diff --git a/configs/msm8909/msm8909.mk b/configs/msm8909/msm8909.mk
index bc475c6..1272977 100644
--- a/configs/msm8909/msm8909.mk
+++ b/configs/msm8909/msm8909.mk
@@ -168,7 +168,7 @@
     android.hardware.audio@2.0-service \
     android.hardware.audio@2.0-impl \
     android.hardware.audio.effect@2.0-impl \
-    android.hardware.soundtrigger@2.0-impl \
+    android.hardware.soundtrigger@2.1-impl \
     android.hardware.audio@4.0 \
     android.hardware.audio.common@4.0 \
     android.hardware.audio.common@4.0-util \
diff --git a/configs/msm8996/msm8996.mk b/configs/msm8996/msm8996.mk
index c699535..fb760c1 100644
--- a/configs/msm8996/msm8996.mk
+++ b/configs/msm8996/msm8996.mk
@@ -202,7 +202,7 @@
     android.hardware.audio@2.0-service \
     android.hardware.audio@2.0-impl \
     android.hardware.audio.effect@2.0-impl \
-    android.hardware.soundtrigger@2.0-impl \
+    android.hardware.soundtrigger@2.1-impl \
     android.hardware.audio@4.0 \
     android.hardware.audio.common@4.0 \
     android.hardware.audio.common@4.0-util \
diff --git a/configs/msm8998/msm8998.mk b/configs/msm8998/msm8998.mk
index acd5071..5f4e6e1 100644
--- a/configs/msm8998/msm8998.mk
+++ b/configs/msm8998/msm8998.mk
@@ -232,7 +232,7 @@
     android.hardware.audio@2.0-service \
     android.hardware.audio@2.0-impl \
     android.hardware.audio.effect@2.0-impl \
-    android.hardware.soundtrigger@2.0-impl \
+    android.hardware.soundtrigger@2.1-impl \
     android.hardware.audio@4.0 \
     android.hardware.audio.common@4.0 \
     android.hardware.audio.common@4.0-util \
diff --git a/configs/msmnile/audio_policy_configuration.xml b/configs/msmnile/audio_policy_configuration.xml
index a8ae093..2452f86 100644
--- a/configs/msmnile/audio_policy_configuration.xml
+++ b/configs/msmnile/audio_policy_configuration.xml
@@ -184,6 +184,11 @@
                 </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"
+                             channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK,AUDIO_CHANNEL_INDEX_MASK_3,AUDIO_CHANNEL_INDEX_MASK_4,AUDIO_CHANNEL_IN_5POINT1,AUDIO_CHANNEL_INDEX_MASK_6"/>
+                </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"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK,AUDIO_CHANNEL_INDEX_MASK_3,AUDIO_CHANNEL_INDEX_MASK_4,AUDIO_CHANNEL_IN_5POINT1,AUDIO_CHANNEL_INDEX_MASK_6,AUDIO_CHANNEL_IN_7POINT1,AUDIO_CHANNEL_INDEX_MASK_8"/>
                     <profile name="" format="AUDIO_FORMAT_PCM_32_BIT"
@@ -376,7 +381,9 @@
                 <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="surround_sound"
-                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic"/>
+                <route type="mix" sink="usb_surround_sound"
+                       sources="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/msmsteppe/mixer_paths_idp.xml b/configs/msmsteppe/mixer_paths_idp.xml
index 83951cf..f2f8426 100644
--- a/configs/msmsteppe/mixer_paths_idp.xml
+++ b/configs/msmsteppe/mixer_paths_idp.xml
@@ -296,6 +296,8 @@
     <ctl name="RX INT1 DEM MUX" value="NORMAL_DSM_OUT" />
     <ctl name="RX_COMP1 Switch" value="0" />
     <ctl name="RX_COMP2 Switch" value="0" />
+    <ctl name="HPHL_COMP Switch" value="0" />
+    <ctl name="HPHR_COMP Switch" value="0" />
     <ctl name="EAR_RDAC Switch" value="0" />
     <ctl name="HPHL_RDAC Switch" value="0" />
     <ctl name="HPHR_RDAC Switch" value="0" />
@@ -408,6 +410,13 @@
     <ctl name="IIR0 INP2 MUX" value="ZERO" />
     <ctl name="IIR0 INP3 MUX" value="ZERO" />
 
+    <!-- vbat related data -->
+    <ctl name="GSM mode Enable" value="OFF" />
+    <ctl name="WSA_Softclip0 Enable" value="0" />
+    <ctl name="WSA_Softclip1 Enable" value="0" />
+    <ctl name="WSA_RX INT0 VBAT WSA RX0 VBAT Enable" value="0" />
+    <ctl name="WSA_RX INT1 VBAT WSA RX1 VBAT Enable" value="0" />
+
     <!-- Codec controls end -->
 
     <!-- defaults for mmap record -->
@@ -1960,6 +1969,22 @@
         <ctl name="SpkrRight SWR DAC_Port Switch" value="1" />
     </path>
 
+   <path name="speaker-vbat-mono">
+       <path name="speaker-mono" />
+       <ctl name="WSA_RX INT0 VBAT WSA RX0 VBAT Enable" value="1" />
+   </path>
+
+   <path name="speaker-vbat-mono-2">
+       <path name="speaker-mono-2" />
+       <ctl name="WSA_RX INT1 VBAT WSA RX1 VBAT Enable" value="1" />
+   </path>
+
+   <path name="speaker-vbat">
+       <path name="speaker" />
+       <ctl name="WSA_RX INT0 VBAT WSA RX0 VBAT Enable" value="1" />
+       <ctl name="WSA_RX INT1 VBAT WSA RX1 VBAT Enable" value="1" />
+   </path>
+
    <path name="sidetone-iir">
         <ctl name="IIR0 Enable Band1" value="1" />
         <ctl name="IIR0 Enable Band2" value="1" />
@@ -2021,6 +2046,22 @@
         <path name="speaker-protected" />
     </path>
 
+    <path name="speaker-protected-vbat">
+        <path name="speaker-protected" />
+        <ctl name="WSA_RX INT0 VBAT WSA RX0 VBAT Enable" value="1" />
+        <ctl name="WSA_RX INT1 VBAT WSA RX1 VBAT Enable" value="1" />
+    </path>
+
+    <path name="voice-speaker-protected-vbat">
+        <path name="voice-speaker-protected" />
+        <ctl name="WSA_RX INT0 VBAT WSA RX0 VBAT Enable" value="1" />
+    </path>
+
+    <path name="voice-speaker-2-protected-vbat">
+        <path name="voice-speaker-2-protected" />
+        <ctl name="WSA_RX INT1 VBAT WSA RX1 VBAT Enable" value="1" />
+    </path>
+
     <path name="vi-feedback">
     </path>
 
@@ -2056,6 +2097,8 @@
         <ctl name="RX INT1 DEM MUX" value="CLSH_DSM_OUT" />
         <ctl name="RX_COMP1 Switch" value="1" />
         <ctl name="RX_COMP2 Switch" value="1" />
+        <ctl name="HPHL_COMP Switch" value="1" />
+        <ctl name="HPHR_COMP Switch" value="1" />
         <ctl name="HPHL_RDAC Switch" value="1" />
         <ctl name="HPHR_RDAC Switch" value="1" />
     </path>
@@ -2098,12 +2141,28 @@
         <path name="speaker-mono-2" />
     </path>
 
+    <path name="voice-speaker-vbat">
+        <path name="speaker-vbat-mono" />
+    </path>
+
+    <path name="voice-speaker-2-vbat">
+        <path name="speaker-vbat-mono-2" />
+    </path>
+
     <path name="voice-speaker-mic">
         <path name="speaker-mic" />
     </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">
@@ -2291,6 +2350,7 @@
         <ctl name="RX INT0_1 MIX1 INP0" value="RX0" />
         <ctl name="RX INT0 DEM MUX" value="CLSH_DSM_OUT" />
         <ctl name="RX_COMP1 Switch" value="1" />
+        <ctl name="HPHL_COMP Switch" value="1" />
         <ctl name="HPHL_RDAC Switch" value="1" />
     </path>
 
diff --git a/configs/msmsteppe/mixer_paths_qrd.xml b/configs/msmsteppe/mixer_paths_qrd.xml
index f0227c9..6b71170 100644
--- a/configs/msmsteppe/mixer_paths_qrd.xml
+++ b/configs/msmsteppe/mixer_paths_qrd.xml
@@ -2038,7 +2038,7 @@
 
     <path name="sidetone-headphones">
         <path name="sidetone-iir" />
-        <ctl name="IIR0 INP0 Volume" value="54" />
+        <ctl name="IIR0 INP0 Volume" value="40" />
         <ctl name="IIR0 INP0 MUX" value="DEC0" />
         <ctl name="RX INT0 MIX2 INP" value="SRC0" />
         <ctl name="RX INT1 MIX2 INP" value="SRC0" />
diff --git a/configs/msmsteppe/msmsteppe.mk b/configs/msmsteppe/msmsteppe.mk
index dc4df7a..0ff9e8b 100644
--- a/configs/msmsteppe/msmsteppe.mk
+++ b/configs/msmsteppe/msmsteppe.mk
@@ -84,6 +84,7 @@
     hardware/qcom/audio/configs/msmsteppe/audio_platform_info_qrd.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_platform_info_qrd.xml \
     hardware/qcom/audio/configs/msmsteppe/audio_platform_info_intcodec.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_platform_info_intcodec.xml \
     hardware/qcom/audio/configs/msmsteppe/sound_trigger_mixer_paths.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_mixer_paths.xml \
+    hardware/qcom/audio/configs/msmsteppe/sound_trigger_mixer_paths_qrd.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_mixer_paths_qrd.xml \
     hardware/qcom/audio/configs/msmsteppe/mixer_paths_idp.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_idp.xml \
     hardware/qcom/audio/configs/msmsteppe/mixer_paths_qrd.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_qrd.xml \
     hardware/qcom/audio/configs/msmsteppe/mixer_paths_tavil.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_tavil.xml \
@@ -228,4 +229,10 @@
     android.hardware.audio@2.0-service \
     android.hardware.audio@2.0-impl \
     android.hardware.audio.effect@2.0-impl \
-    android.hardware.soundtrigger@2.1-impl
+    android.hardware.soundtrigger@2.1-impl \
+    android.hardware.audio@4.0 \
+    android.hardware.audio.common@4.0 \
+    android.hardware.audio.common@4.0-util \
+    android.hardware.audio@4.0-impl \
+    android.hardware.audio.effect@4.0 \
+    android.hardware.audio.effect@4.0-impl
diff --git a/configs/msmsteppe/sound_trigger_mixer_paths.xml b/configs/msmsteppe/sound_trigger_mixer_paths.xml
index bd114de..441e1c2 100644
--- a/configs/msmsteppe/sound_trigger_mixer_paths.xml
+++ b/configs/msmsteppe/sound_trigger_mixer_paths.xml
@@ -58,6 +58,10 @@
     <ctl name="TX DMIC MUX2" value="ZERO" />
     <ctl name="TX DEC3 MUX" value="MSM_DMIC" />
     <ctl name="TX DMIC MUX3" value="ZERO" />
+    <ctl name="AUDIO_REF_EC_UL1 MUX" value="None"/>
+    <ctl name="EC Reference Channels" value="Zero"/>
+    <ctl name="EC Reference Bit Format" value="0"/>
+    <ctl name="EC Reference SampleRate" value="0"/>
 
     <path name="listen-voice-wakeup-1">
         <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
@@ -202,5 +206,11 @@
         <ctl name="EC Reference SampleRate" value="48000"/>
     </path>
 
+    <path name="echo-reference a2dp">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_7_RX"/>
+        <ctl name="EC Reference Channels" value="Two"/>
+        <ctl name="EC Reference Bit Format" value="S16_LE"/>
+        <ctl name="EC Reference SampleRate" value="48000"/>
+    </path>
 
 </mixer>
diff --git a/configs/msmsteppe/sound_trigger_mixer_paths_qrd.xml b/configs/msmsteppe/sound_trigger_mixer_paths_qrd.xml
new file mode 100644
index 0000000..954780a
--- /dev/null
+++ b/configs/msmsteppe/sound_trigger_mixer_paths_qrd.xml
@@ -0,0 +1,228 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!--- Copyright (c) 2014-2018, 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.                             -->
+
+<mixer>
+    <!-- These are the initial mixer settings -->
+    <ctl name="LSM1 Mixer TX_CDC_DMA_TX_3" value="0" />
+    <ctl name="LSM2 Mixer TX_CDC_DMA_TX_3" value="0" />
+    <ctl name="LSM3 Mixer TX_CDC_DMA_TX_3" value="0" />
+    <ctl name="LSM4 Mixer TX_CDC_DMA_TX_3" value="0" />
+    <ctl name="LSM5 Mixer TX_CDC_DMA_TX_3" value="0" />
+    <ctl name="LSM6 Mixer TX_CDC_DMA_TX_3" value="0" />
+    <ctl name="LSM7 Mixer TX_CDC_DMA_TX_3" value="0" />
+    <ctl name="LSM8 Mixer TX_CDC_DMA_TX_3" value="0" />
+    <ctl name="LSM1 Port" value="None" />
+    <ctl name="LSM2 Port" value="None" />
+    <ctl name="LSM3 Port" value="None" />
+    <ctl name="LSM4 Port" value="None" />
+    <ctl name="LSM5 Port" value="None" />
+    <ctl name="LSM6 Port" value="None" />
+    <ctl name="LSM7 Port" value="None" />
+    <ctl name="LSM8 Port" value="None" />
+    <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="None" />
+    <ctl name="TX_CDC_DMA_TX_3 Channels" value="One" />
+    <ctl name="TX_AIF1_CAP Mixer DEC0" value="0" />
+    <ctl name="TX_AIF1_CAP Mixer DEC1" value="0" />
+    <ctl name="TX_AIF1_CAP Mixer DEC2" value="0" />
+    <ctl name="TX_AIF1_CAP Mixer DEC3" value="0" />
+    <ctl name="TX DEC0 MUX" value="MSM_DMIC" />
+    <ctl name="TX DMIC MUX0" value="ZERO" />
+    <ctl name="TX SMIC MUX0" value="ZERO" />
+    <ctl name="TX DEC1 MUX" value="MSM_DMIC" />
+    <ctl name="TX DMIC MUX1" value="ZERO" />
+    <ctl name="TX SMIC MUX1" value="ZERO" />
+    <ctl name="TX DEC2 MUX" value="MSM_DMIC" />
+    <ctl name="TX DMIC MUX2" value="ZERO" />
+    <ctl name="TX DEC3 MUX" value="MSM_DMIC" />
+    <ctl name="TX DMIC MUX3" value="ZERO" />
+    <ctl name="ADC1_MIXER Switch" value="0" />
+    <ctl name="ADC2_MIXER Switch" value="0" />
+    <ctl name="ADC2 MUX" value="ZERO" />
+    <ctl name="AUDIO_REF_EC_UL1 MUX" value="None"/>
+    <ctl name="EC Reference Channels" value="Zero"/>
+    <ctl name="EC Reference Bit Format" value="0"/>
+    <ctl name="EC Reference SampleRate" value="0"/>
+
+    <path name="listen-voice-wakeup-1">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM1 Port" value="TX_CDC_DMA_TX_3" />
+        <ctl name="LSM1 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-2">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM2 Port" value="TX_CDC_DMA_TX_3" />
+        <ctl name="LSM2 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-3">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM3 Port" value="TX_CDC_DMA_TX_3" />
+        <ctl name="LSM3 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-4">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM4 Port" value="TX_CDC_DMA_TX_3" />
+        <ctl name="LSM4 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-5">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM5 Port" value="TX_CDC_DMA_TX_3" />
+        <ctl name="LSM5 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-6">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM6 Port" value="TX_CDC_DMA_TX_3" />
+        <ctl name="LSM6 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-7">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM7 Port" value="TX_CDC_DMA_TX_3" />
+        <ctl name="LSM7 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-8">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM8 Port" value="TX_CDC_DMA_TX_3" />
+        <ctl name="LSM8 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-1 preproc">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM1 Port" value="ADM_LSM_TX" />
+        <ctl name="LSM1 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-2 preproc">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM2 Port" value="ADM_LSM_TX" />
+        <ctl name="LSM2 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-3 preproc">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM3 Port" value="ADM_LSM_TX" />
+        <ctl name="LSM3 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-4 preproc">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM4 Port" value="ADM_LSM_TX" />
+        <ctl name="LSM4 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-5 preproc">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM5 Port" value="ADM_LSM_TX" />
+        <ctl name="LSM5 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-6 preproc">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM6 Port" value="ADM_LSM_TX" />
+        <ctl name="LSM6 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-7 preproc">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM7 Port" value="ADM_LSM_TX" />
+        <ctl name="LSM7 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-voice-wakeup-8 preproc">
+        <ctl name="TX_CDC_DMA_TX_3 LSM Function" value="SWAUDIO" />
+        <ctl name="LSM8 Port" value="ADM_LSM_TX" />
+        <ctl name="LSM8 Mixer TX_CDC_DMA_TX_3" value="1" />
+    </path>
+
+    <path name="listen-ape-handset-mic">
+        <ctl name="TX DEC0 MUX" value="SWR_MIC" />
+        <ctl name="TX SMIC MUX0" value="ADC0" />
+        <ctl name="TX_CDC_DMA_TX_3 Channels" value="One" />
+        <ctl name="TX_AIF1_CAP Mixer DEC0" value="1" />
+        <ctl name="ADC1_MIXER Switch" value="1" />
+    </path>
+
+    <path name="listen-ape-handset-mic-preproc">
+        <path name="listen-ape-handset-mic"/>
+    </path>
+
+    <path name="listen-ape-handset-dmic">
+        <ctl name="TX_CDC_DMA_TX_3 Channels" value="Two" />
+        <ctl name="TX DEC0 MUX" value="SWR_MIC" />
+        <ctl name="TX SMIC MUX0" value="ADC0" />
+        <ctl name="TX_AIF1_CAP Mixer DEC0" value="1" />
+        <ctl name="ADC1_MIXER Switch" value="1" />
+        <ctl name="TX DEC1 MUX" value="SWR_MIC" />
+        <ctl name="TX SMIC MUX1" value="ADC2" />
+        <ctl name="TX_AIF1_CAP Mixer DEC1" value="1" />
+        <ctl name="ADC2_MIXER Switch" value="1" />
+        <ctl name="ADC2 MUX" value="INP3" />
+    </path>
+
+    <path name="listen-ape-handset-tmic">
+        <ctl name="TX_CDC_DMA_TX_3 Channels" value="Three" />
+        <ctl name="TX_AIF1_CAP Mixer DEC0" value="1" />
+        <ctl name="TX DMIC MUX0" value="DMIC2" />
+        <ctl name="TX_AIF1_CAP Mixer DEC1" value="1" />
+        <ctl name="TX DMIC MUX1" value="DMIC0" />
+        <ctl name="TX_AIF1_CAP Mixer DEC2" value="1" />
+        <ctl name="TX DMIC MUX2" value="DMIC3" />
+    </path>
+
+    <path name="listen-ape-handset-qmic">
+        <ctl name="TX_CDC_DMA_TX_3 Channels" value="Four" />
+        <ctl name="TX_AIF1_CAP Mixer DEC0" value="1" />
+        <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_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" />
+    </path>
+
+    <path name="echo-reference">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="WSA_CDC_DMA_RX_0"/>
+        <ctl name="EC Reference Channels" value="Two"/>
+        <ctl name="EC Reference Bit Format" value="S16_LE"/>
+        <ctl name="EC Reference SampleRate" value="48000"/>
+    </path>
+
+    <path name="echo-reference a2dp">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_7_RX"/>
+        <ctl name="EC Reference Channels" value="Two"/>
+        <ctl name="EC Reference Bit Format" value="S16_LE"/>
+        <ctl name="EC Reference SampleRate" value="48000"/>
+    </path>
+
+</mixer>
diff --git a/configs/sdm660/sdm660.mk b/configs/sdm660/sdm660.mk
index b0bd431..aef78b1 100644
--- a/configs/sdm660/sdm660.mk
+++ b/configs/sdm660/sdm660.mk
@@ -244,7 +244,7 @@
     android.hardware.audio@2.0-service \
     android.hardware.audio@2.0-impl \
     android.hardware.audio.effect@2.0-impl \
-    android.hardware.soundtrigger@2.0-impl \
+    android.hardware.soundtrigger@2.1-impl \
     android.hardware.audio@4.0 \
     android.hardware.audio.common@4.0 \
     android.hardware.audio.common@4.0-util \
diff --git a/hal/audio_extn/audio_extn.c b/hal/audio_extn/audio_extn.c
index 5b388a8..d125b2f 100755
--- a/hal/audio_extn/audio_extn.c
+++ b/hal/audio_extn/audio_extn.c
@@ -72,6 +72,7 @@
     uint32_t proxy_channel_num;
     bool hpx_enabled;
     bool vbat_enabled;
+    bool bcl_enabled;
     bool hifi_audio_enabled;
     bool ras_enabled;
     struct aptx_dec_bt_addr addr;
@@ -414,6 +415,25 @@
     ALOGD("%s: vbat.enabled property is set to %s", __func__, prop_vbat_enabled);
     return (aextnmod.vbat_enabled ? true: false);
 }
+
+bool audio_extn_is_bcl_enabled(void)
+{
+    ALOGD("%s: status: %d", __func__, aextnmod.bcl_enabled);
+    return (aextnmod.bcl_enabled ? true: false);
+}
+
+bool audio_extn_can_use_bcl(void)
+{
+    char prop_bcl_enabled[PROPERTY_VALUE_MAX] = "false";
+
+    property_get("persist.vendor.audio.bcl.enabled", prop_bcl_enabled, "0");
+    if (!strncmp("true", prop_bcl_enabled, 4)) {
+        aextnmod.bcl_enabled = 1;
+    }
+
+    ALOGD("%s: bcl.enabled property is set to %s", __func__, prop_bcl_enabled);
+    return (aextnmod.bcl_enabled ? true: false);
+}
 #endif
 
 #ifdef RAS_ENABLED
@@ -824,6 +844,7 @@
     aextnmod.proxy_channel_num = 2;
     aextnmod.hpx_enabled = 0;
     aextnmod.vbat_enabled = 0;
+    aextnmod.bcl_enabled = 0;
     aextnmod.hifi_audio_enabled = 0;
     aextnmod.addr.nap = 0;
     aextnmod.addr.uap = 0;
diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index 365b03e..d3e7a5f 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.h
@@ -169,9 +169,13 @@
 #ifndef VBAT_MONITOR_ENABLED
 #define audio_extn_is_vbat_enabled()                     (0)
 #define audio_extn_can_use_vbat()                        (0)
+#define audio_extn_is_bcl_enabled()                     (0)
+#define audio_extn_can_use_bcl()                        (0)
 #else
 bool audio_extn_is_vbat_enabled(void);
 bool audio_extn_can_use_vbat(void);
+bool audio_extn_is_bcl_enabled(void);
+bool audio_extn_can_use_bcl(void);
 #endif
 
 #ifndef RAS_ENABLED
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 225a03e..904b369 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -1303,8 +1303,8 @@
         if (platform_check_backends_match(d3[0], d3[1])) {
             return d2; // case 5
         } else {
-            // check if d1 and d3[1] are related
-            if (d1 == d3[1])
+            // check if d1 is related to any of d3's
+            if (d1 == d3[0] || d1 == d3[1])
                 return d1; // case 1
             else
                 return d3[1]; // case 8
@@ -3563,6 +3563,7 @@
 static int out_on_error(struct audio_stream *stream)
 {
     struct stream_out *out = (struct stream_out *)stream;
+    int status = 0;
 
     lock_output_stream(out);
     // always send CMD_ERROR for offload streams, this
@@ -3570,11 +3571,18 @@
     // since the stream is active, offload_callback_thread is also active.
     if (out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) {
         stop_compressed_output_l(out);
+    }
+    pthread_mutex_unlock(&out->lock);
+
+    status = out_standby(&out->stream.common);
+
+    lock_output_stream(out);
+    if (out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) {
         send_offload_cmd_l(out, OFFLOAD_CMD_ERROR);
     }
     pthread_mutex_unlock(&out->lock);
 
-    return out_standby(&out->stream.common);
+    return status;
 }
 
 /*
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index e132843..509dbc5 100755
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -238,6 +238,7 @@
     bool is_acdb_initialized;
     /* Vbat monitor related flags */
     bool is_vbat_speaker;
+    bool is_bcl_speaker;
     bool gsm_mode_enabled;
     bool is_slimbus_interface;
     bool is_internal_codec;
@@ -1759,6 +1760,9 @@
         ret = 0;
 
         if ((plat_data->is_vbat_speaker) && (WCD9XXX_VBAT_CAL == type)) {
+           /* VBAT BCL speaker does not need tuning data */
+           if (!plat_data->is_bcl_speaker)
+               return;
            ret = send_vbat_adc_data_to_acdb(plat_data, cal_name_info[type]);
            if (ret < 0)
                ALOGE("%s error in sending vbat adc data to acdb", __func__);
@@ -2226,6 +2230,10 @@
     if (ret)
         my_data->is_vbat_speaker = true;
 
+    ret = audio_extn_can_use_bcl();
+    if (ret)
+        my_data->is_bcl_speaker = true;
+
     list_init(&my_data->acdb_meta_key_list);
 
     set_platform_defaults(my_data);
@@ -3234,6 +3242,22 @@
     return ret;
 }
 
+static bool check_snd_device_is_speaker(snd_device_t snd_device)
+{
+    bool ret = false;
+
+    if (snd_device == SND_DEVICE_OUT_SPEAKER ||
+        snd_device == SND_DEVICE_OUT_SPEAKER_WSA ||
+        snd_device == SND_DEVICE_OUT_SPEAKER_VBAT ||
+        snd_device == SND_DEVICE_OUT_SPEAKER_PROTECTED ||
+        snd_device == SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT ||
+        snd_device == SND_DEVICE_OUT_SPEAKER_PROTECTED_RAS ||
+        snd_device == SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT_RAS) {
+        ret = true;
+    }
+    return ret;
+}
+
 int check_hdset_combo_device(snd_device_t snd_device)
 {
     int ret = false;
@@ -3400,7 +3424,7 @@
          out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_VBAT ||
          out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT) &&
          audio_extn_spkr_prot_is_enabled()) {
-        if (my_data->is_vbat_speaker)
+        if (my_data->is_vbat_speaker || my_data->is_bcl_speaker)
             acdb_rx_id = acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT];
         else
             acdb_rx_id = acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED];
@@ -3475,7 +3499,7 @@
          out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_VBAT ||
          out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT) &&
          audio_extn_spkr_prot_is_enabled()) {
-        if (my_data->is_vbat_speaker)
+        if (my_data->is_vbat_speaker || my_data->is_bcl_speaker)
             acdb_rx_id = acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT];
          else
             acdb_rx_id = acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED];
@@ -4002,7 +4026,7 @@
             else
                 snd_device = SND_DEVICE_OUT_BT_SCO;
         } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
-                if (my_data->is_vbat_speaker) {
+                if (my_data->is_vbat_speaker || my_data->is_bcl_speaker) {
                     if (hw_info_is_stereo_spkr(my_data->hw_info)) {
                         if (my_data->mono_speaker == SPKR_1)
                             snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_VBAT;
@@ -4086,7 +4110,7 @@
             snd_device = SND_DEVICE_OUT_SPEAKER_EXTERNAL_2;
         else if (adev->speaker_lr_swap)
             snd_device = SND_DEVICE_OUT_SPEAKER_REVERSE;
-        else if (my_data->is_vbat_speaker)
+        else if (my_data->is_vbat_speaker || my_data->is_bcl_speaker)
             snd_device = SND_DEVICE_OUT_SPEAKER_VBAT;
         else
             snd_device = SND_DEVICE_OUT_SPEAKER;
@@ -6422,7 +6446,12 @@
         backend_cfg.bit_width = usecase->stream.out->bit_width;
         backend_cfg.sample_rate = usecase->stream.out->sample_rate;
         backend_cfg.format = usecase->stream.out->format;
-        backend_cfg.channels = audio_channel_count_from_out_mask(usecase->stream.out->channel_mask);
+        if (!(hw_info_is_stereo_spkr(my_data->hw_info)) &&
+             check_snd_device_is_speaker(snd_device))
+            backend_cfg.channels = 1;
+        else
+            backend_cfg.channels =
+                audio_channel_count_from_out_mask(usecase->stream.out->channel_mask);
     }
     if (audio_extn_is_dsp_bit_width_enforce_mode_supported(usecase->stream.out->flags) &&
                 (adev->dsp_bit_width_enforce_mode > backend_cfg.bit_width))
diff --git a/post_proc/Android.mk b/post_proc/Android.mk
index a91f479..b7d97c0 100644
--- a/post_proc/Android.mk
+++ b/post_proc/Android.mk
@@ -39,6 +39,10 @@
     LOCAL_SRC_FILES += asphere.c
 endif
 
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_INSTANCE_ID)), true)
+    LOCAL_CFLAGS += -DINSTANCE_ID_ENABLED
+endif
+
 LOCAL_CFLAGS+= -O2 -fvisibility=hidden
 
 ifneq ($(strip $(AUDIO_FEATURE_DISABLED_DTS_EAGLE)),true)
@@ -118,10 +122,6 @@
 LOCAL_CFLAGS += -DHW_ACC_HPX
 endif
 
-ifeq ($(strip $(AUDIO_FEATURE_ENABLED_INSTANCE_ID)), true)
-    LOCAL_CFLAGS += -DINSTANCE_ID_ENABLED
-endif
-
 LOCAL_MODULE:= libhwacceffectswrapper
 LOCAL_VENDOR_MODULE := true