diff --git a/configs/msm8937/audio_policy_configuration_sdm429w.xml b/configs/msm8937/audio_policy_configuration_sdm429w.xml
index b210fbc..33a4af5 100644
--- a/configs/msm8937/audio_policy_configuration_sdm429w.xml
+++ b/configs/msm8937/audio_policy_configuration_sdm429w.xml
@@ -49,7 +49,6 @@
         <module name="primary" halVersion="2.0">
             <attachedDevices>
                 <item>Speaker</item>
-                <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Telephony Tx</item>
                 <item>Built-In Mic</item>
@@ -117,8 +116,6 @@
                 </devicePort>
                 <devicePort tagName="Speaker" type="AUDIO_DEVICE_OUT_SPEAKER" role="sink">
                 </devicePort>
-                <devicePort tagName="Speaker Safe" type="AUDIO_DEVICE_OUT_SPEAKER_SAFE" role="sink">
-                </devicePort>
                 <devicePort tagName="BT SCO" type="AUDIO_DEVICE_OUT_BLUETOOTH_SCO" role="sink">
                        <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                                 samplingRates="8000,16000" channelMasks="AUDIO_CHANNEL_OUT_MONO"/>
@@ -163,8 +160,6 @@
                        sources="primary output,raw,deep_buffer"/>
                 <route type="mix" sink="Speaker"
                        sources="primary output,raw,deep_buffer,compressed_offload"/>
-                <route type="mix" sink="Speaker Safe"
-                       sources="primary output,raw,deep_buffer,compressed_offload"/>
                 <route type="mix" sink="BT SCO"
                        sources="primary output,raw,deep_buffer,voip_rx"/>
                 <route type="mix" sink="BT SCO Headset"
diff --git a/configs/msm8937/mixer_paths_sdm429w_dvt2.xml b/configs/msm8937/mixer_paths_sdm429w_dvt2.xml
index 4a6d124..aea01f4 100644
--- a/configs/msm8937/mixer_paths_sdm429w_dvt2.xml
+++ b/configs/msm8937/mixer_paths_sdm429w_dvt2.xml
@@ -935,6 +935,7 @@
 
     <path name="speaker-and-bt-a2dp">
         <path name="speaker" />
+        <path name="bt-a2dp" />
     </path>
 
     <path name="voice-rec-mic">
diff --git a/configs/msm8937/msm8937.mk b/configs/msm8937/msm8937.mk
index 5db9969..9e9c36c 100644
--- a/configs/msm8937/msm8937.mk
+++ b/configs/msm8937/msm8937.mk
@@ -199,8 +199,10 @@
 audio.offload.min.duration.secs=30
 
 #Enable offload audio video playback by default
+ifneq ($(TARGET_PRODUCT),sdm429w)
 PRODUCT_PROPERTY_OVERRIDES += \
 audio.offload.video=true
+endif
 
 #Enable audio track offload by default
 PRODUCT_PROPERTY_OVERRIDES += \
diff --git a/configs/msmnile_au/msmnile_au.mk b/configs/msmnile_au/msmnile_au.mk
index 5886918..22a08f9 100644
--- a/configs/msmnile_au/msmnile_au.mk
+++ b/configs/msmnile_au/msmnile_au.mk
@@ -97,7 +97,7 @@
 ifneq ($(ENABLE_HYP),true)
 AUDIO_FEATURE_ENABLED_AUTO_AUDIOD := true
 
-ifeq ($(TARGET_PRODUCT),msmnile_au)
+ifneq ( ,$(filter msmnile_au msmnile_tb, $(TARGET_PRODUCT)))
 AUDIO_FEATURE_ENABLED_DAEMON_SUPPORT := true
 AUDIO_FEATURE_ENABLED_SILENT_BOOT := true
 else
diff --git a/configs/sdm660/sound_trigger_platform_info.xml b/configs/sdm660/sound_trigger_platform_info.xml
index 271f99d..13d1adc 100644
--- a/configs/sdm660/sound_trigger_platform_info.xml
+++ b/configs/sdm660/sound_trigger_platform_info.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<!--- Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.       -->
+<!--- Copyright (c) 2013-2017, 2021 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    -->
@@ -51,6 +51,7 @@
     <sound_model_config>
         <param vendor_uuid="68ab2d40-e860-11e3-95ef-0002a5d5c51b" />
         <param execution_type="WDSP" /> <!-- value: "WDSP" "ADSP" "DYNAMIC" -->
+        <param second_stage_supported="false" />
         <param app_type="2" /> <!-- app type used in ACDB -->
         <param library="libsmwrapper.so" />
         <param max_cpe_phrases="6" />
diff --git a/hal/audio_extn/soundtrigger.c b/hal/audio_extn/soundtrigger.c
index b3df579..d7bbb2f 100644
--- a/hal/audio_extn/soundtrigger.c
+++ b/hal/audio_extn/soundtrigger.c
@@ -561,7 +561,7 @@
     struct stream_in *active_input = adev_get_active_input(st_dev->adev);
     audio_source_t  source = (active_input == NULL) ?
                                AUDIO_SOURCE_DEFAULT : active_input->source;
-    if (voice_is_in_call(st_dev->adev)) {
+    if (voice_is_uc_active(st_dev->adev)) {
         ev_info.u.usecase.type = USECASE_TYPE_VOICE_CALL;
     } else if ((st_dev->adev->mode == AUDIO_MODE_IN_COMMUNICATION ||
                 source == AUDIO_SOURCE_VOICE_COMMUNICATION) &&
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 0855185..7a66ea4 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -2810,7 +2810,10 @@
                                  (is_single_device_type_equal(&usecase->device_list,
                                                      AUDIO_DEVICE_IN_USB_HEADSET) &&
                                  is_single_device_type_equal(&vc_usecase->device_list,
-                                                        AUDIO_DEVICE_OUT_USB_HEADSET)))) {
+                                                        AUDIO_DEVICE_OUT_USB_HEADSET))||
+                                 (is_single_device_type_equal(&usecase->device_list,
+                                                     AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) &&
+                                 is_codec_backend_out_device_type(&vc_usecase->device_list)))) {
                 in_snd_device = vc_usecase->in_snd_device;
                 out_snd_device = vc_usecase->out_snd_device;
             }
diff --git a/hal/voice.c b/hal/voice.c
index 230ceed..e2218e6 100644
--- a/hal/voice.c
+++ b/hal/voice.c
@@ -204,7 +204,7 @@
     disable_snd_device(adev, uc_info->in_snd_device);
 
     adev->voice.lte_call = false;
-    adev->voice.in_call = false;
+    adev->voice.uc_active = false;
 
     list_remove(&uc_info->list);
     free(uc_info);
@@ -245,7 +245,7 @@
         return -ENOMEM;
     }
 
-    adev->voice.in_call = true;
+    adev->voice.uc_active = true;
 
     uc_info->id = usecase_id;
     uc_info->type = VOICE_CALL;
@@ -256,6 +256,7 @@
     if (is_in_call && list_length(&uc_info->device_list) == 2) {
         ALOGE("%s: Invalid combo device(%#x) for voice call", __func__,
               get_device_types(&uc_info->device_list));
+        adev->voice.in_call = false;
         ret = -EIO;
         goto error_start_voice;
     }
@@ -457,6 +458,11 @@
     return in_call_rec;
 }
 
+bool voice_is_uc_active(const struct audio_device *adev)
+{
+    return adev->voice.uc_active;
+}
+
 uint32_t voice_get_active_session_id(struct audio_device *adev)
 {
     int ret = 0;
@@ -727,12 +733,12 @@
 {
     int ret = 0;
 
+    adev->voice.in_call = false;
     ret = voice_extn_stop_call(adev);
     if (ret == -ENOSYS) {
         ret = voice_stop_usecase(adev, USECASE_VOICE_CALL);
     }
 
-    adev->voice.in_call = false;
     return ret;
 }
 
@@ -838,6 +844,7 @@
     adev->voice.mic_mute = false;
     adev->voice.in_call = false;
     adev->voice.lte_call = false;
+    adev->voice.uc_active = false;
     for (i = 0; i < max_voice_sessions; i++) {
         adev->voice.session[i].pcm_rx = NULL;
         adev->voice.session[i].pcm_tx = NULL;
diff --git a/hal/voice.h b/hal/voice.h
index 290ca3d..da456f9 100644
--- a/hal/voice.h
+++ b/hal/voice.h
@@ -62,6 +62,7 @@
     float volume;
     bool in_call;
     bool lte_call;
+    bool uc_active;
 };
 
 struct power_mode_cfg {
@@ -93,6 +94,7 @@
 bool voice_is_in_call(const struct audio_device *adev);
 bool voice_is_in_call_or_call_screen(const struct audio_device *adev);
 bool voice_is_in_call_rec_stream(const struct stream_in *in);
+bool voice_is_uc_active(const struct audio_device *adev);
 int voice_set_mic_mute(struct audio_device *dev, bool state);
 bool voice_is_lte_call_active(struct audio_device *adev);
 bool voice_get_mic_mute(struct audio_device *dev);