diff --git a/configs/lahaina/yupik_overlay/mixer_paths_yupikidp_overlay.xml b/configs/lahaina/yupik_overlay/mixer_paths_yupikidp_overlay.xml
index d016dd4..e79e5f1 100644
--- a/configs/lahaina/yupik_overlay/mixer_paths_yupikidp_overlay.xml
+++ b/configs/lahaina/yupik_overlay/mixer_paths_yupikidp_overlay.xml
@@ -67,18 +67,18 @@
     <path name="speaker-dmic-broadside">
         <ctl name="TX_CDC_DMA_TX_3 Channels" value="Two"/>
         <ctl name="TX_AIF1_CAP Mixer DEC1" value="1"/>
-        <ctl name="TX DMIC MUX1" value="DMIC0"/>
+        <ctl name="TX DMIC MUX1" value="DMIC3"/>
         <ctl name="TX_AIF1_CAP Mixer DEC2" value="1"/>
-        <ctl name="TX DMIC MUX2" value="DMIC3"/>
+        <ctl name="TX DMIC MUX2" value="DMIC0"/>
     </path>
     <path name="three-mic">
         <ctl name="TX_CDC_DMA_TX_3 Channels" value="Three"/>
         <ctl name="TX_AIF1_CAP Mixer DEC1" value="1"/>
-        <ctl name="TX DMIC MUX1" value="DMIC0"/>
+        <ctl name="TX DMIC MUX1" value="DMIC3"/>
         <ctl name="TX_AIF1_CAP Mixer DEC2" value="1"/>
-        <ctl name="TX DMIC MUX2" value="DMIC2"/>
+        <ctl name="TX DMIC MUX2" value="DMIC0"/>
         <ctl name="TX_AIF1_CAP Mixer DEC3" value="1"/>
-        <ctl name="TX DMIC MUX3" value="DMIC3"/>
+        <ctl name="TX DMIC MUX3" value="DMIC2"/>
     </path>
     <path name="speaker-tmic">
         <path name="three-mic" />
@@ -86,13 +86,13 @@
     <path name="speaker-qmic">
         <ctl name="TX_CDC_DMA_TX_3 Channels" value="Four"/>
         <ctl name="TX_AIF1_CAP Mixer DEC1" value="1"/>
-        <ctl name="TX DMIC MUX1" value="DMIC0"/>
+        <ctl name="TX DMIC MUX1" value="DMIC3"/>
         <ctl name="TX_AIF1_CAP Mixer DEC2" value="1"/>
-        <ctl name="TX DMIC MUX2" value="DMIC1"/>
+        <ctl name="TX DMIC MUX2" value="DMIC0"/>
         <ctl name="TX_AIF1_CAP Mixer DEC3" value="1"/>
         <ctl name="TX DMIC MUX3" value="DMIC2"/>
         <ctl name="TX_AIF1_CAP Mixer DEC4" value="1"/>
-        <ctl name="TX DMIC MUX4" value="DMIC3"/>
+        <ctl name="TX DMIC MUX4" value="DMIC1"/>
     </path>
     <path name="voice-tty-vco-handset-mic">
         <path name="dmic1"/>
diff --git a/configs/lahaina/yupik_overlay/mixer_paths_yupikqrd_overlay.xml b/configs/lahaina/yupik_overlay/mixer_paths_yupikqrd_overlay.xml
index d57fdad..0dd5a01 100644
--- a/configs/lahaina/yupik_overlay/mixer_paths_yupikqrd_overlay.xml
+++ b/configs/lahaina/yupik_overlay/mixer_paths_yupikqrd_overlay.xml
@@ -35,10 +35,10 @@
     <ctl name="TX DEC5 MUX" value="MSM_DMIC"/>
     <ctl name="TX DEC6 MUX" value="MSM_DMIC"/>
     <ctl name="TX DEC7 MUX" value="MSM_DMIC"/>
-    <ctl name="TX_DEC0 Volume" value="96"/>
-    <ctl name="TX_DEC1 Volume" value="96"/>
-    <ctl name="TX_DEC2 Volume" value="96"/>
-    <ctl name="TX_DEC3 Volume" value="96"/>
+    <ctl name="TX_DEC0 Volume" value="84"/>
+    <ctl name="TX_DEC1 Volume" value="84"/>
+    <ctl name="TX_DEC2 Volume" value="84"/>
+    <ctl name="TX_DEC3 Volume" value="84"/>
     <ctl name="MultiMedia1 Mixer SEC_MI2S_TX" value="0"/>
     <ctl name="MultiMedia2 Mixer SEC_MI2S_TX" value="0"/>
     <ctl name="MultiMedia8 Mixer SEC_MI2S_TX" value="0"/>
diff --git a/configs/msmnile_au/audio_policy_configuration.xml b/configs/msmnile_au/audio_policy_configuration.xml
index 4193abd..07b27d3 100644
--- a/configs/msmnile_au/audio_policy_configuration.xml
+++ b/configs/msmnile_au/audio_policy_configuration.xml
@@ -175,12 +175,6 @@
                     <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/msmnile_au.mk b/configs/msmnile_au/msmnile_au.mk
index 9e963ac..8e7f833 100644
--- a/configs/msmnile_au/msmnile_au.mk
+++ b/configs/msmnile_au/msmnile_au.mk
@@ -93,10 +93,11 @@
 
 ifeq ($(TARGET_PRODUCT),msmnile_au)
 AUDIO_FEATURE_ENABLED_DAEMON_SUPPORT := true
+AUDIO_FEATURE_ENABLED_SILENT_BOOT := true
 else
 AUDIO_FEATURE_ENABLED_DAEMON_SUPPORT := false
+AUDIO_FEATURE_ENABLED_SILENT_BOOT := false
 endif
-
 endif
 AUDIO_FEATURE_ENABLED_FM_TUNER_EXT := true
 AUDIO_FEATURE_ENABLED_ICC := true
@@ -482,6 +483,15 @@
     android.hardware.automotive.audiocontrol@2.0-service \
     android.hardware.automotive.audiocontrol@2.0
 
+# enable sound trigger hidl hal 2.2
+PRODUCT_PACKAGES += \
+    android.hardware.soundtrigger@2.2-impl \
+
+# enable sound trigger hidl hal 2.3
+PRODUCT_PACKAGES += \
+    android.hardware.soundtrigger@2.3-impl \
+
+
 ifeq ($(ENABLE_HYP),true)
 PRODUCT_PROPERTY_OVERRIDES += \
 persist.vendor.audio.calfile0=/vendor/etc/acdbdata/adsp_avs_config.acdb\
diff --git a/configs/msmsteppe_au/audio_policy_configuration.xml b/configs/msmsteppe_au/audio_policy_configuration.xml
index 24d1447..e85abe1 100644
--- a/configs/msmsteppe_au/audio_policy_configuration.xml
+++ b/configs/msmsteppe_au/audio_policy_configuration.xml
@@ -175,12 +175,6 @@
                     <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/msmsteppe_au.mk b/configs/msmsteppe_au/msmsteppe_au.mk
index 769333d..5e083bb 100644
--- a/configs/msmsteppe_au/msmsteppe_au.mk
+++ b/configs/msmsteppe_au/msmsteppe_au.mk
@@ -80,6 +80,7 @@
 ifneq ($(ENABLE_HYP),true)
 AUDIO_FEATURE_ENABLED_AUTO_AUDIOD := true
 AUDIO_FEATURE_ENABLED_DAEMON_SUPPORT := true
+AUDIO_FEATURE_ENABLED_SILENT_BOOT := true
 endif
 AUDIO_FEATURE_ENABLED_FM_TUNER_EXT := true
 AUDIO_FEATURE_ENABLED_ICC := true
diff --git a/hal/audio_extn/utils.c b/hal/audio_extn/utils.c
index a4d17b8..31ce934 100755
--- a/hal/audio_extn/utils.c
+++ b/hal/audio_extn/utils.c
@@ -1101,50 +1101,57 @@
         goto exit_send_app_type_cfg;
     }
 
+    /*
+     * Value of afe_loopback gets read  based on the property defined in
+     * audio_platform_info.xml. If afe loopback is set then do not execute
+     * session 1 path as app type mixer control will not be created for
+     * afe loopback
+     */
+
     if (usecase->type == PCM_HFP_CALL) {
-
-        /* config HFP session:1 playback path */
-        if (is_bus_dev_usecase) {
-            app_type = usecase->out_app_type_cfg.app_type;
-            sample_rate= usecase->out_app_type_cfg.sample_rate;
-        } else {
-            snd_device = SND_DEVICE_NONE; // use legacy behavior
-            app_type = platform_get_default_app_type_v2(adev->platform, PCM_PLAYBACK);
-            sample_rate= CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
-        }
-        rc = set_stream_app_type_mixer_ctrl(adev, pcm_device_id, app_type,
-                                            acdb_dev_id, sample_rate,
-                                            PCM_PLAYBACK,
-                                            snd_device);
-        if (rc < 0)
-            goto exit_send_app_type_cfg;
-
-        /* config HFP session:1 capture path */
-        if (is_bus_dev_usecase) {
-            snd_device = usecase->in_snd_device;
-            pcm_device_id = platform_get_pcm_device_id(usecase->id, PCM_CAPTURE);
-            acdb_dev_id = platform_get_snd_device_acdb_id(snd_device);
-            if (acdb_dev_id < 0) {
-                ALOGE("%s: Couldn't get the acdb dev id", __func__);
-                rc = -EINVAL;
-                goto exit_send_app_type_cfg;
+        if (!(platform_get_is_afe_loopback_enabled(adev->platform))) {
+            /* config HFP session:1 playback path */
+            if (is_bus_dev_usecase) {
+                app_type = usecase->out_app_type_cfg.app_type;
+                sample_rate= usecase->out_app_type_cfg.sample_rate;
+            } else {
+                snd_device = SND_DEVICE_NONE; // use legacy behavior
+                app_type = platform_get_default_app_type_v2(adev->platform, PCM_PLAYBACK);
+                sample_rate= CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
             }
-            app_type = usecase->in_app_type_cfg.app_type;
-            sample_rate= usecase->in_app_type_cfg.sample_rate;
-        } else {
-            snd_device = SND_DEVICE_NONE; // use legacy behavior
-            app_type = platform_get_default_app_type_v2(adev->platform, PCM_CAPTURE);
+            rc = set_stream_app_type_mixer_ctrl(adev, pcm_device_id, app_type,
+                                                acdb_dev_id, sample_rate,
+                                                PCM_PLAYBACK,
+                                                snd_device);
+            if (rc < 0)
+                goto exit_send_app_type_cfg;
+
+            /* config HFP session:1 capture path */
+            if (is_bus_dev_usecase) {
+                snd_device = usecase->in_snd_device;
+                pcm_device_id = platform_get_pcm_device_id(usecase->id, PCM_CAPTURE);
+                acdb_dev_id = platform_get_snd_device_acdb_id(snd_device);
+                if (acdb_dev_id < 0) {
+                    ALOGE("%s: Couldn't get the acdb dev id", __func__);
+                    rc = -EINVAL;
+                    goto exit_send_app_type_cfg;
+                }
+                app_type = usecase->in_app_type_cfg.app_type;
+                sample_rate= usecase->in_app_type_cfg.sample_rate;
+            } else {
+                snd_device = SND_DEVICE_NONE; // use legacy behavior
+                app_type = platform_get_default_app_type_v2(adev->platform, PCM_CAPTURE);
+            }
+            rc = set_stream_app_type_mixer_ctrl(adev, pcm_device_id, app_type,
+                                                acdb_dev_id, sample_rate,
+                                                PCM_CAPTURE,
+                                                snd_device);
+            if (rc < 0)
+                goto exit_send_app_type_cfg;
+
+            if (is_bus_dev_usecase)
+                goto exit_send_app_type_cfg;
         }
-        rc = set_stream_app_type_mixer_ctrl(adev, pcm_device_id, app_type,
-                                            acdb_dev_id, sample_rate,
-                                            PCM_CAPTURE,
-                                            snd_device);
-        if (rc < 0)
-            goto exit_send_app_type_cfg;
-
-        if (is_bus_dev_usecase)
-            goto exit_send_app_type_cfg;
-
         /* config HFP session:2 capture path */
         pcm_device_id = HFP_ASM_RX_TX;
         snd_device = usecase->in_snd_device;
@@ -1157,7 +1164,7 @@
         app_type = platform_get_default_app_type_v2(adev->platform, PCM_CAPTURE);
         rc = set_stream_app_type_mixer_ctrl(adev, pcm_device_id, app_type,
                                             acdb_dev_id, sample_rate, PCM_CAPTURE,
-                                            SND_DEVICE_NONE);
+                                            usecase->in_snd_device);
         if (rc < 0)
             goto exit_send_app_type_cfg;
 
@@ -1165,7 +1172,7 @@
         app_type = platform_get_default_app_type_v2(adev->platform, PCM_PLAYBACK);
         rc = set_stream_app_type_mixer_ctrl(adev, pcm_device_id, app_type,
                                             acdb_dev_id, sample_rate,
-                                            PCM_PLAYBACK, SND_DEVICE_NONE);
+                                            PCM_PLAYBACK, usecase->out_snd_device);
         if (rc < 0)
             goto exit_send_app_type_cfg;
     }
diff --git a/hal/audio_hal_plugin.h b/hal/audio_hal_plugin.h
index b5033c8..3d77b23 100644
--- a/hal/audio_hal_plugin.h
+++ b/hal/audio_hal_plugin.h
@@ -86,6 +86,7 @@
     AUDIO_HAL_PLUGIN_MSG_CODEC_GET_PP_EQ, /**< get EQ params */
     AUDIO_HAL_PLUGIN_MSG_CODEC_GET_PP_EQ_SUBBANDS, /**< get EQ subbands params */
     AUDIO_HAL_PLUGIN_MSG_CODEC_TUNNEL_GET_CMD, /**< pass through get cmds */
+    AUDIO_HAL_PLUGIN_MSG_SILENT_MODE, /**<set silent boot mode */
     AUDIO_HAL_PLUGIN_MSG_MAX
 } audio_hal_plugin_msg_type_t;
 
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 2a335f0..d31df8e 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -7665,6 +7665,11 @@
     return false;
 }
 
+int platform_get_is_afe_loopback_enabled(void *platform __unused)
+{
+   return 0;
+}
+
 int platform_set_edid_channels_configuration(void *platform, int channels, int backend_idx __unused, snd_device_t snd_device __unused) {
 
     struct platform_data *my_data = (struct platform_data *)platform;
diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index 439b6d7..aa4286f 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.c
@@ -1223,6 +1223,11 @@
     return -ENOSYS;
 }
 
+int platform_get_is_afe_loopback_enabled(void *platform __unused)
+{
+   return 0;
+}
+
 int platform_set_edid_channels_configuration(void *platform __unused,
                                              int channels __unused,
                                              int backend_idx __unused)
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 9259150..e97fd5c 100755
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -317,6 +317,7 @@
     bool fluence_nn_enabled;
     int  fluence_type;
     int  fluence_mode;
+    int  afe_loopback;
     char fluence_cap[PROPERTY_VALUE_MAX];
     bool ambisonic_capture;
     bool ambisonic_profile;
@@ -8513,6 +8514,12 @@
         }
     }
 
+    err = str_parms_get_str(parms, "afe_loopback", value, len);
+    if (err >= 0) {
+        my_data->afe_loopback = atoi(value);
+        ALOGD("Updating afe_loopback as %d from platform XML" , my_data->afe_loopback);
+    }
+
     err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_MONO_SPEAKER, value, len);
     if (err >= 0) {
         if (!strncmp("left", value, sizeof("left")))
@@ -11495,6 +11502,12 @@
                         backend_idx, snd_device, 0, 0);
 }
 
+int platform_get_is_afe_loopback_enabled(void *platform)
+{
+  struct platform_data *my_data = (struct platform_data *)platform;
+  return my_data->afe_loopback;
+}
+
 int platform_set_edid_channels_configuration_v2(void *platform, int channels,
                                      int backend_idx, snd_device_t snd_device,
                                      int controller, int stream) {
diff --git a/hal/platform_api.h b/hal/platform_api.h
index 922d61e..f0b10f5 100644
--- a/hal/platform_api.h
+++ b/hal/platform_api.h
@@ -333,6 +333,7 @@
 bool platform_check_codec_asrc_support(void *platform);
 int platform_get_backend_index(snd_device_t snd_device);
 int platform_get_ext_disp_type(void *platform);
+int platform_get_is_afe_loopback_enabled(void *platform);
 void platform_invalidate_hdmi_config(void *platform);
 void platform_invalidate_backend_config(void * platform,snd_device_t snd_device);
 bool platform_get_spkr_hph_single_be_native_concurrency_flag();