEPPE) $(TRINKET),$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter sdm845 sdm710 msmnile kona lito atoll sdm660 msm8937 msm8998 $(MSMSTEPPE) $(TRINKET),$(TARGET_BOARD_PLATFORM)),)
   # B-family platform uses msm8974 code base
   AUDIO_PLATFORM := msm8974
   MULTIPLE_HW_VARIANTS_ENABLED := true
@@ -528,7 +528,7 @@
 PRIMARY_HAL_PATH := vendor/qcom/opensource/audio-hal/primary-hal/hal
 AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
 
-ifneq ($(filter sdm845 sdm710 msmnile kona lito sdm660 msm8937 msm8998 $(MSMSTEPPE) $(TRINKET),$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter sdm845 sdm710 msmnile kona lito atoll sdm660 msm8937 msm8998 $(MSMSTEPPE) $(TRINKET),$(TARGET_BOARD_PLATFORM)),)
   # B-family platform uses msm8974 code base
   AUDIO_PLATFORM := msm8974
   MULTIPLE_HW_VARIANTS_ENABLED := true
@@ -590,7 +590,7 @@
 PRIMARY_HAL_PATH := vendor/qcom/opensource/audio-hal/primary-hal/hal
 AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
 
-ifneq ($(filter sdm845 sdm710 msmnile kona lito sdm660 msm8937 msm8998 $(MSMSTEPPE) $(TRINKET),$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter sdm845 sdm710 msmnile kona lito atoll sdm660 msm8937 msm8998 $(MSMSTEPPE) $(TRINKET),$(TARGET_BOARD_PLATFORM)),)
   # B-family platform uses msm8974 code base
   AUDIO_PLATFORM := msm8974
   MULTIPLE_HW_VARIANTS_ENABLED := true
@@ -660,7 +660,7 @@
 PRIMARY_HAL_PATH := vendor/qcom/opensource/audio-hal/primary-hal/hal
 AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
 
-ifneq ($(filter sdm845 sdm710 msmnile kona lito sdm660 msm8937 msm8998 $(MSMSTEPPE) $(TRINKET),$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter sdm845 sdm710 msmnile kona lito atoll sdm660 msm8937 msm8998 $(MSMSTEPPE) $(TRINKET),$(TARGET_BOARD_PLATFORM)),)
   # B-family platform uses msm8974 code base
   AUDIO_PLATFORM := msm8974
   MULTIPLE_HW_VARIANTS_ENABLED := true
diff --git a/hal/audio_extn/audio_extn.c b/hal/audio_extn/audio_extn.c
index f47cf70..f9f33d1 100644
--- a/hal/audio_extn/audio_extn.c
+++ b/hal/audio_extn/audio_extn.c
@@ -98,12 +98,13 @@
 bool cin_attached_usecase(audio_usecase_t uc_id);
 bool cin_format_supported(audio_format_t format);
 size_t cin_get_buffer_size(struct stream_in *in);
-int cin_start_input_stream(struct stream_in *in);
+int cin_open_input_stream(struct stream_in *in);
 void cin_stop_input_stream(struct stream_in *in);
 void cin_close_input_stream(struct stream_in *in);
+void cin_free_input_stream_resources(struct stream_in *in);
 int cin_read(struct stream_in *in, void *buffer,
                         size_t bytes, size_t *bytes_read);
-int cin_configure_input_stream(struct stream_in *in);
+int cin_configure_input_stream(struct stream_in *in, struct audio_config *in_config);
 
 void audio_extn_set_snd_card_split(const char* in_snd_card_name)
 {
@@ -5063,9 +5064,9 @@
 {
     return (audio_extn_compress_in_enabled? cin_get_buffer_size(in): 0);
 }
-int audio_extn_cin_start_input_stream(struct stream_in *in)
+int audio_extn_cin_open_input_stream(struct stream_in *in)
 {
-    return (audio_extn_compress_in_enabled? cin_start_input_stream(in): -1);
+    return (audio_extn_compress_in_enabled? cin_open_input_stream(in): -1);
 }
 void audio_extn_cin_stop_input_stream(struct stream_in *in)
 {
@@ -5075,15 +5076,19 @@
 {
     (audio_extn_compress_in_enabled? cin_close_input_stream(in): NULL);
 }
+void audio_extn_cin_free_input_stream_resources(struct stream_in *in)
+{
+    return (audio_extn_compress_in_enabled? cin_free_input_stream_resources(in): NULL);
+}
 int audio_extn_cin_read(struct stream_in *in, void *buffer,
                         size_t bytes, size_t *bytes_read)
 {
     return (audio_extn_compress_in_enabled?
                             cin_read(in, buffer, bytes, bytes_read): -1);
 }
-int audio_extn_cin_configure_input_stream(struct stream_in *in)
+int audio_extn_cin_configure_input_stream(struct stream_in *in, struct audio_config *in_config)
 {
-    return (audio_extn_compress_in_enabled? cin_configure_input_stream(in): -1);
+    return (audio_extn_compress_in_enabled? cin_configure_input_stream(in, in_config): -1);
 }
 // END: COMPRESS_IN ====================================================
 
@@ -5529,6 +5534,8 @@
    audio_extn_passthru_set_parameters(adev, parms);
    audio_extn_ext_disp_set_parameters(adev, parms);
    audio_extn_qaf_set_parameters(adev, parms);
+   if (audio_extn_qap_is_enabled())
+       audio_extn_qap_set_parameters(adev, parms);
    if (adev->offload_effects_set_parameters != NULL)
        adev->offload_effects_set_parameters(parms);
    audio_extn_set_aptx_dec_bt_addr(adev, parms);
diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index b7942ae..d407f80 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.h
@@ -216,6 +216,9 @@
 
 //END: EXTN_QDSP_PLUGIN      ===========================================
 
+#define MIN_OFFLOAD_BUFFER_DURATION_MS 5 /* 5ms */
+#define MAX_OFFLOAD_BUFFER_DURATION_MS (100 * 1000) /* 100s */
+
 void audio_extn_set_parameters(struct audio_device *adev,
                                struct str_parms *parms);
 
@@ -434,6 +437,7 @@
 #define audio_extn_sound_trigger_update_device_status(snd_dev, event)  (0)
 #define audio_extn_sound_trigger_update_stream_status(uc_info, event)  (0)
 #define audio_extn_sound_trigger_update_battery_status(charging)       (0)
+#define audio_extn_sound_trigger_update_screen_status(screen_off)      (0)
 #define audio_extn_sound_trigger_set_parameters(adev, parms)           (0)
 #define audio_extn_sound_trigger_get_parameters(adev, query, reply)    (0)
 #define audio_extn_sound_trigger_check_and_get_session(in)             (0)
@@ -458,6 +462,7 @@
 void audio_extn_sound_trigger_update_stream_status(struct audio_usecase *uc_info,
                                      st_event_type_t event);
 void audio_extn_sound_trigger_update_battery_status(bool charging);
+void audio_extn_sound_trigger_update_screen_status(bool screen_off);
 void audio_extn_sound_trigger_set_parameters(struct audio_device *adev,
                                              struct str_parms *parms);
 void audio_extn_sound_trigger_check_and_get_session(struct stream_in *in);
@@ -910,6 +915,59 @@
 #define audio_extn_is_qaf_stream(out)                                   (0)
 #endif
 
+
+#ifdef QAP_EXTN_ENABLED
+/*
+ * Helper funtion to know if HAL QAP extention is enabled or not.
+ */
+bool audio_extn_qap_is_enabled();
+/*
+ * QAP HAL extention init, called during bootup/HAL device open.
+ * QAP library will be loaded in this funtion.
+ */
+int audio_extn_qap_init(struct audio_device *adev);
+void audio_extn_qap_deinit();
+/*
+ * if HAL QAP is enabled and inited succesfully then all then this funtion
+ * gets called for all the open_output_stream requests, in other words
+ * the core audio_hw->open_output_stream is overridden by this funtion
+ */
+int audio_extn_qap_open_output_stream(struct audio_hw_device *dev,
+                                   audio_io_handle_t handle,
+                                   audio_devices_t devices,
+                                   audio_output_flags_t flags,
+                                   struct audio_config *config,
+                                   struct audio_stream_out **stream_out,
+                                   const char *address __unused);
+void audio_extn_qap_close_output_stream(struct audio_hw_device *dev __unused,
+                                        struct audio_stream_out *stream);
+/*
+ * this funtion is how HAL QAP extention gets to know the device connection/disconnection
+ */
+int audio_extn_qap_set_parameters(struct audio_device *adev, struct str_parms *parms);
+int audio_extn_qap_out_set_param_data(struct stream_out *out,
+                           audio_extn_param_id param_id,
+                           audio_extn_param_payload *payload);
+int audio_extn_qap_out_get_param_data(struct stream_out *out,
+                             audio_extn_param_id param_id,
+                             audio_extn_param_payload *payload);
+/*
+ * helper funtion.
+ */
+bool audio_extn_is_qap_stream(struct stream_out *out);
+#else
+#define audio_extn_qap_is_enabled()                                     (0)
+#define audio_extn_qap_deinit()                                         (0)
+#define audio_extn_qap_close_output_stream         adev_close_output_stream
+#define audio_extn_qap_open_output_stream           adev_open_output_stream
+#define audio_extn_qap_init(adev)                                       (0)
+#define audio_extn_qap_set_parameters(adev, parms)                      (0)
+#define audio_extn_qap_out_set_param_data(out, param_id, payload)       (0)
+#define audio_extn_qap_out_get_param_data(out, param_id, payload)       (0)
+#define audio_extn_is_qap_stream(out)                                   (0)
+#endif
+
+
 #ifdef AUDIO_EXTN_BT_HAL_ENABLED
 int audio_extn_bt_hal_load(void **handle);
 int audio_extn_bt_hal_open_output_stream(void *handle, int in_rate, audio_channel_mask_t channel_mask, int bit_width);
@@ -943,7 +1001,8 @@
 
 #define audio_extn_gef_init(adev) (0)
 #define audio_extn_gef_deinit(adev) (0)
-#define audio_extn_gef_notify_device_config(devices, cmask, sample_rate, acdb_id) (0)
+#define audio_extn_gef_notify_device_config(devices, cmask, sample_rate, \
+        acdb_id, app_type) (0)
 
 #ifndef INSTANCE_ID_ENABLED
 #define audio_extn_gef_send_audio_cal(dev, acdb_dev_id, acdb_device_type,\
@@ -975,7 +1034,7 @@
 void audio_extn_gef_deinit(struct audio_device *adev);
 
 void audio_extn_gef_notify_device_config(audio_devices_t audio_device,
-    audio_channel_mask_t channel_mask, int sample_rate, int acdb_id);
+    audio_channel_mask_t channel_mask, int sample_rate, int acdb_id, int app_type);
 #ifndef INSTANCE_ID_ENABLED
 int audio_extn_gef_send_audio_cal(void* adev, int acdb_dev_id, int acdb_device_type,
     int app_type, int topology_id, int sample_rate, uint32_t module_id,
@@ -1011,12 +1070,13 @@
 bool audio_extn_cin_attached_usecase(audio_usecase_t uc_id);
 bool audio_extn_cin_format_supported(audio_format_t format);
 size_t audio_extn_cin_get_buffer_size(struct stream_in *in);
-int audio_extn_cin_start_input_stream(struct stream_in *in);
+int audio_extn_cin_open_input_stream(struct stream_in *in);
 void audio_extn_cin_stop_input_stream(struct stream_in *in);
 void audio_extn_cin_close_input_stream(struct stream_in *in);
+void audio_extn_cin_free_input_stream_resources(struct stream_in *in);
 int audio_extn_cin_read(struct stream_in *in, void *buffer,
                         size_t bytes, size_t *bytes_read);
-int audio_extn_cin_configure_input_stream(struct stream_in *in);
+int audio_extn_cin_configure_input_stream(struct stream_in *in, struct audio_config *in_config);
 // END: COMPRESS_INPUT_ENABLED ===============================
 
 //START: SOURCE_TRACKING_FEATURE ==============================================
@@ -1091,6 +1151,8 @@
             uint64_t *frames, struct timespec *timestamp, int32_t clock_id);
 int audio_extn_utils_pcm_get_dsp_presentation_pos(struct stream_out *out,
             uint64_t *frames, struct timespec *timestamp, int32_t clock_id);
+size_t audio_extn_utils_get_input_buffer_size(uint32_t, audio_format_t, int, int64_t, bool);
+int audio_extn_utils_get_perf_mode_flag(void);
 #ifdef AUDIO_HW_LOOPBACK_ENABLED
 /* API to create audio patch */
 int audio_extn_hw_loopback_create_audio_patch(struct audio_hw_device *dev,
@@ -1213,8 +1275,6 @@
 #ifndef AUDIO_EXTN_AUTO_HAL_ENABLED
 #define audio_extn_auto_hal_init(adev)                (0)
 #define audio_extn_auto_hal_deinit()                  (0)
-#define audio_extn_auto_hal_enable_hostless()         (0)
-#define audio_extn_auto_hal_disable_hostless()        (0)
 #define audio_extn_auto_hal_create_audio_patch(dev, num_sources,\
     sources, num_sinks, sinks, handle) (0)
 #define audio_extn_auto_hal_release_audio_patch(dev, handle) (0)
@@ -1228,8 +1288,6 @@
 #else
 int32_t audio_extn_auto_hal_init(struct audio_device *adev);
 void audio_extn_auto_hal_deinit(void);
-int32_t audio_extn_auto_hal_enable_hostless(void);
-void audio_extn_auto_hal_disable_hostless(void);
 int audio_extn_auto_hal_create_audio_patch(struct audio_hw_device *dev,
                                 unsigned int num_sources,
                                 const struct audio_port_config *sources,
diff --git a/hal/audio_extn/auto_hal.c b/hal/audio_extn/auto_hal.c
index f008a47..7f2163d 100644
--- a/hal/audio_extn/auto_hal.c
+++ b/hal/audio_extn/auto_hal.c
@@ -47,15 +47,9 @@
 
 #ifdef AUDIO_EXTN_AUTO_HAL_ENABLED
 
-struct hostless_config {
-    struct pcm *pcm_tx;
-    struct pcm *pcm_rx;
-};
-
 typedef struct auto_hal_module {
     struct audio_device *adev;
     card_status_t card_status;
-    struct hostless_config hostless;
 } auto_hal_module_t;
 
 /* Auto hal module struct */
@@ -71,104 +65,6 @@
     USECASE_AUDIO_PLAYBACK_PHONE,
 };
 
-/* Note: Due to ADP H/W design, SoC TERT/SEC TDM CLK and FSYNC lines are
- * both connected with CODEC and a single master is needed to provide
- * consistent CLK and FSYNC to slaves, hence configuring SoC TERT TDM as
- * single master and bring up a dummy hostless from TERT to SEC to ensure
- * both slave SoC SEC TDM and CODEC are driven upon system boot. */
-int32_t audio_extn_auto_hal_enable_hostless(void)
-{
-    int32_t ret = 0;
-    char mixer_path[MIXER_PATH_MAX_LENGTH];
-
-    ALOGD("%s: Enable TERT -> SEC Hostless", __func__);
-
-    if (auto_hal == NULL) {
-        ALOGE("%s: Invalid device", __func__);
-        return -EINVAL;
-    }
-
-    strlcpy(mixer_path, "dummy-hostless", MIXER_PATH_MAX_LENGTH);
-    ALOGD("%s: apply mixer and update path: %s", __func__, mixer_path);
-    if (audio_route_apply_and_update_path(auto_hal->adev->audio_route,
-            mixer_path)) {
-        ALOGD("%s: %s not supported, continue", __func__, mixer_path);
-        return ret;
-    }
-
-    /* TERT TDM TX 7 HOSTLESS to SEC TDM RX 7 HOSTLESS */
-    int pcm_dev_rx = 48, pcm_dev_tx = 49;
-    struct pcm_config pcm_config_lb = {
-        .channels = 1,
-        .rate = 48000,
-        .period_size = 240,
-        .period_count = 2,
-        .format = PCM_FORMAT_S16_LE,
-        .start_threshold = 0,
-        .stop_threshold = INT_MAX,
-        .avail_min = 0,
-    };
-
-    auto_hal->hostless.pcm_tx = pcm_open(auto_hal->adev->snd_card,
-                                   pcm_dev_tx,
-                                   PCM_IN, &pcm_config_lb);
-    if (auto_hal->hostless.pcm_tx &&
-        !pcm_is_ready(auto_hal->hostless.pcm_tx)) {
-        ALOGE("%s: %s", __func__,
-            pcm_get_error(auto_hal->hostless.pcm_tx));
-        ret = -EIO;
-        goto error;
-    }
-    auto_hal->hostless.pcm_rx = pcm_open(auto_hal->adev->snd_card,
-                                   pcm_dev_rx,
-                                   PCM_OUT, &pcm_config_lb);
-    if (auto_hal->hostless.pcm_rx &&
-        !pcm_is_ready(auto_hal->hostless.pcm_rx)) {
-        ALOGE("%s: %s", __func__,
-            pcm_get_error(auto_hal->hostless.pcm_rx));
-        ret = -EIO;
-        goto error;
-    }
-
-    if (pcm_start(auto_hal->hostless.pcm_tx) < 0) {
-        ALOGE("%s: pcm start for pcm tx failed", __func__);
-        ret = -EIO;
-        goto error;
-    }
-    if (pcm_start(auto_hal->hostless.pcm_rx) < 0) {
-        ALOGE("%s: pcm start for pcm rx failed", __func__);
-        ret = -EIO;
-        goto error;
-    }
-    return ret;
-
-error:
-    if (auto_hal->hostless.pcm_rx)
-        pcm_close(auto_hal->hostless.pcm_rx);
-    if (auto_hal->hostless.pcm_tx)
-        pcm_close(auto_hal->hostless.pcm_tx);
-    return ret;
-}
-
-void audio_extn_auto_hal_disable_hostless(void)
-{
-    ALOGD("%s: Disable TERT -> SEC Hostless", __func__);
-
-    if (auto_hal == NULL) {
-        ALOGE("%s: Invalid device", __func__);
-        return;
-    }
-
-    if (auto_hal->hostless.pcm_tx) {
-        pcm_close(auto_hal->hostless.pcm_tx);
-        auto_hal->hostless.pcm_tx = NULL;
-    }
-    if (auto_hal->hostless.pcm_rx) {
-        pcm_close(auto_hal->hostless.pcm_rx);
-        auto_hal->hostless.pcm_rx = NULL;
-    }
-}
-
 #define MAX_SOURCE_PORTS_PER_PATCH 1
 #define MAX_SINK_PORTS_PER_PATCH 1
 
@@ -445,7 +341,7 @@
  */
 #define MIN_VOLUME_VALUE_MB -6000
 #define MAX_VOLUME_VALUE_MB 600
-
+#define STEP_VALUE_MB 100
 int audio_extn_auto_hal_set_audio_port_config(struct audio_hw_device *dev,
                         const struct audio_port_config *config)
 {
@@ -498,7 +394,10 @@
                     /* millibel = 1/100 dB = 1/1000 bel
                      * q13 = (10^(mdb/100/20))*(2^13)
                      */
-                    volume = powf(10.0, ((float)config->gain.values[0] / 2000));
+                    if(config->gain.values[0] <= (MIN_VOLUME_VALUE_MB + STEP_VALUE_MB))
+                        volume = 0.0 ;
+                    else
+                        volume = powf(10.0, ((float)config->gain.values[0] / 2000));
                     ALOGV("%s: set volume to stream: %p", __func__,
                         &out_ctxt->output->stream);
                     /* set gain if output stream is active */
@@ -575,11 +474,9 @@
         ALOGV("%s: snd card status %s", __func__, snd_card_status);
         if (strstr(snd_card_status, "OFFLINE")) {
             auto_hal->card_status = CARD_STATUS_OFFLINE;
-            audio_extn_auto_hal_disable_hostless();
         }
         else if (strstr(snd_card_status, "ONLINE")) {
             auto_hal->card_status = CARD_STATUS_ONLINE;
-            audio_extn_auto_hal_enable_hostless();
         }
     }
 
diff --git a/hal/audio_extn/compress_in.c b/hal/audio_extn/compress_in.c
index 6cf6b81..6b525b0 100644
--- a/hal/audio_extn/compress_in.c
+++ b/hal/audio_extn/compress_in.c
@@ -100,7 +100,7 @@
  * only after validating that input against cin_attached_usecase
  * except below calls
  * 1. cin_applicable_stream(in)
- * 2. cin_configure_input_stream(in)
+ * 2. cin_configure_input_stream(in, in_config)
  */
 
 bool cin_attached_usecase(audio_usecase_t uc_id)
@@ -179,7 +179,7 @@
     return sz;
 }
 
-int cin_start_input_stream(struct stream_in *in)
+int cin_open_input_stream(struct stream_in *in)
 {
     int ret = -EINVAL;
     struct audio_device *adev = in->dev;
@@ -208,12 +208,23 @@
 
     ALOGV("%s: in %p, cin_data %p", __func__, in, cin_data);
     if (cin_data->compr) {
+        compress_stop(cin_data->compr);
+    }
+}
+
+
+void cin_close_input_stream(struct stream_in *in)
+{
+    cin_private_data_t *cin_data = (cin_private_data_t *) in->cin_extn;
+
+    ALOGV("%s: in %p, cin_data %p", __func__, in, cin_data);
+    if (cin_data->compr) {
         compress_close(cin_data->compr);
         cin_data->compr = NULL;
     }
 }
 
-void cin_close_input_stream(struct stream_in *in)
+void cin_free_input_stream_resources(struct stream_in *in)
 {
     cin_private_data_t *cin_data = (cin_private_data_t *) in->cin_extn;
 
@@ -265,9 +276,8 @@
     return ret;
 }
 
-int cin_configure_input_stream(struct stream_in *in)
+int cin_configure_input_stream(struct stream_in *in, struct audio_config *in_config)
 {
-    struct audio_device *adev = in->dev;
     struct audio_config config = {.format = 0};
     int ret = 0, buffer_size = 0, meta_size = sizeof(struct snd_codec_metadata);
     cin_private_data_t *cin_data = NULL;
@@ -304,7 +314,8 @@
     config.channel_mask = in->channel_mask;
     config.format = in->format;
     in->config.channels = audio_channel_count_from_in_mask(in->channel_mask);
-    buffer_size = adev->device.get_input_buffer_size(&adev->device, &config);
+    buffer_size = audio_extn_utils_get_input_buffer_size(config.sample_rate, config.format,
+                    in->config.channels, in_config->offload_info.duration_us / 1000, false);
 
     cin_data->compr_config.fragment_size = buffer_size;
     cin_data->compr_config.codec->id = get_snd_codec_id(in->format);
@@ -321,6 +332,11 @@
     else
         cin_data->compr_config.codec->compr_passthr = PASSTHROUGH_GEN;
 
+    if (in->flags & AUDIO_INPUT_FLAG_FAST) {
+        ALOGD("%s: Setting latency mode to true", __func__);
+        cin_data->compr_config.codec->flags |= audio_extn_utils_get_perf_mode_flag();
+    }
+
     if ((in->flags & AUDIO_INPUT_FLAG_TIMESTAMP) ||
         (in->flags & AUDIO_INPUT_FLAG_PASSTHROUGH)) {
         compress_config_set_timstamp_flag(&cin_data->compr_config);
@@ -332,6 +348,6 @@
     return ret;
 
 err_config:
-    cin_close_input_stream(in);
+    cin_free_input_stream_resources(in);
     return ret;
 }
diff --git a/hal/audio_extn/ext_hw_plugin.c b/hal/audio_extn/ext_hw_plugin.c
index 6b4a718..619ecfc 100644
--- a/hal/audio_extn/ext_hw_plugin.c
+++ b/hal/audio_extn/ext_hw_plugin.c
@@ -77,85 +77,6 @@
 /* This can be defined in platform specific file or use compile flag */
 #define LIB_PLUGIN_DRIVER "libaudiohalplugin.so"
 
-/* Note: Due to ADP H/W design, SoC TERT/SEC TDM CLK and FSYNC lines are
- * both connected with CODEC and a single master is needed to provide
- * consistent CLK and FSYNC to slaves, hence configuring SoC TERT TDM as
- * single master and bring up a dummy hostless from TERT to SEC to ensure
- * both slave SoC SEC TDM and CODEC are driven upon system boot. */
-static void ext_hw_plugin_enable_adev_hostless(void *plugin)
-{
-    struct ext_hw_plugin_data *my_plugin =
-        (struct ext_hw_plugin_data *)plugin;
-    char mixer_path[MIXER_PATH_MAX_LENGTH];
-
-    ALOGI("%s: Enable TERT -> SEC Hostless", __func__);
-
-    strlcpy(mixer_path, "dummy-hostless", MIXER_PATH_MAX_LENGTH);
-    ALOGD("%s: apply mixer and update path: %s", __func__, mixer_path);
-    if (audio_route_apply_and_update_path(my_plugin->adev->audio_route,
-            mixer_path)) {
-        ALOGE("%s: %s not supported, continue", __func__, mixer_path);
-        return;
-    }
-
-    /* TERT TDM TX 7 HOSTLESS to SEC TDM RX 7 HOSTLESS */
-    int pcm_dev_rx = 48, pcm_dev_tx = 49;
-    struct pcm_config pcm_config_lb = {
-        .channels = 1,
-        .rate = 48000,
-        .period_size = 240,
-        .period_count = 2,
-        .format = PCM_FORMAT_S16_LE,
-        .start_threshold = 0,
-        .stop_threshold = INT_MAX,
-        .avail_min = 0,
-    };
-
-    my_plugin->adev_hostless.pcm_tx = pcm_open(my_plugin->adev->snd_card,
-                                   pcm_dev_tx,
-                                   PCM_IN, &pcm_config_lb);
-    if (my_plugin->adev_hostless.pcm_tx &&
-        !pcm_is_ready(my_plugin->adev_hostless.pcm_tx)) {
-        ALOGE("%s: %s", __func__,
-            pcm_get_error(my_plugin->adev_hostless.pcm_tx));
-        return;
-    }
-    my_plugin->adev_hostless.pcm_rx = pcm_open(my_plugin->adev->snd_card,
-                                   pcm_dev_rx,
-                                   PCM_OUT, &pcm_config_lb);
-    if (my_plugin->adev_hostless.pcm_rx &&
-        !pcm_is_ready(my_plugin->adev_hostless.pcm_rx)) {
-        ALOGE("%s: %s", __func__,
-            pcm_get_error(my_plugin->adev_hostless.pcm_rx));
-        return;
-    }
-
-    if (pcm_start(my_plugin->adev_hostless.pcm_tx) < 0) {
-        ALOGE("%s: pcm start for pcm tx failed", __func__);
-        return;
-    }
-    if (pcm_start(my_plugin->adev_hostless.pcm_rx) < 0) {
-        ALOGE("%s: pcm start for pcm rx failed", __func__);
-        return;
-    }
-}
-
-static void ext_hw_plugin_disable_adev_hostless(void *plugin)
-{
-    struct ext_hw_plugin_data *my_plugin = (struct ext_hw_plugin_data *)plugin;
-
-    ALOGI("%s: Disable TERT -> SEC Hostless", __func__);
-
-    if (my_plugin->adev_hostless.pcm_tx) {
-        pcm_close(my_plugin->adev_hostless.pcm_tx);
-        my_plugin->adev_hostless.pcm_tx = NULL;
-    }
-    if (my_plugin->adev_hostless.pcm_rx) {
-        pcm_close(my_plugin->adev_hostless.pcm_rx);
-        my_plugin->adev_hostless.pcm_rx = NULL;
-    }
-}
-
 void* ext_hw_plugin_init(struct audio_device *adev, ext_hw_plugin_init_config_t init_config)
 {
     int32_t ret = 0;
@@ -170,7 +91,6 @@
 
     my_plugin->adev = adev;
     fp_audio_route_apply_and_update_path = init_config.fp_audio_route_apply_and_update_path;
-    (void)audio_extn_auto_hal_enable_hostless();
 
     my_plugin->plugin_handle = dlopen(LIB_PLUGIN_DRIVER, RTLD_NOW);
     if (my_plugin->plugin_handle == NULL) {
@@ -209,7 +129,6 @@
             goto plugin_init_fail;
         }
     }
-    ext_hw_plugin_enable_adev_hostless(my_plugin);
     my_plugin->mic_mute = false;
     return my_plugin;
 
@@ -229,7 +148,6 @@
         ALOGE("[%s] NULL plugin pointer",__func__);
         return -EINVAL;
     }
-    ext_hw_plugin_disable_adev_hostless(my_plugin);
     if (my_plugin->audio_hal_plugin_deinit) {
         ret = my_plugin->audio_hal_plugin_deinit();
         if (ret) {
@@ -240,8 +158,6 @@
     if(my_plugin->plugin_handle != NULL)
         dlclose(my_plugin->plugin_handle);
 
-    audio_extn_auto_hal_disable_hostless();
-
     free(my_plugin);
     return ret;
 }
diff --git a/hal/audio_extn/gef.c b/hal/audio_extn/gef.c
index ca1a16b..83e9d45 100644
--- a/hal/audio_extn/gef.c
+++ b/hal/audio_extn/gef.c
@@ -64,7 +64,7 @@
 typedef void* (*gef_init_t)(void*);
 typedef void (*gef_deinit_t)(void*);
 typedef void (*gef_device_config_cb_t)(void*, audio_devices_t,
-    audio_channel_mask_t, int, int);
+    audio_channel_mask_t, int, int, int);
 
 typedef struct {
     void* handle;
@@ -428,14 +428,14 @@
 
 //this will be called from HAL to notify GEF of new device configuration
 void audio_extn_gef_notify_device_config(audio_devices_t audio_device,
-    audio_channel_mask_t channel_mask, int sample_rate, int acdb_id)
+    audio_channel_mask_t channel_mask, int sample_rate, int acdb_id, int app_type)
 {
     ALOGV("%s: Enter", __func__);
 
     //call into GEF to share channel mask and device info
     if (gef_hal_handle.handle && gef_hal_handle.device_config_cb) {
         gef_hal_handle.device_config_cb(gef_hal_handle.gef_ptr, audio_device, channel_mask,
-            sample_rate, acdb_id);
+            sample_rate, acdb_id, app_type);
     }
 
     ALOGV("%s: Exit", __func__);
diff --git a/hal/audio_extn/ip_hdlr_intf.c b/hal/audio_extn/ip_hdlr_intf.c
index 0afc705..3214c03 100644
--- a/hal/audio_extn/ip_hdlr_intf.c
+++ b/hal/audio_extn/ip_hdlr_intf.c
@@ -62,8 +62,8 @@
 #define ADSP_DEC_SERVICE_ID 1
 #define ADSP_EVENT_ID_RTIC            0x00013239
 #define ADSP_EVENT_ID_RTIC_FAIL       0x0001323A
-#define TRUMPET_TOPOLOGY 0x11000099
-#define TRUMPET_MODULE 0x0001099A
+#define TRUMPET_TOPOLOGY              0x11000099
+#define TRUMPET_MODULE                0x0001099A
 
 struct lib_fd_info {
     int32_t fd;
@@ -212,10 +212,12 @@
     return ret;
 
 }
+
 bool audio_extn_ip_hdlr_intf_supported_for_copp(void *platform)
 {
     return adm_event_enable;
 }
+
 bool audio_extn_ip_hdlr_intf_supported(audio_format_t format,
                     bool is_direct_passthrough,
                     bool is_transcode_loopback)
@@ -224,28 +226,30 @@
     if ((format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_DOLBY_TRUEHD) {
         asm_event_enable = true;
         return true;
+    } else if ((format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_MAT) {
+        asm_event_enable = true;
+        return true;
     } else if (!is_direct_passthrough && !audio_extn_qaf_is_enabled() &&
             (((format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_E_AC3) ||
              ((format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_AC3))) {
         asm_event_enable = true;
         return true;
-    } else if (is_transcode_loopback &&
+   } else if (is_transcode_loopback &&
             (((format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_E_AC3) ||
              ((format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_AC3))) {
-        asm_event_enable = true;
-        return true;
-    } else {
-        asm_event_enable = false;
-        return false;
-    }
+       asm_event_enable = true;
+       return true;
+   } else {
+       asm_event_enable = false;
+       return false;
 }
 
 int audio_extn_ip_hdlr_intf_event_adm(void *stream_handle __unused,
                                void *payload, void *ip_hdlr_handle )
 {
-    ALOGVV("%s:[%d] handle = %p\n",__func__, ip_hdlr->ref_cnt, ip_hdlr_handle);
+        ALOGVV("%s:[%d] handle = %p\n",__func__, ip_hdlr->ref_cnt, ip_hdlr_handle);
 
-    return ip_hdlr->event_adm(ip_hdlr_handle, payload);
+        return ip_hdlr->event_adm(ip_hdlr_handle, payload);
 }
 
 int audio_extn_ip_hdlr_intf_event(void *stream_handle __unused, void *payload, void *ip_hdlr_handle )
@@ -887,9 +891,6 @@
         return -EINVAL;
     }
     ALOGD("%s:[%d] handle = %p",__func__, ip_hdlr->ref_cnt, handle);
-    ret = ip_hdlr->deinit(handle);
-    if (ret < 0)
-        ALOGE("%s:[%d] deinit failed ret = %d", __func__, ip_hdlr->ref_cnt, ret);
 
     if (--ip_hdlr->ref_cnt == 0) {
         ip_hdlr->get_lib_fd(handle, &lib_fd.fd);
@@ -917,8 +918,11 @@
             goto dlclose;
         }
 
-        ret = ip_hdlr->deinit_lib(ip_hdlr->ip_lib_handle);
+        ret = ip_hdlr->deinit_lib(handle);
         ip_hdlr->lib_fd_created = false;
+        ret = ip_hdlr->deinit(handle);
+        if (ret < 0)
+            ALOGE("%s:[%d] deinit failed ret = %d", __func__, ip_hdlr->ref_cnt, ret);
         if (ip_hdlr->lib_hdl)
             dlclose(ip_hdlr->lib_hdl);
 dlclose:
diff --git a/hal/audio_extn/qap.c b/hal/audio_extn/qap.c
new file mode 100644
index 0000000..0625737
--- /dev/null
+++ b/hal/audio_extn/qap.c
@@ -0,0 +1,3137 @@
+/*
+ * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define LOG_TAG "audio_hw_qap"
+#define LOG_NDEBUG 0
+#define VERY_VERY_VERBOSE_LOGGING
+#ifdef VERY_VERY_VERBOSE_LOGGING
+#define DEBUG_MSG_VV DEBUG_MSG
+#else
+#define DEBUG_MSG_VV(a...) do { } while(0)
+#endif
+
+#define DEBUG_MSG(arg,...) ALOGE("%s: %d:  " arg, __func__, __LINE__, ##__VA_ARGS__)
+#define ERROR_MSG(arg,...) ALOGE("%s: %d:  " arg, __func__, __LINE__, ##__VA_ARGS__)
+
+#define COMPRESS_OFFLOAD_NUM_FRAGMENTS 2
+#define COMPRESS_PASSTHROUGH_DDP_FRAGMENT_SIZE 4608
+
+#define QAP_DEFAULT_COMPR_AUDIO_HANDLE 1001
+#define QAP_DEFAULT_COMPR_PASSTHROUGH_HANDLE 1002
+#define QAP_DEFAULT_PASSTHROUGH_HANDLE 1003
+
+#define COMPRESS_OFFLOAD_PLAYBACK_LATENCY 300
+
+#define MIN_PCM_OFFLOAD_FRAGMENT_SIZE 512
+#define MAX_PCM_OFFLOAD_FRAGMENT_SIZE (240 * 1024)
+
+#define DIV_ROUND_UP(x, y) (((x) + (y) - 1)/(y))
+#define ALIGN(x, y) ((y) * DIV_ROUND_UP((x), (y)))
+
+/* Pcm input node buffer size is 6144 bytes, i.e, 32msec for 48000 samplerate */
+#define QAP_MODULE_PCM_INPUT_BUFFER_LATENCY 32
+
+#define MS12_PCM_OUT_FRAGMENT_SIZE 1536 //samples
+#define MS12_PCM_IN_FRAGMENT_SIZE 1536 //samples
+
+#define DD_FRAME_SIZE 1536
+#define DDP_FRAME_SIZE DD_FRAME_SIZE
+/*
+ * DD encoder output size for one frame.
+ */
+#define DD_ENCODER_OUTPUT_SIZE 2560
+/*
+ * DDP encoder output size for one frame.
+ */
+#define DDP_ENCODER_OUTPUT_SIZE 4608
+
+/*********TODO Need to get correct values.*************************/
+
+#define DTS_PCM_OUT_FRAGMENT_SIZE 1024 //samples
+
+#define DTS_FRAME_SIZE 1536
+#define DTSHD_FRAME_SIZE DTS_FRAME_SIZE
+/*
+ * DTS encoder output size for one frame.
+ */
+#define DTS_ENCODER_OUTPUT_SIZE 2560
+/*
+ * DTSHD encoder output size for one frame.
+ */
+#define DTSHD_ENCODER_OUTPUT_SIZE 4608
+/******************************************************************/
+
+/*
+ * QAP Latency to process buffers since out_write from primary HAL
+ */
+#define QAP_COMPRESS_OFFLOAD_PROCESSING_LATENCY 18
+#define QAP_PCM_OFFLOAD_PROCESSING_LATENCY 48
+
+//TODO: Need to handle for DTS
+#define QAP_DEEP_BUFFER_OUTPUT_PERIOD_SIZE 1536
+
+#include <stdlib.h>
+#include <pthread.h>
+#include <errno.h>
+#include <dlfcn.h>
+#include <unistd.h>
+#include <sys/resource.h>
+#include <sys/prctl.h>
+#include <cutils/properties.h>
+#include <cutils/str_parms.h>
+#include <cutils/log.h>
+#include <cutils/atomic.h>
+#include "audio_utils/primitives.h"
+#include "audio_hw.h"
+#include "platform_api.h"
+#include <platform.h>
+#include <system/thread_defs.h>
+#include <cutils/sched_policy.h>
+#include "audio_extn.h"
+#include <qti_audio.h>
+#include <qap_api.h>
+#include "sound/compress_params.h"
+#include "ip_hdlr_intf.h"
+#include "dolby_ms12.h"
+
+#ifdef DYNAMIC_LOG_ENABLED
+#include <log_xml_parser.h>
+#define LOG_MASK HAL_MOD_FILE_QAF
+#include <log_utils.h>
+#endif
+
+//TODO: Need to remove this.
+#define QAP_OUTPUT_SAMPLING_RATE 48000
+
+#ifdef QAP_DUMP_ENABLED
+FILE *fp_output_writer_hdmi = NULL;
+#endif
+
+//Types of MM module, currently supported by QAP.
+typedef enum {
+    MS12,
+    DTS_M8,
+    MAX_MM_MODULE_TYPE,
+    INVALID_MM_MODULE
+} mm_module_type;
+
+typedef enum {
+    QAP_OUT_TRANSCODE_PASSTHROUGH = 0, /* Transcode passthrough via MM module*/
+    QAP_OUT_OFFLOAD_MCH, /* Multi-channel PCM offload*/
+    QAP_OUT_OFFLOAD, /* PCM offload */
+
+    MAX_QAP_MODULE_OUT
+} mm_module_output_type;
+
+typedef enum {
+    QAP_IN_MAIN = 0, /* Single PID Main/Primary or Dual-PID stream */
+    QAP_IN_ASSOC,    /* Associated/Secondary stream */
+    QAP_IN_PCM,      /* PCM stream. */
+    QAP_IN_MAIN_2,   /* Single PID Main2 stream */
+    MAX_QAP_MODULE_IN
+} mm_module_input_type;
+
+typedef enum {
+    STOPPED,    /*Stream is in stop state. */
+    STOPPING,   /*Stream is stopping, waiting for EOS. */
+    RUN,        /*Stream is in run state. */
+    MAX_STATES
+} qap_stream_state;
+
+struct qap_module {
+    audio_session_handle_t session_handle;
+    void *qap_lib;
+    void *qap_handle;
+
+    /*Input stream of MM module */
+    struct stream_out *stream_in[MAX_QAP_MODULE_IN];
+    /*Output Stream from MM module */
+    struct stream_out *stream_out[MAX_QAP_MODULE_OUT];
+
+    /*Media format associated with each output id raised by mm module. */
+    qap_session_outputs_config_t session_outputs_config;
+    /*Flag is set if media format is changed for an mm module output. */
+    bool is_media_fmt_changed[MAX_QAP_MODULE_OUT];
+    /*Index to be updated in session_outputs_config array for a new mm module output. */
+    int new_out_format_index;
+
+    //BT session handle.
+    void *bt_hdl;
+
+    float vol_left;
+    float vol_right;
+    bool is_vol_set;
+    qap_stream_state stream_state[MAX_QAP_MODULE_IN];
+    bool is_session_closing;
+    bool is_session_output_active;
+    pthread_cond_t session_output_cond;
+    pthread_mutex_t session_output_lock;
+
+};
+
+struct qap {
+    struct audio_device *adev;
+
+    pthread_mutex_t lock;
+
+    bool bt_connect;
+    bool hdmi_connect;
+    int hdmi_sink_channels;
+
+    //Flag to indicate if QAP transcode output stream is enabled from any mm module.
+    bool passthrough_enabled;
+    //Flag to indicate if QAP mch pcm output stream is enabled from any mm module.
+    bool mch_pcm_hdmi_enabled;
+
+    //Flag to indicate if msmd is supported.
+    bool qap_msmd_enabled;
+
+    bool qap_output_block_handling;
+    //Handle of QAP input stream, which is routed as QAP passthrough.
+    struct stream_out *passthrough_in;
+    //Handle of QAP passthrough stream.
+    struct stream_out *passthrough_out;
+
+    struct qap_module qap_mod[MAX_MM_MODULE_TYPE];
+};
+
+//Global handle of QAP. Access to this should be protected by mutex lock.
+static struct qap *p_qap = NULL;
+
+/* Gets the pointer to qap module for the qap input stream. */
+static struct qap_module* get_qap_module_for_input_stream_l(struct stream_out *out)
+{
+    struct qap_module *qap_mod = NULL;
+    int i, j;
+    if (!p_qap) return NULL;
+
+    for (i = 0; i < MAX_MM_MODULE_TYPE; i++) {
+        for (j = 0; j < MAX_QAP_MODULE_IN; j++) {
+            if (p_qap->qap_mod[i].stream_in[j] == out) {
+                qap_mod = &(p_qap->qap_mod[i]);
+                break;
+            }
+        }
+    }
+
+    return qap_mod;
+}
+
+/* Finds the mm module input stream index for the QAP input stream. */
+static int get_input_stream_index_l(struct stream_out *out)
+{
+    int index = -1, j;
+    struct qap_module* qap_mod = NULL;
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    if (!qap_mod) return index;
+
+    for (j = 0; j < MAX_QAP_MODULE_IN; j++) {
+        if (qap_mod->stream_in[j] == out) {
+            index = j;
+            break;
+        }
+    }
+
+    return index;
+}
+
+static void set_stream_state_l(struct stream_out *out, int state)
+{
+    struct qap_module *qap_mod = get_qap_module_for_input_stream_l(out);
+    int index = get_input_stream_index_l(out);
+    if (qap_mod && index >= 0) qap_mod->stream_state[index] = state;
+}
+
+static bool check_stream_state_l(struct stream_out *out, int state)
+{
+    struct qap_module *qap_mod = get_qap_module_for_input_stream_l(out);
+    int index = get_input_stream_index_l(out);
+    if (qap_mod && index >= 0) return ((int)qap_mod->stream_state[index] == state);
+    return false;
+}
+
+/* Finds the right mm module for the QAP input stream format. */
+static mm_module_type get_mm_module_for_format_l(audio_format_t format)
+{
+    int j;
+
+    DEBUG_MSG("Format 0x%x", format);
+
+    if (format == AUDIO_FORMAT_PCM_16_BIT) {
+        //If dts is not supported then alway support pcm with MS12
+        if (!property_get_bool("vendor.audio.qap.dts_m8", false)) { //TODO: Need to add this property for DTS.
+            return MS12;
+        }
+
+        //If QAP passthrough is active then send the PCM stream to primary HAL.
+        if (!p_qap->passthrough_out) {
+            /* Iff any stream is active in MS12 module then route PCM stream to it. */
+            for (j = 0; j < MAX_QAP_MODULE_IN; j++) {
+                if (p_qap->qap_mod[MS12].stream_in[j]) {
+                    return MS12;
+                }
+            }
+        }
+        return INVALID_MM_MODULE;
+    }
+
+    switch (format & AUDIO_FORMAT_MAIN_MASK) {
+        case AUDIO_FORMAT_AC3:
+        case AUDIO_FORMAT_E_AC3:
+        case AUDIO_FORMAT_AAC:
+        case AUDIO_FORMAT_AAC_ADTS:
+        case AUDIO_FORMAT_AC4:
+            return MS12;
+        case AUDIO_FORMAT_DTS:
+        case AUDIO_FORMAT_DTS_HD:
+            return DTS_M8;
+        default:
+            return INVALID_MM_MODULE;
+    }
+}
+
+static bool is_main_active_l(struct qap_module* qap_mod)
+{
+   return (qap_mod->stream_in[QAP_IN_MAIN] || qap_mod->stream_in[QAP_IN_MAIN_2]);
+}
+
+static bool is_dual_main_active_l(struct qap_module* qap_mod)
+{
+   return (qap_mod->stream_in[QAP_IN_MAIN] && qap_mod->stream_in[QAP_IN_MAIN_2]);
+}
+
+//Checks if any main or pcm stream is running in the session.
+static bool is_any_stream_running_l(struct qap_module* qap_mod)
+{
+    //Not checking associated stream.
+    struct stream_out *out = qap_mod->stream_in[QAP_IN_MAIN];
+    struct stream_out *out_pcm = qap_mod->stream_in[QAP_IN_PCM];
+    struct stream_out *out_main2 = qap_mod->stream_in[QAP_IN_MAIN_2];
+
+    if ((out == NULL || (out != NULL && check_stream_state_l(out, STOPPED)))
+        && (out_main2 == NULL || (out_main2 != NULL && check_stream_state_l(out_main2, STOPPED)))
+        && (out_pcm == NULL || (out_pcm != NULL && check_stream_state_l(out_pcm, STOPPED)))) {
+        return false;
+    }
+    return true;
+}
+
+/* Gets the pcm output buffer size(in samples) for the mm module. */
+static uint32_t get_pcm_output_buffer_size_samples_l(struct qap_module *qap_mod)
+{
+    uint32_t pcm_output_buffer_size = 0;
+
+    if (qap_mod == &p_qap->qap_mod[MS12]) {
+        pcm_output_buffer_size = MS12_PCM_OUT_FRAGMENT_SIZE;
+    } else if (qap_mod == &p_qap->qap_mod[DTS_M8]) {
+        pcm_output_buffer_size = DTS_PCM_OUT_FRAGMENT_SIZE;
+    }
+
+    return pcm_output_buffer_size;
+}
+
+static int get_media_fmt_array_index_for_output_id_l(
+        struct qap_module* qap_mod,
+        uint32_t output_id)
+{
+    int i;
+    for (i = 0; i < MAX_SUPPORTED_OUTPUTS; i++) {
+        if (qap_mod->session_outputs_config.output_config[i].id == output_id) {
+            return i;
+        }
+    }
+    return -1;
+}
+
+/* Acquire Mutex lock on output stream */
+static void lock_output_stream_l(struct stream_out *out)
+{
+    pthread_mutex_lock(&out->pre_lock);
+    pthread_mutex_lock(&out->lock);
+    pthread_mutex_unlock(&out->pre_lock);
+}
+
+/* Release Mutex lock on output stream */
+static void unlock_output_stream_l(struct stream_out *out)
+{
+    pthread_mutex_unlock(&out->lock);
+}
+
+/* Checks if stream can be routed as QAP passthrough or not. */
+static bool audio_extn_qap_passthrough_enabled(struct stream_out *out)
+{
+    DEBUG_MSG("Format 0x%x", out->format);
+    bool is_enabled = false;
+
+    if (!p_qap) return false;
+
+    if ((!property_get_bool("vendor.audio.qap.reencode", false))
+        && property_get_bool("vendor.audio.qap.passthrough", false)) {
+
+        if ((out->format == AUDIO_FORMAT_PCM_16_BIT) && (popcount(out->channel_mask) > 2)) {
+            is_enabled = true;
+        } else if (property_get_bool("vendor.audio.offload.passthrough", false)) {
+            switch (out->format) {
+                case AUDIO_FORMAT_AC3:
+                case AUDIO_FORMAT_E_AC3:
+                case AUDIO_FORMAT_DTS:
+                case AUDIO_FORMAT_DTS_HD:
+                case AUDIO_FORMAT_DOLBY_TRUEHD:
+                case AUDIO_FORMAT_IEC61937: {
+                    is_enabled = true;
+                    break;
+                }
+                default:
+                    is_enabled = false;
+                break;
+            }
+        }
+    }
+
+    return is_enabled;
+}
+
+/*Closes all pcm hdmi output from QAP. */
+static void close_all_pcm_hdmi_output_l()
+{
+    int i;
+    //Closing all the PCM HDMI output stream from QAP.
+    for (i = 0; i < MAX_MM_MODULE_TYPE; i++) {
+        if (p_qap->qap_mod[i].stream_out[QAP_OUT_OFFLOAD_MCH]) {
+            adev_close_output_stream((struct audio_hw_device *)p_qap->adev,
+                                     (struct audio_stream_out *)(p_qap->qap_mod[i].stream_out[QAP_OUT_OFFLOAD_MCH]));
+            p_qap->qap_mod[i].stream_out[QAP_OUT_OFFLOAD_MCH] = NULL;
+        }
+
+        if ((p_qap->qap_mod[i].stream_out[QAP_OUT_OFFLOAD])
+            && (p_qap->qap_mod[i].stream_out[QAP_OUT_OFFLOAD]->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL)) {
+            adev_close_output_stream((struct audio_hw_device *)p_qap->adev,
+                                     (struct audio_stream_out *)(p_qap->qap_mod[i].stream_out[QAP_OUT_OFFLOAD]));
+            p_qap->qap_mod[i].stream_out[QAP_OUT_OFFLOAD] = NULL;
+        }
+    }
+
+    p_qap->mch_pcm_hdmi_enabled = 0;
+}
+
+static void close_all_hdmi_output_l()
+{
+    int k;
+    for (k = 0; k < MAX_MM_MODULE_TYPE; k++) {
+        if (p_qap->qap_mod[k].stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]) {
+            adev_close_output_stream((struct audio_hw_device *)p_qap->adev,
+                                     (struct audio_stream_out *)(p_qap->qap_mod[k].stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]));
+            p_qap->qap_mod[k].stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH] = NULL;
+        }
+    }
+    p_qap->passthrough_enabled = 0;
+
+    close_all_pcm_hdmi_output_l();
+}
+
+static int qap_out_callback(stream_callback_event_t event, void *param __unused, void *cookie)
+{
+    struct stream_out *out = (struct stream_out *)cookie;
+
+    out->client_callback(event, NULL, out->client_cookie);
+    return 0;
+}
+
+/* Creates the QAP passthrough output stream. */
+static int create_qap_passthrough_stream_l()
+{
+    DEBUG_MSG("Entry");
+
+    int ret = 0;
+    struct stream_out *out = p_qap->passthrough_in;
+
+    if (!out) return -EINVAL;
+
+    pthread_mutex_lock(&p_qap->lock);
+    lock_output_stream_l(out);
+
+    //Creating QAP passthrough output stream.
+    if (NULL == p_qap->passthrough_out) {
+        audio_output_flags_t flags;
+        struct audio_config config;
+        audio_devices_t devices;
+
+        config.sample_rate = config.offload_info.sample_rate = out->sample_rate;
+        config.offload_info.version = AUDIO_INFO_INITIALIZER.version;
+        config.offload_info.size = AUDIO_INFO_INITIALIZER.size;
+        config.offload_info.format = out->format;
+        config.offload_info.bit_width = out->bit_width;
+        config.format = out->format;
+        config.offload_info.channel_mask = config.channel_mask = out->channel_mask;
+
+        //Device is copied from the QAP passthrough input stream.
+        devices = out->devices;
+        flags = out->flags;
+
+        ret = adev_open_output_stream((struct audio_hw_device *)p_qap->adev,
+                                      QAP_DEFAULT_PASSTHROUGH_HANDLE,
+                                      devices,
+                                      flags,
+                                      &config,
+                                      (struct audio_stream_out **)&(p_qap->passthrough_out),
+                                      NULL);
+        if (ret < 0) {
+            ERROR_MSG("adev_open_output_stream failed with ret = %d!", ret);
+            unlock_output_stream_l(out);
+            return ret;
+        }
+        p_qap->passthrough_in = out;
+        p_qap->passthrough_out->stream.set_callback((struct audio_stream_out *)p_qap->passthrough_out,
+                                                    (stream_callback_t) qap_out_callback, out);
+    }
+
+    unlock_output_stream_l(out);
+
+    //Since QAP-Passthrough is created, close other HDMI outputs.
+    close_all_hdmi_output_l();
+
+    pthread_mutex_unlock(&p_qap->lock);
+    return ret;
+}
+
+
+/* Stops a QAP module stream.*/
+static int audio_extn_qap_stream_stop(struct stream_out *out)
+{
+    int ret = 0;
+    DEBUG_MSG("Output Stream 0x%x", (int)out);
+
+    if (!check_stream_state_l(out, RUN)) return ret;
+
+    struct qap_module *qap_mod = get_qap_module_for_input_stream_l(out);
+
+    if (!qap_mod || !qap_mod->session_handle|| !out->qap_stream_handle) {
+        ERROR_MSG("Wrong state to process qap_mod(%p) sess_hadl(%p) strm hndl(%p)",
+                                qap_mod, qap_mod->session_handle, out->qap_stream_handle);
+        return -EINVAL;
+    }
+
+    ret = qap_module_cmd(out->qap_stream_handle,
+                            QAP_MODULE_CMD_STOP,
+                            sizeof(QAP_MODULE_CMD_STOP),
+                            NULL,
+                            NULL,
+                            NULL);
+    if (QAP_STATUS_OK != ret) {
+        ERROR_MSG("stop failed %d", ret);
+        return -EINVAL;
+    }
+
+    return ret;
+}
+
+static int qap_out_drain(struct audio_stream_out* stream, audio_drain_type_t type)
+{
+    struct stream_out *out = (struct stream_out *)stream;
+    int status = 0;
+    struct qap_module *qap_mod = NULL;
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    DEBUG_MSG("Output Stream %p", out);
+
+    lock_output_stream_l(out);
+
+    //If QAP passthrough is enabled then block the drain on module stream.
+    if (p_qap->passthrough_out) {
+        pthread_mutex_lock(&p_qap->lock);
+        //If drain is received for QAP passthorugh stream then call the primary HAL api.
+        if (p_qap->passthrough_in == out) {
+            status = p_qap->passthrough_out->stream.drain(
+                    (struct audio_stream_out *)p_qap->passthrough_out, type);
+        }
+        pthread_mutex_unlock(&p_qap->lock);
+    } else if (!is_any_stream_running_l(qap_mod)) {
+        //If stream is already stopped then send the drain ready.
+        out->client_callback(STREAM_CBK_EVENT_DRAIN_READY, NULL, out->client_cookie);
+        set_stream_state_l(out, STOPPED);
+    } else {
+        qap_audio_buffer_t *buffer;
+        buffer = (qap_audio_buffer_t *) calloc(1, sizeof(qap_audio_buffer_t));
+        buffer->common_params.offset = 0;
+        buffer->common_params.data = buffer;
+        buffer->common_params.size = 0;
+        buffer->buffer_parms.input_buf_params.flags = QAP_BUFFER_EOS;
+        DEBUG_MSG("Queing EOS buffer %p flags %d size %d", buffer, buffer->buffer_parms.input_buf_params.flags, buffer->common_params.size);
+        status = qap_module_process(out->qap_stream_handle, buffer);
+        if (QAP_STATUS_OK != status) {
+            ERROR_MSG("EOS buffer queing failed%d", status);
+            return -EINVAL;
+        }
+
+        //Drain the module input stream.
+        /* Stream stop will trigger EOS and on EOS_EVENT received
+         from callback DRAIN_READY command is sent */
+        status = audio_extn_qap_stream_stop(out);
+
+        if (status == 0) {
+            //Setting state to stopping as client is expecting drain_ready event.
+            set_stream_state_l(out, STOPPING);
+        }
+    }
+
+    unlock_output_stream_l(out);
+    return status;
+}
+
+
+/* Flush the QAP module input stream. */
+static int audio_extn_qap_stream_flush(struct stream_out *out)
+{
+    DEBUG_MSG("Output Stream %p", out);
+    int ret = -EINVAL;
+    struct qap_module *qap_mod = NULL;
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    if (!qap_mod || !qap_mod->session_handle|| !out->qap_stream_handle) {
+        ERROR_MSG("Wrong state to process qap_mod(%p) sess_hadl(%p) strm hndl(%p)",
+                                qap_mod, qap_mod->session_handle, out->qap_stream_handle);
+        return -EINVAL;
+    }
+
+    ret = qap_module_cmd(out->qap_stream_handle,
+                            QAP_MODULE_CMD_FLUSH,
+                            sizeof(QAP_MODULE_CMD_FLUSH),
+                            NULL,
+                            NULL,
+                            NULL);
+    if (QAP_STATUS_OK != ret) {
+        ERROR_MSG("flush failed %d", ret);
+        return -EINVAL;
+    }
+
+    return ret;
+}
+
+
+/* Pause the QAP module input stream. */
+static int qap_stream_pause_l(struct stream_out *out)
+{
+    struct qap_module *qap_mod = NULL;
+    int ret = -EINVAL;
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    if (!qap_mod || !qap_mod->session_handle|| !out->qap_stream_handle) {
+        ERROR_MSG("Wrong state to process qap_mod(%p) sess_hadl(%p) strm hndl(%p)",
+            qap_mod, qap_mod->session_handle, out->qap_stream_handle);
+        return -EINVAL;
+    }
+
+    ret = qap_module_cmd(out->qap_stream_handle,
+                            QAP_MODULE_CMD_PAUSE,
+                            sizeof(QAP_MODULE_CMD_PAUSE),
+                            NULL,
+                            NULL,
+                            NULL);
+    if (QAP_STATUS_OK != ret) {
+        ERROR_MSG("pause failed %d", ret);
+        return -EINVAL;
+    }
+
+    return ret;
+}
+
+
+/* Flush the QAP input stream. */
+static int qap_out_flush(struct audio_stream_out* stream)
+{
+    struct stream_out *out = (struct stream_out *)stream;
+    int status = 0;
+
+    DEBUG_MSG("Output Stream %p", out);
+    lock_output_stream_l(out);
+
+    if (!out->standby) {
+        //If QAP passthrough is active then block the flush on module input streams.
+        if (p_qap->passthrough_out) {
+            pthread_mutex_lock(&p_qap->lock);
+            //If flush is received for the QAP passthrough stream then call the primary HAL api.
+            if (p_qap->passthrough_in == out) {
+                status = p_qap->passthrough_out->stream.flush(
+                        (struct audio_stream_out *)p_qap->passthrough_out);
+                out->offload_state = OFFLOAD_STATE_IDLE;
+            }
+            pthread_mutex_unlock(&p_qap->lock);
+        } else {
+            //Flush the module input stream.
+            status = audio_extn_qap_stream_flush(out);
+        }
+    }
+    unlock_output_stream_l(out);
+    DEBUG_MSG("Exit");
+    return status;
+}
+
+
+/* Pause a QAP input stream. */
+static int qap_out_pause(struct audio_stream_out* stream)
+{
+    struct stream_out *out = (struct stream_out *)stream;
+    int status = 0;
+    DEBUG_MSG("Output Stream %p", out);
+
+    lock_output_stream_l(out);
+
+    //If QAP passthrough is enabled then block the pause on module stream.
+    if (p_qap->passthrough_out) {
+        pthread_mutex_lock(&p_qap->lock);
+        //If pause is received for QAP passthorugh stream then call the primary HAL api.
+        if (p_qap->passthrough_in == out) {
+            status = p_qap->passthrough_out->stream.pause(
+                    (struct audio_stream_out *)p_qap->passthrough_out);
+            out->offload_state = OFFLOAD_STATE_PAUSED;
+        }
+        pthread_mutex_unlock(&p_qap->lock);
+    } else {
+        //Pause the module input stream.
+        status = qap_stream_pause_l(out);
+    }
+
+    unlock_output_stream_l(out);
+    return status;
+}
+
+static void close_qap_passthrough_stream_l()
+{
+    if (p_qap->passthrough_out != NULL) { //QAP pasthroug is enabled. Close it.
+        pthread_mutex_lock(&p_qap->lock);
+        adev_close_output_stream((struct audio_hw_device *)p_qap->adev,
+                                 (struct audio_stream_out *)(p_qap->passthrough_out));
+        p_qap->passthrough_out = NULL;
+        pthread_mutex_unlock(&p_qap->lock);
+
+        if (p_qap->passthrough_in->qap_stream_handle) {
+            qap_out_pause((struct audio_stream_out*)p_qap->passthrough_in);
+            qap_out_flush((struct audio_stream_out*)p_qap->passthrough_in);
+            qap_out_drain((struct audio_stream_out*)p_qap->passthrough_in,
+                          (audio_drain_type_t)STREAM_CBK_EVENT_DRAIN_READY);
+        }
+    }
+}
+
+static int qap_out_standby(struct audio_stream *stream)
+{
+    struct stream_out *out = (struct stream_out *)stream;
+    struct qap_module *qap_mod = NULL;
+    int status = 0;
+    int i;
+
+    ALOGD("%s: enter: stream (%p) usecase(%d: %s)", __func__,
+          stream, out->usecase, use_case_table[out->usecase]);
+
+    lock_output_stream_l(out);
+
+    //If QAP passthrough is active then block standby on all the input streams of QAP mm modules.
+    if (p_qap->passthrough_out) {
+        //If standby is received on QAP passthrough stream then forward it to primary HAL.
+        if (p_qap->passthrough_in == out) {
+            status = p_qap->passthrough_out->stream.common.standby(
+                    (struct audio_stream *)p_qap->passthrough_out);
+        }
+    } else if (check_stream_state_l(out, RUN)) {
+        //If QAP passthrough stream is not active then stop the QAP module stream.
+        status = audio_extn_qap_stream_stop(out);
+
+        if (status == 0) {
+            //Setting state to stopped as client not expecting drain_ready event.
+            set_stream_state_l(out, STOPPED);
+        }
+        if(p_qap->qap_output_block_handling) {
+            qap_mod = get_qap_module_for_input_stream_l(out);
+            for (i = 0; i < MAX_QAP_MODULE_IN; i++) {
+                if (qap_mod->stream_in[i] != NULL &&
+                    check_stream_state_l(qap_mod->stream_in[i], RUN)) {
+                    break;
+                }
+            }
+
+            if (i != MAX_QAP_MODULE_IN) {
+                DEBUG_MSG("[%s] stream is still active.", use_case_table[qap_mod->stream_in[i]->usecase]);
+            } else {
+                pthread_mutex_lock(&qap_mod->session_output_lock);
+                qap_mod->is_session_output_active = false;
+                pthread_mutex_unlock(&qap_mod->session_output_lock);
+                DEBUG_MSG(" all the input streams are either closed or stopped(standby) block the MM module output");
+            }
+        }
+    }
+
+    if (!out->standby) {
+        out->standby = true;
+    }
+
+    unlock_output_stream_l(out);
+    return status;
+}
+
+/* Sets the volume to PCM output stream. */
+static int qap_out_set_volume(struct audio_stream_out *stream, float left, float right)
+{
+    int ret = 0;
+    struct stream_out *out = (struct stream_out *)stream;
+    struct qap_module *qap_mod = NULL;
+
+    DEBUG_MSG("Left %f, Right %f", left, right);
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    if (!qap_mod) {
+        return -EINVAL;
+    }
+
+    pthread_mutex_lock(&p_qap->lock);
+    qap_mod->vol_left = left;
+    qap_mod->vol_right = right;
+    qap_mod->is_vol_set = true;
+    pthread_mutex_unlock(&p_qap->lock);
+
+    if (qap_mod->stream_out[QAP_OUT_OFFLOAD] != NULL) {
+        ret = qap_mod->stream_out[QAP_OUT_OFFLOAD]->stream.set_volume(
+                (struct audio_stream_out *)qap_mod->stream_out[QAP_OUT_OFFLOAD], left, right);
+    }
+
+    return ret;
+}
+
+/* Starts a QAP module stream. */
+static int qap_stream_start_l(struct stream_out *out)
+{
+    int ret = 0;
+    struct qap_module *qap_mod = NULL;
+
+    DEBUG_MSG("Output Stream = %p", out);
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    if ((!qap_mod) || (!qap_mod->session_handle)) {
+        ERROR_MSG("QAP mod is not inited (%p) or session is not yet opened (%p) ",
+            qap_mod, qap_mod->session_handle);
+        return -EINVAL;
+    }
+    if (out->qap_stream_handle) {
+        ret = qap_module_cmd(out->qap_stream_handle,
+                             QAP_MODULE_CMD_START,
+                             sizeof(QAP_MODULE_CMD_START),
+                             NULL,
+                             NULL,
+                             NULL);
+        if (ret != QAP_STATUS_OK) {
+            ERROR_MSG("start failed");
+            ret = -EINVAL;
+        }
+    } else
+        ERROR_MSG("QAP stream not yet opened, drop this cmd");
+
+    DEBUG_MSG("exit");
+    return ret;
+
+}
+
+static int qap_start_output_stream(struct stream_out *out)
+{
+    int ret = 0;
+    struct audio_device *adev = out->dev;
+
+    if ((out->usecase < 0) || (out->usecase >= AUDIO_USECASE_MAX)) {
+        ret = -EINVAL;
+        DEBUG_MSG("Use case out of bounds sleeping for 500ms");
+        usleep(50000);
+        return ret;
+    }
+
+    ALOGD("%s: enter: stream(%p)usecase(%d: %s) devices(%#x)",
+          __func__, &out->stream, out->usecase, use_case_table[out->usecase],
+          out->devices);
+
+    if (CARD_STATUS_OFFLINE == out->card_status ||
+        CARD_STATUS_OFFLINE == adev->card_status) {
+        ALOGE("%s: sound card is not active/SSR returning error", __func__);
+        ret = -EIO;
+        usleep(50000);
+        return ret;
+    }
+
+    return qap_stream_start_l(out);
+}
+
+/* Sends input buffer to the QAP MM module. */
+static int qap_module_write_input_buffer(struct stream_out *out, const void *buffer, int bytes)
+{
+    int ret = -EINVAL;
+    struct qap_module *qap_mod = NULL;
+    qap_audio_buffer_t buff;
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    if ((!qap_mod) || (!qap_mod->session_handle) || (!out->qap_stream_handle)) {
+        return ret;
+    }
+
+    //If data received on associated stream when all other stream are stopped then drop the data.
+    if (out == qap_mod->stream_in[QAP_IN_ASSOC] && !is_any_stream_running_l(qap_mod))
+        return bytes;
+
+    memset(&buff, 0, sizeof(buff));
+    buff.common_params.offset = 0;
+    buff.common_params.size = bytes;
+    buff.common_params.data = (void *) buffer;
+    buff.common_params.timestamp = QAP_BUFFER_NO_TSTAMP;
+    buff.buffer_parms.input_buf_params.flags = QAP_BUFFER_NO_TSTAMP;
+    DEBUG_MSG("calling module process with bytes %d %p", bytes, buffer);
+    ret  = qap_module_process(out->qap_stream_handle, &buff);
+
+    if(ret > 0) set_stream_state_l(out, RUN);
+
+    return ret;
+}
+
+static ssize_t qap_out_write(struct audio_stream_out *stream, const void *buffer, size_t bytes)
+{
+    struct stream_out *out = (struct stream_out *)stream;
+    struct audio_device *adev = out->dev;
+    ssize_t ret = 0;
+    struct qap_module *qap_mod = NULL;
+
+    DEBUG_MSG_VV("bytes = %d, usecase[%s] and flags[%x] for handle[%p]",
+          (int)bytes, use_case_table[out->usecase], out->flags, out);
+
+    lock_output_stream_l(out);
+
+    // If QAP passthrough is active then block writing data to QAP mm module.
+    if (p_qap->passthrough_out) {
+        //If write is received for the QAP passthrough stream then send the buffer to primary HAL.
+        if (p_qap->passthrough_in == out) {
+            ret = p_qap->passthrough_out->stream.write(
+                    (struct audio_stream_out *)(p_qap->passthrough_out),
+                    buffer,
+                    bytes);
+            if (ret > 0) out->standby = false;
+        }
+        unlock_output_stream_l(out);
+        return ret;
+    } else if (out->standby) {
+        pthread_mutex_lock(&adev->lock);
+        ret = qap_start_output_stream(out);
+        pthread_mutex_unlock(&adev->lock);
+        if (ret == 0) {
+            out->standby = false;
+            if(p_qap->qap_output_block_handling) {
+                qap_mod = get_qap_module_for_input_stream_l(out);
+
+                pthread_mutex_lock(&qap_mod->session_output_lock);
+                if (qap_mod->is_session_output_active == false) {
+                    qap_mod->is_session_output_active = true;
+                    pthread_cond_signal(&qap_mod->session_output_cond);
+                    DEBUG_MSG("Wake up MM module output thread");
+                }
+                pthread_mutex_unlock(&qap_mod->session_output_lock);
+            }
+        } else {
+            goto exit;
+        }
+    }
+
+    if ((adev->is_channel_status_set == false) && (out->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL)) {
+        audio_utils_set_hdmi_channel_status(out, (char *)buffer, bytes);
+        adev->is_channel_status_set = true;
+    }
+
+    ret = qap_module_write_input_buffer(out, buffer, bytes);
+    DEBUG_MSG_VV("Bytes consumed [%d] by MM Module", (int)ret);
+
+    if (ret >= 0) {
+        out->written += ret / ((popcount(out->channel_mask) * sizeof(short)));
+    }
+
+
+exit:
+    unlock_output_stream_l(out);
+
+    if (ret < 0) {
+        if (ret == -EAGAIN) {
+            DEBUG_MSG_VV("No space available to consume bytes, post msg to cb thread");
+            bytes = 0;
+        } else if (ret == -ENOMEM || ret == -EPERM) {
+            if (out->pcm)
+                ERROR_MSG("error %d, %s", (int)ret, pcm_get_error(out->pcm));
+            qap_out_standby(&out->stream.common);
+            DEBUG_MSG("SLEEP for 100sec");
+            usleep(bytes * 1000000
+                   / audio_stream_out_frame_size(stream)
+                   / out->stream.common.get_sample_rate(&out->stream.common));
+        }
+    } else if (ret < (ssize_t)bytes) {
+        //partial buffer copied to the module.
+        DEBUG_MSG_VV("Not enough space available to consume all the bytes");
+        bytes = ret;
+    }
+    return bytes;
+}
+
+/* Gets PCM offload buffer size for a given config. */
+static uint32_t qap_get_pcm_offload_buffer_size(audio_offload_info_t* info,
+                                                uint32_t samples_per_frame)
+{
+    uint32_t fragment_size = 0;
+
+    fragment_size = (samples_per_frame * (info->bit_width >> 3) * popcount(info->channel_mask));
+
+    if (fragment_size < MIN_PCM_OFFLOAD_FRAGMENT_SIZE)
+        fragment_size = MIN_PCM_OFFLOAD_FRAGMENT_SIZE;
+    else if (fragment_size > MAX_PCM_OFFLOAD_FRAGMENT_SIZE)
+        fragment_size = MAX_PCM_OFFLOAD_FRAGMENT_SIZE;
+
+    // To have same PCM samples for all channels, the buffer size requires to
+    // be multiple of (number of channels * bytes per sample)
+    // For writes to succeed, the buffer must be written at address which is multiple of 32
+    fragment_size = ALIGN(fragment_size,
+                          ((info->bit_width >> 3) * popcount(info->channel_mask) * 32));
+
+    ALOGI("Qap PCM offload Fragment size is %d bytes", fragment_size);
+
+    return fragment_size;
+}
+
+static uint32_t qap_get_pcm_offload_input_buffer_size(audio_offload_info_t* info)
+{
+    return qap_get_pcm_offload_buffer_size(info, MS12_PCM_IN_FRAGMENT_SIZE);
+}
+
+static uint32_t qap_get_pcm_offload_output_buffer_size(struct qap_module *qap_mod,
+                                                audio_offload_info_t* info)
+{
+    return qap_get_pcm_offload_buffer_size(info, get_pcm_output_buffer_size_samples_l(qap_mod));
+}
+
+/* Gets buffer latency in samples. */
+static int get_buffer_latency(struct stream_out *out, uint32_t buffer_size, uint32_t *latency)
+{
+    unsigned long int samples_in_one_encoded_frame;
+    unsigned long int size_of_one_encoded_frame;
+
+    switch (out->format) {
+        case AUDIO_FORMAT_AC3:
+            samples_in_one_encoded_frame = DD_FRAME_SIZE;
+            size_of_one_encoded_frame = DD_ENCODER_OUTPUT_SIZE;
+        break;
+        case AUDIO_FORMAT_E_AC3:
+            samples_in_one_encoded_frame = DDP_FRAME_SIZE;
+            size_of_one_encoded_frame = DDP_ENCODER_OUTPUT_SIZE;
+        break;
+        case AUDIO_FORMAT_DTS:
+            samples_in_one_encoded_frame = DTS_FRAME_SIZE;
+            size_of_one_encoded_frame = DTS_ENCODER_OUTPUT_SIZE;
+        break;
+        case AUDIO_FORMAT_DTS_HD:
+            samples_in_one_encoded_frame = DTSHD_FRAME_SIZE;
+            size_of_one_encoded_frame = DTSHD_ENCODER_OUTPUT_SIZE;
+        break;
+        case AUDIO_FORMAT_PCM_16_BIT:
+            samples_in_one_encoded_frame = 1;
+            size_of_one_encoded_frame = ((out->bit_width) >> 3) * popcount(out->channel_mask);
+        break;
+        default:
+            *latency = 0;
+            return (-EINVAL);
+    }
+
+    *latency = ((buffer_size * samples_in_one_encoded_frame) / size_of_one_encoded_frame);
+    return 0;
+}
+
+/* Returns the number of frames rendered to outside observer. */
+static int qap_get_rendered_frames(struct stream_out *out, uint64_t *frames)
+{
+    int ret = 0, i;
+    struct str_parms *parms;
+//    int value = 0;
+    int module_latency = 0;
+    uint32_t kernel_latency = 0;
+    uint32_t dsp_latency = 0;
+    int signed_frames = 0;
+    char* kvpairs = NULL;
+    struct qap_module *qap_mod = NULL;
+
+    DEBUG_MSG("Output Format %d", out->format);
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    if (!qap_mod || !qap_mod->session_handle|| !out->qap_stream_handle) {
+        ERROR_MSG("Wrong state to process qap_mod(%p) sess_hadl(%p) strm hndl(%p)",
+            qap_mod, qap_mod->session_handle, out->qap_stream_handle);
+        return -EINVAL;
+    }
+
+    //Get MM module latency.
+/* Tobeported
+    kvpairs = qap_mod->qap_audio_stream_get_param(out->qap_stream_handle, "get_latency");
+*/
+    if (kvpairs) {
+        parms = str_parms_create_str(kvpairs);
+        ret = str_parms_get_int(parms, "get_latency", &module_latency);
+        if (ret >= 0) {
+            str_parms_destroy(parms);
+            parms = NULL;
+        }
+        free(kvpairs);
+        kvpairs = NULL;
+    }
+
+    //Get kernel Latency
+    for (i = MAX_QAP_MODULE_OUT - 1; i >= 0; i--) {
+        if (qap_mod->stream_out[i] == NULL) {
+            continue;
+        } else {
+            unsigned int num_fragments = qap_mod->stream_out[i]->compr_config.fragments;
+            uint32_t fragment_size = qap_mod->stream_out[i]->compr_config.fragment_size;
+            uint32_t kernel_buffer_size = num_fragments * fragment_size;
+            get_buffer_latency(qap_mod->stream_out[i], kernel_buffer_size, &kernel_latency);
+            break;
+        }
+    }
+
+    //Get DSP latency
+    if ((qap_mod->stream_out[QAP_OUT_OFFLOAD] != NULL)
+        || (qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH] != NULL)) {
+        unsigned int sample_rate = 0;
+        audio_usecase_t platform_latency = 0;
+
+        if (qap_mod->stream_out[QAP_OUT_OFFLOAD])
+            sample_rate = qap_mod->stream_out[QAP_OUT_OFFLOAD]->sample_rate;
+        else if (qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH])
+            sample_rate = qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]->sample_rate;
+
+        if (qap_mod->stream_out[QAP_OUT_OFFLOAD])
+            platform_latency =
+                platform_render_latency(qap_mod->stream_out[QAP_OUT_OFFLOAD]->usecase);
+        else
+            platform_latency =
+                platform_render_latency(qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]->usecase);
+
+        dsp_latency = (platform_latency * sample_rate) / 1000000LL;
+    } else if (qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH] != NULL) {
+        unsigned int sample_rate = 0;
+
+        sample_rate = qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]->sample_rate; //TODO: How this sample rate can be used?
+        dsp_latency = (COMPRESS_OFFLOAD_PLAYBACK_LATENCY * sample_rate) / 1000;
+    }
+
+    // MM Module Latency + Kernel Latency + DSP Latency
+    if ( audio_extn_bt_hal_get_output_stream(qap_mod->bt_hdl) != NULL) {
+        out->platform_latency = module_latency + audio_extn_bt_hal_get_latency(qap_mod->bt_hdl);
+    } else {
+        out->platform_latency = (uint32_t)module_latency + kernel_latency + dsp_latency;
+    }
+
+    if (out->format & AUDIO_FORMAT_PCM_16_BIT) {
+        *frames = 0;
+        signed_frames = out->written - out->platform_latency;
+        // It would be unusual for this value to be negative, but check just in case ...
+        if (signed_frames >= 0) {
+            *frames = signed_frames;
+        }
+/* Tobeported
+        }
+        else {
+
+        kvpairs = qap_mod->qap_audio_stream_get_param(out->qap_stream_handle, "position");
+    if (kvpairs) {
+        parms = str_parms_create_str(kvpairs);
+        ret = str_parms_get_int(parms, "position", &value);
+        if (ret >= 0) {
+            *frames = value;
+            signed_frames = value - out->platform_latency;
+            // It would be unusual for this value to be negative, but check just in case ...
+            if (signed_frames >= 0) {
+                *frames = signed_frames;
+            }
+        }
+        str_parms_destroy(parms);
+    }
+*/
+    } else {
+        ret = -EINVAL;
+    }
+
+    return ret;
+}
+
+static int qap_out_get_render_position(const struct audio_stream_out *stream,
+                                   uint32_t *dsp_frames)
+{
+    struct stream_out *out = (struct stream_out *)stream;
+    int ret = 0;
+    uint64_t frames=0;
+    struct qap_module* qap_mod = NULL;
+    ALOGV("%s, Output Stream %p,dsp frames %d",__func__, stream, (int)dsp_frames);
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    if (!qap_mod) {
+        ret = out->stream.get_render_position(stream, dsp_frames);
+        ALOGV("%s, non qap_MOD DSP FRAMES %d",__func__, (int)dsp_frames);
+        return ret;
+    }
+
+    if (p_qap->passthrough_out) {
+        pthread_mutex_lock(&p_qap->lock);
+        ret = p_qap->passthrough_out->stream.get_render_position((struct audio_stream_out *)p_qap->passthrough_out, dsp_frames);
+        pthread_mutex_unlock(&p_qap->lock);
+        ALOGV("%s, PASS THROUGH DSP FRAMES %p",__func__, dsp_frames);
+        return ret;
+        }
+    frames=*dsp_frames;
+    ret = qap_get_rendered_frames(out, &frames);
+    *dsp_frames = (uint32_t)frames;
+    ALOGV("%s, DSP FRAMES %d",__func__, (int)dsp_frames);
+    return ret;
+}
+
+static int qap_out_get_presentation_position(const struct audio_stream_out *stream,
+                                             uint64_t *frames,
+                                             struct timespec *timestamp)
+{
+    struct stream_out *out = (struct stream_out *)stream;
+    int ret = 0;
+
+//    DEBUG_MSG_VV("Output Stream %p", stream);
+
+    //If QAP passthorugh output stream is active.
+    if (p_qap->passthrough_out) {
+        if (p_qap->passthrough_in == out) {
+            //If api is called for QAP passthorugh stream then call the primary HAL api to get the position.
+            pthread_mutex_lock(&p_qap->lock);
+            ret = p_qap->passthrough_out->stream.get_presentation_position(
+                    (struct audio_stream_out *)p_qap->passthrough_out,
+                    frames,
+                    timestamp);
+            pthread_mutex_unlock(&p_qap->lock);
+        } else {
+            //If api is called for other stream then return zero frames.
+            *frames = 0;
+            clock_gettime(CLOCK_MONOTONIC, timestamp);
+        }
+        return ret;
+    }
+
+    ret = qap_get_rendered_frames(out, frames);
+    clock_gettime(CLOCK_MONOTONIC, timestamp);
+
+    return ret;
+}
+
+static uint32_t qap_out_get_latency(const struct audio_stream_out *stream)
+{
+    struct stream_out *out = (struct stream_out *)stream;
+    uint32_t latency = 0;
+    struct qap_module *qap_mod = NULL;
+    DEBUG_MSG_VV("Output Stream %p", out);
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    if (!qap_mod) {
+        return 0;
+    }
+
+    //If QAP passthrough is active then block the get latency on module input streams.
+    if (p_qap->passthrough_out) {
+        pthread_mutex_lock(&p_qap->lock);
+        //If get latency is called for the QAP passthrough stream then call the primary HAL api.
+        if (p_qap->passthrough_in == out) {
+            latency = p_qap->passthrough_out->stream.get_latency(
+                    (struct audio_stream_out *)p_qap->passthrough_out);
+        }
+        pthread_mutex_unlock(&p_qap->lock);
+    } else {
+        if (is_offload_usecase(out->usecase)) {
+            latency = COMPRESS_OFFLOAD_PLAYBACK_LATENCY;
+        } else {
+            uint32_t sample_rate = 0;
+            latency = QAP_MODULE_PCM_INPUT_BUFFER_LATENCY; //Input latency
+
+            if (qap_mod->stream_out[QAP_OUT_OFFLOAD])
+                sample_rate = qap_mod->stream_out[QAP_OUT_OFFLOAD]->sample_rate;
+            else if (qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH])
+                sample_rate = qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]->sample_rate;
+
+            if (sample_rate) {
+                latency += (get_pcm_output_buffer_size_samples_l(qap_mod) * 1000) / out->sample_rate;
+            }
+        }
+
+        if ( audio_extn_bt_hal_get_output_stream(qap_mod->bt_hdl) != NULL) {
+            if (is_offload_usecase(out->usecase)) {
+                latency = audio_extn_bt_hal_get_latency(qap_mod->bt_hdl) +
+                QAP_COMPRESS_OFFLOAD_PROCESSING_LATENCY;
+            } else {
+                latency = audio_extn_bt_hal_get_latency(qap_mod->bt_hdl) +
+                QAP_PCM_OFFLOAD_PROCESSING_LATENCY;
+            }
+        }
+    }
+
+    DEBUG_MSG_VV("Latency %d", latency);
+    return latency;
+}
+
+static bool qap_check_and_get_compressed_device_format(int device, int *format)
+{
+    switch (device) {
+        case (AUDIO_DEVICE_OUT_AUX_DIGITAL | QAP_AUDIO_FORMAT_AC3):
+            *format = AUDIO_FORMAT_AC3;
+            return true;
+        case (AUDIO_DEVICE_OUT_AUX_DIGITAL | QAP_AUDIO_FORMAT_EAC3):
+            *format = AUDIO_FORMAT_E_AC3;
+            return true;
+        case (AUDIO_DEVICE_OUT_AUX_DIGITAL | QAP_AUDIO_FORMAT_DTS):
+            *format = AUDIO_FORMAT_DTS;
+            return true;
+        default:
+            return false;
+    }
+}
+
+static void set_out_stream_channel_map(struct stream_out *out, qap_output_config_t * media_fmt)
+{
+    if (media_fmt == NULL || out == NULL) {
+        return;
+    }
+    struct audio_out_channel_map_param chmap = {0,{0}};
+    int i = 0;
+    chmap.channels = media_fmt->channels;
+    for (i = 0; i < chmap.channels && i < AUDIO_CHANNEL_COUNT_MAX && i < AUDIO_QAF_MAX_CHANNELS;
+            i++) {
+        chmap.channel_map[i] = media_fmt->ch_map[i];
+    }
+    audio_extn_utils_set_channel_map(out, &chmap);
+}
+
+bool audio_extn_is_qap_enabled()
+{
+    bool prop_enabled = false;
+    char value[PROPERTY_VALUE_MAX] = {0};
+    property_get("vendor.audio.qap.enabled", value, NULL);
+    prop_enabled = atoi(value) || !strncmp("true", value, 4);
+    DEBUG_MSG("%d", prop_enabled);
+    return (prop_enabled);
+}
+
+void static qap_close_all_output_streams(struct qap_module *qap_mod)
+{
+    int i =0;
+    struct stream_out *stream_out = NULL;
+    DEBUG_MSG("Entry");
+
+    for (i = 0; i < MAX_QAP_MODULE_OUT; i++) {
+        stream_out = qap_mod->stream_out[i];
+        if (stream_out != NULL) {
+            adev_close_output_stream((struct audio_hw_device *)p_qap->adev, (struct audio_stream_out *)stream_out);
+            DEBUG_MSG("Closed outputenum=%d session 0x%x %s",
+                    i, (int)stream_out, use_case_table[stream_out->usecase]);
+            qap_mod->stream_out[i] = NULL;
+        }
+        memset(&qap_mod->session_outputs_config.output_config[i], 0, sizeof(qap_session_outputs_config_t));
+        qap_mod->is_media_fmt_changed[i] = false;
+    }
+    DEBUG_MSG("exit");
+}
+
+/* Call back function for mm module. */
+static void qap_session_callback(qap_session_handle_t session_handle __unused,
+                                  void *prv_data,
+                                 qap_callback_event_t event_id,
+                                  int size,
+                                  void *data)
+{
+
+    /*
+     For SPKR:
+     1. Open pcm device if device_id passed to it SPKR and write the data to
+     pcm device
+
+     For HDMI
+     1.Open compress device for HDMI(PCM or AC3) based on current hdmi o/p format and write
+     data to the HDMI device.
+     */
+    int ret;
+    audio_output_flags_t flags;
+    struct qap_module* qap_mod = (struct qap_module*)prv_data;
+    struct audio_stream_out *bt_stream = NULL;
+    int format;
+    int8_t *data_buffer_p = NULL;
+    uint32_t buffer_size = 0;
+    bool need_to_recreate_stream = false;
+    struct audio_config config;
+    qap_output_config_t *new_conf = NULL;
+    qap_audio_buffer_t *buffer = (qap_audio_buffer_t *) data;
+    uint32_t device = 0;
+
+    if (qap_mod->is_session_closing) {
+        DEBUG_MSG("Dropping event as session is closing."
+                "Event = 0x%X, Bytes to write %d", event_id, size);
+        return;
+    }
+
+    if(p_qap->qap_output_block_handling) {
+        pthread_mutex_lock(&qap_mod->session_output_lock);
+        if (!qap_mod->is_session_output_active) {
+            qap_close_all_output_streams(qap_mod);
+            DEBUG_MSG("disabling MM module output by blocking the output thread");
+            pthread_cond_wait(&qap_mod->session_output_cond, &qap_mod->session_output_lock);
+            DEBUG_MSG("MM module output Enabled, output thread active");
+        }
+        pthread_mutex_unlock(&qap_mod->session_output_lock);
+    }
+
+    /* Default config initialization. */
+    config.sample_rate = config.offload_info.sample_rate = QAP_OUTPUT_SAMPLING_RATE;
+    config.offload_info.version = AUDIO_INFO_INITIALIZER.version;
+    config.offload_info.size = AUDIO_INFO_INITIALIZER.size;
+    config.format = config.offload_info.format = AUDIO_FORMAT_PCM_16_BIT;
+    config.offload_info.bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
+    config.offload_info.channel_mask = config.channel_mask = AUDIO_CHANNEL_OUT_STEREO;
+
+    pthread_mutex_lock(&p_qap->lock);
+
+    if (event_id == QAP_CALLBACK_EVENT_OUTPUT_CFG_CHANGE) {
+        new_conf = &buffer->buffer_parms.output_buf_params.output_config;
+        qap_output_config_t *cached_conf = NULL;
+        int index = -1;
+
+        DEBUG_MSG("Received QAP_CALLBACK_EVENT_OUTPUT_CFG_CHANGE event for output id=0x%x",
+                buffer->buffer_parms.output_buf_params.output_id);
+
+        DEBUG_MSG("sample rate=%d bitwidth=%d format = %d channels =0x%x",
+            new_conf->sample_rate,
+            new_conf->bit_width,
+            new_conf->format,
+            new_conf->channels);
+
+        if ( (uint32_t)size < sizeof(qap_output_config_t)) {
+            ERROR_MSG("Size is not proper for the event AUDIO_OUTPUT_MEDIA_FORMAT_EVENT.");
+            return ;
+        }
+
+        index = get_media_fmt_array_index_for_output_id_l(qap_mod, buffer->buffer_parms.output_buf_params.output_id);
+
+        DEBUG_MSG("index = %d", index);
+
+        if (index >= 0) {
+            cached_conf = &qap_mod->session_outputs_config.output_config[index];
+        } else if (index < 0 && qap_mod->new_out_format_index < MAX_QAP_MODULE_OUT) {
+            index = qap_mod->new_out_format_index;
+            cached_conf = &qap_mod->session_outputs_config.output_config[index];
+            qap_mod->new_out_format_index++;
+        }
+
+        if (cached_conf == NULL) {
+            ERROR_MSG("Maximum output from a QAP module is reached. Can not process new output.");
+            return ;
+        }
+
+        if (memcmp(cached_conf, new_conf, sizeof(qap_output_config_t)) != 0) {
+            memcpy(cached_conf, new_conf, sizeof(qap_output_config_t));
+            qap_mod->is_media_fmt_changed[index] = true;
+        }
+    } else if (event_id == QAP_CALLBACK_EVENT_DATA) {
+        data_buffer_p = (int8_t*)buffer->common_params.data+buffer->common_params.offset;
+        buffer_size = buffer->common_params.size;
+        device = buffer->buffer_parms.output_buf_params.output_id;
+
+        DEBUG_MSG_VV("Received QAP_CALLBACK_EVENT_DATA event buff size(%d) for outputid=0x%x",
+            buffer_size, buffer->buffer_parms.output_buf_params.output_id);
+
+        if (buffer && buffer->common_params.data) {
+            int index = -1;
+
+            index = get_media_fmt_array_index_for_output_id_l(qap_mod, buffer->buffer_parms.output_buf_params.output_id);
+            DEBUG_MSG("index = %d", index);
+            if (index > -1 && qap_mod->is_media_fmt_changed[index]) {
+                DEBUG_MSG("FORMAT changed, recreate stream");
+                need_to_recreate_stream = true;
+                qap_mod->is_media_fmt_changed[index] = false;
+
+                qap_output_config_t *new_config = &qap_mod->session_outputs_config.output_config[index];
+
+                config.sample_rate = config.offload_info.sample_rate = new_config->sample_rate;
+                config.offload_info.version = AUDIO_INFO_INITIALIZER.version;
+                config.offload_info.size = AUDIO_INFO_INITIALIZER.size;
+                config.offload_info.bit_width = new_config->bit_width;
+
+                if (new_config->format == QAP_AUDIO_FORMAT_PCM_16_BIT) {
+                    if (new_config->bit_width == 16)
+                        config.format = config.offload_info.format = AUDIO_FORMAT_PCM_16_BIT;
+                    else if (new_config->bit_width == 24)
+                        config.format = config.offload_info.format = AUDIO_FORMAT_PCM_24_BIT_PACKED;
+                    else
+                        config.format = config.offload_info.format = AUDIO_FORMAT_PCM_32_BIT;
+                } else if (new_config->format  == QAP_AUDIO_FORMAT_AC3)
+                    config.format = config.offload_info.format = AUDIO_FORMAT_AC3;
+                else if (new_config->format  == QAP_AUDIO_FORMAT_EAC3)
+                    config.format = config.offload_info.format = AUDIO_FORMAT_E_AC3;
+                else if (new_config->format  == QAP_AUDIO_FORMAT_DTS)
+                    config.format = config.offload_info.format = AUDIO_FORMAT_DTS;
+
+                device |= (new_config->format & AUDIO_FORMAT_MAIN_MASK);
+
+                config.channel_mask = audio_channel_out_mask_from_count(new_config->channels);
+                config.offload_info.channel_mask = config.channel_mask;
+                DEBUG_MSG("sample rate=%d bitwidth=%d format = %d channels=%d channel_mask=%d device =0x%x",
+                    config.sample_rate,
+                    config.offload_info.bit_width,
+                    config.offload_info.format,
+                    new_config->channels,
+                    config.channel_mask,
+                    device);
+            }
+        }
+
+        if (p_qap->passthrough_out != NULL) {
+            //If QAP passthrough is active then all the module output will be dropped.
+            pthread_mutex_unlock(&p_qap->lock);
+            DEBUG_MSG("QAP-PSTH is active, DROPPING DATA!");
+            return;
+        }
+
+        if (qap_check_and_get_compressed_device_format(device, &format)) {
+            /*
+             * CASE 1: Transcoded output of mm module.
+             * If HDMI is not connected then drop the data.
+             * Only one HDMI output can be supported from all the mm modules of QAP.
+             * Multi-Channel PCM HDMI output streams will be closed from all the mm modules.
+             * If transcoded output of other module is already enabled then this data will be dropped.
+             */
+
+            if (!p_qap->hdmi_connect) {
+                DEBUG_MSG("HDMI not connected, DROPPING DATA!");
+                pthread_mutex_unlock(&p_qap->lock);
+                return;
+            }
+
+            //Closing all the PCM HDMI output stream from QAP.
+            close_all_pcm_hdmi_output_l();
+
+            /* If Media format was changed for this stream then need to re-create the stream. */
+            if (need_to_recreate_stream && qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]) {
+                DEBUG_MSG("closing Transcode Passthrough session ox%x",
+                    (int)qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]);
+                adev_close_output_stream((struct audio_hw_device *)p_qap->adev,
+                                         (struct audio_stream_out *)(qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]));
+                qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH] = NULL;
+                p_qap->passthrough_enabled = false;
+            }
+
+            if (!p_qap->passthrough_enabled
+                && !(qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH])) {
+
+                audio_devices_t devices;
+
+                config.format = config.offload_info.format = format;
+                config.offload_info.channel_mask = config.channel_mask = AUDIO_CHANNEL_OUT_5POINT1;
+
+                flags = (AUDIO_OUTPUT_FLAG_NON_BLOCKING
+                         | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD
+                         | AUDIO_OUTPUT_FLAG_DIRECT
+                         | AUDIO_OUTPUT_FLAG_COMPRESS_PASSTHROUGH);
+                devices = AUDIO_DEVICE_OUT_AUX_DIGITAL;
+
+                DEBUG_MSG("Opening Transcode Passthrough out(outputenum=%d) session 0x%x with below params",
+                        QAP_OUT_TRANSCODE_PASSTHROUGH,
+                        (int)qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]);
+
+                DEBUG_MSG("sample rate=%d bitwidth=%d format = 0x%x channel mask=0x%x flags=0x%x device =0x%x",
+                    config.sample_rate,
+                    config.offload_info.bit_width,
+                    config.offload_info.format,
+                    config.offload_info.channel_mask,
+                    flags,
+                    devices);
+
+                ret = adev_open_output_stream((struct audio_hw_device *)p_qap->adev,
+                                              QAP_DEFAULT_COMPR_PASSTHROUGH_HANDLE,
+                                              devices,
+                                              flags,
+                                              &config,
+                                              (struct audio_stream_out **)&(qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]),
+                                              NULL);
+                if (ret < 0) {
+                    ERROR_MSG("Failed opening Transcode Passthrough out(outputenum=%d) session 0x%x",
+                            QAP_OUT_TRANSCODE_PASSTHROUGH,
+                            (int)qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]);
+                    pthread_mutex_unlock(&p_qap->lock);
+                    return;
+                } else
+                    DEBUG_MSG("Opened Transcode Passthrough out(outputenum=%d) session 0x%x",
+                            QAP_OUT_TRANSCODE_PASSTHROUGH,
+                            (int)qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]);
+
+
+                if (format == AUDIO_FORMAT_E_AC3) {
+                    qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]->compr_config.fragment_size =
+                            COMPRESS_PASSTHROUGH_DDP_FRAGMENT_SIZE;
+                }
+                qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]->compr_config.fragments =
+                        COMPRESS_OFFLOAD_NUM_FRAGMENTS;
+
+                p_qap->passthrough_enabled = true;
+            }
+
+            if (qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]) {
+                DEBUG_MSG_VV("Writing Bytes(%d) to QAP_OUT_TRANSCODE_PASSTHROUGH output(%p) buff ptr(%p)",
+                    buffer_size, qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH],
+                    data_buffer_p);
+                ret = qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH]->stream.write(
+                        (struct audio_stream_out *)qap_mod->stream_out[QAP_OUT_TRANSCODE_PASSTHROUGH],
+                        data_buffer_p,
+                        buffer_size);
+            }
+        }
+        else if ((device & AUDIO_DEVICE_OUT_AUX_DIGITAL)
+                   && (p_qap->hdmi_connect)
+                   && (p_qap->hdmi_sink_channels > 2)) {
+
+            /* CASE 2: Multi-Channel PCM output to HDMI.
+             * If any other HDMI output is already enabled then this has to be dropped.
+             */
+
+            if (p_qap->passthrough_enabled) {
+                //Closing all the multi-Channel PCM HDMI output stream from QAP.
+                close_all_pcm_hdmi_output_l();
+
+                //If passthrough is active then pcm hdmi output has to be dropped.
+                pthread_mutex_unlock(&p_qap->lock);
+                DEBUG_MSG("Compressed passthrough enabled, DROPPING DATA!");
+                return;
+            }
+
+            /* If Media format was changed for this stream then need to re-create the stream. */
+            if (need_to_recreate_stream && qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]) {
+                DEBUG_MSG("closing MCH PCM session ox%x", (int)qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]);
+                adev_close_output_stream((struct audio_hw_device *)p_qap->adev,
+                                         (struct audio_stream_out *)(qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]));
+                qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH] = NULL;
+                p_qap->mch_pcm_hdmi_enabled = false;
+            }
+
+            if (!p_qap->mch_pcm_hdmi_enabled && !(qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH])) {
+                audio_devices_t devices;
+
+                if (event_id == AUDIO_DATA_EVENT) {
+                    config.offload_info.format = config.format = AUDIO_FORMAT_PCM_16_BIT;
+
+                    if (p_qap->hdmi_sink_channels == 8) {
+                        config.offload_info.channel_mask = config.channel_mask =
+                                AUDIO_CHANNEL_OUT_7POINT1;
+                    } else if (p_qap->hdmi_sink_channels == 6) {
+                        config.offload_info.channel_mask = config.channel_mask =
+                                AUDIO_CHANNEL_OUT_5POINT1;
+                    } else {
+                        config.offload_info.channel_mask = config.channel_mask =
+                                AUDIO_CHANNEL_OUT_STEREO;
+                    }
+                }
+
+                devices = AUDIO_DEVICE_OUT_AUX_DIGITAL;
+                flags = AUDIO_OUTPUT_FLAG_DIRECT;
+
+                DEBUG_MSG("Opening MCH PCM out(outputenum=%d) session ox%x with below params",
+                    QAP_OUT_OFFLOAD_MCH,
+                    (int)qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]);
+
+                DEBUG_MSG("sample rate=%d bitwidth=%d format = 0x%x channel mask=0x%x flags=0x%x device =0x%x",
+                    config.sample_rate,
+                    config.offload_info.bit_width,
+                    config.offload_info.format,
+                    config.offload_info.channel_mask,
+                    flags,
+                    devices);
+
+                ret = adev_open_output_stream((struct audio_hw_device *)p_qap->adev,
+                                              QAP_DEFAULT_COMPR_AUDIO_HANDLE,
+                                              devices,
+                                              flags,
+                                              &config,
+                                              (struct audio_stream_out **)&(qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]),
+                                              NULL);
+                if (ret < 0) {
+                    ERROR_MSG("Failed opening MCH PCM out(outputenum=%d) session ox%x",
+                        QAP_OUT_OFFLOAD_MCH,
+                        (int)qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]);
+                    pthread_mutex_unlock(&p_qap->lock);
+                    return;
+                    } else
+                        DEBUG_MSG("Opened MCH PCM out(outputenum=%d) session ox%x",
+                            QAP_OUT_OFFLOAD_MCH,
+                            (int)qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]);
+
+                set_out_stream_channel_map(qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH], new_conf);
+
+                qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]->compr_config.fragments =
+                        COMPRESS_OFFLOAD_NUM_FRAGMENTS;
+                qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]->compr_config.fragment_size =
+                        qap_get_pcm_offload_output_buffer_size(qap_mod, &config.offload_info);
+
+                p_qap->mch_pcm_hdmi_enabled = true;
+
+                if ((qap_mod->stream_in[QAP_IN_MAIN]
+                    && qap_mod->stream_in[QAP_IN_MAIN]->client_callback != NULL) ||
+                    (qap_mod->stream_in[QAP_IN_MAIN_2]
+                    && qap_mod->stream_in[QAP_IN_MAIN_2]->client_callback != NULL)) {
+
+                    if (qap_mod->stream_in[QAP_IN_MAIN]) {
+                        qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]->stream.set_callback(
+                            (struct audio_stream_out *)qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH],
+                            qap_mod->stream_in[QAP_IN_MAIN]->client_callback,
+                            qap_mod->stream_in[QAP_IN_MAIN]->client_cookie);
+                    }
+                    if (qap_mod->stream_in[QAP_IN_MAIN_2]) {
+                        qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]->stream.set_callback(
+                            (struct audio_stream_out *)qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH],
+                            qap_mod->stream_in[QAP_IN_MAIN_2]->client_callback,
+                            qap_mod->stream_in[QAP_IN_MAIN_2]->client_cookie);
+                    }
+                } else if (qap_mod->stream_in[QAP_IN_PCM]
+                           && qap_mod->stream_in[QAP_IN_PCM]->client_callback != NULL) {
+
+                    qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]->stream.set_callback(
+                            (struct audio_stream_out *)qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH],
+                            qap_mod->stream_in[QAP_IN_PCM]->client_callback,
+                            qap_mod->stream_in[QAP_IN_PCM]->client_cookie);
+                }
+            }
+            if (qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]) {
+                DEBUG_MSG_VV("Writing Bytes(%d) to QAP_OUT_OFFLOAD_MCH output(%p) buff ptr(%p)",
+                    buffer_size, qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH],
+                    data_buffer_p);
+                ret = qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH]->stream.write(
+                        (struct audio_stream_out *)qap_mod->stream_out[QAP_OUT_OFFLOAD_MCH],
+                        data_buffer_p,
+                        buffer_size);
+            }
+        }
+        else {
+            /* CASE 3: PCM output.
+             */
+
+            /* If Media format was changed for this stream then need to re-create the stream. */
+            if (need_to_recreate_stream && qap_mod->stream_out[QAP_OUT_OFFLOAD]) {
+                DEBUG_MSG("closing PCM session ox%x", (int)qap_mod->stream_out[QAP_OUT_OFFLOAD]);
+                adev_close_output_stream((struct audio_hw_device *)p_qap->adev,
+                                         (struct audio_stream_out *)(qap_mod->stream_out[QAP_OUT_OFFLOAD]));
+                qap_mod->stream_out[QAP_OUT_OFFLOAD] = NULL;
+            }
+
+            bt_stream = audio_extn_bt_hal_get_output_stream(qap_mod->bt_hdl);
+            if (bt_stream != NULL) {
+                if (qap_mod->stream_out[QAP_OUT_OFFLOAD]) {
+                    adev_close_output_stream((struct audio_hw_device *)p_qap->adev,
+                                             (struct audio_stream_out *)(qap_mod->stream_out[QAP_OUT_OFFLOAD]));
+                    qap_mod->stream_out[QAP_OUT_OFFLOAD] = NULL;
+                }
+
+                audio_extn_bt_hal_out_write(p_qap->bt_hdl, data_buffer_p, buffer_size);
+            } else if (NULL == qap_mod->stream_out[QAP_OUT_OFFLOAD]) {
+                audio_devices_t devices;
+
+                if (qap_mod->stream_in[QAP_IN_MAIN])
+                    devices = qap_mod->stream_in[QAP_IN_MAIN]->devices;
+                else
+                    devices = qap_mod->stream_in[QAP_IN_PCM]->devices;
+
+                //If multi channel pcm or passthrough is already enabled then remove the hdmi flag from device.
+                if (p_qap->mch_pcm_hdmi_enabled || p_qap->passthrough_enabled) {
+                    if (devices & AUDIO_DEVICE_OUT_AUX_DIGITAL)
+                        devices ^= AUDIO_DEVICE_OUT_AUX_DIGITAL;
+                }
+                if (devices == 0) {
+                    devices = device;
+                }
+
+                flags = AUDIO_OUTPUT_FLAG_DIRECT;
+
+
+                DEBUG_MSG("Opening Stereo PCM out(outputenum=%d) session ox%x with below params",
+                    QAP_OUT_OFFLOAD,
+                    (int)qap_mod->stream_out[QAP_OUT_OFFLOAD]);
+
+
+                DEBUG_MSG("sample rate=%d bitwidth=%d format = 0x%x channel mask=0x%x flags=0x%x device =0x%x",
+                    config.sample_rate,
+                    config.offload_info.bit_width,
+                    config.offload_info.format,
+                    config.offload_info.channel_mask,
+                    flags,
+                    devices);
+
+
+                /* TODO:: Need to Propagate errors to framework */
+                ret = adev_open_output_stream((struct audio_hw_device *)p_qap->adev,
+                                              QAP_DEFAULT_COMPR_AUDIO_HANDLE,
+                                              devices,
+                                              flags,
+                                              &config,
+                                              (struct audio_stream_out **)&(qap_mod->stream_out[QAP_OUT_OFFLOAD]),
+                                              NULL);
+                if (ret < 0) {
+                    ERROR_MSG("Failed opening Stereo PCM out(outputenum=%d) session ox%x",
+                        QAP_OUT_OFFLOAD,
+                        (int)qap_mod->stream_out[QAP_OUT_OFFLOAD]);
+                    pthread_mutex_unlock(&p_qap->lock);
+                    return;
+                } else
+                    DEBUG_MSG("Opened Stereo PCM out(outputenum=%d) session ox%x",
+                        QAP_OUT_OFFLOAD,
+                        (int)qap_mod->stream_out[QAP_OUT_OFFLOAD]);
+
+                set_out_stream_channel_map(qap_mod->stream_out[QAP_OUT_OFFLOAD], new_conf);
+
+                if ((qap_mod->stream_in[QAP_IN_MAIN]
+                    && qap_mod->stream_in[QAP_IN_MAIN]->client_callback != NULL) ||
+                    (qap_mod->stream_in[QAP_IN_MAIN_2]
+                    && qap_mod->stream_in[QAP_IN_MAIN_2]->client_callback != NULL)) {
+
+                    if (qap_mod->stream_in[QAP_IN_MAIN]) {
+                        qap_mod->stream_out[QAP_OUT_OFFLOAD]->stream.set_callback(
+                            (struct audio_stream_out *)qap_mod->stream_out[QAP_OUT_OFFLOAD],
+                            qap_mod->stream_in[QAP_IN_MAIN]->client_callback,
+                            qap_mod->stream_in[QAP_IN_MAIN]->client_cookie);
+                    }
+                    if (qap_mod->stream_in[QAP_IN_MAIN_2]) {
+                        qap_mod->stream_out[QAP_OUT_OFFLOAD]->stream.set_callback(
+                            (struct audio_stream_out *)qap_mod->stream_out[QAP_OUT_OFFLOAD],
+                            qap_mod->stream_in[QAP_IN_MAIN_2]->client_callback,
+                            qap_mod->stream_in[QAP_IN_MAIN_2]->client_cookie);
+                    }
+                } else if (qap_mod->stream_in[QAP_IN_PCM]
+                           && qap_mod->stream_in[QAP_IN_PCM]->client_callback != NULL) {
+
+                    qap_mod->stream_out[QAP_OUT_OFFLOAD]->stream.set_callback(
+                                                (struct audio_stream_out *)qap_mod->stream_out[QAP_OUT_OFFLOAD],
+                                                qap_mod->stream_in[QAP_IN_PCM]->client_callback,
+                                                qap_mod->stream_in[QAP_IN_PCM]->client_cookie);
+                }
+
+                qap_mod->stream_out[QAP_OUT_OFFLOAD]->compr_config.fragments =
+                        COMPRESS_OFFLOAD_NUM_FRAGMENTS;
+                qap_mod->stream_out[QAP_OUT_OFFLOAD]->compr_config.fragment_size =
+                        qap_get_pcm_offload_output_buffer_size(qap_mod, &config.offload_info);
+
+                if (qap_mod->is_vol_set) {
+                    DEBUG_MSG("Setting Volume Left[%f], Right[%f]", qap_mod->vol_left, qap_mod->vol_right);
+                    qap_mod->stream_out[QAP_OUT_OFFLOAD]->stream.set_volume(
+                            (struct audio_stream_out *)qap_mod->stream_out[QAP_OUT_OFFLOAD],
+                            qap_mod->vol_left,
+                            qap_mod->vol_right);
+                }
+            }
+
+            if (qap_mod->stream_out[QAP_OUT_OFFLOAD]) {
+                DEBUG_MSG_VV("Writing Bytes(%d) to QAP_OUT_OFFLOAD output(%p) buff ptr(%p)",
+                    buffer_size, qap_mod->stream_out[QAP_OUT_OFFLOAD],
+                    data_buffer_p);
+                ret = qap_mod->stream_out[QAP_OUT_OFFLOAD]->stream.write(
+                        (struct audio_stream_out *)qap_mod->stream_out[QAP_OUT_OFFLOAD],
+                        data_buffer_p,
+                        buffer_size);
+            }
+        }
+        DEBUG_MSG_VV("Bytes consumed [%d] by Audio HAL", ret);
+    }
+    else if (event_id == QAP_CALLBACK_EVENT_EOS
+               || event_id == QAP_CALLBACK_EVENT_MAIN_2_EOS
+               || event_id == QAP_CALLBACK_EVENT_EOS_ASSOC) {
+        struct stream_out *out = qap_mod->stream_in[QAP_IN_MAIN];
+        struct stream_out *out_pcm = qap_mod->stream_in[QAP_IN_PCM];
+        struct stream_out *out_main2 = qap_mod->stream_in[QAP_IN_MAIN_2];
+        struct stream_out *out_assoc = qap_mod->stream_in[QAP_IN_ASSOC];
+
+        /**
+         * TODO:: Only DD/DDP Associate Eos is handled, need to add support
+         * for other formats.
+         */
+        if (event_id == QAP_CALLBACK_EVENT_EOS
+                && (out_pcm != NULL)
+                && (check_stream_state_l(out_pcm, STOPPING))) {
+
+            lock_output_stream_l(out_pcm);
+            out_pcm->client_callback(STREAM_CBK_EVENT_DRAIN_READY, NULL, out_pcm->client_cookie);
+            set_stream_state_l(out_pcm, STOPPED);
+            unlock_output_stream_l(out_pcm);
+            DEBUG_MSG("sent pcm DRAIN_READY");
+        } else if ( event_id == QAP_CALLBACK_EVENT_EOS_ASSOC
+                && (out_assoc != NULL)
+                && (check_stream_state_l(out_assoc, STOPPING))) {
+
+            lock_output_stream_l(out_assoc);
+            out_assoc->client_callback(STREAM_CBK_EVENT_DRAIN_READY, NULL, out_assoc->client_cookie);
+            set_stream_state_l(out_assoc, STOPPED);
+            unlock_output_stream_l(out_assoc);
+            DEBUG_MSG("sent associated DRAIN_READY");
+        } else if (event_id == QAP_CALLBACK_EVENT_MAIN_2_EOS
+                && (out_main2 != NULL)
+                && (check_stream_state_l(out_main2, STOPPING))) {
+
+            lock_output_stream_l(out_main2);
+            out_main2->client_callback(STREAM_CBK_EVENT_DRAIN_READY, NULL, out_main2->client_cookie);
+            set_stream_state_l(out_main2, STOPPED);
+            unlock_output_stream_l(out_main2);
+            DEBUG_MSG("sent main2 DRAIN_READY");
+        } else if ((out != NULL) && (check_stream_state_l(out, STOPPING))) {
+            lock_output_stream_l(out);
+            out->client_callback(STREAM_CBK_EVENT_DRAIN_READY, NULL, out->client_cookie);
+            set_stream_state_l(out, STOPPED);
+            unlock_output_stream_l(out);
+            DEBUG_MSG("sent main DRAIN_READY");
+        }
+    }
+    else if (event_id == QAP_CALLBACK_EVENT_EOS || event_id == QAP_CALLBACK_EVENT_EOS_ASSOC) {
+        struct stream_out *out = NULL;
+
+        if (event_id == QAP_CALLBACK_EVENT_EOS) {
+            out = qap_mod->stream_in[QAP_IN_MAIN];
+        } else {
+            out = qap_mod->stream_in[QAP_IN_ASSOC];
+        }
+
+        if ((out != NULL) && (check_stream_state_l(out, STOPPING))) {
+            lock_output_stream_l(out);
+            out->client_callback(STREAM_CBK_EVENT_DRAIN_READY, NULL, out->client_cookie);
+            set_stream_state_l(out, STOPPED);
+            unlock_output_stream_l(out);
+            DEBUG_MSG("sent DRAIN_READY");
+        }
+    }
+
+    pthread_mutex_unlock(&p_qap->lock);
+    return;
+}
+
+static int qap_sess_close(struct qap_module* qap_mod)
+{
+    int j;
+    int ret = -EINVAL;
+
+    DEBUG_MSG("Closing Session.");
+
+    //Check if all streams are closed or not.
+    for (j = 0; j < MAX_QAP_MODULE_IN; j++) {
+        if (qap_mod->stream_in[j] != NULL) {
+            break;
+        }
+    }
+    if (j != MAX_QAP_MODULE_IN) {
+        DEBUG_MSG("Some stream is still active, Can not close session.");
+        return 0;
+    }
+
+    qap_mod->is_session_closing = true;
+    if(p_qap->qap_output_block_handling) {
+        pthread_mutex_lock(&qap_mod->session_output_lock);
+        if (qap_mod->is_session_output_active == false) {
+            pthread_cond_signal(&qap_mod->session_output_cond);
+            DEBUG_MSG("Wake up MM module output thread");
+        }
+        pthread_mutex_unlock(&qap_mod->session_output_lock);
+    }
+    pthread_mutex_lock(&p_qap->lock);
+
+    if (!qap_mod || !qap_mod->session_handle) {
+        ERROR_MSG("Wrong state to process qap_mod(%p) sess_hadl(%p)",
+            qap_mod, qap_mod->session_handle);
+        return -EINVAL;
+    }
+
+    ret = qap_session_close(qap_mod->session_handle);
+    if (QAP_STATUS_OK != ret) {
+        ERROR_MSG("close session failed %d", ret);
+        return -EINVAL;
+    } else
+        DEBUG_MSG("Closed QAP session 0x%x", (int)qap_mod->session_handle);
+
+    qap_mod->session_handle = NULL;
+    qap_mod->is_vol_set = false;
+    memset(qap_mod->stream_state, 0, sizeof(qap_mod->stream_state));
+
+    qap_close_all_output_streams(qap_mod);
+
+    qap_mod->new_out_format_index = 0;
+
+    pthread_mutex_unlock(&p_qap->lock);
+    qap_mod->is_session_closing = false;
+    DEBUG_MSG("Exit.");
+
+    return 0;
+}
+
+static int qap_stream_close(struct stream_out *out)
+{
+    int ret = -EINVAL;
+    struct qap_module *qap_mod = NULL;
+    int index = -1;
+    DEBUG_MSG("Flag [0x%x], Stream handle [%p]", out->flags, out->qap_stream_handle);
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    index = get_input_stream_index_l(out);
+
+    if (!qap_mod || !qap_mod->session_handle || (index < 0) || !out->qap_stream_handle) {
+        ERROR_MSG("Wrong state to process qap_mod(%p) sess_hadl(%p) strm hndl(%p), index %d",
+            qap_mod, qap_mod->session_handle, out->qap_stream_handle, index);
+        return -EINVAL;
+    }
+
+    pthread_mutex_lock(&p_qap->lock);
+
+    set_stream_state_l(out,STOPPED);
+    qap_mod->stream_in[index] = NULL;
+
+    lock_output_stream_l(out);
+
+    ret = qap_module_deinit(out->qap_stream_handle);
+    if (QAP_STATUS_OK != ret) {
+        ERROR_MSG("deinit failed %d", ret);
+        return -EINVAL;
+    } else
+        DEBUG_MSG("module(ox%x) closed successfully", (int)out->qap_stream_handle);
+
+
+    out->qap_stream_handle = NULL;
+    unlock_output_stream_l(out);
+
+    pthread_mutex_unlock(&p_qap->lock);
+
+    //If all streams are closed then close the session.
+    qap_sess_close(qap_mod);
+
+    DEBUG_MSG("Exit");
+    return ret;
+}
+
+#define MAX_INIT_PARAMS 6
+
+static void update_qap_session_init_params(audio_session_handle_t session_handle) {
+    DEBUG_MSG("Entry");
+    qap_status_t ret = QAP_STATUS_OK;
+    uint32_t cmd_data[MAX_INIT_PARAMS] = {0};
+
+    /* all init params should be sent
+     * together so gang them up.
+     */
+    cmd_data[0] = MS12_SESSION_CFG_MAX_CHS;
+    cmd_data[1] = 6;/*5.1 channels*/
+
+    cmd_data[2] = MS12_SESSION_CFG_BS_OUTPUT_MODE;
+    cmd_data[3] = 3;/*DDP Re-encoding and DDP to DD Transcoding*/
+
+    cmd_data[4] = MS12_SESSION_CFG_CHMOD_LOCKING;
+    cmd_data[MAX_INIT_PARAMS - 1] = 1;/*Lock to 6 channel*/
+
+    ret = qap_session_cmd(session_handle,
+            QAP_SESSION_CMD_SET_PARAM,
+            MAX_INIT_PARAMS * sizeof(uint32_t),
+            &cmd_data[0],
+            NULL,
+            NULL);
+    if (ret != QAP_STATUS_OK) {
+        ERROR_MSG("session init params config failed");
+    }
+    DEBUG_MSG("Exit");
+    return;
+}
+
+/* Query HDMI EDID and sets module output accordingly.*/
+static void qap_set_hdmi_configuration_to_module()
+{
+    int ret = 0;
+    int channels = 0;
+    char prop_value[PROPERTY_VALUE_MAX] = {0};
+    bool passth_support = false;
+    qap_session_outputs_config_t *session_outputs_config = NULL;
+
+
+    DEBUG_MSG("Entry");
+
+    if (!p_qap) {
+        return;
+    }
+
+    if (!p_qap->hdmi_connect) {
+        return;
+    }
+
+    p_qap->hdmi_sink_channels = 0;
+
+    if (p_qap->qap_mod[MS12].session_handle)
+        session_outputs_config = &p_qap->qap_mod[MS12].session_outputs_config;
+    else if (p_qap->qap_mod[DTS_M8].session_handle)
+        session_outputs_config = &p_qap->qap_mod[DTS_M8].session_outputs_config;
+    else {
+        DEBUG_MSG("HDMI connection comes even before session is setup");
+        return;
+    }
+
+    session_outputs_config->num_output = 1;
+    //QAP re-encoding and DSP offload passthrough is supported.
+    if (property_get_bool("vendor.audio.offload.passthrough", false)
+            && property_get_bool("vendor.audio.qap.reencode", false)) {
+
+        if (p_qap->qap_mod[MS12].session_handle) {
+
+            bool do_setparam = false;
+            property_get("vendor.audio.qap.hdmi.out", prop_value, NULL);
+
+            if (platform_is_edid_supported_format(p_qap->adev->platform, AUDIO_FORMAT_E_AC3)
+                    && (strncmp(prop_value, "ddp", 3) == 0)) {
+                do_setparam = true;
+                session_outputs_config->output_config[0].format = QAP_AUDIO_FORMAT_EAC3;
+                session_outputs_config->output_config[0].id = AUDIO_DEVICE_OUT_HDMI|QAP_AUDIO_FORMAT_EAC3;
+            } else if (platform_is_edid_supported_format(p_qap->adev->platform, AUDIO_FORMAT_AC3)) {
+                do_setparam = true;
+                session_outputs_config->output_config[0].format = QAP_AUDIO_FORMAT_AC3;
+                session_outputs_config->output_config[0].id = AUDIO_DEVICE_OUT_HDMI|QAP_AUDIO_FORMAT_AC3;
+            }
+            if (do_setparam) {
+                DEBUG_MSG(" Enabling HDMI(Passthrough out) from MS12 wrapper outputid=0x%x",
+                    session_outputs_config->output_config[0].id);
+                ret = qap_session_cmd(p_qap->qap_mod[MS12].session_handle,
+                                    QAP_SESSION_CMD_SET_OUTPUTS,
+                                    sizeof(qap_session_outputs_config_t),
+                                    session_outputs_config,
+                                    NULL,
+                                    NULL);
+                if (QAP_STATUS_OK != ret) {
+                    ERROR_MSG("Unable to register AUDIO_DEVICE_OUT_HDMI device with QAP %d", ret);
+                    return;
+                }
+                passth_support = true;
+            }
+        }
+
+        if (p_qap->qap_mod[DTS_M8].session_handle) {
+
+            bool do_setparam = false;
+            if (platform_is_edid_supported_format(p_qap->adev->platform, AUDIO_FORMAT_DTS)) {
+                do_setparam = true;
+                session_outputs_config->output_config[0].format = QAP_AUDIO_FORMAT_DTS;
+                session_outputs_config->output_config[0].id = AUDIO_DEVICE_OUT_HDMI|QAP_AUDIO_FORMAT_DTS;
+            }
+
+            if (do_setparam) {
+                ret = qap_session_cmd(p_qap->qap_mod[DTS_M8].session_handle,
+                                    QAP_SESSION_CMD_SET_OUTPUTS,
+                                    sizeof(qap_session_outputs_config_t),
+                                    session_outputs_config,
+                                    NULL,
+                                    NULL);
+                if (QAP_STATUS_OK != ret) {
+                    ERROR_MSG("Unable to register AUDIO_DEVICE_OUT_HDMI device with QAP %d", ret);
+                    return;
+                }
+                passth_support = true;
+            }
+        }
+    }
+    //Compressed passthrough is not enabled.
+    if (!passth_support) {
+
+        channels = platform_edid_get_max_channels(p_qap->adev->platform);
+        session_outputs_config->output_config[0].format = QAP_AUDIO_FORMAT_PCM_16_BIT;
+
+        switch (channels) {
+            case 8:
+                DEBUG_MSG("Switching Qap output to 7.1 channels");
+                session_outputs_config->output_config[0].channels = 8;
+                if (!p_qap->qap_msmd_enabled)
+                    session_outputs_config->output_config[0].id = AUDIO_DEVICE_OUT_HDMI|QAP_AUDIO_FORMAT_PCM_16_BIT;
+                p_qap->hdmi_sink_channels = channels;
+                break;
+            case 6:
+                DEBUG_MSG("Switching Qap output to 5.1 channels");
+                session_outputs_config->output_config[0].channels = 6;
+                if (!p_qap->qap_msmd_enabled)
+                    session_outputs_config->output_config[0].id = AUDIO_DEVICE_OUT_HDMI|QAP_AUDIO_FORMAT_PCM_16_BIT;
+                p_qap->hdmi_sink_channels = channels;
+                break;
+            default:
+                DEBUG_MSG("Switching Qap output to default channels");
+                session_outputs_config->output_config[0].channels = 2;
+                if (!p_qap->qap_msmd_enabled)
+                    session_outputs_config->output_config[0].id = AUDIO_DEVICE_OUT_HDMI|QAP_AUDIO_FORMAT_PCM_16_BIT;
+                p_qap->hdmi_sink_channels = 2;
+                break;
+        }
+
+        if (p_qap->qap_mod[MS12].session_handle) {
+            DEBUG_MSG(" Enabling HDMI(MCH PCM out) from MS12 wrapper outputid = %x", session_outputs_config->output_config[0].id);
+            ret = qap_session_cmd(p_qap->qap_mod[MS12].session_handle,
+                                QAP_SESSION_CMD_SET_OUTPUTS,
+                                sizeof(qap_session_outputs_config_t),
+                                session_outputs_config,
+                                NULL,
+                                NULL);
+            if (QAP_STATUS_OK != ret) {
+                ERROR_MSG("Unable to register AUDIO_DEVICE_OUT_HDMI device with QAP %d", ret);
+                return;
+            }
+        }
+        if (p_qap->qap_mod[DTS_M8].session_handle) {
+                ret = qap_session_cmd(p_qap->qap_mod[MS12].session_handle,
+                                    QAP_SESSION_CMD_SET_OUTPUTS,
+                                    sizeof(qap_session_outputs_config_t),
+                                    session_outputs_config,
+                                    NULL,
+                                    NULL);
+                if (QAP_STATUS_OK != ret) {
+                    ERROR_MSG("Unable to register AUDIO_DEVICE_OUT_HDMI device with QAP %d", ret);
+                    return;
+                }
+            }
+
+    }
+    DEBUG_MSG("Exit");
+}
+
+
+static void qap_set_default_configuration_to_module()
+{
+    qap_session_outputs_config_t *session_outputs_config = NULL;
+    int ret = 0;
+
+    DEBUG_MSG("Entry");
+
+    if (!p_qap) {
+        return;
+    }
+
+    if (!p_qap->bt_connect) {
+        DEBUG_MSG("BT is not connected.");
+    }
+
+    //ms12 wrapper don't support bt, treat this as speaker and routign to bt
+    //will take care as a part of data callback notifier
+
+
+    if (p_qap->qap_mod[MS12].session_handle)
+        session_outputs_config = &p_qap->qap_mod[MS12].session_outputs_config;
+    else if (p_qap->qap_mod[DTS_M8].session_handle)
+        session_outputs_config = &p_qap->qap_mod[DTS_M8].session_outputs_config;
+
+    session_outputs_config->num_output = 1;
+    session_outputs_config->output_config[0].id = AUDIO_DEVICE_OUT_SPEAKER;
+    session_outputs_config->output_config[0].format = QAP_AUDIO_FORMAT_PCM_16_BIT;
+
+
+    if (p_qap->qap_mod[MS12].session_handle) {
+        DEBUG_MSG(" Enabling speaker(PCM out) from MS12 wrapper outputid = %x", session_outputs_config->output_config[0].id);
+        ret = qap_session_cmd(p_qap->qap_mod[MS12].session_handle,
+                            QAP_SESSION_CMD_SET_OUTPUTS,
+                            sizeof(qap_session_outputs_config_t),
+                            session_outputs_config,
+                            NULL,
+                            NULL);
+        if (QAP_STATUS_OK != ret) {
+            ERROR_MSG("Unable to register AUDIO_DEVICE_OUT_SPEAKER device with QAP %d", ret);
+            return;
+        }
+    }
+    if (p_qap->qap_mod[DTS_M8].session_handle) {
+        ret = qap_session_cmd(p_qap->qap_mod[DTS_M8].session_handle,
+                            QAP_SESSION_CMD_SET_OUTPUTS,
+                            sizeof(qap_session_outputs_config_t),
+                            session_outputs_config,
+                            NULL,
+                            NULL);
+        if (QAP_STATUS_OK != ret) {
+            ERROR_MSG("Unable to register AUDIO_DEVICE_OUT_SPEAKER device with QAP %d", ret);
+            return;
+        }
+    }
+}
+
+
+/* Open a MM module session with QAP. */
+static int audio_extn_qap_session_open(mm_module_type mod_type, __unused struct stream_out *out)
+{
+    DEBUG_MSG("%s %d", __func__, __LINE__);
+    int ret = 0;
+
+    struct qap_module *qap_mod = NULL;
+
+    if (mod_type >= MAX_MM_MODULE_TYPE)
+        return -ENOTSUP; //Not supported by QAP module.
+
+    pthread_mutex_lock(&p_qap->lock);
+
+    qap_mod = &(p_qap->qap_mod[mod_type]);
+
+    //If session is already opened then return.
+    if (qap_mod->session_handle) {
+        DEBUG_MSG("QAP Session is already opened.");
+        pthread_mutex_unlock(&p_qap->lock);
+        return 0;
+    }
+
+    if (MS12 == mod_type) {
+        if (NULL == (qap_mod->session_handle = (void *)qap_session_open(QAP_SESSION_MS12_OTT, qap_mod->qap_lib))) {
+            ERROR_MSG("Failed to open QAP session, lib_handle 0x%x", (int)qap_mod->qap_lib);
+            ret = -EINVAL;
+            goto exit;
+        } else
+            DEBUG_MSG("Opened QAP session 0x%x", (int)qap_mod->session_handle);
+
+        update_qap_session_init_params(qap_mod->session_handle);
+    }
+
+    if (QAP_STATUS_OK != (qap_session_set_callback (qap_mod->session_handle, &qap_session_callback, (void *)qap_mod))) {
+        ERROR_MSG("Failed to register QAP session callback");
+        ret = -EINVAL;
+        goto exit;
+    }
+
+    qap_mod->is_session_output_active = true;
+
+    if(p_qap->hdmi_connect)
+        qap_set_hdmi_configuration_to_module();
+    else
+        qap_set_default_configuration_to_module();
+
+exit:
+    pthread_mutex_unlock(&p_qap->lock);
+    return ret;
+}
+
+
+
+static int qap_map_input_format(audio_format_t audio_format, qap_audio_format_t *format)
+{
+    if (audio_format == AUDIO_FORMAT_AC3) {
+        *format = QAP_AUDIO_FORMAT_AC3;
+        DEBUG_MSG( "File Format is AC3!");
+    } else if (audio_format == AUDIO_FORMAT_E_AC3) {
+        *format = QAP_AUDIO_FORMAT_EAC3;
+        DEBUG_MSG( "File Format is E_AC3!");
+    } else if ((audio_format == AUDIO_FORMAT_AAC_ADTS_LC) ||
+               (audio_format == AUDIO_FORMAT_AAC_ADTS_HE_V1) ||
+               (audio_format == AUDIO_FORMAT_AAC_ADTS_HE_V2) ||
+               (audio_format == AUDIO_FORMAT_AAC_LC) ||
+               (audio_format == AUDIO_FORMAT_AAC_HE_V1) ||
+               (audio_format == AUDIO_FORMAT_AAC_HE_V2) ||
+               (audio_format == AUDIO_FORMAT_AAC_LATM_LC) ||
+               (audio_format == AUDIO_FORMAT_AAC_LATM_HE_V1) ||
+               (audio_format == AUDIO_FORMAT_AAC_LATM_HE_V2)) {
+        *format = QAP_AUDIO_FORMAT_AAC_ADTS;
+        DEBUG_MSG( "File Format is AAC!");
+    } else if (audio_format == AUDIO_FORMAT_DTS) {
+        *format = QAP_AUDIO_FORMAT_DTS;
+        DEBUG_MSG( "File Format is DTS!");
+    } else if (audio_format == AUDIO_FORMAT_DTS_HD) {
+        *format = QAP_AUDIO_FORMAT_DTS_HD;
+        DEBUG_MSG( "File Format is DTS_HD!");
+    } else if (audio_format == AUDIO_FORMAT_PCM_16_BIT) {
+        *format = QAP_AUDIO_FORMAT_PCM_16_BIT;
+        DEBUG_MSG( "File Format is PCM_16!");
+    } else if (audio_format == AUDIO_FORMAT_PCM_32_BIT) {
+        *format = QAP_AUDIO_FORMAT_PCM_32_BIT;
+        DEBUG_MSG( "File Format is PCM_32!");
+    } else if (audio_format == AUDIO_FORMAT_PCM_24_BIT_PACKED) {
+        *format = QAP_AUDIO_FORMAT_PCM_24_BIT_PACKED;
+        DEBUG_MSG( "File Format is PCM_24!");
+    } else if ((audio_format == AUDIO_FORMAT_PCM_8_BIT) ||
+               (audio_format == AUDIO_FORMAT_PCM_8_24_BIT)) {
+        *format = QAP_AUDIO_FORMAT_PCM_8_24_BIT;
+        DEBUG_MSG( "File Format is PCM_8_24!");
+    } else {
+        ERROR_MSG( "File Format not supported!");
+        return -EINVAL;
+    }
+    return 0;
+}
+
+
+void qap_module_callback(__unused qap_module_handle_t module_handle,
+                         void* priv_data,
+                         qap_module_callback_event_t event_id,
+                         __unused int size,
+                         __unused void *data)
+{
+    struct stream_out *out=(struct stream_out *)priv_data;
+
+    DEBUG_MSG("Entry");
+    if (QAP_MODULE_CALLBACK_EVENT_SEND_INPUT_BUFFER == event_id) {
+        DEBUG_MSG("QAP_MODULE_CALLBACK_EVENT_SEND_INPUT_BUFFER for (%p)", out);
+        if (out->client_callback) {
+            out->client_callback(STREAM_CBK_EVENT_WRITE_READY, NULL, out->client_cookie);
+        }
+        else
+            DEBUG_MSG("client has no callback registered, no action needed for this event %d",
+                event_id);
+    }
+    else
+        DEBUG_MSG("Un Recognized event %d", event_id);
+
+    DEBUG_MSG("exit");
+    return;
+}
+
+
+/* opens a stream in QAP module. */
+static int qap_stream_open(struct stream_out *out,
+                           struct audio_config *config,
+                           audio_output_flags_t flags,
+                           audio_devices_t devices)
+{
+    int status = -EINVAL;
+    mm_module_type mmtype = get_mm_module_for_format_l(config->format);
+    struct qap_module* qap_mod = NULL;
+    qap_module_config_t input_config = {0};
+
+    DEBUG_MSG("Flags 0x%x, Device 0x%x for use case %s out 0x%x", flags, devices, use_case_table[out->usecase], (int)out);
+
+    if (mmtype >= MAX_MM_MODULE_TYPE) {
+        ERROR_MSG("Unsupported Stream");
+        return -ENOTSUP;
+    }
+
+    //Open the module session, if not opened already.
+    status = audio_extn_qap_session_open(mmtype, out);
+    qap_mod = &(p_qap->qap_mod[mmtype]);
+
+    if ((status != 0) || (!qap_mod->session_handle ))
+        return status;
+
+    input_config.sample_rate = config->sample_rate;
+    input_config.channels = popcount(config->channel_mask);
+    if (input_config.format != AUDIO_FORMAT_PCM_16_BIT) {
+        input_config.format &= AUDIO_FORMAT_MAIN_MASK;
+    }
+    input_config.module_type = QAP_MODULE_DECODER;
+    status = qap_map_input_format(config->format, &input_config.format);
+    if (status == -EINVAL)
+        return -EINVAL;
+
+    DEBUG_MSG("qap_stream_open sample_rate(%d) channels(%d) devices(%#x) flags(%#x) format(%#x)",
+              input_config.sample_rate, input_config.channels, devices, flags, input_config.format);
+
+    if (input_config.format == QAP_AUDIO_FORMAT_PCM_16_BIT) {
+        //If PCM stream is already opened then fail this stream open.
+        if (qap_mod->stream_in[QAP_IN_PCM]) {
+            ERROR_MSG("PCM input is already active.");
+            return -ENOTSUP;
+        }
+        input_config.flags = QAP_MODULE_FLAG_SYSTEM_SOUND;
+        status = qap_module_init(qap_mod->session_handle, &input_config, &out->qap_stream_handle);
+        if (QAP_STATUS_OK != status) {
+            ERROR_MSG("Unable to open PCM(QAP_MODULE_FLAG_SYSTEM_SOUND) QAP module %d", status);
+            return -EINVAL;
+        } else
+            DEBUG_MSG("QAP_MODULE_FLAG_SYSTEM_SOUND, module(ox%x) opened successfully", (int)out->qap_stream_handle);
+
+        qap_mod->stream_in[QAP_IN_PCM] = out;
+    } else if ((flags & AUDIO_OUTPUT_FLAG_MAIN) && (flags & AUDIO_OUTPUT_FLAG_ASSOCIATED)) {
+        if (is_main_active_l(qap_mod) || is_dual_main_active_l(qap_mod)) {
+            ERROR_MSG("Dual Main or Main already active. So, Cannot open main and associated stream");
+            return -EINVAL;
+        } else {
+            input_config.flags = QAP_MODULE_FLAG_PRIMARY;
+            status = qap_module_init(qap_mod->session_handle, &input_config, &out->qap_stream_handle);
+            if (QAP_STATUS_OK != status) {
+                ERROR_MSG("Unable to open QAP stream/module with QAP_MODULE_FLAG_PRIMARY flag %d", status);
+                return -EINVAL;
+                } else
+                    DEBUG_MSG("QAP_MODULE_FLAG_PRIMARY, module opened successfully 0x%x", (int)out->qap_stream_handle);;
+
+            qap_mod->stream_in[QAP_IN_MAIN] = out;
+        }
+    } else if ((flags & AUDIO_OUTPUT_FLAG_MAIN) || ((!(flags & AUDIO_OUTPUT_FLAG_MAIN)) && (!(flags & AUDIO_OUTPUT_FLAG_ASSOCIATED)))) {
+        /* Assume Main if no flag is set */
+        if (is_dual_main_active_l(qap_mod)) {
+            ERROR_MSG("Dual Main already active. So, Cannot open main stream");
+            return -EINVAL;
+        } else if (is_main_active_l(qap_mod) && qap_mod->stream_in[QAP_IN_ASSOC]) {
+            ERROR_MSG("Main and Associated already active. So, Cannot open main stream");
+            return -EINVAL;
+        } else if (is_main_active_l(qap_mod) && (mmtype != MS12)) {
+            ERROR_MSG("Main already active and Not an MS12 format. So, Cannot open another main stream");
+            return -EINVAL;
+        } else {
+            input_config.flags = QAP_MODULE_FLAG_PRIMARY;
+            status = qap_module_init(qap_mod->session_handle, &input_config, &out->qap_stream_handle);
+            if (QAP_STATUS_OK != status) {
+                ERROR_MSG("Unable to open QAP stream/module with QAP_MODULE_FLAG_PRIMARY flag %d", status);
+                return -EINVAL;
+            } else
+                DEBUG_MSG("QAP_MODULE_FLAG_PRIMARY, module opened successfully 0x%x", (int)out->qap_stream_handle);
+
+            if(qap_mod->stream_in[QAP_IN_MAIN]) {
+                qap_mod->stream_in[QAP_IN_MAIN_2] = out;
+            } else {
+                qap_mod->stream_in[QAP_IN_MAIN] = out;
+            }
+        }
+    } else if ((flags & AUDIO_OUTPUT_FLAG_ASSOCIATED)) {
+        if (is_dual_main_active_l(qap_mod)) {
+            ERROR_MSG("Dual Main already active. So, Cannot open associated stream");
+            return -EINVAL;
+        } else if (!is_main_active_l(qap_mod)) {
+            ERROR_MSG("Main not active. So, Cannot open associated stream");
+            return -EINVAL;
+        } else if (qap_mod->stream_in[QAP_IN_ASSOC]) {
+            ERROR_MSG("Associated already active. So, Cannot open associated stream");
+            return -EINVAL;
+        }
+        input_config.flags = QAP_MODULE_FLAG_SECONDARY;
+        status = qap_module_init(qap_mod->session_handle, &input_config, &out->qap_stream_handle);
+        if (QAP_STATUS_OK != status) {
+            ERROR_MSG("Unable to open QAP stream/module with QAP_MODULE_FLAG_SECONDARY flag %d", status);
+            return -EINVAL;
+        } else
+            DEBUG_MSG("QAP_MODULE_FLAG_SECONDARY, module opened successfully 0x%x", (int)out->qap_stream_handle);
+
+        qap_mod->stream_in[QAP_IN_ASSOC] = out;
+    }
+
+    if (out->qap_stream_handle) {
+        status = qap_module_set_callback(out->qap_stream_handle, &qap_module_callback, out);
+        if (QAP_STATUS_OK != status) {
+            ERROR_MSG("Unable to register module callback %d", status);
+            return -EINVAL;
+        } else
+            DEBUG_MSG("Module call back registered 0x%x cookie 0x%x", (int)out->qap_stream_handle, (int)out);
+    }
+
+    if (status != 0) {
+        //If no stream is active then close the session.
+        qap_sess_close(qap_mod);
+        return 0;
+    }
+
+    //If Device is HDMI, QAP passthrough is enabled and there is no previous QAP passthrough input stream.
+    if ((!p_qap->passthrough_in)
+        && (devices & AUDIO_DEVICE_OUT_AUX_DIGITAL)
+        && audio_extn_qap_passthrough_enabled(out)) {
+        //Assign the QAP passthrough input stream.
+        p_qap->passthrough_in = out;
+
+        //If HDMI is connected and format is supported by HDMI then create QAP passthrough output stream.
+        if (p_qap->hdmi_connect
+            && platform_is_edid_supported_format(p_qap->adev->platform, out->format)) {
+            status = create_qap_passthrough_stream_l();
+            if (status < 0) {
+                qap_stream_close(out);
+                ERROR_MSG("QAP passthrough stream creation failed with error %d", status);
+                return status;
+            }
+        }
+        /*Else: since QAP passthrough input stream is already initialized,
+         * when hdmi is connected
+         * then qap passthrough output stream will be created.
+         */
+    }
+
+    DEBUG_MSG();
+    return status;
+}
+
+static int qap_out_resume(struct audio_stream_out* stream)
+{
+    struct stream_out *out = (struct stream_out *)stream;
+    int status = 0;
+    DEBUG_MSG("Output Stream %p", out);
+
+
+    lock_output_stream_l(out);
+
+    //If QAP passthrough is active then block the resume on module input streams.
+    if (p_qap->passthrough_out) {
+        //If resume is received for the QAP passthrough stream then call the primary HAL api.
+        pthread_mutex_lock(&p_qap->lock);
+        if (p_qap->passthrough_in == out) {
+            status = p_qap->passthrough_out->stream.resume(
+                    (struct audio_stream_out*)p_qap->passthrough_out);
+            if (!status) out->offload_state = OFFLOAD_STATE_PLAYING;
+        }
+        pthread_mutex_unlock(&p_qap->lock);
+    } else {
+        //Flush the module input stream.
+        status = qap_stream_start_l(out);
+    }
+
+    unlock_output_stream_l(out);
+
+    DEBUG_MSG();
+    return status;
+}
+
+static int qap_out_set_parameters(struct audio_stream *stream, const char *kvpairs)
+{
+    struct str_parms *parms;
+    char value[32];
+    int val = 0;
+    struct stream_out *out = (struct stream_out *)stream;
+    int ret = 0;
+    int err = 0;
+    struct qap_module *qap_mod = NULL;
+
+    DEBUG_MSG("usecase(%d: %s) kvpairs: %s", out->usecase, use_case_table[out->usecase], kvpairs);
+
+    parms = str_parms_create_str(kvpairs);
+    err = str_parms_get_str(parms, AUDIO_PARAMETER_STREAM_ROUTING, value, sizeof(value));
+    if (err < 0)
+        return err;
+    val = atoi(value);
+
+    qap_mod = get_qap_module_for_input_stream_l(out);
+    if (!qap_mod) return (-EINVAL);
+
+    //TODO: HDMI is connected but user doesn't want HDMI output, close both HDMI outputs.
+
+    /* Setting new device information to the mm module input streams.
+     * This is needed if QAP module output streams are not created yet.
+     */
+    out->devices = val;
+
+#ifndef SPLIT_A2DP_ENABLED
+    if (val == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP) {
+        //If device is BT then open the BT stream if not already opened.
+        if ( audio_extn_bt_hal_get_output_stream(qap_mod->bt_hdl) == NULL
+             && audio_extn_bt_hal_get_device(qap_mod->bt_hdl) != NULL) {
+            ret = audio_extn_bt_hal_open_output_stream(qap_mod->bt_hdl,
+                                                       QAP_OUTPUT_SAMPLING_RATE,
+                                                       AUDIO_CHANNEL_OUT_STEREO,
+                                                       CODEC_BACKEND_DEFAULT_BIT_WIDTH);
+            if (ret != 0) {
+                ERROR_MSG("BT Output stream open failure!");
+            }
+        }
+    } else if (val != 0) {
+        //If device is not BT then close the BT stream if already opened.
+        if ( audio_extn_bt_hal_get_output_stream(qap_mod->bt_hdl) != NULL) {
+            audio_extn_bt_hal_close_output_stream(qap_mod->bt_hdl);
+        }
+    }
+#endif
+
+    if (p_qap->passthrough_in == out) { //Device routing is received for QAP passthrough stream.
+
+        if (!(val & AUDIO_DEVICE_OUT_AUX_DIGITAL)) { //HDMI route is disabled.
+
+            //If QAP pasthrough output is enabled. Close it.
+            close_qap_passthrough_stream_l();
+
+            //Send the routing information to mm module pcm output.
+            if (qap_mod->stream_out[QAP_OUT_OFFLOAD]) {
+                ret = qap_mod->stream_out[QAP_OUT_OFFLOAD]->stream.common.set_parameters(
+                        (struct audio_stream *)qap_mod->stream_out[QAP_OUT_OFFLOAD], kvpairs);
+            }
+            //else: device info is updated in the input streams.
+        } else { //HDMI route is enabled.
+
+            //create the QAf passthrough stream, if not created already.
+            ret = create_qap_passthrough_stream_l();
+
+            if (p_qap->passthrough_out != NULL) { //If QAP passthrough out is enabled then send routing information.
+                ret = p_qap->passthrough_out->stream.common.set_parameters(
+                        (struct audio_stream *)p_qap->passthrough_out, kvpairs);
+            }
+        }
+    } else {
+        //Send the routing information to mm module pcm output.
+        if (qap_mod->stream_out[QAP_OUT_OFFLOAD]) {
+            ret = qap_mod->stream_out[QAP_OUT_OFFLOAD]->stream.common.set_parameters(
+                    (struct audio_stream *)qap_mod->stream_out[QAP_OUT_OFFLOAD], kvpairs);
+        }
+        //else: device info is updated in the input streams.
+    }
+    str_parms_destroy(parms);
+
+    return ret;
+}
+
+/* Checks if a stream is QAP stream or not. */
+bool audio_extn_is_qap_stream(struct stream_out *out)
+{
+    struct qap_module *qap_mod = get_qap_module_for_input_stream_l(out);
+
+    if (qap_mod) {
+        return true;
+    }
+    return false;
+}
+
+#if 0
+/* API to send playback stream specific config parameters */
+int audio_extn_qap_out_set_param_data(struct stream_out *out,
+                                       audio_extn_param_id param_id,
+                                       audio_extn_param_payload *payload)
+{
+    int ret = -EINVAL;
+    int index;
+    struct stream_out *new_out = NULL;
+    struct audio_adsp_event *adsp_event;
+    struct qap_module *qap_mod = get_qap_module_for_input_stream_l(out);
+
+    if (!out || !qap_mod || !payload) {
+        ERROR_MSG("Invalid Param");
+        return ret;
+    }
+
+    /* apply param for all active out sessions */
+    for (index = 0; index < MAX_QAP_MODULE_OUT; index++) {
+        new_out = qap_mod->stream_out[index];
+        if (!new_out) continue;
+
+        /*ADSP event is not supported for passthrough*/
+        if ((param_id == AUDIO_EXTN_PARAM_ADSP_STREAM_CMD)
+            && !(new_out->flags == AUDIO_OUTPUT_FLAG_DIRECT)) continue;
+        if (new_out->standby)
+            new_out->stream.write((struct audio_stream_out *)new_out, NULL, 0);
+        lock_output_stream_l(new_out);
+        ret = audio_extn_out_set_param_data(new_out, param_id, payload);
+        if (ret)
+            ERROR_MSG("audio_extn_out_set_param_data error %d", ret);
+        unlock_output_stream_l(new_out);
+    }
+    return ret;
+}
+
+int audio_extn_qap_out_get_param_data(struct stream_out *out,
+                             audio_extn_param_id param_id,
+                             audio_extn_param_payload *payload)
+{
+    int ret = -EINVAL, i;
+    struct stream_out *new_out = NULL;
+    struct qap_module *qap_mod = get_qap_module_for_input_stream_l(out);
+
+    if (!out || !qap_mod || !payload) {
+        ERROR_MSG("Invalid Param");
+        return ret;
+    }
+
+    if (!p_qap->hdmi_connect) {
+        ERROR_MSG("hdmi not connected");
+        return ret;
+    }
+
+    /* get session which is routed to hdmi*/
+    if (p_qap->passthrough_out)
+        new_out = p_qap->passthrough_out;
+    else {
+        for (i = 0; i < MAX_QAP_MODULE_OUT; i++) {
+            if (qap_mod->stream_out[i]) {
+                new_out = qap_mod->stream_out[i];
+                break;
+            }
+        }
+    }
+
+    if (!new_out) {
+        ERROR_MSG("No stream active.");
+        return ret;
+    }
+
+    if (new_out->standby)
+        new_out->stream.write((struct audio_stream_out *)new_out, NULL, 0);
+
+    lock_output_stream_l(new_out);
+    ret = audio_extn_out_get_param_data(new_out, param_id, payload);
+    if (ret)
+        ERROR_MSG("audio_extn_out_get_param_data error %d", ret);
+    unlock_output_stream_l(new_out);
+
+    return ret;
+}
+#endif
+
+int audio_extn_qap_open_output_stream(struct audio_hw_device *dev,
+                                      audio_io_handle_t handle,
+                                      audio_devices_t devices,
+                                      audio_output_flags_t flags,
+                                      struct audio_config *config,
+                                      struct audio_stream_out **stream_out,
+                                      const char *address)
+{
+    int ret = 0;
+    struct stream_out *out;
+
+    DEBUG_MSG("Entry");
+    ret = adev_open_output_stream(dev, handle, devices, flags, config, stream_out, address);
+    if (*stream_out == NULL) {
+        ERROR_MSG("Stream open failed %d", ret);
+        return ret;
+    }
+
+#ifndef LINUX_ENABLED
+//Bypass QAP for dummy PCM session opened by APM during boot time
+    if(flags == 0) {
+        ALOGD("bypassing QAP for flags is equal to none");
+        return ret;
+    }
+#endif
+
+    out = (struct stream_out *)*stream_out;
+
+    DEBUG_MSG("%s 0x%x", use_case_table[out->usecase], (int)out);
+
+    ret = qap_stream_open(out, config, flags, devices);
+    if (ret < 0) {
+        ERROR_MSG("Error opening QAP stream err[%d]", ret);
+        //Stream not supported by QAP, Bypass QAP.
+        return 0;
+    }
+
+    /* Override function pointers based on qap definitions */
+    out->stream.set_volume = qap_out_set_volume;
+    out->stream.pause = qap_out_pause;
+    out->stream.resume = qap_out_resume;
+    out->stream.drain = qap_out_drain;
+    out->stream.flush = qap_out_flush;
+
+    out->stream.common.standby = qap_out_standby;
+    out->stream.common.set_parameters = qap_out_set_parameters;
+    out->stream.get_latency = qap_out_get_latency;
+    out->stream.get_render_position = qap_out_get_render_position;
+    out->stream.write = qap_out_write;
+    out->stream.get_presentation_position = qap_out_get_presentation_position;
+    out->platform_latency = 0;
+
+    /*TODO: Need to handle this for DTS*/
+    if (out->usecase == USECASE_AUDIO_PLAYBACK_LOW_LATENCY) {
+        out->usecase = USECASE_AUDIO_PLAYBACK_DEEP_BUFFER;
+        out->config.period_size = QAP_DEEP_BUFFER_OUTPUT_PERIOD_SIZE;
+        out->config.period_count = DEEP_BUFFER_OUTPUT_PERIOD_COUNT;
+        out->config.start_threshold = QAP_DEEP_BUFFER_OUTPUT_PERIOD_SIZE / 4;
+        out->config.avail_min = QAP_DEEP_BUFFER_OUTPUT_PERIOD_SIZE / 4;
+    } else if(out->flags == AUDIO_OUTPUT_FLAG_DIRECT) {
+        out->compr_config.fragment_size = qap_get_pcm_offload_input_buffer_size(&(config->offload_info));
+    }
+
+    *stream_out = &out->stream;
+
+    DEBUG_MSG("Exit");
+    return 0;
+}
+
+void audio_extn_qap_close_output_stream(struct audio_hw_device *dev,
+                                        struct audio_stream_out *stream)
+{
+    struct stream_out *out = (struct stream_out *)stream;
+    struct qap_module* qap_mod = get_qap_module_for_input_stream_l(out);
+
+    DEBUG_MSG("%s 0x%x", use_case_table[out->usecase], (int)out);
+
+    if (!qap_mod) {
+        DEBUG_MSG("qap module is NULL, nothing to close");
+        /*closing non-MS12/default output stream opened with qap */
+        adev_close_output_stream(dev, stream);
+        return;
+    }
+
+    DEBUG_MSG("stream_handle(%p) format = %x", out, out->format);
+
+    //If close is received for QAP passthrough stream then close the QAP passthrough output.
+    if (p_qap->passthrough_in == out) {
+        if (p_qap->passthrough_out) {
+            ALOGD("%s %d closing stream handle %p", __func__, __LINE__, p_qap->passthrough_out);
+            pthread_mutex_lock(&p_qap->lock);
+            adev_close_output_stream((struct audio_hw_device *)p_qap->adev,
+                                     (struct audio_stream_out *)(p_qap->passthrough_out));
+            pthread_mutex_unlock(&p_qap->lock);
+            p_qap->passthrough_out = NULL;
+        }
+
+        p_qap->passthrough_in = NULL;
+    }
+
+    qap_stream_close(out);
+
+    adev_close_output_stream(dev, stream);
+
+    DEBUG_MSG("Exit");
+}
+
+/* Check if QAP is supported or not. */
+bool audio_extn_qap_is_enabled()
+{
+    bool prop_enabled = false;
+    char value[PROPERTY_VALUE_MAX] = {0};
+    property_get("vendor.audio.qap.enabled", value, NULL);
+    prop_enabled = atoi(value) || !strncmp("true", value, 4);
+    return (prop_enabled);
+}
+
+/* QAP set parameter function. For Device connect and disconnect. */
+int audio_extn_qap_set_parameters(struct audio_device *adev, struct str_parms *parms)
+{
+    int status = 0, val = 0;
+    qap_session_outputs_config_t *session_outputs_config = NULL;
+
+    if (!p_qap) {
+        return -EINVAL;
+    }
+
+    DEBUG_MSG("Entry");
+
+    status = str_parms_get_int(parms, AUDIO_PARAMETER_DEVICE_CONNECT, &val);
+
+    if ((status >= 0) && audio_is_output_device(val)) {
+        if (val & AUDIO_DEVICE_OUT_AUX_DIGITAL) { //HDMI is connected.
+            DEBUG_MSG("AUDIO_DEVICE_OUT_AUX_DIGITAL connected");
+            p_qap->hdmi_connect = 1;
+            p_qap->hdmi_sink_channels = 0;
+
+            if (p_qap->passthrough_in) { //If QAP passthrough is already initialized.
+                lock_output_stream_l(p_qap->passthrough_in);
+                if (platform_is_edid_supported_format(adev->platform,
+                                                      p_qap->passthrough_in->format)) {
+                    //If passthrough format is supported by HDMI then create the QAP passthrough output if not created already.
+                    create_qap_passthrough_stream_l();
+                    //Ignoring the returned error, If error then QAP passthrough is disabled.
+                } else {
+                    //If passthrough format is not supported by HDMI then close the QAP passthrough output if already created.
+                    close_qap_passthrough_stream_l();
+                }
+                unlock_output_stream_l(p_qap->passthrough_in);
+            }
+
+            qap_set_hdmi_configuration_to_module();
+
+        } else if (val & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP) {
+            DEBUG_MSG("AUDIO_DEVICE_OUT_BLUETOOTH_A2DP connected");
+            p_qap->bt_connect = 1;
+            qap_set_default_configuration_to_module();
+#ifndef SPLIT_A2DP_ENABLED
+            for (k = 0; k < MAX_MM_MODULE_TYPE; k++) {
+                if (!p_qap->qap_mod[k].bt_hdl) {
+                    DEBUG_MSG("Opening a2dp output...");
+                    status = audio_extn_bt_hal_load(&p_qap->qap_mod[k].bt_hdl);
+                    if (status != 0) {
+                        ERROR_MSG("Error opening BT module");
+                        return status;
+                    }
+                }
+            }
+#endif
+        }
+        //TODO else if: Need to consider other devices.
+    }
+
+    status = str_parms_get_int(parms, AUDIO_PARAMETER_DEVICE_DISCONNECT, &val);
+    if ((status >= 0) && audio_is_output_device(val)) {
+        DEBUG_MSG("AUDIO_DEVICE_OUT_AUX_DIGITAL disconnected");
+        if (val & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
+
+            p_qap->hdmi_sink_channels = 0;
+
+            p_qap->passthrough_enabled = 0;
+            p_qap->mch_pcm_hdmi_enabled = 0;
+            p_qap->hdmi_connect = 0;
+
+            if (p_qap->qap_mod[MS12].session_handle)
+                session_outputs_config = &p_qap->qap_mod[MS12].session_outputs_config;
+            else if (p_qap->qap_mod[DTS_M8].session_handle)
+                session_outputs_config = &p_qap->qap_mod[DTS_M8].session_outputs_config;
+            else {
+                DEBUG_MSG("HDMI disconnection comes even before session is setup");
+                return 0;
+            }
+
+            session_outputs_config->num_output = 1;
+
+            session_outputs_config->output_config[0].id = AUDIO_DEVICE_OUT_SPEAKER;
+            session_outputs_config->output_config[0].format = QAP_AUDIO_FORMAT_PCM_16_BIT;
+
+
+            if (p_qap->qap_mod[MS12].session_handle) {
+                DEBUG_MSG(" Enabling speaker(PCM out) from MS12 wrapper outputid = %x", session_outputs_config->output_config[0].id);
+                status = qap_session_cmd(p_qap->qap_mod[MS12].session_handle,
+                                    QAP_SESSION_CMD_SET_OUTPUTS,
+                                    sizeof(qap_session_outputs_config_t),
+                                    session_outputs_config,
+                                    NULL,
+                                    NULL);
+                if (QAP_STATUS_OK != status) {
+                    ERROR_MSG("Unable to register AUDIO_DEVICE_OUT_SPEAKER device with QAP %d",status);
+                    return -EINVAL;
+                }
+            }
+            if (p_qap->qap_mod[DTS_M8].session_handle) {
+                status = qap_session_cmd(p_qap->qap_mod[MS12].session_handle,
+                                    QAP_SESSION_CMD_SET_OUTPUTS,
+                                    sizeof(qap_session_outputs_config_t),
+                                    session_outputs_config,
+                                    NULL,
+                                    NULL);
+                if (QAP_STATUS_OK != status) {
+                    ERROR_MSG("Unable to register AUDIO_DEVICE_OUT_SPEAKER device with QAP %d", status);
+                    return -EINVAL;
+                }
+            }
+
+            close_all_hdmi_output_l();
+            close_qap_passthrough_stream_l();
+        } else if (val & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP) {
+            DEBUG_MSG("AUDIO_DEVICE_OUT_BLUETOOTH_A2DP disconnected");
+            p_qap->bt_connect = 0;
+            //reconfig HDMI as end device (if connected)
+            if(p_qap->hdmi_connect)
+                qap_set_hdmi_configuration_to_module();
+#ifndef SPLIT_A2DP_ENABLED
+            DEBUG_MSG("Closing a2dp output...");
+            for (k = 0; k < MAX_MM_MODULE_TYPE; k++) {
+                if (p_qap->qap_mod[k].bt_hdl) {
+                    audio_extn_bt_hal_unload(p_qap->qap_mod[k].bt_hdl);
+                    p_qap->qap_mod[k].bt_hdl = NULL;
+                }
+            }
+#endif
+        }
+        //TODO else if: Need to consider other devices.
+    }
+
+#if 0
+    /* does this need to be ported to QAP?*/
+    for (k = 0; k < MAX_MM_MODULE_TYPE; k++) {
+        kv_parirs = str_parms_to_str(parms);
+        if (p_qap->qap_mod[k].session_handle) {
+            p_qap->qap_mod[k].qap_audio_session_set_param(
+                    p_qap->qap_mod[k].session_handle, kv_parirs);
+        }
+    }
+#endif
+
+    DEBUG_MSG("Exit");
+    return status;
+}
+
+/* Create the QAP. */
+int audio_extn_qap_init(struct audio_device *adev)
+{
+    DEBUG_MSG("Entry");
+
+    p_qap = calloc(1, sizeof(struct qap));
+    if (p_qap == NULL) {
+        ERROR_MSG("Out of memory");
+        return -ENOMEM;
+    }
+
+    p_qap->adev = adev;
+
+    if (property_get_bool("vendor.audio.qap.msmd", false)) {
+        DEBUG_MSG("MSMD enabled.");
+        p_qap->qap_msmd_enabled = 1;
+    }
+
+    if (property_get_bool("vendor.audio.qap.output.block.handling", false)) {
+        DEBUG_MSG("out put thread blocking handling enabled.");
+        p_qap->qap_output_block_handling = 1;
+    }
+    pthread_mutex_init(&p_qap->lock, (const pthread_mutexattr_t *) NULL);
+
+    int i = 0;
+
+    for (i = 0; i < MAX_MM_MODULE_TYPE; i++) {
+        char value[PROPERTY_VALUE_MAX] = {0};
+        char lib_name[PROPERTY_VALUE_MAX] = {0};
+        struct qap_module *qap_mod = &(p_qap->qap_mod[i]);
+
+        if (i == MS12) {
+            property_get("vendor.audio.qap.library", value, NULL);
+            snprintf(lib_name, PROPERTY_VALUE_MAX, "%s", value);
+
+            DEBUG_MSG("Opening Ms12 library at %s", lib_name);
+           qap_mod->qap_lib = ( void *) qap_load_library(lib_name);
+            if (qap_mod->qap_lib == NULL) {
+                ERROR_MSG("qap load lib failed for MS12 %s", lib_name);
+                continue;
+            }
+            DEBUG_MSG("Loaded QAP lib at %s", lib_name);
+            pthread_mutex_init(&qap_mod->session_output_lock, (const pthread_mutexattr_t *) NULL);
+            pthread_cond_init(&qap_mod->session_output_cond, (const pthread_condattr_t *)NULL);
+        } else if (i == DTS_M8) {
+            property_get("vendor.audio.qap.m8.library", value, NULL);
+            snprintf(lib_name, PROPERTY_VALUE_MAX, "%s", value);
+            qap_mod->qap_lib = dlopen(lib_name, RTLD_NOW);
+            if (qap_mod->qap_lib == NULL) {
+                ERROR_MSG("DLOPEN failed for DTS M8 %s", lib_name);
+                continue;
+            }
+            DEBUG_MSG("DLOPEN successful for %s", lib_name);
+            pthread_mutex_init(&qap_mod->session_output_lock, (const pthread_mutexattr_t *) NULL);
+            pthread_cond_init(&qap_mod->session_output_cond, (const pthread_condattr_t *)NULL);
+        } else {
+            continue;
+        }
+    }
+
+    DEBUG_MSG("Exit");
+    return 0;
+}
+
+/* Tear down the qap extension. */
+void audio_extn_qap_deinit()
+{
+    int i;
+    DEBUG_MSG("Entry");
+    char value[PROPERTY_VALUE_MAX] = {0};
+    char lib_name[PROPERTY_VALUE_MAX] = {0};
+
+    if (p_qap != NULL) {
+        for (i = 0; i < MAX_MM_MODULE_TYPE; i++) {
+            if (p_qap->qap_mod[i].session_handle != NULL)
+                qap_sess_close(&p_qap->qap_mod[i]);
+
+            if (p_qap->qap_mod[i].qap_lib != NULL) {
+                if (i == MS12) {
+                    property_get("vendor.audio.qap.library", value, NULL);
+                    snprintf(lib_name, PROPERTY_VALUE_MAX, "%s", value);
+                    DEBUG_MSG("lib_name %s", lib_name);
+                    if (QAP_STATUS_OK != qap_unload_library(p_qap->qap_mod[i].qap_lib))
+                        ERROR_MSG("Failed to unload MS12 library lib name %s", lib_name);
+                    else
+                        DEBUG_MSG("closed/unloaded QAP lib at %s", lib_name);
+                    p_qap->qap_mod[i].qap_lib = NULL;
+                } else {
+                    dlclose(p_qap->qap_mod[i].qap_lib);
+                    p_qap->qap_mod[i].qap_lib = NULL;
+                }
+                pthread_mutex_destroy(&p_qap->qap_mod[i].session_output_lock);
+                pthread_cond_destroy(&p_qap->qap_mod[i].session_output_cond);
+            }
+        }
+
+        if (p_qap->passthrough_out) {
+            adev_close_output_stream((struct audio_hw_device *)p_qap->adev,
+                                     (struct audio_stream_out *)(p_qap->passthrough_out));
+            p_qap->passthrough_out = NULL;
+        }
+
+        pthread_mutex_destroy(&p_qap->lock);
+        free(p_qap);
+        p_qap = NULL;
+    }
+    DEBUG_MSG("Exit");
+}
diff --git a/hal/audio_extn/soundtrigger.c b/hal/audio_extn/soundtrigger.c
index a07796a..1e28b86 100644
--- a/hal/audio_extn/soundtrigger.c
+++ b/hal/audio_extn/soundtrigger.c
@@ -84,6 +84,7 @@
     AUDIO_EVENT_CAPTURE_STREAM_INACTIVE,
     AUDIO_EVENT_CAPTURE_STREAM_ACTIVE,
     AUDIO_EVENT_BATTERY_STATUS_CHANGED,
+    AUDIO_EVENT_SCREEN_STATUS_CHANGED,
     AUDIO_EVENT_GET_PARAM,
     AUDIO_EVENT_UPDATE_ECHO_REF
 } audio_event_type_t;
@@ -273,10 +274,42 @@
 
 static void stdev_snd_mon_cb(void * stream __unused, struct str_parms * parms)
 {
+    audio_event_info_t event;
+    char value[32];
+    int ret = 0;
+
     if (!parms)
         return;
 
-    audio_extn_sound_trigger_set_parameters(NULL, parms);
+    ret = str_parms_get_str(parms, "SND_CARD_STATUS", value,
+                            sizeof(value));
+    if (ret > 0) {
+        if (strstr(value, "OFFLINE")) {
+            event.u.status = SND_CARD_STATUS_OFFLINE;
+            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
+        }
+        else if (strstr(value, "ONLINE")) {
+            event.u.status = SND_CARD_STATUS_ONLINE;
+            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
+        }
+        else
+            ALOGE("%s: unknown snd_card_status", __func__);
+    }
+
+    ret = str_parms_get_str(parms, "CPE_STATUS", value, sizeof(value));
+    if (ret > 0) {
+        if (strstr(value, "OFFLINE")) {
+            event.u.status = CPE_STATUS_OFFLINE;
+            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
+        }
+        else if (strstr(value, "ONLINE")) {
+            event.u.status = CPE_STATUS_ONLINE;
+            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
+        }
+        else
+            ALOGE("%s: unknown CPE status", __func__);
+    }
+
     return;
 }
 
@@ -605,6 +638,17 @@
     st_dev->st_callback(AUDIO_EVENT_BATTERY_STATUS_CHANGED, &ev_info);
 }
 
+void audio_extn_sound_trigger_update_screen_status(bool screen_off)
+{
+    struct audio_event_info ev_info = {{0}, {0}};
+
+    if (!st_dev)
+        return;
+
+    ev_info.u.value = screen_off;
+    st_dev->st_callback(AUDIO_EVENT_SCREEN_STATUS_CHANGED, &ev_info);
+}
+
 
 void audio_extn_sound_trigger_set_parameters(struct audio_device *adev __unused,
                                struct str_parms *params)
@@ -618,34 +662,7 @@
         return;
     }
 
-    ret = str_parms_get_str(params, "SND_CARD_STATUS", value,
-                            sizeof(value));
-    if (ret > 0) {
-        if (strstr(value, "OFFLINE")) {
-            event.u.status = SND_CARD_STATUS_OFFLINE;
-            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
-        }
-        else if (strstr(value, "ONLINE")) {
-            event.u.status = SND_CARD_STATUS_ONLINE;
-            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
-        }
-        else
-            ALOGE("%s: unknown snd_card_status", __func__);
-    }
-
-    ret = str_parms_get_str(params, "CPE_STATUS", value, sizeof(value));
-    if (ret > 0) {
-        if (strstr(value, "OFFLINE")) {
-            event.u.status = CPE_STATUS_OFFLINE;
-            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
-        }
-        else if (strstr(value, "ONLINE")) {
-            event.u.status = CPE_STATUS_ONLINE;
-            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
-        }
-        else
-            ALOGE("%s: unknown CPE status", __func__);
-    }
+    stdev_snd_mon_cb(NULL, params);
 
     ret = str_parms_get_int(params, "SVA_NUM_SESSIONS", &val);
     if (ret >= 0) {
diff --git a/hal/audio_extn/utils.c b/hal/audio_extn/utils.c
index d66b368..30bc10d 100644
--- a/hal/audio_extn/utils.c
+++ b/hal/audio_extn/utils.c
@@ -37,6 +37,7 @@
 #include "platform.h"
 #include "platform_api.h"
 #include "audio_extn.h"
+#include "voice_extn.h"
 #include "voice.h"
 #include <sound/compress_params.h>
 #include <sound/compress_offload.h>
@@ -1249,6 +1250,88 @@
     return rc;
 }
 
+static int audio_extn_utils_check_input_parameters(uint32_t sample_rate,
+                                  audio_format_t format,
+                                  int channel_count)
+{
+    int ret = 0;
+
+    if (((format != AUDIO_FORMAT_PCM_16_BIT) && (format != AUDIO_FORMAT_PCM_8_24_BIT) &&
+        (format != AUDIO_FORMAT_PCM_24_BIT_PACKED) && (format != AUDIO_FORMAT_PCM_32_BIT) &&
+        (format != AUDIO_FORMAT_PCM_FLOAT)) &&
+        !voice_extn_compress_voip_is_format_supported(format) &&
+        !audio_extn_compr_cap_format_supported(format) &&
+        !audio_extn_cin_format_supported(format))
+            ret = -EINVAL;
+
+    switch (channel_count) {
+    case 1:
+    case 2:
+    case 3:
+    case 4:
+    case 6:
+    case 8:
+        break;
+    default:
+        ret = -EINVAL;
+    }
+
+    switch (sample_rate) {
+    case 8000:
+    case 11025:
+    case 12000:
+    case 16000:
+    case 22050:
+    case 24000:
+    case 32000:
+    case 44100:
+    case 48000:
+    case 88200:
+    case 96000:
+    case 176400:
+    case 192000:
+        break;
+    default:
+        ret = -EINVAL;
+    }
+
+    return ret;
+}
+
+static inline uint32_t audio_extn_utils_nearest_multiple(uint32_t num, uint32_t multiplier)
+{
+    uint32_t remainder = 0;
+
+    if (!multiplier)
+        return num;
+
+    remainder = num % multiplier;
+    if (remainder)
+        num += (multiplier - remainder);
+
+    return num;
+}
+
+static inline uint32_t audio_extn_utils_lcm(uint32_t num1, uint32_t num2)
+{
+    uint32_t high = num1, low = num2, temp = 0;
+
+    if (!num1 || !num2)
+        return 0;
+
+    if (num1 < num2) {
+         high = num2;
+         low = num1;
+    }
+
+    while (low != 0) {
+        temp = low;
+        low = high % low;
+        high = temp;
+    }
+    return (num1 * num2)/high;
+}
+
 int audio_extn_utils_send_app_type_cfg(struct audio_device *adev,
                                        struct audio_usecase *usecase)
 {
@@ -1442,11 +1525,15 @@
 
 uint32_t get_alsa_fragment_size(uint32_t bytes_per_sample,
                                   uint32_t sample_rate,
-                                  uint32_t noOfChannels)
+                                  uint32_t noOfChannels,
+                                  int64_t duration_ms)
 {
     uint32_t fragment_size = 0;
     uint32_t pcm_offload_time = PCM_OFFLOAD_BUFFER_DURATION;
 
+    if (duration_ms >= MIN_OFFLOAD_BUFFER_DURATION_MS && duration_ms <= MAX_OFFLOAD_BUFFER_DURATION_MS)
+        pcm_offload_time = duration_ms;
+
     fragment_size = (pcm_offload_time
                      * sample_rate
                      * bytes_per_sample
@@ -1481,7 +1568,8 @@
     out->compr_config.fragment_size =
              get_alsa_fragment_size(hal_op_bytes_per_sample,
                                       out->sample_rate,
-                                      popcount(out->channel_mask));
+                                      popcount(out->channel_mask),
+                                      out->info.duration_us / 1000);
 
     if ((src_format != dst_format) &&
          hal_op_bytes_per_sample != hal_ip_bytes_per_sample) {
@@ -2860,3 +2948,51 @@
 
     return is_running_with_enhanced_fwk;
 }
+
+int audio_extn_utils_get_perf_mode_flag(void)
+{
+#ifdef COMPRESSED_PERF_MODE_FLAG
+    return COMPRESSED_PERF_MODE_FLAG;
+#else
+    return 0;
+#endif
+}
+
+size_t audio_extn_utils_get_input_buffer_size(uint32_t sample_rate,
+                                            audio_format_t format,
+                                            int channel_count,
+                                            int64_t duration_ms,
+                                            bool is_low_latency)
+{
+    size_t size = 0;
+    size_t capture_duration = AUDIO_CAPTURE_PERIOD_DURATION_MSEC;
+    uint32_t bytes_per_period_sample = 0;
+
+
+    if (audio_extn_utils_check_input_parameters(sample_rate, format, channel_count) != 0)
+        return 0;
+
+    if (duration_ms >= MIN_OFFLOAD_BUFFER_DURATION_MS && duration_ms <= MAX_OFFLOAD_BUFFER_DURATION_MS)
+        capture_duration = duration_ms;
+
+    size = (sample_rate * capture_duration) / 1000;
+    if (is_low_latency)
+        size = LOW_LATENCY_CAPTURE_PERIOD_SIZE;
+
+
+    bytes_per_period_sample = audio_bytes_per_sample(format) * channel_count;
+    size *= bytes_per_period_sample;
+
+    /* make sure the size is multiple of 32 bytes and additionally multiple of
+     * the frame_size (required for 24bit samples and non-power-of-2 channel counts)
+     * At 48 kHz mono 16-bit PCM:
+     *  5.000 ms = 240 frames = 15*16*1*2 = 480, a whole multiple of 32 (15)
+     *  3.333 ms = 160 frames = 10*16*1*2 = 320, a whole multiple of 32 (10)
+     *
+     *  The loop reaches result within 32 iterations, as initial size is
+     *  already a multiple of frame_size
+     */
+    size = audio_extn_utils_nearest_multiple(size, audio_extn_utils_lcm(32, bytes_per_period_sample));
+
+    return size;
+}
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 739a0bf..b759f4d 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -505,6 +505,10 @@
 static int out_set_voip_volume(struct audio_stream_out *stream, float left, float right);
 static int out_set_pcm_volume(struct audio_stream_out *stream, float left, float right);
 
+static void adev_snd_mon_cb(void *cookie, struct str_parms *parms);
+static void in_snd_mon_cb(void * stream, struct str_parms * parms);
+static void out_snd_mon_cb(void * stream, struct str_parms * parms);
+
 #ifdef AUDIO_FEATURE_ENABLED_GCOV
 extern void  __gcov_flush();
 static void enable_gcov()
@@ -2698,15 +2702,18 @@
                     (usecase->stream.out->sample_rate < OUTPUT_SAMPLING_RATE_44100)) {
             usecase->stream.out->app_type_cfg.sample_rate = DEFAULT_OUTPUT_SAMPLING_RATE;
         }
+    }
+    enable_audio_route(adev, usecase);
 
-        /* Notify device change info to effect clients registered */
+    /* Notify device change info to effect clients registered */
+    if (usecase->type == PCM_PLAYBACK) {
         audio_extn_gef_notify_device_config(
                 usecase->stream.out->devices,
                 usecase->stream.out->channel_mask,
                 usecase->stream.out->app_type_cfg.sample_rate,
-                platform_get_snd_device_acdb_id(usecase->out_snd_device));
+                platform_get_snd_device_acdb_id(usecase->out_snd_device),
+                usecase->stream.out->app_type_cfg.app_type);
     }
-    enable_audio_route(adev, usecase);
 
     audio_extn_qdsp_set_device(usecase);
 
@@ -2909,8 +2916,10 @@
     if (audio_extn_ext_hw_plugin_usecase_start(adev->ext_hw_plugin, uc_info))
         ALOGE("%s: failed to start ext hw plugin", __func__);
 
+    android_atomic_acquire_cas(true, false, &(in->capture_stopped));
+
     if (audio_extn_cin_attached_usecase(in->usecase)) {
-       ret = audio_extn_cin_start_input_stream(in);
+       ret = audio_extn_cin_open_input_stream(in);
        if (ret)
            goto error_open;
        else
@@ -5117,6 +5126,24 @@
             volume[1] = (long)(AmpToDb(right));
             mixer_ctl_set_array(ctl, volume, sizeof(volume)/sizeof(volume[0]));
             return 0;
+        } else if ((out->devices & AUDIO_DEVICE_OUT_BUS) &&
+                (audio_extn_auto_hal_get_snd_device_for_car_audio_stream(out) ==
+                    SND_DEVICE_OUT_BUS_MEDIA)) {
+            ALOGD("%s: Overriding offload set volume for media bus stream", __func__);
+            struct listnode *node = NULL;
+            list_for_each(node, &adev->active_outputs_list) {
+                streams_output_ctxt_t *out_ctxt = node_to_item(node,
+                                                    streams_output_ctxt_t,
+                                                    list);
+                if (out_ctxt->output->usecase == USECASE_AUDIO_PLAYBACK_MEDIA) {
+                    out->volume_l = out_ctxt->output->volume_l;
+                    out->volume_r = out_ctxt->output->volume_r;
+                }
+            }
+            if (!out->a2dp_compress_mute) {
+                ret = out_set_compr_volume(&out->stream, out->volume_l, out->volume_r);
+            }
+            return ret;
         } else {
             pthread_mutex_lock(&out->compr_mute_lock);
             ALOGV("%s: compress mute %d", __func__, out->a2dp_compress_mute);
@@ -6228,7 +6255,7 @@
             in->capture_started = false;
         } else {
             if (audio_extn_cin_attached_usecase(in->usecase))
-                audio_extn_cin_stop_input_stream(in);
+                audio_extn_cin_close_input_stream(in);
         }
 
         if (in->pcm) {
@@ -6532,6 +6559,13 @@
         in->standby = 0;
     }
 
+    /* Avoid read if capture_stopped is set */
+    if (android_atomic_acquire_load(&(in->capture_stopped)) > 0) {
+        ALOGD("%s: force stopped catpure session, ignoring read request", __func__);
+        ret = -EINVAL;
+        goto exit;
+    }
+
     // what's the duration requested by the client?
     long ns = 0;
 
@@ -7380,6 +7414,11 @@
             ALOGV("non-offload DIRECT_usecase ... usecase selected %d ", out->usecase);
         }
 
+        if (out->flags & AUDIO_OUTPUT_FLAG_FAST) {
+            ALOGD("%s: Setting latency mode to true", __func__);
+            out->compr_config.codec->flags |= audio_extn_utils_get_perf_mode_flag();
+        }
+
         if (out->usecase == USECASE_INVALID) {
             if (out->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL &&
                     config->format == 0 && config->sample_rate == 0 &&
@@ -7463,6 +7502,10 @@
 
             out->compr_config.fragments = DIRECT_PCM_NUM_FRAGMENTS;
 
+            if ((config->offload_info.duration_us >= MIN_OFFLOAD_BUFFER_DURATION_MS * 1000) &&
+                   (config->offload_info.duration_us <= MAX_OFFLOAD_BUFFER_DURATION_MS * 1000))
+                out->info.duration_us = (int64_t)config->offload_info.duration_us;
+
             /* Check if alsa session is configured with the same format as HAL input format,
              * if not then derive correct fragment size needed to accomodate the
              * conversion of HAL input format to alsa format.
@@ -8031,6 +8074,23 @@
     if (!parms)
         goto error;
 
+    /* notify adev and input/output streams on the snd card status */
+    adev_snd_mon_cb((void *)adev, parms);
+
+    list_for_each(node, &adev->active_outputs_list) {
+        streams_output_ctxt_t *out_ctxt = node_to_item(node,
+                                            streams_output_ctxt_t,
+                                            list);
+        out_snd_mon_cb((void *)out_ctxt->output, parms);
+    }
+
+    list_for_each(node, &adev->active_inputs_list) {
+        streams_input_ctxt_t *in_ctxt = node_to_item(node,
+                                            streams_input_ctxt_t,
+                                            list);
+        in_snd_mon_cb((void *)in_ctxt->input, parms);
+    }
+
     pthread_mutex_lock(&adev->lock);
     ret = str_parms_get_str(parms, "BT_SCO", value, sizeof(value));
     if (ret >= 0) {
@@ -8079,6 +8139,7 @@
             adev->screen_off = false;
         else
             adev->screen_off = true;
+        audio_extn_sound_trigger_update_screen_status(adev->screen_off);
     }
 
     ret = str_parms_get_int(parms, "rotation", &val);
@@ -8181,6 +8242,21 @@
                 adev->allow_afe_proxy_usage = true;
             }
         }
+        if (audio_is_a2dp_out_device(device)) {
+           struct audio_usecase *usecase;
+           struct listnode *node;
+           list_for_each(node, &adev->usecase_list) {
+               usecase = node_to_item(node, struct audio_usecase, list);
+               if (PCM_PLAYBACK == usecase->type && usecase->stream.out &&
+                  (usecase->stream.out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) &&
+                   usecase->stream.out->a2dp_compress_mute) {
+                   struct stream_out *out = usecase->stream.out;
+                   ALOGD("Unmuting the stream when Bt-A2dp disconnected and stream is mute");
+                   out->a2dp_compress_mute = false;
+                   out_set_compr_volume(&out->stream, out->volume_l, out->volume_r);
+               }
+           }
+        }
     }
 
     audio_extn_hfp_set_parameters(adev, parms);
@@ -8195,13 +8271,17 @@
             if (usecase->stream.out && (usecase->type == PCM_PLAYBACK) &&
                 (usecase->devices & AUDIO_DEVICE_OUT_ALL_A2DP)){
                 ALOGD("reconfigure a2dp... forcing device switch");
-
                 pthread_mutex_unlock(&adev->lock);
                 lock_output_stream(usecase->stream.out);
                 pthread_mutex_lock(&adev->lock);
                 audio_extn_a2dp_set_handoff_mode(true);
+                ALOGD("Switching to speaker and muting the stream before select_devices");
+                check_a2dp_restore_l(adev, usecase->stream.out, false);
                 //force device switch to re configure encoder
                 select_devices(adev, usecase->id);
+                ALOGD("Unmuting the stream after select_devices");
+                usecase->stream.out->a2dp_compress_mute = false;
+                out_set_compr_volume(&usecase->stream.out->stream, usecase->stream.out->volume_l, usecase->stream.out->volume_r);
                 audio_extn_a2dp_set_handoff_mode(false);
                 pthread_mutex_unlock(&usecase->stream.out->lock);
                 break;
@@ -8709,6 +8789,8 @@
     }
 
     if (config->sample_rate == LOW_LATENCY_CAPTURE_SAMPLE_RATE &&
+            (flags & AUDIO_INPUT_FLAG_TIMESTAMP) == 0 &&
+            (flags & AUDIO_INPUT_FLAG_COMPRESS) == 0 &&
             (flags & AUDIO_INPUT_FLAG_FAST) != 0) {
         is_low_latency = true;
 #if LOW_LATENCY_CAPTURE_USE_CASE
@@ -8829,7 +8911,7 @@
                    (in->dev->mode != AUDIO_MODE_IN_COMMUNICATION)) {
             audio_extn_compr_cap_init(in);
         } else if (audio_extn_cin_applicable_stream(in)) {
-            ret = audio_extn_cin_configure_input_stream(in);
+            ret = audio_extn_cin_configure_input_stream(in, config);
             if (ret)
                 goto err_open;
         } else {
@@ -8880,7 +8962,7 @@
                     ALOGV("%s: overriding usecase with USECASE_AUDIO_RECORD_COMPRESS2 and appending compress flag", __func__);
                     if (audio_extn_cin_applicable_stream(in)) {
                         in->sample_rate = config->sample_rate;
-                        ret = audio_extn_cin_configure_input_stream(in);
+                        ret = audio_extn_cin_configure_input_stream(in, config);
                         if (ret)
                             goto err_open;
                     }
@@ -9007,7 +9089,7 @@
         audio_extn_compr_cap_deinit();
 
     if (audio_extn_cin_attached_usecase(in->usecase))
-        audio_extn_cin_close_input_stream(in);
+        audio_extn_cin_free_input_stream_resources(in);
 
     if (in->is_st_session) {
         ALOGV("%s: sound trigger pcm stop lab", __func__);
@@ -9233,6 +9315,8 @@
         audio_extn_utils_release_streams_cfg_lists(
                       &adev->streams_output_cfg_list,
                       &adev->streams_input_cfg_list);
+        if (audio_extn_qap_is_enabled())
+            audio_extn_qap_deinit();
         if (audio_extn_qaf_is_enabled())
             audio_extn_qaf_deinit();
         audio_route_free(adev->audio_route);
@@ -9343,7 +9427,7 @@
             select_devices(adev, uc_info->id);
             pthread_mutex_lock(&out->compr_mute_lock);
             if ((out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) &&
-                (out->a2dp_compress_mute)) {
+                (out->a2dp_compress_mute) && (uc_info->out_snd_device == SND_DEVICE_OUT_BT_A2DP)) {
                 out->a2dp_compress_mute = false;
                 out_set_compr_volume(&out->stream, out->volume_l, out->volume_r);
             }
@@ -9513,6 +9597,20 @@
     }
 
     adev->extspk = audio_extn_extspk_init(adev);
+    if (audio_extn_qap_is_enabled()) {
+        ret = audio_extn_qap_init(adev);
+        if (ret < 0) {
+            pthread_mutex_destroy(&adev->lock);
+            free(adev);
+            adev = NULL;
+            ALOGE("%s: Failed to init platform data, aborting.", __func__);
+            *device = NULL;
+            pthread_mutex_unlock(&adev_init_lock);
+            return ret;
+        }
+        adev->device.open_output_stream = audio_extn_qap_open_output_stream;
+        adev->device.close_output_stream = audio_extn_qap_close_output_stream;
+    }
 
     if (audio_extn_qaf_is_enabled()) {
         ret = audio_extn_qaf_init(adev);
diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index df29413..4810896 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -399,6 +399,7 @@
     card_status_t card_status;
 
     void* qaf_stream_handle;
+    void* qap_stream_handle;
     pthread_cond_t qaf_offload_cond;
     pthread_t qaf_offload_thread;
     struct listnode qaf_offload_cmd_list;
@@ -472,6 +473,8 @@
     float zoom;
     audio_microphone_direction_t direction;
 
+    volatile int32_t capture_stopped;
+
     /* Array of supported channel mask configurations. +1 so that the last entry is always 0 */
     audio_channel_mask_t supported_channel_masks[MAX_SUPPORTED_CHANNEL_MASKS + 1];
     audio_format_t supported_formats[MAX_SUPPORTED_FORMATS + 1];
diff --git a/hal/audio_hw_extn_api.c b/hal/audio_hw_extn_api.c
index af73375..22c8685 100644
--- a/hal/audio_hw_extn_api.c
+++ b/hal/audio_hw_extn_api.c
@@ -34,6 +34,7 @@
 #include <inttypes.h>
 #include <errno.h>
 #include <log/log.h>
+#include <cutils/atomic.h>
 
 #include <hardware/audio.h>
 #include "sound/compress_params.h"
@@ -190,6 +191,31 @@
     return ret;
 }
 
+int qahwi_in_stop(struct audio_stream_in* stream) {
+    struct stream_in *in = (struct stream_in *)stream;
+    struct audio_device *adev = in->dev;
+
+    ALOGD("%s processing, in %p", __func__, in);
+
+    pthread_mutex_lock(&adev->lock);
+
+    if (!in->standby) {
+        if (in->pcm != NULL ) {
+            pcm_stop(in->pcm);
+        } else if (audio_extn_cin_attached_usecase(in->usecase)) {
+            audio_extn_cin_stop_input_stream(in);
+        }
+
+        /* Set the atomic variable when the session is stopped */
+        if (android_atomic_acquire_cas(false, true, &(in->capture_stopped)) == 0)
+            ALOGI("%s: capture_stopped bit set", __func__);
+    }
+
+    pthread_mutex_unlock(&adev->lock);
+
+    return 0;
+}
+
 ssize_t qahwi_in_read_v2(struct audio_stream_in *stream, void* buffer,
                           size_t bytes, uint64_t *timestamp)
 {
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index e6989f6..8b9b53d 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -4206,7 +4206,7 @@
         * enforced audible (e.g. Camera shutter sound).
         */
         if ((mode == AUDIO_MODE_IN_CALL) ||
-            voice_is_in_call(adev) ||
+            voice_check_voicecall_usecases_active(adev) ||
             voice_extn_compress_voip_is_active(adev))
                 is_active_voice_call = true;
 
@@ -4289,7 +4289,7 @@
     }
 
     if ((mode == AUDIO_MODE_IN_CALL) ||
-        voice_is_in_call(adev) ||
+        voice_check_voicecall_usecases_active(adev) ||
         voice_extn_compress_voip_is_active(adev)) {
         if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
             devices & AUDIO_DEVICE_OUT_WIRED_HEADSET ||
@@ -4665,8 +4665,10 @@
     ALOGV("%s: enter: out_device(%#x) in_device(%#x) channel_count (%d) channel_mask (0x%x)",
           __func__, out_device, in_device, channel_count, channel_mask);
     if (my_data->external_mic) {
-        if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) || voice_is_in_call(adev) ||
-            voice_extn_compress_voip_is_active(adev) || audio_extn_hfp_is_active(adev))) {
+        if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) ||
+            voice_check_voicecall_usecases_active(adev) ||
+            voice_extn_compress_voip_is_active(adev) ||
+            audio_extn_hfp_is_active(adev))) {
             if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
                out_device & AUDIO_DEVICE_OUT_EARPIECE ||
                out_device & AUDIO_DEVICE_OUT_SPEAKER )
@@ -4680,8 +4682,10 @@
     if (snd_device != AUDIO_DEVICE_NONE)
         goto exit;
 
-    if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) || voice_is_in_call(adev) ||
-        voice_extn_compress_voip_is_active(adev) || audio_extn_hfp_is_active(adev))) {
+    if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) ||
+        voice_check_voicecall_usecases_active(adev) ||
+        voice_extn_compress_voip_is_active(adev) ||
+        audio_extn_hfp_is_active(adev))) {
         if ((adev->voice.tty_mode != TTY_MODE_OFF) &&
             !voice_extn_compress_voip_is_active(adev)) {
             if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 459c37c..0988ad1 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -89,7 +89,9 @@
     defined (PLATFORM_QCS605) || defined (PLATFORM_MSMNILE) || \
     defined (PLATFORM_KONA) || defined (PLATFORM_MSMSTEPPE) || \
     defined (PLATFORM_QCS405) || defined (PLATFORM_TRINKET) || \
-    defined (PLATFORM_LITO) || defined (PLATFORM_MSMFALCON)
+    defined (PLATFORM_LITO) || defined (PLATFORM_MSMFALCON) || \
+    defined (PLATFORM_ATOLL)
+
 #include <sound/devdep_params.h>
 #endif
 
@@ -2017,7 +2019,9 @@
         !strncmp(snd_card_name, "sdx-tavil-i2s-snd-card",
                  sizeof("sdx-tavil-i2s-snd-card")) ||
         !strncmp(snd_card_name, "sda845-tavil-i2s-snd-card",
-                 sizeof("sda845-tavil-i2s-snd-card"))) {
+                 sizeof("sda845-tavil-i2s-snd-card")) ||
+        !strncmp(snd_card_name, "sa6155-adp-star-snd-card",
+                 sizeof("sa6155-adp-star-snd-card"))) {
         plat_data->is_i2s_ext_modem = true;
     }
     ALOGV("%s, is_i2s_ext_modem:%d soundcard name is %s",__func__,
@@ -2026,6 +2030,20 @@
     return plat_data->is_i2s_ext_modem;
 }
 
+static bool is_auto_snd_card(const char *snd_card_name)
+{
+    bool is_auto_snd_card = false;
+
+    if (!strncmp(snd_card_name, "sa6155-adp-star-snd-card",
+                 sizeof("sa6155-adp-star-snd-card"))) {
+        is_auto_snd_card = true;
+        ALOGV("%s : Auto snd card detected: soundcard name is %s",__func__,
+               snd_card_name);
+    }
+
+    return is_auto_snd_card;
+}
+
 static void set_platform_defaults(struct platform_data * my_data)
 {
     int32_t dev;
@@ -2923,7 +2941,8 @@
         return NULL;
     }
 
-    if (platform_is_i2s_ext_modem(snd_card_name, my_data)) {
+    if (platform_is_i2s_ext_modem(snd_card_name, my_data) &&
+        !is_auto_snd_card(snd_card_name)) {
         ALOGD("%s: Call MIXER_XML_PATH_I2S", __func__);
 
         adev->audio_route = audio_route_init(adev->snd_card,
@@ -3161,7 +3180,7 @@
 
 
     /* Initialize ACDB ID's */
-    if (my_data->is_i2s_ext_modem)
+    if (my_data->is_i2s_ext_modem && !is_auto_snd_card(snd_card_name))
         platform_info_init(PLATFORM_INFO_XML_PATH_I2S, my_data, PLATFORM);
     else if (!strncmp(snd_card_name, "sdm660-snd-card-skush",
                sizeof("sdm660-snd-card-skush")))
@@ -3360,6 +3379,7 @@
     property_get("ro.baseband", baseband, "");
     if ((!strncmp("apq8084", platform, sizeof("apq8084")) ||
         !strncmp("msm8996", platform, sizeof("msm8996")) ||
+        !strncmp("sm6150", platform, sizeof("sm6150")) ||
         !strncmp("sdx", platform, sizeof("sdx")) ||
         !strncmp("sdm845", platform, sizeof("sdm845"))) &&
         ( !strncmp("mdm", baseband, (sizeof("mdm")-1)) ||
@@ -4814,6 +4834,9 @@
                 else if (strncmp(backend_tag_table[snd_device], "headphones",
                             sizeof("headphones")) == 0)
                         port = HEADPHONE_BACKEND;
+                else if (strncmp(backend_tag_table[snd_device], "headset",
+                            sizeof("headset")) == 0)
+                        port = HEADPHONE_BACKEND;
                 else if (strcmp(backend_tag_table[snd_device], "hdmi") == 0)
                         port = HDMI_RX_BACKEND;
                 else if (strcmp(backend_tag_table[snd_device], "display-port") == 0)
@@ -5591,7 +5614,7 @@
         * enforced audible (e.g. Camera shutter sound).
         */
         if ((mode == AUDIO_MODE_IN_CALL) ||
-            voice_is_in_call(adev) ||
+            voice_check_voicecall_usecases_active(adev) ||
             voice_extn_compress_voip_is_active(adev))
                 is_active_voice_call = true;
 
@@ -5715,7 +5738,7 @@
     }
 
     if ((mode == AUDIO_MODE_IN_CALL) ||
-        voice_is_in_call(adev) ||
+        voice_check_voicecall_usecases_active(adev) ||
         voice_extn_compress_voip_is_active(adev) ||
         adev->enable_voicerx ||
         audio_extn_hfp_is_active(adev)) {
@@ -6212,8 +6235,10 @@
     ALOGV("%s: enter: out_device(%#x) in_device(%#x) channel_count (%d) channel_mask (0x%x)",
           __func__, out_device, in_device, channel_count, channel_mask);
     if (my_data->external_mic) {
-        if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) || voice_is_in_call(adev) ||
-            voice_extn_compress_voip_is_active(adev) || audio_extn_hfp_is_active(adev))) {
+        if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) ||
+            voice_check_voicecall_usecases_active(adev) ||
+            voice_extn_compress_voip_is_active(adev) ||
+            audio_extn_hfp_is_active(adev))) {
             if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
                out_device & AUDIO_DEVICE_OUT_EARPIECE ||
                out_device & AUDIO_DEVICE_OUT_SPEAKER )
@@ -6227,8 +6252,10 @@
     if (snd_device != AUDIO_DEVICE_NONE)
         goto exit;
 
-    if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) || voice_is_in_call(adev) ||
-        voice_extn_compress_voip_is_active(adev) || audio_extn_hfp_is_active(adev))) {
+    if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) ||
+        voice_check_voicecall_usecases_active(adev) ||
+        voice_extn_compress_voip_is_active(adev) ||
+        audio_extn_hfp_is_active(adev))) {
         if ((adev->voice.tty_mode != TTY_MODE_OFF) &&
             !voice_extn_compress_voip_is_active(adev)) {
             if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
@@ -7896,15 +7923,20 @@
     case USECASE_AUDIO_PLAYBACK_MULTI_CH:
     case USECASE_AUDIO_PLAYBACK_OFFLOAD:
     case USECASE_AUDIO_PLAYBACK_OFFLOAD2:
-        needs_event = true;
-        break;
-    /* concurrent playback in low latency allowed */
-    case USECASE_AUDIO_PLAYBACK_LOW_LATENCY:
-        break;
-    /* concurrent playback FM needs event */
     case USECASE_AUDIO_PLAYBACK_FM:
         needs_event = true;
         break;
+    case USECASE_AUDIO_PLAYBACK_ULL:
+    case USECASE_AUDIO_PLAYBACK_MMAP:
+        if (property_get_bool("persist.vendor.audio.ull_playback_bargein",
+            false))
+            needs_event = true;
+        break;
+    case USECASE_AUDIO_PLAYBACK_LOW_LATENCY:
+        if (property_get_bool("persist.vendor.audio.ll_playback_bargein",
+            false))
+            needs_event = true;
+        break;
 
     /* concurrent capture usecases which needs event */
     case USECASE_AUDIO_RECORD:
@@ -7948,6 +7980,9 @@
 {
     char value[PROPERTY_VALUE_MAX] = {0};
     uint32_t fragment_size = COMPRESS_OFFLOAD_FRAGMENT_SIZE;
+    uint32_t new_fragment_size = 0;
+    int32_t duration_ms = 0;
+    int channel_count = 0;
     if((property_get("vendor.audio.offload.buffer.size.kb", value, "")) &&
             atoi(value)) {
         fragment_size =  atoi(value) * 1024;
@@ -7961,6 +7996,17 @@
         fragment_size = info->offload_buffer_size;
     }
 
+    /* Use client specified buffer size if mentioned */
+    if ((info != NULL) && (info->duration_us > 0)) {
+        duration_ms = info->duration_us / 1000;
+        channel_count = audio_channel_count_from_in_mask(info->channel_mask);
+
+        new_fragment_size = (duration_ms * info->sample_rate * channel_count * audio_bytes_per_sample(info->format)) / 1000;
+        ALOGI("%s:: Overwriting offload buffer size with client requested size old:%d new:%d", __func__, fragment_size, new_fragment_size);
+
+        fragment_size = new_fragment_size;
+    }
+
     if (info != NULL) {
         if (info->is_streaming && info->has_video) {
             fragment_size = COMPRESS_OFFLOAD_FRAGMENT_SIZE_FOR_AV_STREAMING;
@@ -10591,7 +10637,8 @@
     defined (PLATFORM_QCS605) || defined (PLATFORM_MSMNILE) || \
     defined (PLATFORM_KONA) || defined (PLATFORM_MSMSTEPPE) || \
     defined (PLATFORM_QCS405) || defined (PLATFORM_TRINKET) || \
-    defined (PLATFORM_LITO) || defined (PLATFORM_MSMFALCON)
+    defined (PLATFORM_LITO) || defined (PLATFORM_MSMFALCON) || \
+    defined (PLATFORM_ATOLL)
 int platform_get_mmap_data_fd(void *platform, int fe_dev, int dir, int *fd,
                               uint32_t *size)
 {
diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index 1d56a7e..7b4647a 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -480,7 +480,8 @@
     defined (PLATFORM_QCS605) ||defined (PLATFORM_SDX24) || \
     defined (PLATFORM_MSMNILE) || defined (PLATFORM_KONA) || \
     defined (PLATFORM_MSMSTEPPE) || defined (PLATFORM_QCS405) || \
-    defined (PLATFORM_TRINKET) || defined (PLATFORM_LITO)
+    defined (PLATFORM_TRINKET) || defined (PLATFORM_LITO) || \
+    defined (PLATFORM_ATOLL)
 #define PLAYBACK_OFFLOAD_DEVICE2 17
 #elif defined (PLATFORM_MSMFALCON) || defined (PLATFORM_MSM8937)
 #define PLAYBACK_OFFLOAD_DEVICE2 24
@@ -493,7 +494,7 @@
     defined (PLATFORM_KONA) || defined (PLATFORM_MSMSTEPPE) || \
     defined (PLATFORM_QCS405) || defined (PLATFORM_TRINKET) || \
     defined (PLATFORM_LITO) || defined (PLATFORM_MSMFALCON) || \
-    defined (PLATFORM_MSM8937)
+    defined (PLATFORM_MSM8937) || defined (PLATFORM_ATOLL)
 #define PLAYBACK_OFFLOAD_DEVICE3 18
 #define PLAYBACK_OFFLOAD_DEVICE4 34
 #define PLAYBACK_OFFLOAD_DEVICE5 35
@@ -585,6 +586,14 @@
 #define VOLTE_CALL_PCM_DEVICE 15
 #define QCHAT_CALL_PCM_DEVICE 37
 #define VOWLAN_CALL_PCM_DEVICE 16
+#elif PLATFORM_AUTO
+#define HOST_LESS_RX_ID 41
+#define HOST_LESS_TX_ID 42
+#define VOICE_CALL_PCM_DEVICE 8
+#define VOICE2_CALL_PCM_DEVICE -1
+#define VOLTE_CALL_PCM_DEVICE -1
+#define QCHAT_CALL_PCM_DEVICE -1
+#define VOWLAN_CALL_PCM_DEVICE -1
 #else
 #define VOICE_CALL_PCM_DEVICE 2
 #define VOICE2_CALL_PCM_DEVICE 22
diff --git a/hal/platform_info.c b/hal/platform_info.c
index 8ee8b07..827c558 100644
--- a/hal/platform_info.c
+++ b/hal/platform_info.c
@@ -653,6 +653,8 @@
     }
 
     str_parms_add_str(my_data.kvpairs, (char*)attr[1], (char*)attr[3]);
+    if (my_data.caller == PLATFORM)
+        platform_set_parameters(my_data.platform, my_data.kvpairs);
 done:
     return;
 }
@@ -1387,9 +1389,6 @@
         section = ROOT;
     } else if (strcmp(tag_name, "config_params") == 0) {
         section = ROOT;
-        if (my_data.caller == PLATFORM) {
-            platform_set_parameters(my_data.platform, my_data.kvpairs);
-        }
     } else if (strcmp(tag_name, "operator_specific") == 0) {
         section = ROOT;
     } else if (strcmp(tag_name, "interface_names") == 0) {
diff --git a/hal/voice.c b/hal/voice.c
index 729ab27..c455537 100644
--- a/hal/voice.c
+++ b/hal/voice.c
@@ -48,6 +48,10 @@
     .format = PCM_FORMAT_S16_LE,
 };
 
+#ifdef PLATFORM_AUTO
+struct pcm *voice_loopback_tx = NULL;
+struct pcm *voice_loopback_rx = NULL;
+#endif
 static struct voice_session *voice_get_session_from_use_case(struct audio_device *adev,
                               audio_usecase_t usecase_id)
 {
@@ -182,6 +186,16 @@
         session->pcm_tx = NULL;
     }
 
+#ifdef PLATFORM_AUTO
+    if(voice_loopback_rx) {
+        pcm_close(voice_loopback_rx);
+        voice_loopback_rx = NULL;
+    }
+    if(voice_loopback_tx) {
+        pcm_close(voice_loopback_tx);
+        voice_loopback_tx = NULL;
+    }
+#endif
     /* 2. Get and set stream specific mixer controls */
     disable_audio_route(adev, uc_info);
 
@@ -201,6 +215,9 @@
     int ret = 0;
     struct audio_usecase *uc_info;
     int pcm_dev_rx_id, pcm_dev_tx_id;
+#ifdef PLATFORM_AUTO
+    int pcm_dev_loopback_rx_id, pcm_dev_loopback_tx_id;
+#endif
     uint32_t sample_rate = 8000;
     struct voice_session *session = NULL;
     struct pcm_config voice_config = pcm_config_voice_call;
@@ -246,6 +263,10 @@
 
     select_devices(adev, usecase_id);
 
+#ifdef PLATFORM_AUTO
+    pcm_dev_loopback_rx_id = HOST_LESS_RX_ID;
+    pcm_dev_loopback_tx_id = HOST_LESS_TX_ID;
+#endif
     pcm_dev_rx_id = platform_get_pcm_device_id(uc_info->id, PCM_PLAYBACK);
     pcm_dev_tx_id = platform_get_pcm_device_id(uc_info->id, PCM_CAPTURE);
 
@@ -287,6 +308,28 @@
         goto error_start_voice;
     }
 
+#ifdef PLATFORM_AUTO
+    voice_loopback_rx = pcm_open(adev->snd_card,
+                                 pcm_dev_loopback_rx_id,
+                                 PCM_OUT, &voice_config);
+    if (voice_loopback_rx < 0 || !pcm_is_ready(voice_loopback_rx)) {
+        ALOGE("%s: Either could not open pcm_dev_loopback_rx_id %d or %s",
+              __func__, pcm_dev_loopback_rx_id, pcm_get_error(voice_loopback_rx));
+        ret = -EIO;
+        goto error_start_voice;
+    }
+
+    voice_loopback_tx = pcm_open(adev->snd_card,
+                                 pcm_dev_loopback_tx_id,
+                                 PCM_IN, &voice_config);
+    if (voice_loopback_tx < 0 || !pcm_is_ready(voice_loopback_tx)) {
+         ALOGE("%s: Either could not open pcm_dev_loopback_tx_id %d or %s",
+               __func__, pcm_dev_loopback_tx_id, pcm_get_error(voice_loopback_tx));
+         ret = -EIO;
+         goto error_start_voice;
+    }
+#endif
+
     if(adev->mic_break_enabled)
         platform_set_mic_break_det(adev->platform, true);
 
@@ -302,6 +345,20 @@
         goto error_start_voice;
     }
 
+#ifdef PLATFORM_AUTO
+    ret = pcm_start(voice_loopback_tx);
+    if (ret != 0) {
+        ALOGE("%s: %s", __func__, pcm_get_error(voice_loopback_tx));
+        goto error_start_voice;
+    }
+
+    ret = pcm_start(voice_loopback_rx);
+    if (ret != 0) {
+        ALOGE("%s: %s", __func__, pcm_get_error(voice_loopback_rx));
+        goto error_start_voice;
+    }
+#endif
+
     /* Enable aanc only when no calls are active */
     if (!voice_is_call_state_active(adev))
         voice_check_and_update_aanc_path(adev, uc_info->out_snd_device, true);
@@ -377,6 +434,22 @@
     return session_id;
 }
 
+bool voice_check_voicecall_usecases_active(struct audio_device *adev)
+{
+    struct listnode *node;
+    struct audio_usecase *usecase = NULL;
+
+    list_for_each(node, &adev->usecase_list) {
+        usecase = node_to_item(node, struct audio_usecase, list);
+        if (usecase->type == VOICE_CALL) {
+            ALOGV("%s: voice usecase:%s is active", __func__,
+                   use_case_table[usecase->id]);
+            return true;
+        }
+    }
+    return false;
+}
+
 int voice_check_and_set_incall_rec_usecase(struct audio_device *adev,
                                            struct stream_in *in)
 {
diff --git a/hal/voice.h b/hal/voice.h
index 9612edd..188345d 100644
--- a/hal/voice.h
+++ b/hal/voice.h
@@ -101,4 +101,5 @@
 bool voice_is_call_state_active(struct audio_device *adev);
 void voice_set_device_mute_flag (struct audio_device *adev, bool state);
 snd_device_t voice_get_incall_rec_backend_device(struct stream_in *in);
+bool voice_check_voicecall_usecases_active(struct audio_device *adev);
 #endif //VOICE_H
diff --git a/post_proc/Android.mk b/post_proc/Android.mk
index 6b1afd3..fb42514 100644
--- a/post_proc/Android.mk
+++ b/post_proc/Android.mk
@@ -30,8 +30,7 @@
         virtualizer.c \
         reverb.c \
         effect_api.c \
-        effect_util.c \
-        asphere.c
+        effect_util.c
 
 # HW_ACCELERATED has been disabled by default since msm8996. File doesn't
 # compile cleanly on tip so don't want to include it, but keeping this
diff --git a/post_proc/Makefile.am b/post_proc/Makefile.am
index bd29473..8bd41ae 100644
--- a/post_proc/Makefile.am
+++ b/post_proc/Makefile.am
@@ -19,10 +19,6 @@
 c_sources += hw_accelerator.c
 endif
 
-if AUDIOSPHERE
-c_sources += asphere.c
-endif
-
 library_include_HEADERS = $(h_sources)
 library_includedir = $(includedir)
 
diff --git a/post_proc/asphere.c b/post_proc/asphere.c
deleted file mode 100644
index efe07c6..0000000
--- a/post_proc/asphere.c
+++ /dev/null
@@ -1,323 +0,0 @@
-/* Copyright (c) 2015, 2017, 2019 The Linux Foundation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- *       copyright notice, this list of conditions and the following
- *       disclaimer in the documentation and/or other materials provided
- *       with the distribution.
- *     * Neither the name of The Linux Foundation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-#define LOG_TAG "audio_pp_asphere"
-/*#define LOG_NDEBUG 0*/
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdbool.h>
-#include <sys/stat.h>
-#include <log/log.h>
-#include <cutils/list.h>
-#include <cutils/str_parms.h>
-#include <cutils/properties.h>
-#include <hardware/audio_effect.h>
-#include <pthread.h>
-#include "bundle.h"
-#include "equalizer.h"
-#include "bass_boost.h"
-#include "virtualizer.h"
-#include "reverb.h"
-#include "asphere.h"
-
-#define ASPHERE_MIXER_NAME  "MSM ASphere Set Param"
-
-#define AUDIO_PARAMETER_KEY_ASPHERE_STATUS  "asphere_status"
-#define AUDIO_PARAMETER_KEY_ASPHERE_ENABLE   "asphere_enable"
-#define AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH "asphere_strength"
-
-#define AUDIO_ASPHERE_EVENT_NODE "/data/misc/audio_pp/event_node"
-
-enum {
-    ASPHERE_ACTIVE = 0,
-    ASPHERE_SUSPENDED,
-    ASPHERE_ERROR
-};
-
-#ifdef AUDIO_FEATURE_ENABLED_GCOV
-extern void  __gcov_flush();
-static void enable_gcov()
-{
-    __gcov_flush();
-}
-#else
-static void enable_gcov()
-{
-}
-#endif
-
-struct asphere_module {
-    bool enabled;
-    int status;
-    int strength;
-    pthread_mutex_t lock;
-    int init_status;
-};
-
-static struct asphere_module asphere;
-pthread_once_t asphere_once = PTHREAD_ONCE_INIT;
-
-static int asphere_create_app_notification_node(void)
-{
-    int fd;
-    if ((fd = open(AUDIO_ASPHERE_EVENT_NODE, O_CREAT|O_TRUNC|O_WRONLY,
-                            S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0) {
-        ALOGE("creating notification node failed %d", errno);
-        return -EINVAL;
-    }
-    chmod(AUDIO_ASPHERE_EVENT_NODE, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH);
-    close(fd);
-    ALOGD("%s: successfully created notification node %s",
-                               __func__, AUDIO_ASPHERE_EVENT_NODE);
-    return 0;
-}
-
-static int asphere_notify_app(void)
-{
-    int fd;
-    if ((fd = open(AUDIO_ASPHERE_EVENT_NODE, O_TRUNC|O_WRONLY)) < 0) {
-        ALOGE("opening notification node failed %d", errno);
-        return -EINVAL;
-    }
-    close(fd);
-    ALOGD("%s: successfully opened notification node", __func__);
-    return 0;
-}
-
-static int asphere_get_values_from_mixer(void)
-{
-    int ret = 0;
-    long val[2] = {-1, -1};
-    struct mixer_ctl *ctl = NULL;
-    struct mixer *mixer = mixer_open(MIXER_CARD);
-    if (mixer)
-        ctl = mixer_get_ctl_by_name(mixer, ASPHERE_MIXER_NAME);
-    if (!ctl) {
-        ALOGE("%s: could not get ctl for mixer cmd - %s",
-              __func__, ASPHERE_MIXER_NAME);
-        return -EINVAL;
-    }
-    ret = mixer_ctl_get_array(ctl, val, sizeof(val)/sizeof(val[0]));
-    if (!ret) {
-        asphere.enabled = (val[0] == 0) ? false : true;
-        asphere.strength = val[1];
-    }
-    ALOGD("%s: returned %d, enabled:%ld, strength:%ld",
-          __func__, ret, val[0], val[1]);
-
-    return ret;
-}
-
-static int asphere_set_values_to_mixer(void)
-{
-    int ret = 0;
-    long val[2] = {-1, -1};
-    struct mixer_ctl *ctl = NULL;
-    struct mixer *mixer = mixer_open(MIXER_CARD);
-    if (mixer)
-        ctl = mixer_get_ctl_by_name(mixer, ASPHERE_MIXER_NAME);
-    if (!ctl) {
-        ALOGE("%s: could not get ctl for mixer cmd - %s",
-              __func__, ASPHERE_MIXER_NAME);
-        return -EINVAL;
-    }
-    val[0] = ((asphere.status == ASPHERE_ACTIVE) && asphere.enabled) ? 1 : 0;
-    val[1] = asphere.strength;
-
-    ret = mixer_ctl_set_array(ctl, val, sizeof(val)/sizeof(val[0]));
-    ALOGD("%s: returned %d, enabled:%ld, strength:%ld",
-          __func__, ret, val[0], val[1]);
-
-    return ret;
-}
-
-static void asphere_init_once() {
-    ALOGD("%s", __func__);
-    pthread_mutex_init(&asphere.lock, NULL);
-
-    if (property_get_bool("vendor.audio.feature.audio_sphere.enable", false)) {
-        asphere.init_status = 1;
-        asphere_get_values_from_mixer();
-        asphere_create_app_notification_node();
-        return;
-    } else {
-        ALOGW("%s: asphere feature not enabled", __func__);
-    }
-
-    asphere.init_status = 0;
-}
-
-static int asphere_init() {
-    pthread_once(&asphere_once, asphere_init_once);
-    enable_gcov();
-    return asphere.init_status;
-}
-
-static bool asphere_parms_allowed(struct str_parms *parms)
-{
-    if (str_parms_has_key(parms, AUDIO_PARAMETER_KEY_ASPHERE_ENABLE))
-        return true;
-    if (str_parms_has_key(parms, AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH))
-        return true;
-    if (str_parms_has_key(parms, AUDIO_PARAMETER_KEY_ASPHERE_STATUS))
-        return true;
-
-    return false;
-}
-
-void asphere_set_parameters(struct str_parms *parms)
-{
-    int ret = 0;
-    bool enable = false;
-    int strength = -1;
-    char value[32] = {0};
-    bool set_enable = false, set_strength = false;
-
-    if (!asphere_parms_allowed(parms)) {
-        return;
-    }
-
-    if (asphere_init() != 1) {
-        ALOGW("%s: init check failed!!!", __func__);
-        return;
-    }
-
-    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_ASPHERE_ENABLE,
-                                                  value, sizeof(value));
-    if (ret > 0) {
-        enable = (atoi(value) == 1) ? true : false;
-        set_enable = true;
-    }
-
-    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH,
-                                                   value, sizeof(value));
-    if (ret > 0) {
-        strength = atoi(value);
-        if (strength >= 0 && strength <= 1000)
-            set_strength = true;
-    }
-
-    if (set_enable || set_strength) {
-        pthread_mutex_lock(&asphere.lock);
-        asphere.enabled = set_enable ? enable : asphere.enabled;
-        asphere.strength = set_strength ? strength : asphere.strength;
-        ret = asphere_set_values_to_mixer();
-        pthread_mutex_unlock(&asphere.lock);
-        ALOGV("%s: exit ret %d", __func__, ret);
-    }
-}
-
-void asphere_get_parameters(struct str_parms *query,
-                                      struct str_parms *reply)
-{
-    char value[32] = {0};
-    int ret;
-
-    if (asphere_init() != 1) {
-        ALOGW("%s: init check failed!!!", __func__);
-        return;
-    }
-
-    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_ASPHERE_STATUS,
-                                                 value, sizeof(value));
-    if (ret >= 0) {
-        str_parms_add_int(reply, AUDIO_PARAMETER_KEY_ASPHERE_STATUS,
-                                                     asphere.status);
-    }
-
-    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_ASPHERE_ENABLE,
-                                                 value, sizeof(value));
-    if (ret >= 0) {
-        str_parms_add_int(reply, AUDIO_PARAMETER_KEY_ASPHERE_ENABLE,
-                                              asphere.enabled ? 1 : 0);
-    }
-
-    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH,
-                                                  value, sizeof(value));
-    if (ret >= 0) {
-        str_parms_add_int(reply, AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH,
-                                                     asphere.strength);
-    }
-}
-
-static bool effect_needs_asphere_concurrency_handling(effect_context_t *context)
-{
-    if (memcmp(&context->desc->type,
-                &equalizer_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
-        memcmp(&context->desc->type,
-                &bassboost_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
-        memcmp(&context->desc->type,
-                &virtualizer_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
-        memcmp(&context->desc->type,
-                &ins_preset_reverb_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
-        memcmp(&context->desc->type,
-                &ins_env_reverb_descriptor.type, sizeof(effect_uuid_t)) == 0)
-        return true;
-
-    return false;
-}
-
-void handle_asphere_on_effect_enabled(bool enable,
-                                      effect_context_t *context,
-                                      struct listnode *created_effects)
-{
-    struct listnode *node;
-
-    ALOGV("%s: effect %0x", __func__, context->desc->type.timeLow);
-    if (asphere_init() != 1) {
-        ALOGW("%s: init check failed!!!", __func__);
-        return;
-    }
-
-    if (!effect_needs_asphere_concurrency_handling(context)) {
-        ALOGV("%s: effect %0x, do not need concurrency handling",
-                                 __func__, context->desc->type.timeLow);
-        return;
-    }
-
-    list_for_each(node, created_effects) {
-        effect_context_t *fx_ctxt = node_to_item(node,
-                                                 effect_context_t,
-                                                 effects_list_node);
-        if (fx_ctxt != NULL &&
-            effect_needs_asphere_concurrency_handling(fx_ctxt) == true &&
-            fx_ctxt != context && effect_is_active(fx_ctxt) == true) {
-            ALOGV("%s: found another effect %0x, skip processing %0x", __func__,
-                      fx_ctxt->desc->type.timeLow, context->desc->type.timeLow);
-            return;
-        }
-    }
-    pthread_mutex_lock(&asphere.lock);
-    asphere.status = enable ? ASPHERE_SUSPENDED : ASPHERE_ACTIVE;
-    asphere_set_values_to_mixer();
-    asphere_notify_app();
-    pthread_mutex_unlock(&asphere.lock);
-}
diff --git a/post_proc/asphere.h b/post_proc/asphere.h
deleted file mode 100644
index 3babd1d..0000000
--- a/post_proc/asphere.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- *       copyright notice, this list of conditions and the following
- *       disclaimer in the documentation and/or other materials provided
- *       with the distribution.
- *     * Neither the name of The Linux Foundation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef OFFLOAD_ASPHERE_H_
-#define OFFLOAD_ASPHERE_H_
-
-#include <cutils/str_parms.h>
-#include <cutils/list.h>
-#include "bundle.h"
-
-void asphere_get_parameters(struct str_parms *query,
-                            struct str_parms *reply);
-void asphere_set_parameters(struct str_parms *reply);
-void handle_asphere_on_effect_enabled(bool enable,
-                                      effect_context_t *context,
-                                      struct listnode *created_effects);
-
-#endif /* OFFLOAD_ASPHERE_H_ */
diff --git a/post_proc/bundle.c b/post_proc/bundle.c
index 1e6b91d..0dbf27b 100644
--- a/post_proc/bundle.c
+++ b/post_proc/bundle.c
@@ -40,6 +40,7 @@
 
 #include <stdlib.h>
 #include <cutils/list.h>
+#include <cutils/str_parms.h>
 #include <log/log.h>
 #include <system/thread_defs.h>
 #include <tinyalsa/asoundlib.h>
@@ -53,7 +54,6 @@
 #include "bass_boost.h"
 #include "virtualizer.h"
 #include "reverb.h"
-#include "asphere.h"
 
 #ifdef DTS_EAGLE
 #include "effect_util.h"
@@ -455,20 +455,16 @@
 
 /*
  * Effect Bundle Set and get param operations.
- * currently only handles audio sphere scenario,
- * but the interface itself can be utilized for any effect.
  */
 __attribute__ ((visibility ("default")))
-void offload_effects_bundle_get_parameters(struct str_parms *query,
-                                           struct str_parms *reply)
+void offload_effects_bundle_get_parameters(struct str_parms *query __unused,
+                                           struct str_parms *reply __unused)
 {
-    asphere_get_parameters(query, reply);
 }
 
 __attribute__ ((visibility ("default")))
-void offload_effects_bundle_set_parameters(struct str_parms *parms)
+void offload_effects_bundle_set_parameters(struct str_parms *parms __unused)
 {
-    asphere_set_parameters(parms);
 }
 
 /*
@@ -826,7 +822,6 @@
             status = -ENOSYS;
             goto exit;
         }
-        handle_asphere_on_effect_enabled(true, context, &created_effects_list);
         context->state = EFFECT_STATE_ACTIVE;
         if (context->ops.enable)
             context->ops.enable(context);
@@ -841,7 +836,6 @@
             status = -ENOSYS;
             goto exit;
         }
-        handle_asphere_on_effect_enabled(false, context, &created_effects_list);
         context->state = EFFECT_STATE_INITIALIZED;
         if (context->ops.disable)
             context->ops.disable(context);
diff --git a/qahw/inc/qahw.h b/qahw/inc/qahw.h
index dd5b403..5020c8f 100644
--- a/qahw/inc/qahw.h
+++ b/qahw/inc/qahw.h
@@ -358,6 +358,10 @@
 ssize_t qahw_in_read_l(qahw_stream_handle_t *in_handle,
                      qahw_in_buffer_t *in_buf);
 /*
+ * Stop input stream. Returns zero on success.
+ */
+int qahw_in_stop_l(qahw_stream_handle_t *in_handle);
+/*
  * Return the amount of input frames lost in the audio driver since the
  * last call of this function.
  * Audio driver is expected to reset the value to 0 and restart counting
diff --git a/qahw/src/qahw.c b/qahw/src/qahw.c
index 3390c26..545152c 100644
--- a/qahw/src/qahw.c
+++ b/qahw/src/qahw.c
@@ -61,6 +61,8 @@
 typedef uint64_t (*qahwi_in_read_v2_t)(audio_stream_in_t *in, void* buffer,
                                        size_t bytes, int64_t *timestamp);
 
+typedef int (*qahwi_in_stop_t)(audio_stream_in_t *in);
+
 typedef int (*qahwi_out_set_param_data_t)(struct audio_stream_out *out,
                                       qahw_param_id param_id,
                                       qahw_param_payload *payload);
@@ -109,6 +111,7 @@
     struct listnode list;
     pthread_mutex_t lock;
     qahwi_in_read_v2_t qahwi_in_read_v2;
+    qahwi_in_stop_t qahwi_in_stop;
 } qahw_stream_in_t;
 
 typedef enum {
@@ -1035,6 +1038,31 @@
 }
 
 /*
+ * Stop input stream. Returns zero on success.
+ */
+int qahw_in_stop_l(qahw_stream_handle_t *in_handle)
+{
+    int rc = -EINVAL;
+    qahw_stream_in_t *qahw_stream_in = (qahw_stream_in_t *)in_handle;
+    audio_stream_in_t *in = NULL;
+
+    if (!is_valid_qahw_stream_l((void *)qahw_stream_in, STREAM_DIR_IN)) {
+        ALOGV("%s::Invalid in handle %p", __func__, in_handle);
+        goto exit;
+    }
+    ALOGD("%s", __func__);
+
+    in = qahw_stream_in->stream;
+
+    if (qahw_stream_in->qahwi_in_stop)
+        rc = qahw_stream_in->qahwi_in_stop(in);
+    ALOGD("%s: exit", __func__);
+
+exit:
+    return rc;
+}
+
+/*
  * Return the amount of input frames lost in the audio driver since the
  * last call of this function.
  * Audio driver is expected to reset the value to 0 and restart counting
@@ -1718,6 +1746,7 @@
     qahw_module_t *qahw_module_temp = NULL;
     audio_hw_device_t *audio_device = NULL;
     qahw_stream_in_t *qahw_stream_in = NULL;
+    const char *error;
 
     pthread_mutex_lock(&qahw_module_init_lock);
     qahw_module_temp = get_qahw_module_by_ptr_l(qahw_module);
@@ -1747,6 +1776,7 @@
     if (rc) {
         ALOGE("%s::open input stream failed %d",__func__, rc);
         free(qahw_stream_in);
+        goto exit;
     } else {
         qahw_stream_in->module = hw_module;
         *in_handle = (void *)qahw_stream_in;
@@ -1757,7 +1787,6 @@
     /* dlsym qahwi_in_read_v2 if timestamp flag is used */
     if (!rc && ((flags & QAHW_INPUT_FLAG_TIMESTAMP) ||
                 (flags & QAHW_INPUT_FLAG_PASSTHROUGH))) {
-        const char *error;
 
         /* clear any existing errors */
         dlerror();
@@ -1769,7 +1798,16 @@
         }
     }
 
-exit:
+    /* clear any existing errors */
+    dlerror();
+    qahw_stream_in->qahwi_in_stop = (qahwi_in_stop_t)
+        dlsym(qahw_module->module->dso, "qahwi_in_stop");
+    if ((error = dlerror()) != NULL) {
+        ALOGI("%s: dlsym error %s for qahwi_in_stop", __func__, error);
+        qahw_stream_in->qahwi_in_stop = NULL;
+    }
+
+ exit:
     pthread_mutex_unlock(&qahw_module->lock);
     return rc;
 }
diff --git a/qahw_api/inc/qahw_api.h b/qahw_api/inc/qahw_api.h
index 823c6bb..b37757d 100644
--- a/qahw_api/inc/qahw_api.h
+++ b/qahw_api/inc/qahw_api.h
@@ -354,6 +354,10 @@
 ssize_t qahw_in_read(qahw_stream_handle_t *in_handle,
                      qahw_in_buffer_t *in_buf);
 /*
+ * Stop input stream. Returns zero on success.
+ */
+int qahw_in_stop(qahw_stream_handle_t *in_handle);
+/*
  * Return the amount of input frames lost in the audio driver since the
  * last call of this function.
  * Audio driver is expected to reset the value to 0 and restart counting
diff --git a/qahw_api/src/qahw_api.cpp b/qahw_api/src/qahw_api.cpp
index f1c75f4..0810ede 100644
--- a/qahw_api/src/qahw_api.cpp
+++ b/qahw_api/src/qahw_api.cpp
@@ -678,6 +678,22 @@
     }
 }
 
+int qahw_in_stop(qahw_stream_handle_t *in_handle)
+{
+    if (g_binder_enabled) {
+        if (!g_qas_died) {
+            sp<Iqti_audio_server> qas = get_qti_audio_server();
+            if (qas_status(qas) == -1)
+                return -ENODEV;
+            return qas->qahw_in_stop(in_handle);
+        } else {
+            return -ENODEV;
+        }
+    } else {
+        return qahw_in_stop_l(in_handle);
+    }
+}
+
 uint32_t qahw_in_get_input_frames_lost(qahw_stream_handle_t *in_handle)
 {
     ALOGV("%d:%s",__LINE__, __func__);
@@ -1544,6 +1560,11 @@
     return qahw_in_read_l(in_handle, in_buf);
 }
 
+int qahw_in_stop(qahw_stream_handle_t *in_handle)
+{
+    return qahw_in_stop_l(in_handle);
+}
+
 uint32_t qahw_in_get_input_frames_lost(qahw_stream_handle_t *in_handle)
 {
     ALOGV("%d:%s",__LINE__, __func__);
diff --git a/qahw_api/test/qahw_playback_test.c b/qahw_api/test/qahw_playback_test.c
index c239010..12be83d 100644
--- a/qahw_api/test/qahw_playback_test.c
+++ b/qahw_api/test/qahw_playback_test.c
@@ -353,9 +353,11 @@
     switch (event) {
     case QAHW_STREAM_CBK_EVENT_WRITE_READY:
         fprintf(log_file, "stream %d: received event - QAHW_STREAM_CBK_EVENT_WRITE_READY\n", params->stream_index);
+
         pthread_mutex_lock(&params->write_lock);
         pthread_cond_signal(&params->write_cond);
         pthread_mutex_unlock(&params->write_lock);
+
         break;
     case QAHW_STREAM_CBK_EVENT_DRAIN_READY:
         fprintf(log_file, "stream %d: received event - QAHW_STREAM_CBK_EVENT_DRAIN_READY\n", params->stream_index);
@@ -534,7 +536,7 @@
     stream_config *stream_params = (stream_config*) params_ptr;
 
     ssize_t ret;
-    pthread_mutex_lock(&stream_params->write_lock);
+
     qahw_out_buffer_t out_buf;
 
     memset(&out_buf,0, sizeof(qahw_out_buffer_t));
@@ -545,13 +547,14 @@
     if (ret < 0) {
         fprintf(log_file, "stream %d: writing data to hal failed (ret = %zd)\n", stream_params->stream_index, ret);
     } else if ((ret != bytes) && (!stop_playback)) {
+        pthread_mutex_lock(&stream_params->write_lock);
         fprintf(log_file, "stream %d: provided bytes %zd, written bytes %d\n",stream_params->stream_index, bytes, ret);
         fprintf(log_file, "stream %d: waiting for event write ready\n", stream_params->stream_index);
         pthread_cond_wait(&stream_params->write_cond, &stream_params->write_lock);
         fprintf(log_file, "stream %d: out of wait for event write ready\n", stream_params->stream_index);
+        pthread_mutex_unlock(&stream_params->write_lock);
     }
 
-    pthread_mutex_unlock(&stream_params->write_lock);
     return ret;
 }