diff --git a/hal/Android.mk b/hal/Android.mk
index 32a9ee9..87ebeea 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -8,7 +8,7 @@
 
 AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
 
-ifneq ($(filter msm8974 msm8226 msm8610 apq8084 msm8916,$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter msm8974 msm8226 msm8610 apq8084,$(TARGET_BOARD_PLATFORM)),)
   # B-family platform uses msm8974 code base
   AUDIO_PLATFORM = msm8974
   MULTIPLE_HW_VARIANTS_ENABLED := true
@@ -23,6 +23,11 @@
 endif
 endif
 
+ifneq ($(filter msm8916,$(TARGET_BOARD_PLATFORM)),)
+  AUDIO_PLATFORM = msm8916
+  MULTIPLE_HW_VARIANTS_ENABLED := true
+  LOCAL_CFLAGS := -DPLATFORM_MSM8916
+endif
 
 LOCAL_SRC_FILES := \
 	audio_hw.c \
@@ -36,6 +41,10 @@
     LOCAL_CFLAGS += -DANC_HEADSET_ENABLED
 endif
 
+ifneq ($(strip $(AUDIO_FEATURE_DISABLED_FLUENCE)),true)
+    LOCAL_CFLAGS += -DFLUENCE_ENABLED
+endif
+
 ifneq ($(strip $(AUDIO_FEATURE_DISABLED_PROXY_DEVICE)),true)
     LOCAL_CFLAGS += -DAFE_PROXY_ENABLED
 endif
@@ -81,7 +90,7 @@
 endif
 
 ifneq ($(strip, $(AUDIO_FEATURE_DISABLED_SPKR_PROTECTION)),true)
-ifneq ($(filter msm8974,$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter msm8974 apq8084,$(TARGET_BOARD_PLATFORM)),)
     LOCAL_CFLAGS += -DSPKR_PROT_ENABLED
     LOCAL_SRC_FILES += audio_extn/spkr_protection.c
     LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
diff --git a/hal/audio_extn/audio_extn.c b/hal/audio_extn/audio_extn.c
index c6a8e68..d0caccb 100644
--- a/hal/audio_extn/audio_extn.c
+++ b/hal/audio_extn/audio_extn.c
@@ -28,6 +28,8 @@
 
 #include "audio_hw.h"
 #include "audio_extn.h"
+#include "platform.h"
+#include "platform_api.h"
 
 #define MAX_SLEEP_RETRY 100
 #define WIFI_INIT_WAIT_SLEEP 50
@@ -173,8 +175,62 @@
 }
 #endif /* ANC_HEADSET_ENABLED */
 
+#ifndef FLUENCE_ENABLED
+#define audio_extn_set_fluence_parameters(adev, parms) (0)
+#define audio_extn_get_fluence_parameters(adev, query, reply) (0)
+#else
+void audio_extn_set_fluence_parameters(struct audio_device *adev,
+                                            struct str_parms *parms)
+{
+    int ret = 0, err;
+    char value[32];
+    struct listnode *node;
+    struct audio_usecase *usecase;
+
+    err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_FLUENCE,
+                                 value, sizeof(value));
+    ALOGV_IF(err >= 0, "%s: Set Fluence Type to %s", __func__, value);
+    if (err >= 0) {
+        ret = platform_set_fluence_type(adev->platform, value);
+        if (ret != 0) {
+            ALOGE("platform_set_fluence_type returned error: %d", ret);
+        } else {
+            /*
+             *If the fluence is manually set/reset, devices
+             *need to get updated for all the usecases
+             *i.e. audio and voice.
+             */
+             list_for_each(node, &adev->usecase_list) {
+                 usecase = node_to_item(node, struct audio_usecase, list);
+                 select_devices(adev, usecase->id);
+             }
+        }
+    }
+}
+
+int audio_extn_get_fluence_parameters(struct audio_device *adev,
+                       struct str_parms *query, struct str_parms *reply)
+{
+    int ret = 0, err;
+    char value[256] = {0};
+
+    err = str_parms_get_str(query, AUDIO_PARAMETER_KEY_FLUENCE, value,
+                                                          sizeof(value));
+    if (err >= 0) {
+        ret = platform_get_fluence_type(adev->platform, value, sizeof(value));
+        if (ret >= 0) {
+            ALOGV("%s: Fluence Type is %s", __func__, value);
+            str_parms_add_str(reply, AUDIO_PARAMETER_KEY_FLUENCE, value);
+        } else
+            goto done;
+    }
+done:
+    return ret;
+}
+#endif /* FLUENCE_ENABLED */
+
 #ifndef AFE_PROXY_ENABLED
-#define audio_extn_set_afe_proxy_parameters(parms)        (0)
+#define audio_extn_set_afe_proxy_parameters(adev, parms)  (0)
 #define audio_extn_get_afe_proxy_parameters(query, reply) (0)
 #else
 /* Front left channel. */
@@ -211,6 +267,10 @@
     ALOGV("%s channel_count:%d",__func__, channel_count);
 
     switch (channel_count) {
+    case 2:
+        set_values[0] = PCM_CHANNEL_FL;
+        set_values[1] = PCM_CHANNEL_FR;
+        break;
     case 6:
         set_values[0] = PCM_CHANNEL_FL;
         set_values[1] = PCM_CHANNEL_FR;
@@ -248,7 +308,8 @@
     return ret;
 }
 
-int32_t audio_extn_set_afe_proxy_channel_mixer(struct audio_device *adev)
+int32_t audio_extn_set_afe_proxy_channel_mixer(struct audio_device *adev,
+                                    int channel_count)
 {
     int32_t ret = 0;
     const char *channel_cnt_str = NULL;
@@ -259,9 +320,8 @@
     /* use the existing channel count set by hardware params to
     configure the back end for stereo as usb/a2dp would be
     stereo by default */
-    ALOGD("%s: channels = %d", __func__,
-           aextnmod.proxy_channel_num);
-    switch (aextnmod.proxy_channel_num) {
+    ALOGD("%s: channels = %d", __func__, channel_count);
+    switch (channel_count) {
     case 8: channel_cnt_str = "Eight"; break;
     case 7: channel_cnt_str = "Seven"; break;
     case 6: channel_cnt_str = "Six"; break;
@@ -271,7 +331,7 @@
     default: channel_cnt_str = "Two"; break;
     }
 
-    if(aextnmod.proxy_channel_num >= 2 && aextnmod.proxy_channel_num < 8) {
+    if(channel_count >= 2 && channel_count <= 8) {
        ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
        if (!ctl) {
             ALOGE("%s: could not get ctl for mixer cmd - %s",
@@ -281,16 +341,19 @@
     }
     mixer_ctl_set_enum_by_string(ctl, channel_cnt_str);
 
-    if (aextnmod.proxy_channel_num == 6 ||
-          aextnmod.proxy_channel_num == 8)
-        ret = afe_proxy_set_channel_mapping(adev,
-                             aextnmod.proxy_channel_num);
+    if (channel_count == 6 || channel_count == 8 || channel_count == 2) {
+        ret = afe_proxy_set_channel_mapping(adev, channel_count);
+    } else {
+        ALOGE("%s: set unsupported channel count(%d)",  __func__, channel_count);
+        ret = -EINVAL;
+    }
 
     ALOGD("%s: exit", __func__);
     return ret;
 }
 
-void audio_extn_set_afe_proxy_parameters(struct str_parms *parms)
+void audio_extn_set_afe_proxy_parameters(struct audio_device *adev,
+                                         struct str_parms *parms)
 {
     int ret, val;
     char value[32]={0};
@@ -300,6 +363,7 @@
     if (ret >= 0) {
         val = atoi(value);
         aextnmod.proxy_channel_num = val;
+        adev->cur_wfd_channels = val;
         ALOGD("%s: channel capability set to: %d", __func__,
                aextnmod.proxy_channel_num);
     }
@@ -352,13 +416,20 @@
     }
     return ret;
 }
+
+int32_t audio_extn_get_afe_proxy_channel_count()
+{
+    return aextnmod.proxy_channel_num;
+}
+
 #endif /* AFE_PROXY_ENABLED */
 
 void audio_extn_set_parameters(struct audio_device *adev,
                                struct str_parms *parms)
 {
    audio_extn_set_anc_parameters(adev, parms);
-   audio_extn_set_afe_proxy_parameters(parms);
+   audio_extn_set_fluence_parameters(adev, parms);
+   audio_extn_set_afe_proxy_parameters(adev, parms);
    audio_extn_fm_set_parameters(adev, parms);
    audio_extn_listen_set_parameters(adev, parms);
    audio_extn_hfp_set_parameters(adev, parms);
@@ -372,6 +443,7 @@
 {
     char *kv_pairs = NULL;
     audio_extn_get_afe_proxy_parameters(query, reply);
+    audio_extn_get_fluence_parameters(adev, query, reply);
 
     kv_pairs = str_parms_to_str(reply);
     ALOGD_IF(kv_pairs != NULL, "%s: returns %s", __func__, kv_pairs);
diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index d432670..c7b0c0b 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.h
@@ -39,12 +39,26 @@
 bool audio_extn_should_use_handset_anc(int in_channels);
 #endif
 
-#ifndef AFE_PROXY_ENABLED
-#define audio_extn_set_afe_proxy_channel_mixer(adev)     (0)
-#define audio_extn_read_afe_proxy_channel_masks(out)     (0)
+#ifndef FLUENCE_ENABLED
+#define audio_extn_set_fluence_parameters(adev, parms) (0)
+#define audio_extn_get_fluence_parameters(adev, query, reply) (0)
 #else
-int32_t audio_extn_set_afe_proxy_channel_mixer(struct audio_device *adev);
+void audio_extn_set_fluence_parameters(struct audio_device *adev,
+                                           struct str_parms *parms);
+int audio_extn_get_fluence_parameters(struct audio_device *adev,
+                  struct str_parms *query, struct str_parms *reply);
+#endif
+
+#ifndef AFE_PROXY_ENABLED
+#define audio_extn_set_afe_proxy_channel_mixer(adev,channel_count)     (0)
+#define audio_extn_read_afe_proxy_channel_masks(out)                   (0)
+#define audio_extn_get_afe_proxy_channel_count()                       (0)
+#else
+int32_t audio_extn_set_afe_proxy_channel_mixer(struct audio_device *adev,
+                                                    int channel_count);
 int32_t audio_extn_read_afe_proxy_channel_masks(struct stream_out *out);
+int32_t audio_extn_get_afe_proxy_channel_count();
+
 #endif
 
 #ifndef USB_HEADSET_ENABLED
@@ -162,7 +176,7 @@
 #endif
 
 #ifndef DS1_DOLBY_DDP_ENABLED
-#define audio_extn_dolby_set_endpoint()                 (0)
+#define audio_extn_dolby_set_endpoint(adev)                 (0)
 #else
 void audio_extn_dolby_set_endpoint(struct audio_device *adev);
 #endif
@@ -170,7 +184,7 @@
 #ifndef DS1_DOLBY_DDP_ENABLED
 #define audio_extn_ddp_set_parameters(adev, parms)      (0)
 #define audio_extn_is_dolby_format(format)              (0)
-#define audio_extn_dolby_get_snd_codec_id(format)       (0)
+#define audio_extn_dolby_get_snd_codec_id(adev, out, format)       (0)
 #define audio_extn_dolby_send_ddp_endp_params(adev)     (0)
 #else
 bool audio_extn_is_dolby_format(audio_format_t format);
diff --git a/hal/audio_extn/dolby.c b/hal/audio_extn/dolby.c
index 094f077..99fa2b7 100644
--- a/hal/audio_extn/dolby.c
+++ b/hal/audio_extn/dolby.c
@@ -64,7 +64,7 @@
 
 /* DS1-DDP Endp Params */
 #define DDP_ENDP_NUM_PARAMS 17
-#define DDP_ENDP_NUM_DEVICES 22
+#define DDP_ENDP_NUM_DEVICES 23
 static int ddp_endp_params_id[DDP_ENDP_NUM_PARAMS] = {
     PARAM_ID_MAX_OUTPUT_CHANNELS, PARAM_ID_CTL_RUNNING_MODE,
     PARAM_ID_CTL_ERROR_CONCEAL, PARAM_ID_CTL_ERROR_MAX_RPTS,
@@ -147,7 +147,10 @@
               {8, 0, 0, 0, 0, 0, 0, 21, 1, 6, 0, 0, 0, 0, 0, 0, 0},
               {1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0} },
           {AUDIO_DEVICE_OUT_PROXY, 2,
-              {8, 0, 0, 0, 0, 0, 0, 21, 1, 6, 0, 0, 0, 0, 0, 0, 0},
+              {8, 0, 0, 0, 0, 0, 0, 21, 1, 2, 0, 0, 0, 0, 0, 0, 0},
+              {1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0} },
+          {AUDIO_DEVICE_OUT_PROXY, 6,
+              {8, 0, 0, 0, 0, 0, 0, 21, 1, 2, 0, 0, 0, 0, 0, 0, 0},
               {1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0} },
 };
 
@@ -264,9 +267,16 @@
             (usecase->stream.out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) &&
             ((usecase->stream.out->format == AUDIO_FORMAT_AC3) ||
              (usecase->stream.out->format == AUDIO_FORMAT_EAC3))) {
+            /*
+             * Use wfd /hdmi sink channel cap for dolby params if device is wfd
+             * or hdmi. Otherwise use stereo configuration
+             */
+            int channel_cap = usecase->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL ?
+                              adev->cur_hdmi_channels :
+                              usecase->devices & AUDIO_DEVICE_OUT_PROXY ?
+                              adev->cur_wfd_channels : 2;
             send_ddp_endp_params_stream(usecase->stream.out, usecase->devices,
-                           usecase->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL ?
-                           adev->cur_hdmi_channels : 2, false /* set cache */);
+                                        channel_cap, false /* set cache */);
         }
     }
 }
@@ -334,7 +344,9 @@
         update_ddp_endp_table(ddp_dev, dev_ch_cap,
                               PARAM_ID_OUT_CTL_STEREO_MODE, val);
     }
-
+    /* TODO: Do we need device channel caps here?
+     * We dont have that information as this is from dolby modules
+     */
     send_ddp_endp_params(adev, ddp_dev, dev_ch_cap);
 }
 
@@ -343,13 +355,20 @@
                                       audio_format_t format)
 {
     int id = 0;
+    /*
+     * Use wfd /hdmi sink channel cap for dolby params if device is wfd
+     * or hdmi. Otherwise use stereo configuration
+     */
+    int channel_cap = out->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL ?
+                      adev->cur_hdmi_channels :
+                      out->devices & AUDIO_DEVICE_OUT_PROXY ?
+                      adev->cur_wfd_channels : 2;
 
     switch (format) {
     case AUDIO_FORMAT_AC3:
         id = SND_AUDIOCODEC_AC3;
         send_ddp_endp_params_stream(out, out->devices,
-                            out->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL ?
-                            adev->cur_hdmi_channels : 2, true /* set_cache */);
+                            channel_cap, true /* set_cache */);
 #ifndef DS1_DOLBY_DAP_ENABLED
         audio_extn_dolby_set_dmid(adev);
 #endif
@@ -357,8 +376,7 @@
     case AUDIO_FORMAT_EAC3:
         id = SND_AUDIOCODEC_EAC3;
         send_ddp_endp_params_stream(out, out->devices,
-                            out->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL ?
-                            adev->cur_hdmi_channels : 2, true /* set_cache */);
+                            channel_cap, true /* set_cache */);
 #ifndef DS1_DOLBY_DAP_ENABLED
         audio_extn_dolby_set_dmid(adev);
 #endif
diff --git a/hal/audio_extn/spkr_protection.c b/hal/audio_extn/spkr_protection.c
index 5ec7eba..6c0eec0 100644
--- a/hal/audio_extn/spkr_protection.c
+++ b/hal/audio_extn/spkr_protection.c
@@ -633,7 +633,11 @@
             ret = -EINVAL;
         }
     }
+
 exit:
+   /* Clear VI feedback cal and replace with handset MIC  */
+   platform_send_audio_calibration(adev->platform,
+        SND_DEVICE_IN_HANDSET_MIC);
     if (ret) {
         if (handle.pcm_tx)
             pcm_close(handle.pcm_tx);
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index b26fd1b..9f76d31 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -119,6 +119,7 @@
     [USECASE_VOICE2_CALL] = "voice2-call",
     [USECASE_VOLTE_CALL] = "volte-call",
     [USECASE_QCHAT_CALL] = "qchat-call",
+    [USECASE_VOWLAN_CALL] = "vowlan-call",
     [USECASE_COMPRESS_VOIP_CALL] = "compress-voip-call",
     [USECASE_INCALL_REC_UPLINK] = "incall-rec-uplink",
     [USECASE_INCALL_REC_DOWNLINK] = "incall-rec-downlink",
@@ -295,6 +296,18 @@
         return 0;
     }
 
+    /* Set BT sample rate before enabling the devices. Adding sample rate mixer
+     * control in use-case does not work because rate update takes place after
+     * AFE port open due to the limitation of mixer control order execution.
+     */
+    if (snd_device == SND_DEVICE_OUT_BT_SCO) {
+        audio_route_apply_path(adev->audio_route, BT_SCO_SAMPLE_RATE);
+        audio_route_update_mixer(adev->audio_route);
+    } else if (snd_device == SND_DEVICE_OUT_BT_SCO_WB) {
+        audio_route_apply_path(adev->audio_route, BT_SCO_WB_SAMPLE_RATE);
+        audio_route_update_mixer(adev->audio_route);
+    }
+
     /* start usb playback thread */
     if(SND_DEVICE_OUT_USB_HEADSET == snd_device ||
        SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET == snd_device)
@@ -304,13 +317,14 @@
     if(SND_DEVICE_IN_USB_HEADSET_MIC == snd_device)
        audio_extn_usb_start_capture(adev);
 
-    if (snd_device == SND_DEVICE_OUT_SPEAKER &&
+    if ((snd_device == SND_DEVICE_OUT_SPEAKER ||
+        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER) &&
         audio_extn_spkr_prot_is_enabled()) {
-       if (audio_extn_spkr_prot_start_processing(snd_device)) {
-          ALOGE("%s: spkr_start_processing failed", __func__);
-          return -EINVAL;
-      }
-    }  else {
+        if (audio_extn_spkr_prot_start_processing(snd_device)) {
+            ALOGE("%s: spkr_start_processing failed", __func__);
+            return -EINVAL;
+        }
+    } else {
         ALOGV("%s: snd_device(%d: %s)", __func__,
         snd_device, device_name);
         if (platform_send_audio_calibration(adev->platform, snd_device) < 0) {
@@ -363,7 +377,8 @@
         if(SND_DEVICE_IN_USB_HEADSET_MIC == snd_device)
             audio_extn_usb_stop_capture(adev);
 
-        if (snd_device == SND_DEVICE_OUT_SPEAKER &&
+        if ((snd_device == SND_DEVICE_OUT_SPEAKER ||
+            snd_device == SND_DEVICE_OUT_VOICE_SPEAKER) &&
             audio_extn_spkr_prot_is_enabled()) {
             audio_extn_spkr_prot_stop_processing();
         } else
@@ -550,21 +565,6 @@
     return ret;
 }
 
-static void update_devices_for_all_voice_usecases(struct audio_device *adev)
-{
-    struct listnode *node;
-    struct audio_usecase *usecase;
-
-    list_for_each(node, &adev->usecase_list) {
-        usecase = node_to_item(node, struct audio_usecase, list);
-        if (usecase->type == VOICE_CALL) {
-            ALOGV("%s: updating device for usecase:%s", __func__,
-                  use_case_table[usecase->id]);
-            select_devices(adev, usecase->id);
-        }
-    }
-}
-
 static audio_usecase_t get_voice_usecase_id_from_list(struct audio_device *adev)
 {
     struct audio_usecase *usecase;
@@ -1466,7 +1466,7 @@
             } else if ((adev->mode == AUDIO_MODE_IN_CALL) &&
                             voice_is_in_call(adev) &&
                             (out == adev->primary_output)) {
-                update_devices_for_all_voice_usecases(adev);
+                voice_update_devices_for_all_voice_usecases(adev);
             }
         }
 
@@ -2695,6 +2695,7 @@
     adev->snd_dev_ref_cnt = calloc(SND_DEVICE_MAX, sizeof(int));
     voice_init(adev);
     list_init(&adev->usecase_list);
+    adev->cur_wfd_channels = 2;
 
     /* Loads platform specific libraries dynamically */
     adev->platform = platform_init(adev);
diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index 205977b..7a79a1f 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
  * Not a contribution.
  *
  * Copyright (C) 2013 The Android Open Source Project
@@ -31,14 +31,19 @@
 #define VISUALIZER_LIBRARY_PATH "/system/lib/soundfx/libqcomvisualizer.so"
 #define OFFLOAD_EFFECTS_BUNDLE_LIBRARY_PATH "/system/lib/soundfx/libqcompostprocbundle.so"
 
+#define BT_SCO_SAMPLE_RATE "bt-sco-samplerate"
+#define BT_SCO_WB_SAMPLE_RATE "bt-sco-wb-samplerate"
+
 /* Flags used to initialize acdb_settings variable that goes to ACDB library */
-#define DMIC_FLAG       0x00000002
-#define QMIC_FLAG       0x00000004
-#define TTY_MODE_OFF    0x00000010
-#define TTY_MODE_FULL   0x00000020
-#define TTY_MODE_VCO    0x00000040
-#define TTY_MODE_HCO    0x00000080
-#define TTY_MODE_CLEAR  0xFFFFFF0F
+#define NONE_FLAG            0x00000000
+#define DMIC_FLAG            0x00000002
+#define QMIC_FLAG            0x00000004
+#define TTY_MODE_OFF         0x00000010
+#define TTY_MODE_FULL        0x00000020
+#define TTY_MODE_VCO         0x00000040
+#define TTY_MODE_HCO         0x00000080
+#define TTY_MODE_CLEAR       0xFFFFFF0F
+#define FLUENCE_MODE_CLEAR   0xFFFFFFF0
 
 #define ACDB_DEV_TYPE_OUT 1
 #define ACDB_DEV_TYPE_IN 2
@@ -80,6 +85,7 @@
     USECASE_VOICE2_CALL,
     USECASE_VOLTE_CALL,
     USECASE_QCHAT_CALL,
+    USECASE_VOWLAN_CALL,
     USECASE_COMPRESS_VOIP_CALL,
 
     USECASE_INCALL_REC_UPLINK,
@@ -223,6 +229,7 @@
     bool speaker_lr_swap;
     struct voice voice;
     unsigned int cur_hdmi_channels;
+    unsigned int cur_wfd_channels;
 
     int snd_card;
     void *platform;
diff --git a/hal/msm8916/hw_info.c b/hal/msm8916/hw_info.c
new file mode 100644
index 0000000..7b955ba
--- /dev/null
+++ b/hal/msm8916/hw_info.c
@@ -0,0 +1,192 @@
+/*
+ * Copyright (c) 2014, 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 "hardware_info"
+/*#define LOG_NDEBUG 0*/
+#define LOG_NDDEBUG 0
+
+#include <stdlib.h>
+#include <dlfcn.h>
+#include <cutils/log.h>
+#include <cutils/str_parms.h>
+#include "audio_hw.h"
+#include "platform.h"
+#include "platform_api.h"
+
+
+struct hardware_info {
+    char name[HW_INFO_ARRAY_MAX_SIZE];
+    char type[HW_INFO_ARRAY_MAX_SIZE];
+    /* variables for handling target variants */
+    uint32_t num_snd_devices;
+    char dev_extn[HW_INFO_ARRAY_MAX_SIZE];
+    snd_device_t  *snd_devices;
+};
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
+static const snd_device_t taiko_fluid_variant_devices[] = {
+    SND_DEVICE_OUT_SPEAKER,
+    SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
+    SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET,
+};
+
+static const snd_device_t taiko_CDP_variant_devices[] = {
+    SND_DEVICE_OUT_SPEAKER,
+    SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
+    SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET,
+    SND_DEVICE_IN_QUAD_MIC,
+};
+
+static const snd_device_t taiko_apq8084_CDP_variant_devices[] = {
+    SND_DEVICE_IN_HANDSET_MIC,
+};
+
+static const snd_device_t taiko_liquid_variant_devices[] = {
+    SND_DEVICE_OUT_SPEAKER,
+    SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
+    SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET,
+    SND_DEVICE_IN_SPEAKER_MIC,
+    SND_DEVICE_IN_HEADSET_MIC,
+    SND_DEVICE_IN_VOICE_DMIC,
+    SND_DEVICE_IN_VOICE_SPEAKER_DMIC,
+    SND_DEVICE_IN_VOICE_REC_DMIC_STEREO,
+    SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE,
+    SND_DEVICE_IN_QUAD_MIC,
+    SND_DEVICE_IN_HANDSET_STEREO_DMIC,
+    SND_DEVICE_IN_SPEAKER_STEREO_DMIC,
+};
+
+static const snd_device_t taiko_DB_variant_devices[] = {
+    SND_DEVICE_OUT_SPEAKER,
+    SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
+    SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET,
+    SND_DEVICE_IN_SPEAKER_MIC,
+    SND_DEVICE_IN_HEADSET_MIC,
+    SND_DEVICE_IN_QUAD_MIC,
+};
+
+static const snd_device_t tapan_lite_variant_devices[] = {
+    SND_DEVICE_OUT_SPEAKER,
+    SND_DEVICE_OUT_HEADPHONES,
+    SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
+    SND_DEVICE_OUT_VOICE_HEADPHONES,
+    SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES,
+    SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,
+};
+
+static const snd_device_t tapan_skuf_variant_devices[] = {
+    SND_DEVICE_OUT_SPEAKER,
+    SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
+    SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET,
+    /*SND_DEVICE_OUT_SPEAKER_AND_ANC_FB_HEADSET,*/
+};
+
+static const snd_device_t tapan_lite_skuf_variant_devices[] = {
+    SND_DEVICE_OUT_SPEAKER,
+    SND_DEVICE_OUT_HEADPHONES,
+    SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
+    SND_DEVICE_OUT_VOICE_HEADPHONES,
+    SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES,
+    SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,
+};
+
+static const snd_device_t helicon_skuab_variant_devices[] = {
+    SND_DEVICE_OUT_SPEAKER,
+    SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
+    SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET,
+};
+
+static void update_hardware_info_8x16(struct hardware_info *hw_info, const char *snd_card_name)
+{
+    if (!strcmp(snd_card_name, "msm8x16-snd-card")) {
+        strlcpy(hw_info->type, "", sizeof(hw_info->type));
+        strlcpy(hw_info->name, "msm8x16", sizeof(hw_info->name));
+        hw_info->snd_devices = NULL;
+        hw_info->num_snd_devices = 0;
+        strlcpy(hw_info->dev_extn, "", sizeof(hw_info->dev_extn));
+    } else if (!strcmp(snd_card_name, "msm8x16-skuh-snd-card")) {
+        strlcpy(hw_info->type, "skuh", sizeof(hw_info->type));
+        strlcpy(hw_info->name, "msm8x16", sizeof(hw_info->name));
+        hw_info->snd_devices = NULL;
+        hw_info->num_snd_devices = 0;
+        strlcpy(hw_info->dev_extn, "", sizeof(hw_info->dev_extn));
+    } else {
+        ALOGW("%s: Not an  8x16 device", __func__);
+    }
+}
+
+void *hw_info_init(const char *snd_card_name)
+{
+    struct hardware_info *hw_info;
+
+    hw_info = malloc(sizeof(struct hardware_info));
+
+    if(strstr(snd_card_name, "msm8x16")) {
+        ALOGV("8x16 - variant soundcard");
+        update_hardware_info_8x16(hw_info, snd_card_name);
+    } else {
+        ALOGE("%s: Unsupported target %s:",__func__, snd_card_name);
+        free(hw_info);
+        hw_info = NULL;
+    }
+
+    return hw_info;
+}
+
+void hw_info_deinit(void *hw_info)
+{
+    struct hardware_info *my_data = (struct hardware_info*) hw_info;
+
+    if(!my_data)
+        free(my_data);
+}
+
+void hw_info_append_hw_type(void *hw_info, snd_device_t snd_device,
+                            char *device_name)
+{
+    struct hardware_info *my_data = (struct hardware_info*) hw_info;
+    uint32_t i = 0;
+
+    snd_device_t *snd_devices =
+            (snd_device_t *) my_data->snd_devices;
+
+    if(snd_devices != NULL) {
+        for (i = 0; i <  my_data->num_snd_devices; i++) {
+            if (snd_device == (snd_device_t)snd_devices[i]) {
+                ALOGV("extract dev_extn device %d, extn = %s",
+                        (snd_device_t)snd_devices[i],  my_data->dev_extn);
+                CHECK(strlcat(device_name,  my_data->dev_extn,
+                        DEVICE_NAME_MAX_SIZE) < DEVICE_NAME_MAX_SIZE);
+                break;
+            }
+        }
+    }
+    ALOGD("%s : device_name = %s", __func__,device_name);
+}
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
new file mode 100644
index 0000000..8cb2599
--- /dev/null
+++ b/hal/msm8916/platform.c
@@ -0,0 +1,1888 @@
+/*
+ * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
+ * Not a Contribution.
+ *
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "msm8916_platform"
+/*#define LOG_NDEBUG 0*/
+#define LOG_NDDEBUG 0
+
+#include <stdlib.h>
+#include <dlfcn.h>
+#include <cutils/log.h>
+#include <cutils/properties.h>
+#include <cutils/str_parms.h>
+#include <audio_hw.h>
+#include <platform_api.h>
+#include "platform.h"
+#include "audio_extn.h"
+#include "voice_extn.h"
+
+#define MIXER_XML_PATH "/system/etc/mixer_paths.xml"
+#define MIXER_XML_PATH_AUXPCM "/system/etc/mixer_paths_auxpcm.xml"
+#define PLATFORM_INFO_XML_PATH      "/system/etc/audio_platform_info.xml"
+#define LIB_ACDB_LOADER "libacdbloader.so"
+#define AUDIO_DATA_BLOCK_MIXER_CTL "HDMI EDID"
+
+#define MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE (256 * 1024)
+#define MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE (2 * 1024)
+#define COMPRESS_OFFLOAD_FRAGMENT_SIZE_FOR_AV_STREAMING (2 * 1024)
+#define COMPRESS_OFFLOAD_FRAGMENT_SIZE (32 * 1024)
+/* Used in calculating fragment size for pcm offload */
+#define PCM_OFFLOAD_BUFFER_DURATION_FOR_AV 2000 /* 2 secs */
+#define PCM_OFFLOAD_BUFFER_DURATION_FOR_AV_STREAMING 100 /* 100 millisecs */
+
+/* MAX PCM fragment size cannot be increased  further due
+ * to flinger's cblk size of 1mb,and it has to be a multiple of
+ * 24 - lcm of channels supported by DSP
+ */
+#define MAX_PCM_OFFLOAD_FRAGMENT_SIZE (240 * 1024)
+#define MIN_PCM_OFFLOAD_FRAGMENT_SIZE (32 * 1024)
+
+#define ALIGN( num, to ) (((num) + (to-1)) & (~(to-1)))
+/*
+ * This file will have a maximum of 38 bytes:
+ *
+ * 4 bytes: number of audio blocks
+ * 4 bytes: total length of Short Audio Descriptor (SAD) blocks
+ * Maximum 10 * 3 bytes: SAD blocks
+ */
+#define MAX_SAD_BLOCKS      10
+#define SAD_BLOCK_SIZE      3
+
+/* EDID format ID for LPCM audio */
+#define EDID_FORMAT_LPCM    1
+
+/* Retry for delay in FW loading*/
+#define RETRY_NUMBER 20
+#define RETRY_US 500000
+#define MAX_SND_CARD 8
+
+#define SAMPLE_RATE_8KHZ  8000
+#define SAMPLE_RATE_16KHZ 16000
+
+#define AUDIO_PARAMETER_KEY_FLUENCE_TYPE  "fluence"
+#define AUDIO_PARAMETER_KEY_BTSCO         "bt_samplerate"
+#define AUDIO_PARAMETER_KEY_SLOWTALK      "st_enable"
+#define AUDIO_PARAMETER_KEY_VOLUME_BOOST  "volume_boost"
+
+enum {
+	VOICE_FEATURE_SET_DEFAULT,
+	VOICE_FEATURE_SET_VOLUME_BOOST
+};
+
+struct audio_block_header
+{
+    int reserved;
+    int length;
+};
+
+/* Audio calibration related functions */
+typedef void (*acdb_deallocate_t)();
+typedef int  (*acdb_init_t)(char *);
+typedef void (*acdb_send_audio_cal_t)(int, int);
+typedef void (*acdb_send_voice_cal_t)(int, int);
+typedef int (*acdb_reload_vocvoltable_t)(int);
+
+struct platform_data {
+    struct audio_device *adev;
+    bool fluence_in_spkr_mode;
+    bool fluence_in_voice_call;
+    bool fluence_in_voice_rec;
+    bool fluence_in_audio_rec;
+    int  fluence_type;
+    char fluence_cap[PROPERTY_VALUE_MAX];
+    int  btsco_sample_rate;
+    bool slowtalk;
+    /* Audio calibration related functions */
+    void                       *acdb_handle;
+    int                        voice_feature_set;
+    acdb_init_t                acdb_init;
+    acdb_deallocate_t          acdb_deallocate;
+    acdb_send_audio_cal_t      acdb_send_audio_cal;
+    acdb_send_voice_cal_t      acdb_send_voice_cal;
+    acdb_reload_vocvoltable_t  acdb_reload_vocvoltable;
+
+    void *hw_info;
+    struct csd_data *csd;
+};
+
+static const int pcm_device_table[AUDIO_USECASE_MAX][2] = {
+    [USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = {DEEP_BUFFER_PCM_DEVICE,
+                                            DEEP_BUFFER_PCM_DEVICE},
+    [USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {LOWLATENCY_PCM_DEVICE,
+                                           LOWLATENCY_PCM_DEVICE},
+    [USECASE_AUDIO_PLAYBACK_MULTI_CH] = {MULTIMEDIA2_PCM_DEVICE,
+                                        MULTIMEDIA2_PCM_DEVICE},
+    [USECASE_AUDIO_PLAYBACK_OFFLOAD] =
+                     {PLAYBACK_OFFLOAD_DEVICE, PLAYBACK_OFFLOAD_DEVICE},
+    [USECASE_AUDIO_RECORD] = {AUDIO_RECORD_PCM_DEVICE, AUDIO_RECORD_PCM_DEVICE},
+    [USECASE_AUDIO_RECORD_COMPRESS] = {COMPRESS_CAPTURE_DEVICE, COMPRESS_CAPTURE_DEVICE},
+    [USECASE_AUDIO_RECORD_LOW_LATENCY] = {LOWLATENCY_PCM_DEVICE,
+                                          LOWLATENCY_PCM_DEVICE},
+    [USECASE_AUDIO_RECORD_FM_VIRTUAL] = {MULTIMEDIA2_PCM_DEVICE,
+                                  MULTIMEDIA2_PCM_DEVICE},
+    [USECASE_AUDIO_PLAYBACK_FM] = {FM_PLAYBACK_PCM_DEVICE, FM_CAPTURE_PCM_DEVICE},
+    [USECASE_AUDIO_HFP_SCO] = {HFP_PCM_RX, HFP_SCO_RX},
+    [USECASE_AUDIO_HFP_SCO_WB] = {HFP_PCM_RX, HFP_SCO_RX},
+    [USECASE_VOICE_CALL] = {VOICE_CALL_PCM_DEVICE, VOICE_CALL_PCM_DEVICE},
+    [USECASE_VOICE2_CALL] = {VOICE2_CALL_PCM_DEVICE, VOICE2_CALL_PCM_DEVICE},
+    [USECASE_VOLTE_CALL] = {VOLTE_CALL_PCM_DEVICE, VOLTE_CALL_PCM_DEVICE},
+    [USECASE_QCHAT_CALL] = {QCHAT_CALL_PCM_DEVICE, QCHAT_CALL_PCM_DEVICE},
+    [USECASE_COMPRESS_VOIP_CALL] = {COMPRESS_VOIP_CALL_PCM_DEVICE, COMPRESS_VOIP_CALL_PCM_DEVICE},
+    [USECASE_INCALL_REC_UPLINK] = {AUDIO_RECORD_PCM_DEVICE,
+                                   AUDIO_RECORD_PCM_DEVICE},
+    [USECASE_INCALL_REC_DOWNLINK] = {AUDIO_RECORD_PCM_DEVICE,
+                                     AUDIO_RECORD_PCM_DEVICE},
+    [USECASE_INCALL_REC_UPLINK_AND_DOWNLINK] = {AUDIO_RECORD_PCM_DEVICE,
+                                                AUDIO_RECORD_PCM_DEVICE},
+    [USECASE_INCALL_REC_UPLINK_COMPRESS] = {COMPRESS_CAPTURE_DEVICE,
+                                            COMPRESS_CAPTURE_DEVICE},
+    [USECASE_INCALL_REC_DOWNLINK_COMPRESS] = {COMPRESS_CAPTURE_DEVICE,
+                                              COMPRESS_CAPTURE_DEVICE},
+    [USECASE_INCALL_REC_UPLINK_AND_DOWNLINK_COMPRESS] = {COMPRESS_CAPTURE_DEVICE,
+                                                         COMPRESS_CAPTURE_DEVICE},
+    [USECASE_INCALL_MUSIC_UPLINK] = {INCALL_MUSIC_UPLINK_PCM_DEVICE,
+                                     INCALL_MUSIC_UPLINK_PCM_DEVICE},
+    [USECASE_INCALL_MUSIC_UPLINK2] = {INCALL_MUSIC_UPLINK2_PCM_DEVICE,
+                                      INCALL_MUSIC_UPLINK2_PCM_DEVICE},
+    [USECASE_AUDIO_SPKR_CALIB_RX] = {SPKR_PROT_CALIB_RX_PCM_DEVICE, -1},
+    [USECASE_AUDIO_SPKR_CALIB_TX] = {-1, SPKR_PROT_CALIB_TX_PCM_DEVICE},
+};
+
+/* Array to store sound devices */
+static const char * const device_table[SND_DEVICE_MAX] = {
+    [SND_DEVICE_NONE] = "none",
+    /* Playback sound devices */
+    [SND_DEVICE_OUT_HANDSET] = "handset",
+    [SND_DEVICE_OUT_SPEAKER] = "speaker",
+    [SND_DEVICE_OUT_SPEAKER_REVERSE] = "speaker-reverse",
+    [SND_DEVICE_OUT_HEADPHONES] = "headphones",
+    [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = "speaker-and-headphones",
+    [SND_DEVICE_OUT_VOICE_HANDSET] = "voice-handset",
+    [SND_DEVICE_OUT_VOICE_SPEAKER] = "voice-speaker",
+    [SND_DEVICE_OUT_VOICE_HEADPHONES] = "voice-headphones",
+    [SND_DEVICE_OUT_HDMI] = "hdmi",
+    [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = "speaker-and-hdmi",
+    [SND_DEVICE_OUT_BT_SCO] = "bt-sco-headset",
+    [SND_DEVICE_OUT_BT_SCO_WB] = "bt-sco-headset-wb",
+    [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones",
+    [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones",
+    [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset",
+    [SND_DEVICE_OUT_AFE_PROXY] = "afe-proxy",
+    [SND_DEVICE_OUT_USB_HEADSET] = "usb-headphones",
+    [SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = "speaker-and-usb-headphones",
+    [SND_DEVICE_OUT_TRANSMISSION_FM] = "transmission-fm",
+    [SND_DEVICE_OUT_ANC_HEADSET] = "anc-headphones",
+    [SND_DEVICE_OUT_ANC_FB_HEADSET] = "anc-fb-headphones",
+    [SND_DEVICE_OUT_VOICE_ANC_HEADSET] = "voice-anc-headphones",
+    [SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET] = "voice-anc-fb-headphones",
+    [SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET] = "speaker-and-anc-headphones",
+    [SND_DEVICE_OUT_ANC_HANDSET] = "anc-handset",
+    [SND_DEVICE_OUT_SPEAKER_PROTECTED] = "speaker-protected",
+
+    /* Capture sound devices */
+    [SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
+    [SND_DEVICE_IN_HANDSET_MIC_AEC] = "handset-mic",
+    [SND_DEVICE_IN_HANDSET_MIC_NS] = "handset-mic",
+    [SND_DEVICE_IN_HANDSET_MIC_AEC_NS] = "handset-mic",
+    [SND_DEVICE_IN_HANDSET_DMIC] = "dmic-endfire",
+    [SND_DEVICE_IN_HANDSET_DMIC_AEC] = "dmic-endfire",
+    [SND_DEVICE_IN_HANDSET_DMIC_NS] = "dmic-endfire",
+    [SND_DEVICE_IN_HANDSET_DMIC_AEC_NS] = "dmic-endfire",
+    [SND_DEVICE_IN_SPEAKER_MIC] = "speaker-mic",
+    [SND_DEVICE_IN_SPEAKER_MIC_AEC] = "speaker-mic",
+    [SND_DEVICE_IN_SPEAKER_MIC_NS] = "speaker-mic",
+    [SND_DEVICE_IN_SPEAKER_MIC_AEC_NS] = "speaker-mic",
+    [SND_DEVICE_IN_SPEAKER_DMIC] = "speaker-dmic-endfire",
+    [SND_DEVICE_IN_SPEAKER_DMIC_AEC] = "speaker-dmic-endfire",
+    [SND_DEVICE_IN_SPEAKER_DMIC_NS] = "speaker-dmic-endfire",
+    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS] = "speaker-dmic-endfire",
+    [SND_DEVICE_IN_HEADSET_MIC] = "headset-mic",
+    [SND_DEVICE_IN_HEADSET_MIC_FLUENCE] = "headset-mic",
+    [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = "voice-speaker-mic",
+    [SND_DEVICE_IN_VOICE_HEADSET_MIC] = "voice-headset-mic",
+    [SND_DEVICE_IN_HDMI_MIC] = "hdmi-mic",
+    [SND_DEVICE_IN_BT_SCO_MIC] = "bt-sco-mic",
+    [SND_DEVICE_IN_BT_SCO_MIC_WB] = "bt-sco-mic-wb",
+    [SND_DEVICE_IN_CAMCORDER_MIC] = "camcorder-mic",
+    [SND_DEVICE_IN_VOICE_DMIC] = "voice-dmic-ef",
+    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC] = "voice-speaker-dmic-ef",
+    [SND_DEVICE_IN_VOICE_SPEAKER_QMIC] = "voice-speaker-qmic",
+    [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = "voice-tty-full-headset-mic",
+    [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = "voice-tty-vco-handset-mic",
+    [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = "voice-tty-hco-headset-mic",
+    [SND_DEVICE_IN_VOICE_REC_MIC] = "voice-rec-mic",
+    [SND_DEVICE_IN_VOICE_REC_MIC_NS] = "voice-rec-mic",
+    [SND_DEVICE_IN_VOICE_REC_DMIC_STEREO] = "voice-rec-dmic-ef",
+    [SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = "voice-rec-dmic-ef-fluence",
+    [SND_DEVICE_IN_USB_HEADSET_MIC] = "usb-headset-mic",
+    [SND_DEVICE_IN_CAPTURE_FM] = "capture-fm",
+    [SND_DEVICE_IN_AANC_HANDSET_MIC] = "aanc-handset-mic",
+    [SND_DEVICE_IN_QUAD_MIC] = "quad-mic",
+    [SND_DEVICE_IN_HANDSET_STEREO_DMIC] = "handset-stereo-dmic-ef",
+    [SND_DEVICE_IN_SPEAKER_STEREO_DMIC] = "speaker-stereo-dmic-ef",
+    [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK] = "vi-feedback",
+};
+
+/* ACDB IDs (audio DSP path configuration IDs) for each sound device */
+static int acdb_device_table[SND_DEVICE_MAX] = {
+    [SND_DEVICE_NONE] = -1,
+    [SND_DEVICE_OUT_HANDSET] = 7,
+    [SND_DEVICE_OUT_SPEAKER] = 14,
+    [SND_DEVICE_OUT_SPEAKER_REVERSE] = 14,
+    [SND_DEVICE_OUT_HEADPHONES] = 10,
+    [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = 10,
+    [SND_DEVICE_OUT_VOICE_HANDSET] = 7,
+    [SND_DEVICE_OUT_VOICE_SPEAKER] = 14,
+    [SND_DEVICE_OUT_VOICE_HEADPHONES] = 10,
+    [SND_DEVICE_OUT_HDMI] = 18,
+    [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = 14,
+    [SND_DEVICE_OUT_BT_SCO] = 22,
+    [SND_DEVICE_OUT_BT_SCO_WB] = 39,
+    [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17,
+    [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17,
+    [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = 37,
+    [SND_DEVICE_OUT_AFE_PROXY] = 0,
+    [SND_DEVICE_OUT_USB_HEADSET] = 45,
+    [SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = 14,
+    [SND_DEVICE_OUT_TRANSMISSION_FM] = 0,
+    [SND_DEVICE_OUT_ANC_HEADSET] = 26,
+    [SND_DEVICE_OUT_ANC_FB_HEADSET] = 27,
+    [SND_DEVICE_OUT_VOICE_ANC_HEADSET] = 26,
+    [SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET] = 27,
+    [SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET] = 26,
+    [SND_DEVICE_OUT_ANC_HANDSET] = 103,
+    [SND_DEVICE_OUT_SPEAKER_PROTECTED] = 101,
+
+    [SND_DEVICE_IN_HANDSET_MIC] = 4,
+    [SND_DEVICE_IN_HANDSET_MIC_AEC] = 106,
+    [SND_DEVICE_IN_HANDSET_MIC_NS] = 107,
+    [SND_DEVICE_IN_HANDSET_MIC_AEC_NS] = 108,
+    [SND_DEVICE_IN_HANDSET_DMIC] = 41,
+    [SND_DEVICE_IN_HANDSET_DMIC_AEC] = 109,
+    [SND_DEVICE_IN_HANDSET_DMIC_NS] = 110,
+    [SND_DEVICE_IN_HANDSET_DMIC_AEC_NS] = 111,
+    [SND_DEVICE_IN_SPEAKER_MIC] = 11,
+    [SND_DEVICE_IN_SPEAKER_MIC_AEC] = 112,
+    [SND_DEVICE_IN_SPEAKER_MIC_NS] = 113,
+    [SND_DEVICE_IN_SPEAKER_MIC_AEC_NS] = 114,
+    [SND_DEVICE_IN_SPEAKER_DMIC] = 43,
+    [SND_DEVICE_IN_SPEAKER_DMIC_AEC] = 115,
+    [SND_DEVICE_IN_SPEAKER_DMIC_NS] = 116,
+    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS] = 117,
+    [SND_DEVICE_IN_HEADSET_MIC] = 8,
+    [SND_DEVICE_IN_HEADSET_MIC_FLUENCE] = 47,
+    [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = 11,
+    [SND_DEVICE_IN_VOICE_HEADSET_MIC] = 8,
+    [SND_DEVICE_IN_HDMI_MIC] = 4,
+    [SND_DEVICE_IN_BT_SCO_MIC] = 21,
+    [SND_DEVICE_IN_BT_SCO_MIC_WB] = 38,
+    [SND_DEVICE_IN_CAMCORDER_MIC] = 4,
+    [SND_DEVICE_IN_VOICE_DMIC] = 41,
+    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC] = 43,
+    [SND_DEVICE_IN_VOICE_SPEAKER_QMIC] = 19,
+    [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = 16,
+    [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = 36,
+    [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = 16,
+    [SND_DEVICE_IN_VOICE_REC_MIC] = 4,
+    [SND_DEVICE_IN_VOICE_REC_MIC_NS] = 107,
+    [SND_DEVICE_IN_VOICE_REC_DMIC_STEREO] = 34,
+    [SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = 41,
+    [SND_DEVICE_IN_USB_HEADSET_MIC] = 44,
+    [SND_DEVICE_IN_CAPTURE_FM] = 0,
+    [SND_DEVICE_IN_AANC_HANDSET_MIC] = 104,
+    [SND_DEVICE_IN_QUAD_MIC] = 46,
+    [SND_DEVICE_IN_HANDSET_STEREO_DMIC] = 34,
+    [SND_DEVICE_IN_SPEAKER_STEREO_DMIC] = 35,
+    [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK] = 102,
+};
+
+struct snd_device_index {
+    char name[100];
+    unsigned int index;
+};
+
+#define TO_NAME_INDEX(X)   #X, X
+
+/* Used to get index from parsed sting */
+struct snd_device_index snd_device_name_index[SND_DEVICE_MAX] = {
+    {TO_NAME_INDEX(SND_DEVICE_OUT_HANDSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_REVERSE)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_HEADPHONES)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HANDSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HEADPHONES)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_HDMI)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_HDMI)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_BT_SCO)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_BT_SCO_WB)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_AFE_PROXY)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_USB_HEADSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_TRANSMISSION_FM)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_ANC_HEADSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_ANC_FB_HEADSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_ANC_HEADSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_ANC_HANDSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_PROTECTED)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_AEC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_NS)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_AEC_NS)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC_AEC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC_NS)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC_AEC_NS)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC_AEC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC_NS)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC_AEC_NS)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_NS)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HEADSET_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HEADSET_MIC_FLUENCE)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_HEADSET_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HDMI_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_BT_SCO_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_BT_SCO_MIC_WB)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_CAMCORDER_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_DMIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_DMIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_QMIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_MIC_NS)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_DMIC_STEREO)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_USB_HEADSET_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_CAPTURE_FM)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_AANC_HANDSET_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_QUAD_MIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_STEREO_DMIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_STEREO_DMIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_CAPTURE_VI_FEEDBACK)},
+};
+
+#define DEEP_BUFFER_PLATFORM_DELAY (29*1000LL)
+#define LOW_LATENCY_PLATFORM_DELAY (13*1000LL)
+
+static int set_echo_reference(struct mixer *mixer, const char* ec_ref)
+{
+    struct mixer_ctl *ctl;
+    const char *mixer_ctl_name = "EC_REF_RX";
+
+    ctl = mixer_get_ctl_by_name(mixer, mixer_ctl_name);
+    if (!ctl) {
+        ALOGE("%s: Could not get ctl for mixer cmd - %s",
+              __func__, mixer_ctl_name);
+        return -EINVAL;
+    }
+    ALOGV("Setting EC Reference: %s", ec_ref);
+    mixer_ctl_set_enum_by_string(ctl, ec_ref);
+    return 0;
+}
+
+static struct csd_data *open_csd_client()
+{
+    struct csd_data *csd = calloc(1, sizeof(struct csd_data));
+
+    csd->csd_client = dlopen(LIB_CSD_CLIENT, RTLD_NOW);
+    if (csd->csd_client == NULL) {
+        ALOGE("%s: DLOPEN failed for %s", __func__, LIB_CSD_CLIENT);
+        goto error;
+    } else {
+        ALOGV("%s: DLOPEN successful for %s", __func__, LIB_CSD_CLIENT);
+
+        csd->deinit = (deinit_t)dlsym(csd->csd_client,
+                                             "csd_client_deinit");
+        if (csd->deinit == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_deinit", __func__,
+                  dlerror());
+            goto error;
+        }
+        csd->disable_device = (disable_device_t)dlsym(csd->csd_client,
+                                             "csd_client_disable_device");
+        if (csd->disable_device == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_disable_device",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->enable_device_config = (enable_device_config_t)dlsym(csd->csd_client,
+                                               "csd_client_enable_device_config");
+        if (csd->enable_device_config == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_enable_device_config",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->enable_device = (enable_device_t)dlsym(csd->csd_client,
+                                             "csd_client_enable_device");
+        if (csd->enable_device == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_enable_device",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->start_voice = (start_voice_t)dlsym(csd->csd_client,
+                                             "csd_client_start_voice");
+        if (csd->start_voice == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_start_voice",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->stop_voice = (stop_voice_t)dlsym(csd->csd_client,
+                                             "csd_client_stop_voice");
+        if (csd->stop_voice == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_stop_voice",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->volume = (volume_t)dlsym(csd->csd_client,
+                                             "csd_client_volume");
+        if (csd->volume == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_volume",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->mic_mute = (mic_mute_t)dlsym(csd->csd_client,
+                                             "csd_client_mic_mute");
+        if (csd->mic_mute == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_mic_mute",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->slow_talk = (slow_talk_t)dlsym(csd->csd_client,
+                                             "csd_client_slow_talk");
+        if (csd->slow_talk == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_slow_talk",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->start_playback = (start_playback_t)dlsym(csd->csd_client,
+                                             "csd_client_start_playback");
+        if (csd->start_playback == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_start_playback",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->stop_playback = (stop_playback_t)dlsym(csd->csd_client,
+                                             "csd_client_stop_playback");
+        if (csd->stop_playback == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_stop_playback",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->start_record = (start_record_t)dlsym(csd->csd_client,
+                                             "csd_client_start_record");
+        if (csd->start_record == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_start_record",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->stop_record = (stop_record_t)dlsym(csd->csd_client,
+                                             "csd_client_stop_record");
+        if (csd->stop_record == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_stop_record",
+                  __func__, dlerror());
+            goto error;
+        }
+        csd->init = (init_t)dlsym(csd->csd_client, "csd_client_init");
+
+        if (csd->init == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_init",
+                  __func__, dlerror());
+            goto error;
+        } else {
+            csd->init();
+        }
+    }
+    return csd;
+
+error:
+    free(csd);
+    csd = NULL;
+    return csd;
+}
+
+void close_csd_client(struct csd_data *csd)
+{
+    if (csd != NULL) {
+        csd->deinit();
+        dlclose(csd->csd_client);
+        free(csd);
+        csd = NULL;
+    }
+}
+
+void *platform_init(struct audio_device *adev)
+{
+    char platform[PROPERTY_VALUE_MAX];
+    char baseband[PROPERTY_VALUE_MAX];
+    char value[PROPERTY_VALUE_MAX];
+    struct platform_data *my_data = NULL;
+    int retry_num = 0, snd_card_num = 0;
+    const char *snd_card_name;
+
+    my_data = calloc(1, sizeof(struct platform_data));
+
+    while (snd_card_num < MAX_SND_CARD) {
+        adev->mixer = mixer_open(snd_card_num);
+
+        while (!adev->mixer && retry_num < RETRY_NUMBER) {
+            usleep(RETRY_US);
+            adev->mixer = mixer_open(snd_card_num);
+            retry_num++;
+        }
+
+        if (!adev->mixer) {
+            ALOGE("%s: Unable to open the mixer card: %d", __func__,
+                   snd_card_num);
+            retry_num = 0;
+            snd_card_num++;
+            continue;
+        }
+
+        snd_card_name = mixer_get_name(adev->mixer);
+        ALOGV("%s: snd_card_name: %s", __func__, snd_card_name);
+
+        my_data->hw_info = hw_info_init(snd_card_name);
+        if (!my_data->hw_info) {
+            ALOGE("%s: Failed to init hardware info", __func__);
+        } else {
+            if (audio_extn_read_xml(adev, snd_card_num, MIXER_XML_PATH,
+                                    MIXER_XML_PATH_AUXPCM) == -ENOSYS)
+                adev->audio_route = audio_route_init(snd_card_num,
+                                                 MIXER_XML_PATH);
+            if (!adev->audio_route) {
+                ALOGE("%s: Failed to init audio route controls, aborting.",
+                       __func__);
+                free(my_data);
+                return NULL;
+            }
+            adev->snd_card = snd_card_num;
+            ALOGD("%s: Opened sound card:%d", __func__, snd_card_num);
+            break;
+        }
+        retry_num = 0;
+        snd_card_num++;
+    }
+
+    if (snd_card_num >= MAX_SND_CARD) {
+        ALOGE("%s: Unable to find correct sound card, aborting.", __func__);
+        free(my_data);
+        return NULL;
+    }
+
+    my_data->adev = adev;
+    my_data->btsco_sample_rate = SAMPLE_RATE_8KHZ;
+    my_data->fluence_in_spkr_mode = false;
+    my_data->fluence_in_voice_call = false;
+    my_data->fluence_in_voice_rec = false;
+    my_data->fluence_in_audio_rec = false;
+    my_data->fluence_type = FLUENCE_NONE;
+
+    property_get("ro.qc.sdk.audio.fluencetype", my_data->fluence_cap, "");
+    if (!strncmp("fluencepro", my_data->fluence_cap, sizeof("fluencepro"))) {
+        my_data->fluence_type = FLUENCE_QUAD_MIC | FLUENCE_DUAL_MIC;
+    } else if (!strncmp("fluence", my_data->fluence_cap, sizeof("fluence"))) {
+        my_data->fluence_type = FLUENCE_DUAL_MIC;
+    } else {
+        my_data->fluence_type = FLUENCE_NONE;
+    }
+
+    if (my_data->fluence_type != FLUENCE_NONE) {
+        property_get("persist.audio.fluence.voicecall",value,"");
+        if (!strncmp("true", value, sizeof("true"))) {
+            my_data->fluence_in_voice_call = true;
+        }
+
+        property_get("persist.audio.fluence.voicerec",value,"");
+        if (!strncmp("true", value, sizeof("true"))) {
+            my_data->fluence_in_voice_rec = true;
+        }
+
+        property_get("persist.audio.fluence.audiorec",value,"");
+        if (!strncmp("true", value, sizeof("true"))) {
+            my_data->fluence_in_audio_rec = true;
+        }
+
+        property_get("persist.audio.fluence.speaker",value,"");
+        if (!strncmp("true", value, sizeof("true"))) {
+            my_data->fluence_in_spkr_mode = true;
+        }
+    }
+
+    my_data->voice_feature_set = VOICE_FEATURE_SET_DEFAULT;
+    my_data->acdb_handle = dlopen(LIB_ACDB_LOADER, RTLD_NOW);
+    if (my_data->acdb_handle == NULL) {
+        ALOGE("%s: DLOPEN failed for %s", __func__, LIB_ACDB_LOADER);
+    } else {
+        ALOGV("%s: DLOPEN successful for %s", __func__, LIB_ACDB_LOADER);
+        my_data->acdb_deallocate = (acdb_deallocate_t)dlsym(my_data->acdb_handle,
+                                                    "acdb_loader_deallocate_ACDB");
+        if (!my_data->acdb_deallocate)
+            ALOGE("%s: Could not find the symbol acdb_loader_deallocate_ACDB from %s",
+                  __func__, LIB_ACDB_LOADER);
+
+        my_data->acdb_send_audio_cal = (acdb_send_audio_cal_t)dlsym(my_data->acdb_handle,
+                                                    "acdb_loader_send_audio_cal");
+        if (!my_data->acdb_send_audio_cal)
+            ALOGE("%s: Could not find the symbol acdb_send_audio_cal from %s",
+                  __func__, LIB_ACDB_LOADER);
+
+        my_data->acdb_send_voice_cal = (acdb_send_voice_cal_t)dlsym(my_data->acdb_handle,
+                                                    "acdb_loader_send_voice_cal");
+        if (!my_data->acdb_send_voice_cal)
+            ALOGE("%s: Could not find the symbol acdb_loader_send_voice_cal from %s",
+                  __func__, LIB_ACDB_LOADER);
+
+        my_data->acdb_reload_vocvoltable = (acdb_reload_vocvoltable_t)dlsym(my_data->acdb_handle,
+                                                    "acdb_loader_reload_vocvoltable");
+        if (!my_data->acdb_reload_vocvoltable)
+            ALOGE("%s: Could not find the symbol acdb_loader_reload_vocvoltable from %s",
+                  __func__, LIB_ACDB_LOADER);
+
+        my_data->acdb_init = (acdb_init_t)dlsym(my_data->acdb_handle,
+                                                    "acdb_loader_init_v2");
+        if (my_data->acdb_init == NULL)
+            ALOGE("%s: dlsym error %s for acdb_loader_init_v2", __func__, dlerror());
+        else
+            my_data->acdb_init(snd_card_name);
+    }
+
+    /* Initialize ACDB ID's */
+    platform_info_init(PLATFORM_INFO_XML_PATH);
+
+    /* init usb */
+    audio_extn_usb_init(adev);
+    /* update sound cards appropriately */
+    audio_extn_usb_set_proxy_sound_card(adev->snd_card);
+
+    /* Read one time ssr property */
+    audio_extn_ssr_update_enabled();
+    audio_extn_spkr_prot_init(adev);
+    return my_data;
+}
+
+void platform_deinit(void *platform)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+
+    hw_info_deinit(my_data->hw_info);
+    close_csd_client(my_data->csd);
+
+    free(platform);
+    /* deinit usb */
+    audio_extn_usb_deinit();
+}
+
+const char *platform_get_snd_device_name(snd_device_t snd_device)
+{
+    if (snd_device >= SND_DEVICE_MIN && snd_device < SND_DEVICE_MAX)
+        return device_table[snd_device];
+    else
+        return "";
+}
+
+int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device,
+                                      char *device_name)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+
+    if (snd_device >= SND_DEVICE_MIN && snd_device < SND_DEVICE_MAX) {
+        strlcpy(device_name, device_table[snd_device], DEVICE_NAME_MAX_SIZE);
+        hw_info_append_hw_type(my_data->hw_info, snd_device, device_name);
+    } else {
+        strlcpy(device_name, "", DEVICE_NAME_MAX_SIZE);
+        return -EINVAL;
+    }
+
+    return 0;
+}
+
+void platform_add_backend_name(char *mixer_path, snd_device_t snd_device)
+{
+    if (snd_device == SND_DEVICE_IN_BT_SCO_MIC)
+        strlcat(mixer_path, " bt-sco", MIXER_PATH_MAX_LENGTH);
+    else if (snd_device == SND_DEVICE_IN_BT_SCO_MIC_WB)
+        strlcat(mixer_path, " bt-sco-wb", MIXER_PATH_MAX_LENGTH);
+    else if(snd_device == SND_DEVICE_OUT_BT_SCO)
+        strlcat(mixer_path, " bt-sco", MIXER_PATH_MAX_LENGTH);
+    else if(snd_device == SND_DEVICE_OUT_BT_SCO_WB)
+        strlcat(mixer_path, " bt-sco-wb", MIXER_PATH_MAX_LENGTH);
+    else if (snd_device == SND_DEVICE_OUT_HDMI)
+        strlcat(mixer_path, " hdmi", MIXER_PATH_MAX_LENGTH);
+    else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_HDMI)
+        strlcat(mixer_path, " speaker-and-hdmi", MIXER_PATH_MAX_LENGTH);
+    else if (snd_device == SND_DEVICE_OUT_AFE_PROXY)
+        strlcat(mixer_path, " afe-proxy", MIXER_PATH_MAX_LENGTH);
+    else if (snd_device == SND_DEVICE_OUT_USB_HEADSET)
+        strlcat(mixer_path, " usb-headphones", MIXER_PATH_MAX_LENGTH);
+    else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET)
+        strlcat(mixer_path, " speaker-and-usb-headphones",
+                MIXER_PATH_MAX_LENGTH);
+    else if (snd_device == SND_DEVICE_IN_USB_HEADSET_MIC)
+        strlcat(mixer_path, " usb-headset-mic", MIXER_PATH_MAX_LENGTH);
+    else if (snd_device == SND_DEVICE_IN_CAPTURE_FM)
+        strlcat(mixer_path, " capture-fm", MIXER_PATH_MAX_LENGTH);
+    else if (snd_device == SND_DEVICE_OUT_TRANSMISSION_FM)
+        strlcat(mixer_path, " transmission-fm", MIXER_PATH_MAX_LENGTH);
+}
+
+int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type)
+{
+    int device_id;
+    if (device_type == PCM_PLAYBACK)
+        device_id = pcm_device_table[usecase][0];
+    else
+        device_id = pcm_device_table[usecase][1];
+    return device_id;
+}
+
+int platform_get_snd_device_index(char *snd_device_index_name)
+{
+    int ret = 0;
+    int i;
+
+    if (snd_device_index_name == NULL) {
+        ALOGE("%s: snd_device_index_name is NULL", __func__);
+        ret = -ENODEV;
+        goto done;
+    }
+
+    for (i=0; i < SND_DEVICE_MAX; i++) {
+        if(strcmp(snd_device_name_index[i].name, snd_device_index_name) == 0) {
+            ret = snd_device_name_index[i].index;
+            goto done;
+        }
+    }
+    ALOGE("%s: Could not find index for snd_device_index_name = %s",
+            __func__, snd_device_index_name);
+    ret = -ENODEV;
+done:
+    return ret;
+}
+
+int platform_set_fluence_type(void *platform, char *value)
+{
+    int ret = 0;
+    int fluence_type = FLUENCE_NONE;
+    int fluence_flag = NONE_FLAG;
+    struct platform_data *my_data = (struct platform_data *)platform;
+    struct audio_device *adev = my_data->adev;
+
+    ALOGV("%s: fluence type:%d", __func__, my_data->fluence_type);
+
+    /* only dual mic turn on and off is supported as of now through setparameters */
+    if (!strncmp(AUDIO_PARAMETER_VALUE_DUALMIC,value, sizeof(AUDIO_PARAMETER_VALUE_DUALMIC))) {
+        if (!strncmp("fluencepro", my_data->fluence_cap, sizeof("fluencepro")) ||
+            !strncmp("fluence", my_data->fluence_cap, sizeof("fluence"))) {
+            ALOGV("fluence dualmic feature enabled \n");
+            fluence_type = FLUENCE_DUAL_MIC;
+            fluence_flag = DMIC_FLAG;
+        } else {
+            ALOGE("%s: Failed to set DUALMIC", __func__);
+            ret = -1;
+            goto done;
+        }
+    } else if (!strncmp(AUDIO_PARAMETER_KEY_NO_FLUENCE, value, sizeof(AUDIO_PARAMETER_KEY_NO_FLUENCE))) {
+        ALOGV("fluence disabled");
+        fluence_type = FLUENCE_NONE;
+    } else {
+        ALOGE("Invalid fluence value : %s",value);
+        ret = -1;
+        goto done;
+    }
+
+    if (fluence_type != my_data->fluence_type) {
+        ALOGV("%s: Updating fluence_type to :%d", __func__, fluence_type);
+        my_data->fluence_type = fluence_type;
+        adev->acdb_settings = (adev->acdb_settings & FLUENCE_MODE_CLEAR) | fluence_flag;
+    }
+done:
+    return ret;
+}
+
+int platform_get_fluence_type(void *platform, char *value, uint32_t len)
+{
+    int ret = 0;
+    struct platform_data *my_data = (struct platform_data *)platform;
+
+    if (my_data->fluence_type == FLUENCE_QUAD_MIC) {
+        strlcpy(value, "quadmic", len);
+    } else if (my_data->fluence_type == FLUENCE_DUAL_MIC) {
+        strlcpy(value, "dualmic", len);
+    } else if (my_data->fluence_type == FLUENCE_NONE) {
+        strlcpy(value, "none", len);
+    } else
+        ret = -1;
+
+    return ret;
+}
+
+int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id)
+{
+    int ret = 0;
+
+    if ((snd_device < SND_DEVICE_MIN) || (snd_device >= SND_DEVICE_MAX)) {
+        ALOGE("%s: Invalid snd_device = %d",
+            __func__, snd_device);
+        ret = -EINVAL;
+        goto done;
+    }
+
+    acdb_device_table[snd_device] = acdb_id;
+done:
+    return ret;
+}
+
+int platform_send_audio_calibration(void *platform, snd_device_t snd_device)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    int acdb_dev_id, acdb_dev_type;
+
+    acdb_dev_id = acdb_device_table[snd_device];
+    if (acdb_dev_id < 0) {
+        ALOGE("%s: Could not find acdb id for device(%d)",
+              __func__, snd_device);
+        return -EINVAL;
+    }
+    if (my_data->acdb_send_audio_cal) {
+        ("%s: sending audio calibration for snd_device(%d) acdb_id(%d)",
+              __func__, snd_device, acdb_dev_id);
+        if (snd_device >= SND_DEVICE_OUT_BEGIN &&
+                snd_device < SND_DEVICE_OUT_END)
+            acdb_dev_type = ACDB_DEV_TYPE_OUT;
+        else
+            acdb_dev_type = ACDB_DEV_TYPE_IN;
+        my_data->acdb_send_audio_cal(acdb_dev_id, acdb_dev_type);
+    }
+    return 0;
+}
+
+int platform_switch_voice_call_device_pre(void *platform)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    int ret = 0;
+
+    if (my_data->csd != NULL &&
+        my_data->adev->mode == AUDIO_MODE_IN_CALL) {
+        /* This must be called before disabling mixer controls on APQ side */
+        ret = my_data->csd->disable_device();
+        if (ret < 0) {
+            ALOGE("%s: csd_client_disable_device, failed, error %d",
+                  __func__, ret);
+        }
+    }
+    return ret;
+}
+int platform_switch_voice_call_enable_device_config(void *platform,
+                                                    snd_device_t out_snd_device,
+                                                    snd_device_t in_snd_device)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    int acdb_rx_id, acdb_tx_id;
+    int ret = 0;
+
+    acdb_rx_id = acdb_device_table[out_snd_device];
+    acdb_tx_id = acdb_device_table[in_snd_device];
+
+    if (my_data->csd != NULL) {
+        if (acdb_rx_id > 0 && acdb_tx_id > 0) {
+            ret = my_data->csd->enable_device_config(acdb_rx_id, acdb_tx_id);
+            if (ret < 0) {
+                ALOGE("%s: csd_enable_device_config, failed, error %d",
+                      __func__, ret);
+            }
+        } else {
+            ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
+                  acdb_rx_id, acdb_tx_id);
+        }
+    }
+    return ret;
+}
+
+
+int platform_switch_voice_call_device_post(void *platform,
+                                           snd_device_t out_snd_device,
+                                           snd_device_t in_snd_device)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    int acdb_rx_id, acdb_tx_id;
+
+    if (my_data->acdb_send_voice_cal == NULL) {
+        ALOGE("%s: dlsym error for acdb_send_voice_call", __func__);
+    } else {
+        acdb_rx_id = acdb_device_table[out_snd_device];
+        acdb_tx_id = acdb_device_table[in_snd_device];
+
+        if (acdb_rx_id > 0 && acdb_tx_id > 0)
+            my_data->acdb_send_voice_cal(acdb_rx_id, acdb_tx_id);
+        else
+            ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
+                  acdb_rx_id, acdb_tx_id);
+    }
+
+    return 0;
+}
+
+int platform_switch_voice_call_usecase_route_post(void *platform,
+                                                  snd_device_t out_snd_device,
+                                                  snd_device_t in_snd_device)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    int acdb_rx_id, acdb_tx_id;
+    int ret = 0;
+
+    acdb_rx_id = acdb_device_table[out_snd_device];
+    acdb_tx_id = acdb_device_table[in_snd_device];
+
+    if (my_data->csd != NULL) {
+        if (acdb_rx_id > 0 && acdb_tx_id > 0) {
+            ret = my_data->csd->enable_device(acdb_rx_id, acdb_tx_id,
+                                              my_data->adev->acdb_settings);
+            if (ret < 0) {
+                ALOGE("%s: csd_enable_device, failed, error %d",
+                      __func__, ret);
+            }
+        } else {
+            ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
+                  acdb_rx_id, acdb_tx_id);
+        }
+    }
+    return ret;
+}
+
+int platform_start_voice_call(void *platform, uint32_t vsid)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    int ret = 0;
+
+    if (my_data->csd != NULL) {
+        ret = my_data->csd->start_voice(vsid);
+        if (ret < 0) {
+            ALOGE("%s: csd_start_voice error %d\n", __func__, ret);
+        }
+    }
+    return ret;
+}
+
+int platform_stop_voice_call(void *platform, uint32_t vsid)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    int ret = 0;
+
+    if (my_data->csd != NULL) {
+        ret = my_data->csd->stop_voice(vsid);
+        if (ret < 0) {
+            ALOGE("%s: csd_stop_voice error %d\n", __func__, ret);
+        }
+    }
+    return ret;
+}
+int platform_get_sample_rate(void *platform, uint32_t *rate)
+{
+    return 0;
+}
+
+int platform_set_voice_volume(void *platform, int volume)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    struct audio_device *adev = my_data->adev;
+    struct mixer_ctl *ctl;
+    const char *mixer_ctl_name = "Voice Rx Gain";
+    int vol_index = 0, ret = 0;
+    uint32_t set_values[ ] = {0,
+                              ALL_SESSION_VSID,
+                              DEFAULT_VOLUME_RAMP_DURATION_MS};
+
+    // Voice volume levels are mapped to adsp volume levels as follows.
+    // 100 -> 5, 80 -> 4, 60 -> 3, 40 -> 2, 20 -> 1  0 -> 0
+    // But this values don't changed in kernel. So, below change is need.
+    vol_index = (int)percent_to_index(volume, MIN_VOL_INDEX, MAX_VOL_INDEX);
+    set_values[0] = vol_index;
+
+    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
+    if (!ctl) {
+        ALOGE("%s: Could not get ctl for mixer cmd - %s",
+              __func__, mixer_ctl_name);
+        return -EINVAL;
+    }
+    ALOGV("Setting voice volume index: %d", set_values[0]);
+    mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
+
+    if (my_data->csd != NULL) {
+        ret = my_data->csd->volume(ALL_SESSION_VSID, volume);
+        if (ret < 0) {
+            ALOGE("%s: csd_volume error %d", __func__, ret);
+        }
+    }
+    return ret;
+}
+
+int platform_set_mic_mute(void *platform, bool state)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    struct audio_device *adev = my_data->adev;
+    struct mixer_ctl *ctl;
+    const char *mixer_ctl_name = "Voice Tx Mute";
+    int ret = 0;
+    uint32_t set_values[ ] = {0,
+                              ALL_SESSION_VSID,
+                              DEFAULT_VOLUME_RAMP_DURATION_MS};
+
+    set_values[0] = state;
+    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
+    if (!ctl) {
+        ALOGE("%s: Could not get ctl for mixer cmd - %s",
+              __func__, mixer_ctl_name);
+        return -EINVAL;
+    }
+    ALOGV("Setting voice mute state: %d", state);
+    mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
+
+    if (my_data->csd != NULL) {
+        ret = my_data->csd->mic_mute(ALL_SESSION_VSID, state);
+        if (ret < 0) {
+            ALOGE("%s: csd_mic_mute error %d", __func__, ret);
+        }
+    }
+    return ret;
+}
+
+int platform_set_device_mute(void *platform, bool state, char *dir)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    struct audio_device *adev = my_data->adev;
+    struct mixer_ctl *ctl;
+    char *mixer_ctl_name = NULL;
+    int ret = 0;
+    uint32_t set_values[ ] = {0,
+                              ALL_SESSION_VSID,
+                              0};
+    if(dir == NULL) {
+        ALOGE("%s: Invalid direction:%s", __func__, dir);
+        return -EINVAL;
+    }
+
+    if (!strncmp("rx", dir, sizeof("rx"))) {
+        mixer_ctl_name = "Voice Rx Device Mute";
+    } else if (!strncmp("tx", dir, sizeof("tx"))) {
+        mixer_ctl_name = "Voice Tx Device Mute";
+    } else {
+        return -EINVAL;
+    }
+
+    set_values[0] = state;
+    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
+    if (!ctl) {
+        ALOGE("%s: Could not get ctl for mixer cmd - %s",
+              __func__, mixer_ctl_name);
+        return -EINVAL;
+    }
+
+    ALOGV("%s: Setting device mute state: %d, mixer ctrl:%s",
+          __func__,state, mixer_ctl_name);
+    mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
+
+    return ret;
+}
+
+snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    struct audio_device *adev = my_data->adev;
+    audio_mode_t mode = adev->mode;
+    snd_device_t snd_device = SND_DEVICE_NONE;
+
+    audio_channel_mask_t channel_mask = (adev->active_input == NULL) ?
+                                AUDIO_CHANNEL_IN_MONO : adev->active_input->channel_mask;
+    int channel_count = popcount(channel_mask);
+
+    ALOGV("%s: enter: output devices(%#x)", __func__, devices);
+    if (devices == AUDIO_DEVICE_NONE ||
+        devices & AUDIO_DEVICE_BIT_IN) {
+        ALOGV("%s: Invalid output devices (%#x)", __func__, devices);
+        goto exit;
+    }
+
+    if (popcount(devices) == 2) {
+        if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADPHONE |
+                        AUDIO_DEVICE_OUT_SPEAKER)) {
+            snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
+        } else if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADSET |
+                               AUDIO_DEVICE_OUT_SPEAKER)) {
+            if (audio_extn_get_anc_enabled())
+                snd_device = SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET;
+            else
+                snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
+        } else if (devices == (AUDIO_DEVICE_OUT_AUX_DIGITAL |
+                               AUDIO_DEVICE_OUT_SPEAKER)) {
+            snd_device = SND_DEVICE_OUT_SPEAKER_AND_HDMI;
+        } else if (devices == (AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET |
+                               AUDIO_DEVICE_OUT_SPEAKER)) {
+            snd_device = SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET;
+        } else {
+            ALOGE("%s: Invalid combo device(%#x)", __func__, devices);
+            goto exit;
+        }
+        if (snd_device != SND_DEVICE_NONE) {
+            goto exit;
+        }
+    }
+
+    if (popcount(devices) != 1) {
+        ALOGE("%s: Invalid output devices(%#x)", __func__, devices);
+        goto exit;
+    }
+
+    if ((mode == AUDIO_MODE_IN_CALL) ||
+        voice_extn_compress_voip_is_active(adev)) {
+        if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
+            devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
+            if ((adev->voice.tty_mode != TTY_MODE_OFF) &&
+                !voice_extn_compress_voip_is_active(adev)) {
+                switch (adev->voice.tty_mode) {
+                case TTY_MODE_FULL:
+                    snd_device = SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES;
+                    break;
+                case TTY_MODE_VCO:
+                    snd_device = SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES;
+                    break;
+                case TTY_MODE_HCO:
+                    snd_device = SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET;
+                    break;
+                default:
+                    ALOGE("%s: Invalid TTY mode (%#x)",
+                          __func__, adev->voice.tty_mode);
+                }
+            } else if (audio_extn_get_anc_enabled()) {
+                if (audio_extn_should_use_fb_anc())
+                    snd_device = SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET;
+                else
+                    snd_device = SND_DEVICE_OUT_VOICE_ANC_HEADSET;
+            } else {
+                snd_device = SND_DEVICE_OUT_VOICE_HEADPHONES;
+            }
+        } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
+            if (my_data->btsco_sample_rate == SAMPLE_RATE_16KHZ)
+                snd_device = SND_DEVICE_OUT_BT_SCO_WB;
+            else
+                snd_device = SND_DEVICE_OUT_BT_SCO;
+        } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
+            snd_device = SND_DEVICE_OUT_VOICE_SPEAKER;
+        } else if (devices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET ||
+                   devices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET) {
+            snd_device = SND_DEVICE_OUT_USB_HEADSET;
+        } else if (devices & AUDIO_DEVICE_OUT_FM_TX) {
+            snd_device = SND_DEVICE_OUT_TRANSMISSION_FM;
+        } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
+            if (audio_extn_should_use_handset_anc(channel_count))
+                snd_device = SND_DEVICE_OUT_ANC_HANDSET;
+            else
+                snd_device = SND_DEVICE_OUT_VOICE_HANDSET;
+        }
+        if (snd_device != SND_DEVICE_NONE) {
+            goto exit;
+        }
+    }
+
+    if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
+        devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
+        if (devices & AUDIO_DEVICE_OUT_WIRED_HEADSET
+            && audio_extn_get_anc_enabled()) {
+            if (audio_extn_should_use_fb_anc())
+                snd_device = SND_DEVICE_OUT_ANC_FB_HEADSET;
+            else
+                snd_device = SND_DEVICE_OUT_ANC_HEADSET;
+        }
+        else
+            snd_device = SND_DEVICE_OUT_HEADPHONES;
+    } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
+        if (adev->speaker_lr_swap)
+            snd_device = SND_DEVICE_OUT_SPEAKER_REVERSE;
+        else
+            snd_device = SND_DEVICE_OUT_SPEAKER;
+    } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
+        if (my_data->btsco_sample_rate == SAMPLE_RATE_16KHZ)
+            snd_device = SND_DEVICE_OUT_BT_SCO_WB;
+        else
+            snd_device = SND_DEVICE_OUT_BT_SCO;
+    } else if (devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
+        snd_device = SND_DEVICE_OUT_HDMI ;
+    } else if (devices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET ||
+               devices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET) {
+        ALOGD("%s: setting USB hadset channel capability(2) for Proxy", __func__);
+        audio_extn_set_afe_proxy_channel_mixer(adev, 2);
+        snd_device = SND_DEVICE_OUT_USB_HEADSET;
+    } else if (devices & AUDIO_DEVICE_OUT_FM_TX) {
+        snd_device = SND_DEVICE_OUT_TRANSMISSION_FM;
+    } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
+        snd_device = SND_DEVICE_OUT_HANDSET;
+    } else if (devices & AUDIO_DEVICE_OUT_PROXY) {
+        channel_count = audio_extn_get_afe_proxy_channel_count();
+        ALOGD("%s: setting sink capability(%d) for Proxy", __func__, channel_count);
+        audio_extn_set_afe_proxy_channel_mixer(adev, channel_count);
+        snd_device = SND_DEVICE_OUT_AFE_PROXY;
+    } else {
+        ALOGE("%s: Unknown device(s) %#x", __func__, devices);
+    }
+exit:
+    ALOGV("%s: exit: snd_device(%s)", __func__, device_table[snd_device]);
+    return snd_device;
+}
+
+snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    struct audio_device *adev = my_data->adev;
+    audio_source_t  source = (adev->active_input == NULL) ?
+                                AUDIO_SOURCE_DEFAULT : adev->active_input->source;
+
+    audio_mode_t    mode   = adev->mode;
+    audio_devices_t in_device = ((adev->active_input == NULL) ?
+                                    AUDIO_DEVICE_NONE : adev->active_input->device)
+                                & ~AUDIO_DEVICE_BIT_IN;
+    audio_channel_mask_t channel_mask = (adev->active_input == NULL) ?
+                                AUDIO_CHANNEL_IN_MONO : adev->active_input->channel_mask;
+    snd_device_t snd_device = SND_DEVICE_NONE;
+    int channel_count = popcount(channel_mask);
+
+    ALOGV("%s: enter: out_device(%#x) in_device(%#x)",
+          __func__, out_device, in_device);
+    if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) ||
+        voice_extn_compress_voip_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 ||
+                out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
+                switch (adev->voice.tty_mode) {
+                case TTY_MODE_FULL:
+                    snd_device = SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC;
+                    break;
+                case TTY_MODE_VCO:
+                    snd_device = SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC;
+                    break;
+                case TTY_MODE_HCO:
+                    snd_device = SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC;
+                    break;
+                default:
+                    ALOGE("%s: Invalid TTY mode (%#x)",
+                          __func__, adev->voice.tty_mode);
+                }
+                goto exit;
+            }
+        }
+        if (out_device & AUDIO_DEVICE_OUT_EARPIECE ||
+            out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) {
+            if (out_device & AUDIO_DEVICE_OUT_EARPIECE &&
+                audio_extn_should_use_handset_anc(channel_count)) {
+                snd_device = SND_DEVICE_IN_AANC_HANDSET_MIC;
+            } else if (my_data->fluence_type == FLUENCE_NONE ||
+                my_data->fluence_in_voice_call == false) {
+                snd_device = SND_DEVICE_IN_HANDSET_MIC;
+                set_echo_reference(adev->mixer, EC_REF_RX);
+            } else {
+                snd_device = SND_DEVICE_IN_VOICE_DMIC;
+                adev->acdb_settings |= DMIC_FLAG;
+            }
+        } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
+            snd_device = SND_DEVICE_IN_VOICE_HEADSET_MIC;
+        } else if (out_device & AUDIO_DEVICE_OUT_ALL_SCO) {
+            if (my_data->btsco_sample_rate == SAMPLE_RATE_16KHZ)
+                snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
+            else
+                snd_device = SND_DEVICE_IN_BT_SCO_MIC;
+        } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
+            if (my_data->fluence_type != FLUENCE_NONE &&
+                my_data->fluence_in_voice_call &&
+                my_data->fluence_in_spkr_mode) {
+                if(my_data->fluence_type & FLUENCE_QUAD_MIC) {
+                    adev->acdb_settings |= QMIC_FLAG;
+                    snd_device = SND_DEVICE_IN_VOICE_SPEAKER_QMIC;
+                } else {
+                    adev->acdb_settings |= DMIC_FLAG;
+                    snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC;
+                }
+            } else {
+                snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC;
+            }
+        }
+    } else if (source == AUDIO_SOURCE_CAMCORDER) {
+        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC ||
+            in_device & AUDIO_DEVICE_IN_BACK_MIC) {
+            snd_device = SND_DEVICE_IN_CAMCORDER_MIC;
+        }
+    } else if (source == AUDIO_SOURCE_VOICE_RECOGNITION) {
+        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
+            if (channel_count == 2) {
+                snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_STEREO;
+                adev->acdb_settings |= DMIC_FLAG;
+            } else if (adev->active_input->enable_ns)
+                snd_device = SND_DEVICE_IN_VOICE_REC_MIC_NS;
+            else if (my_data->fluence_type != FLUENCE_NONE &&
+                     my_data->fluence_in_voice_rec) {
+                snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE;
+                adev->acdb_settings |= DMIC_FLAG;
+            } else {
+                snd_device = SND_DEVICE_IN_VOICE_REC_MIC;
+            }
+        }
+    } else if (source == AUDIO_SOURCE_VOICE_COMMUNICATION) {
+        if (out_device & AUDIO_DEVICE_OUT_SPEAKER)
+            in_device = AUDIO_DEVICE_IN_BACK_MIC;
+        if (adev->active_input) {
+            if (adev->active_input->enable_aec &&
+                    adev->active_input->enable_ns) {
+                if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
+                    if (my_data->fluence_type & FLUENCE_DUAL_MIC &&
+                       my_data->fluence_in_spkr_mode) {
+                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS;
+                        adev->acdb_settings |= DMIC_FLAG;
+                    } else
+                        snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC_NS;
+                } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
+                    if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
+                        snd_device = SND_DEVICE_IN_HANDSET_DMIC_AEC_NS;
+                        adev->acdb_settings |= DMIC_FLAG;
+                    } else
+                        snd_device = SND_DEVICE_IN_HANDSET_MIC_AEC_NS;
+                } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
+                    snd_device = SND_DEVICE_IN_HEADSET_MIC_FLUENCE;
+                }
+                set_echo_reference(adev->mixer, EC_REF_RX);
+            } else if (adev->active_input->enable_aec) {
+                if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
+                    if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
+                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC;
+                        adev->acdb_settings |= DMIC_FLAG;
+                    } else
+                        snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC;
+                } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
+                    if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
+                        snd_device = SND_DEVICE_IN_HANDSET_DMIC_AEC;
+                        adev->acdb_settings |= DMIC_FLAG;
+                    } else
+                        snd_device = SND_DEVICE_IN_HANDSET_MIC_AEC;
+                } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
+                    snd_device = SND_DEVICE_IN_HEADSET_MIC_FLUENCE;
+                }
+                set_echo_reference(adev->mixer, EC_REF_RX);
+            } else if (adev->active_input->enable_ns) {
+                if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
+                    if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
+                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS;
+                        adev->acdb_settings |= DMIC_FLAG;
+                    } else
+                        snd_device = SND_DEVICE_IN_SPEAKER_MIC_NS;
+                } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
+                    if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
+                        snd_device = SND_DEVICE_IN_HANDSET_DMIC_NS;
+                        adev->acdb_settings |= DMIC_FLAG;
+                    } else
+                        snd_device = SND_DEVICE_IN_HANDSET_MIC_NS;
+                } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
+                    snd_device = SND_DEVICE_IN_HEADSET_MIC_FLUENCE;
+                }
+                set_echo_reference(adev->mixer, "NONE");
+            } else
+                set_echo_reference(adev->mixer, "NONE");
+        }
+    } else if (source == AUDIO_SOURCE_MIC) {
+        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC &&
+                channel_count == 1 ) {
+            if(my_data->fluence_type & FLUENCE_DUAL_MIC &&
+                    my_data->fluence_in_audio_rec)
+                snd_device = SND_DEVICE_IN_HANDSET_DMIC;
+        }
+    } else if (source == AUDIO_SOURCE_FM_RX ||
+               source == AUDIO_SOURCE_FM_RX_A2DP) {
+        snd_device = SND_DEVICE_IN_CAPTURE_FM;
+    } else if (source == AUDIO_SOURCE_DEFAULT) {
+        goto exit;
+    }
+
+
+    if (snd_device != SND_DEVICE_NONE) {
+        goto exit;
+    }
+
+    if (in_device != AUDIO_DEVICE_NONE &&
+            !(in_device & AUDIO_DEVICE_IN_VOICE_CALL) &&
+            !(in_device & AUDIO_DEVICE_IN_COMMUNICATION)) {
+        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
+            if (audio_extn_ssr_get_enabled() && channel_count == 6)
+                snd_device = SND_DEVICE_IN_QUAD_MIC;
+            else if (channel_count == 2)
+                snd_device = SND_DEVICE_IN_HANDSET_STEREO_DMIC;
+            else
+                snd_device = SND_DEVICE_IN_HANDSET_MIC;
+        } else if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
+            snd_device = SND_DEVICE_IN_SPEAKER_MIC;
+        } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
+            snd_device = SND_DEVICE_IN_HEADSET_MIC;
+        } else if (in_device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
+            if (my_data->btsco_sample_rate == SAMPLE_RATE_16KHZ)
+                snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
+            else
+                snd_device = SND_DEVICE_IN_BT_SCO_MIC;
+        } else if (in_device & AUDIO_DEVICE_IN_AUX_DIGITAL) {
+            snd_device = SND_DEVICE_IN_HDMI_MIC;
+        } else if (in_device & AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET ||
+                   in_device & AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET) {
+            snd_device = SND_DEVICE_IN_USB_HEADSET_MIC;
+        } else if (in_device & AUDIO_DEVICE_IN_FM_RX) {
+            snd_device = SND_DEVICE_IN_CAPTURE_FM;
+        } else {
+            ALOGE("%s: Unknown input device(s) %#x", __func__, in_device);
+            ALOGW("%s: Using default handset-mic", __func__);
+            snd_device = SND_DEVICE_IN_HANDSET_MIC;
+        }
+    } else {
+        if (out_device & AUDIO_DEVICE_OUT_EARPIECE) {
+            snd_device = SND_DEVICE_IN_HANDSET_MIC;
+        } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
+            snd_device = SND_DEVICE_IN_HEADSET_MIC;
+        } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
+            if (channel_count > 1)
+                snd_device = SND_DEVICE_IN_SPEAKER_STEREO_DMIC;
+            else
+                snd_device = SND_DEVICE_IN_SPEAKER_MIC;
+        } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) {
+            snd_device = SND_DEVICE_IN_HANDSET_MIC;
+        } else if (out_device & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET) {
+            if (my_data->btsco_sample_rate == SAMPLE_RATE_16KHZ)
+                snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
+            else
+                snd_device = SND_DEVICE_IN_BT_SCO_MIC;
+        } else if (out_device & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
+            snd_device = SND_DEVICE_IN_HDMI_MIC;
+        } else if (out_device & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET ||
+                   out_device & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET) {
+            snd_device = SND_DEVICE_IN_USB_HEADSET_MIC;
+        } else {
+            ALOGE("%s: Unknown output device(s) %#x", __func__, out_device);
+            ALOGW("%s: Using default handset-mic", __func__);
+            snd_device = SND_DEVICE_IN_HANDSET_MIC;
+        }
+    }
+exit:
+    ALOGV("%s: exit: in_snd_device(%s)", __func__, device_table[snd_device]);
+    return snd_device;
+}
+
+int platform_set_hdmi_channels(void *platform,  int channel_count)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    struct audio_device *adev = my_data->adev;
+    struct mixer_ctl *ctl;
+    const char *channel_cnt_str = NULL;
+    const char *mixer_ctl_name = "HDMI_RX Channels";
+    switch (channel_count) {
+    case 8:
+        channel_cnt_str = "Eight"; break;
+    case 7:
+        channel_cnt_str = "Seven"; break;
+    case 6:
+        channel_cnt_str = "Six"; break;
+    case 5:
+        channel_cnt_str = "Five"; break;
+    case 4:
+        channel_cnt_str = "Four"; break;
+    case 3:
+        channel_cnt_str = "Three"; break;
+    default:
+        channel_cnt_str = "Two"; break;
+    }
+    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
+    if (!ctl) {
+        ALOGE("%s: Could not get ctl for mixer cmd - %s",
+              __func__, mixer_ctl_name);
+        return -EINVAL;
+    }
+    ALOGV("HDMI channel count: %s", channel_cnt_str);
+    mixer_ctl_set_enum_by_string(ctl, channel_cnt_str);
+    return 0;
+}
+
+int platform_edid_get_max_channels(void *platform)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    struct audio_device *adev = my_data->adev;
+    char block[MAX_SAD_BLOCKS * SAD_BLOCK_SIZE];
+    char *sad = block;
+    int num_audio_blocks;
+    int channel_count;
+    int max_channels = 0;
+    int i, ret, count;
+
+    struct mixer_ctl *ctl;
+
+    ctl = mixer_get_ctl_by_name(adev->mixer, AUDIO_DATA_BLOCK_MIXER_CTL);
+    if (!ctl) {
+        ALOGE("%s: Could not get ctl for mixer cmd - %s",
+              __func__, AUDIO_DATA_BLOCK_MIXER_CTL);
+        return 0;
+    }
+
+    mixer_ctl_update(ctl);
+
+    count = mixer_ctl_get_num_values(ctl);
+
+    /* Read SAD blocks, clamping the maximum size for safety */
+    if (count > (int)sizeof(block))
+        count = (int)sizeof(block);
+
+    ret = mixer_ctl_get_array(ctl, block, count);
+    if (ret != 0) {
+        ALOGE("%s: mixer_ctl_get_array() failed to get EDID info", __func__);
+        return 0;
+    }
+
+    /* Calculate the number of SAD blocks */
+    num_audio_blocks = count / SAD_BLOCK_SIZE;
+
+    for (i = 0; i < num_audio_blocks; i++) {
+        /* Only consider LPCM blocks */
+        if ((sad[0] >> 3) != EDID_FORMAT_LPCM) {
+            sad += 3;
+            continue;
+        }
+
+        channel_count = (sad[0] & 0x7) + 1;
+        if (channel_count > max_channels)
+            max_channels = channel_count;
+
+        /* Advance to next block */
+        sad += 3;
+    }
+
+    return max_channels;
+}
+
+static int platform_set_slowtalk(struct platform_data *my_data, bool state)
+{
+    int ret = 0;
+    struct audio_device *adev = my_data->adev;
+    struct mixer_ctl *ctl;
+    const char *mixer_ctl_name = "Slowtalk Enable";
+    uint32_t set_values[ ] = {0,
+                              ALL_SESSION_VSID};
+
+    set_values[0] = state;
+    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
+    if (!ctl) {
+        ALOGE("%s: Could not get ctl for mixer cmd - %s",
+              __func__, mixer_ctl_name);
+        ret = -EINVAL;
+    } else {
+        ALOGV("Setting slowtalk state: %d", state);
+        ret = mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
+        my_data->slowtalk = state;
+    }
+
+    if (my_data->csd != NULL) {
+        ret = my_data->csd->slow_talk(ALL_SESSION_VSID, state);
+        if (ret < 0) {
+            ALOGE("%s: csd_client_disable_device, failed, error %d",
+                  __func__, ret);
+        }
+    }
+    return ret;
+}
+
+int platform_set_parameters(void *platform, struct str_parms *parms)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    char *str;
+    char value[256] = {0};
+    int val;
+    int ret = 0, err;
+
+    ALOGV("%s: enter: %s", __func__, str_parms_to_str(parms));
+
+    err = str_parms_get_int(parms, AUDIO_PARAMETER_KEY_BTSCO, &val);
+    if (err >= 0) {
+        str_parms_del(parms, AUDIO_PARAMETER_KEY_BTSCO);
+        my_data->btsco_sample_rate = val;
+        if (val == SAMPLE_RATE_16KHZ) {
+            audio_route_apply_path(my_data->adev->audio_route,
+                                   "bt-sco-wb-samplerate");
+            audio_route_update_mixer(my_data->adev->audio_route);
+        }
+    }
+
+    err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_SLOWTALK, value, sizeof(value));
+    if (err >= 0) {
+        bool state = false;
+        if (!strncmp("true", value, sizeof("true"))) {
+            state = true;
+        }
+
+        str_parms_del(parms, AUDIO_PARAMETER_KEY_SLOWTALK);
+        ret = platform_set_slowtalk(my_data, state);
+        if (ret)
+            ALOGE("%s: Failed to set slow talk err: %d", __func__, ret);
+    }
+
+    err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_VOLUME_BOOST,
+                            value, sizeof(value));
+    if (err >= 0) {
+        str_parms_del(parms, AUDIO_PARAMETER_KEY_VOLUME_BOOST);
+
+        if (my_data->acdb_reload_vocvoltable == NULL) {
+            ALOGE("%s: acdb_reload_vocvoltable is NULL", __func__);
+        } else if (!strcmp(value, "on")) {
+            if (!my_data->acdb_reload_vocvoltable(VOICE_FEATURE_SET_VOLUME_BOOST)) {
+                my_data->voice_feature_set = 1;
+            }
+        } else {
+            if (!my_data->acdb_reload_vocvoltable(VOICE_FEATURE_SET_DEFAULT)) {
+                my_data->voice_feature_set = 0;
+            }
+        }
+    }
+
+    ALOGV("%s: exit with code(%d)", __func__, ret);
+    return ret;
+}
+
+int platform_set_incall_recording_session_id(void *platform,
+                                             uint32_t session_id, int rec_mode)
+{
+    int ret = 0;
+    struct platform_data *my_data = (struct platform_data *)platform;
+    struct audio_device *adev = my_data->adev;
+    struct mixer_ctl *ctl;
+    const char *mixer_ctl_name = "Voc VSID";
+    int num_ctl_values;
+    int i;
+
+    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
+    if (!ctl) {
+        ALOGE("%s: Could not get ctl for mixer cmd - %s",
+              __func__, mixer_ctl_name);
+        ret = -EINVAL;
+    } else {
+        num_ctl_values = mixer_ctl_get_num_values(ctl);
+        for (i = 0; i < num_ctl_values; i++) {
+            if (mixer_ctl_set_value(ctl, i, session_id)) {
+                ALOGV("Error: invalid session_id: %x", session_id);
+                ret = -EINVAL;
+                break;
+            }
+        }
+    }
+
+    if (my_data->csd != NULL) {
+        ret = my_data->csd->start_record(ALL_SESSION_VSID, rec_mode);
+        if (ret < 0) {
+            ALOGE("%s: csd_client_start_record failed, error %d",
+                  __func__, ret);
+        }
+    }
+
+    return ret;
+}
+
+int platform_stop_incall_recording_usecase(void *platform)
+{
+    int ret = 0;
+    struct platform_data *my_data = (struct platform_data *)platform;
+
+    if (my_data->csd != NULL) {
+        ret = my_data->csd->stop_record(ALL_SESSION_VSID);
+        if (ret < 0) {
+            ALOGE("%s: csd_client_stop_record failed, error %d",
+                  __func__, ret);
+        }
+    }
+
+    return ret;
+}
+
+int platform_start_incall_music_usecase(void *platform)
+{
+    int ret = 0;
+    struct platform_data *my_data = (struct platform_data *)platform;
+
+    if (my_data->csd != NULL) {
+        ret = my_data->csd->start_playback(ALL_SESSION_VSID);
+        if (ret < 0) {
+            ALOGE("%s: csd_client_start_playback failed, error %d",
+                  __func__, ret);
+        }
+    }
+
+    return ret;
+}
+
+int platform_stop_incall_music_usecase(void *platform)
+{
+    int ret = 0;
+    struct platform_data *my_data = (struct platform_data *)platform;
+
+    if (my_data->csd != NULL) {
+        ret = my_data->csd->stop_playback(ALL_SESSION_VSID);
+        if (ret < 0) {
+            ALOGE("%s: csd_client_stop_playback failed, error %d",
+                  __func__, ret);
+        }
+    }
+
+    return ret;
+}
+
+void platform_get_parameters(void *platform,
+                            struct str_parms *query,
+                            struct str_parms *reply)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    char *str = NULL;
+    char value[256] = {0};
+    int ret;
+
+    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_SLOWTALK,
+                            value, sizeof(value));
+    if (ret >= 0) {
+        str_parms_add_str(reply, AUDIO_PARAMETER_KEY_SLOWTALK,
+                          my_data->slowtalk?"true":"false");
+    }
+
+    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_VOLUME_BOOST,
+                            value, sizeof(value));
+    if (ret >= 0) {
+        if (my_data->voice_feature_set == VOICE_FEATURE_SET_VOLUME_BOOST) {
+            strlcpy(value, "on", sizeof(value));
+        } else {
+            strlcpy(value, "off", sizeof(value));
+        }
+
+        str_parms_add_str(reply, AUDIO_PARAMETER_KEY_VOLUME_BOOST, value);
+    }
+
+    ALOGV("%s: exit: returns - %s", __func__, str_parms_to_str(reply));
+}
+
+/* Delay in Us */
+int64_t platform_render_latency(audio_usecase_t usecase)
+{
+    switch (usecase) {
+        case USECASE_AUDIO_PLAYBACK_DEEP_BUFFER:
+            return DEEP_BUFFER_PLATFORM_DELAY;
+        case USECASE_AUDIO_PLAYBACK_LOW_LATENCY:
+            return LOW_LATENCY_PLATFORM_DELAY;
+        default:
+            return 0;
+    }
+}
+
+int platform_update_usecase_from_source(int source, int usecase)
+{
+    ALOGV("%s: input source :%d", __func__, source);
+    if(source == AUDIO_SOURCE_FM_RX_A2DP)
+        usecase = USECASE_AUDIO_RECORD_FM_VIRTUAL;
+    return usecase;
+}
+
+bool platform_listen_update_status(snd_device_t snd_device)
+{
+    if ((snd_device >= SND_DEVICE_IN_BEGIN) &&
+        (snd_device < SND_DEVICE_IN_END) &&
+        (snd_device != SND_DEVICE_IN_CAPTURE_FM) &&
+        (snd_device != SND_DEVICE_IN_CAPTURE_VI_FEEDBACK))
+        return true;
+    else
+        return false;
+}
+
+/* Read  offload buffer size from a property.
+ * If value is not power of 2  round it to
+ * power of 2.
+ */
+uint32_t platform_get_compress_offload_buffer_size(audio_offload_info_t* info)
+{
+    char value[PROPERTY_VALUE_MAX] = {0};
+    uint32_t fragment_size = COMPRESS_OFFLOAD_FRAGMENT_SIZE;
+    if((property_get("audio.offload.buffer.size.kb", value, "")) &&
+            atoi(value)) {
+        fragment_size =  atoi(value) * 1024;
+    }
+
+    if (info != NULL && info->has_video && info->is_streaming) {
+        fragment_size = COMPRESS_OFFLOAD_FRAGMENT_SIZE_FOR_AV_STREAMING;
+        ALOGV("%s: offload fragment size reduced for AV streaming to %d",
+               __func__, out->compr_config.fragment_size);
+    }
+
+    fragment_size = ALIGN( fragment_size, 1024);
+
+    if(fragment_size < MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE)
+        fragment_size = MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE;
+    else if(fragment_size > MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE)
+        fragment_size = MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE;
+    ALOGV("%s: fragment_size %d", __func__, fragment_size);
+    return fragment_size;
+}
+
+uint32_t platform_get_pcm_offload_buffer_size(audio_offload_info_t* info)
+{
+    uint32_t fragment_size = MIN_PCM_OFFLOAD_FRAGMENT_SIZE;
+    uint32_t bits_per_sample = 16;
+
+    if (info->format == AUDIO_FORMAT_PCM_24_BIT_OFFLOAD) {
+        bits_per_sample = 32;
+    }
+
+    if (!info->has_video) {
+        fragment_size = MAX_PCM_OFFLOAD_FRAGMENT_SIZE;
+
+    } else if (info->has_video && info->is_streaming) {
+        fragment_size = (PCM_OFFLOAD_BUFFER_DURATION_FOR_AV_STREAMING
+                                     * info->sample_rate
+                                     * bits_per_sample
+                                     * popcount(info->channel_mask))/1000;
+
+    } else if (info->has_video) {
+        fragment_size = (PCM_OFFLOAD_BUFFER_DURATION_FOR_AV
+                                     * info->sample_rate
+                                     * bits_per_sample
+                                     * popcount(info->channel_mask))/1000;
+    }
+
+    fragment_size = ALIGN( fragment_size, 1024);
+
+    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;
+
+    ALOGV("%s: fragment_size %d", __func__, fragment_size);
+    return fragment_size;
+}
+
diff --git a/hal/msm8916/platform.h b/hal/msm8916/platform.h
new file mode 100644
index 0000000..cad5198
--- /dev/null
+++ b/hal/msm8916/platform.h
@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
+ * Not a Contribution.
+ *
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef QCOM_AUDIO_PLATFORM_H
+#define QCOM_AUDIO_PLATFORM_H
+
+enum {
+    FLUENCE_NONE,
+    FLUENCE_DUAL_MIC = 0x1,
+    FLUENCE_QUAD_MIC = 0x2,
+};
+
+/*
+ * Below are the devices for which is back end is same, SLIMBUS_0_RX.
+ * All these devices are handled by the internal HW codec. We can
+ * enable any one of these devices at any time
+ */
+#define AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND \
+    (AUDIO_DEVICE_OUT_EARPIECE | AUDIO_DEVICE_OUT_SPEAKER | \
+     AUDIO_DEVICE_OUT_WIRED_HEADSET | AUDIO_DEVICE_OUT_WIRED_HEADPHONE)
+
+/* Sound devices specific to the platform
+ * The DEVICE_OUT_* and DEVICE_IN_* should be mapped to these sound
+ * devices to enable corresponding mixer paths
+ */
+enum {
+    SND_DEVICE_NONE = 0,
+
+    /* Playback devices */
+    SND_DEVICE_MIN,
+    SND_DEVICE_OUT_BEGIN = SND_DEVICE_MIN,
+    SND_DEVICE_OUT_HANDSET = SND_DEVICE_OUT_BEGIN,
+    SND_DEVICE_OUT_SPEAKER,
+    SND_DEVICE_OUT_SPEAKER_REVERSE,
+    SND_DEVICE_OUT_HEADPHONES,
+    SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
+    SND_DEVICE_OUT_VOICE_HANDSET,
+    SND_DEVICE_OUT_VOICE_SPEAKER,
+    SND_DEVICE_OUT_VOICE_HEADPHONES,
+    SND_DEVICE_OUT_HDMI,
+    SND_DEVICE_OUT_SPEAKER_AND_HDMI,
+    SND_DEVICE_OUT_BT_SCO,
+    SND_DEVICE_OUT_BT_SCO_WB,
+    SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES,
+    SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,
+    SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET,
+    SND_DEVICE_OUT_AFE_PROXY,
+    SND_DEVICE_OUT_USB_HEADSET,
+    SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET,
+    SND_DEVICE_OUT_TRANSMISSION_FM,
+    SND_DEVICE_OUT_ANC_HEADSET,
+    SND_DEVICE_OUT_ANC_FB_HEADSET,
+    SND_DEVICE_OUT_VOICE_ANC_HEADSET,
+    SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET,
+    SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET,
+    SND_DEVICE_OUT_ANC_HANDSET,
+    SND_DEVICE_OUT_SPEAKER_PROTECTED,
+    SND_DEVICE_OUT_END,
+
+    /*
+     * Note: IN_BEGIN should be same as OUT_END because total number of devices
+     * SND_DEVICES_MAX should not exceed MAX_RX + MAX_TX devices.
+     */
+    /* Capture devices */
+    SND_DEVICE_IN_BEGIN = SND_DEVICE_OUT_END,
+    SND_DEVICE_IN_HANDSET_MIC  = SND_DEVICE_IN_BEGIN,
+    SND_DEVICE_IN_HANDSET_MIC_AEC,
+    SND_DEVICE_IN_HANDSET_MIC_NS,
+    SND_DEVICE_IN_HANDSET_MIC_AEC_NS,
+    SND_DEVICE_IN_HANDSET_DMIC,
+    SND_DEVICE_IN_HANDSET_DMIC_AEC,
+    SND_DEVICE_IN_HANDSET_DMIC_NS,
+    SND_DEVICE_IN_HANDSET_DMIC_AEC_NS,
+    SND_DEVICE_IN_SPEAKER_MIC,
+    SND_DEVICE_IN_SPEAKER_MIC_AEC,
+    SND_DEVICE_IN_SPEAKER_MIC_NS,
+    SND_DEVICE_IN_SPEAKER_MIC_AEC_NS,
+    SND_DEVICE_IN_SPEAKER_DMIC,
+    SND_DEVICE_IN_SPEAKER_DMIC_AEC,
+    SND_DEVICE_IN_SPEAKER_DMIC_NS,
+    SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS,
+    SND_DEVICE_IN_HEADSET_MIC,
+    SND_DEVICE_IN_HEADSET_MIC_FLUENCE,
+    SND_DEVICE_IN_VOICE_SPEAKER_MIC,
+    SND_DEVICE_IN_VOICE_HEADSET_MIC,
+    SND_DEVICE_IN_HDMI_MIC,
+    SND_DEVICE_IN_BT_SCO_MIC,
+    SND_DEVICE_IN_BT_SCO_MIC_WB,
+    SND_DEVICE_IN_CAMCORDER_MIC,
+    SND_DEVICE_IN_VOICE_DMIC,
+    SND_DEVICE_IN_VOICE_SPEAKER_DMIC,
+    SND_DEVICE_IN_VOICE_SPEAKER_QMIC,
+    SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC,
+    SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC,
+    SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC,
+    SND_DEVICE_IN_VOICE_REC_MIC,
+    SND_DEVICE_IN_VOICE_REC_MIC_NS,
+    SND_DEVICE_IN_VOICE_REC_DMIC_STEREO,
+    SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE,
+    SND_DEVICE_IN_USB_HEADSET_MIC,
+    SND_DEVICE_IN_CAPTURE_FM,
+    SND_DEVICE_IN_AANC_HANDSET_MIC,
+    SND_DEVICE_IN_QUAD_MIC,
+    SND_DEVICE_IN_HANDSET_STEREO_DMIC,
+    SND_DEVICE_IN_SPEAKER_STEREO_DMIC,
+    SND_DEVICE_IN_CAPTURE_VI_FEEDBACK,
+    SND_DEVICE_IN_END,
+
+    SND_DEVICE_MAX = SND_DEVICE_IN_END,
+
+};
+
+#define DEFAULT_OUTPUT_SAMPLING_RATE 48000
+
+#define ALL_SESSION_VSID                0xFFFFFFFF
+#define DEFAULT_MUTE_RAMP_DURATION      500
+#define DEFAULT_VOLUME_RAMP_DURATION_MS 20
+#define MIXER_PATH_MAX_LENGTH 100
+
+#define MAX_VOL_INDEX 5
+#define MIN_VOL_INDEX 0
+#define percent_to_index(val, min, max) \
+            ((val) * ((max) - (min)) * 0.01 + (min) + .5)
+
+/*
+ * tinyAlsa library interprets period size as number of frames
+ * one frame = channel_count * sizeof (pcm sample)
+ * so if format = 16-bit PCM and channels = Stereo, frame size = 2 ch * 2 = 4 bytes
+ * DEEP_BUFFER_OUTPUT_PERIOD_SIZE = 1024 means 1024 * 4 = 4096 bytes
+ * We should take care of returning proper size when AudioFlinger queries for
+ * the buffer size of an input/output stream
+ */
+#define DEEP_BUFFER_OUTPUT_PERIOD_SIZE 960
+#define DEEP_BUFFER_OUTPUT_PERIOD_COUNT 4
+#define LOW_LATENCY_OUTPUT_PERIOD_SIZE 240
+#define LOW_LATENCY_OUTPUT_PERIOD_COUNT 2
+
+#define HDMI_MULTI_PERIOD_SIZE  336
+#define HDMI_MULTI_PERIOD_COUNT 8
+#define HDMI_MULTI_DEFAULT_CHANNEL_COUNT 6
+#define HDMI_MULTI_PERIOD_BYTES (HDMI_MULTI_PERIOD_SIZE * HDMI_MULTI_DEFAULT_CHANNEL_COUNT * 2)
+
+#define AUDIO_CAPTURE_PERIOD_DURATION_MSEC 20
+#define AUDIO_CAPTURE_PERIOD_COUNT 2
+
+#define DEVICE_NAME_MAX_SIZE 128
+#define HW_INFO_ARRAY_MAX_SIZE 32
+
+#define DEEP_BUFFER_PCM_DEVICE 0
+#define AUDIO_RECORD_PCM_DEVICE 0
+#define MULTIMEDIA2_PCM_DEVICE 1
+#define FM_PLAYBACK_PCM_DEVICE 5
+#define FM_CAPTURE_PCM_DEVICE  6
+#define HFP_PCM_RX 5
+#define HFP_SCO_RX 23
+#define HFP_ASM_RX_TX 24
+
+#define INCALL_MUSIC_UPLINK_PCM_DEVICE 1
+#define INCALL_MUSIC_UPLINK2_PCM_DEVICE 16
+#define SPKR_PROT_CALIB_RX_PCM_DEVICE 5
+#define SPKR_PROT_CALIB_TX_PCM_DEVICE 22
+#define PLAYBACK_OFFLOAD_DEVICE 9
+#define COMPRESS_VOIP_CALL_PCM_DEVICE 3
+
+
+#define LOWLATENCY_PCM_DEVICE 12
+#define EC_REF_RX "I2S_RX"
+#define COMPRESS_CAPTURE_DEVICE 19
+
+#define VOICE_CALL_PCM_DEVICE 2
+#define VOICE2_CALL_PCM_DEVICE 13
+#define VOLTE_CALL_PCM_DEVICE 15
+#define QCHAT_CALL_PCM_DEVICE 14
+
+#define LIB_CSD_CLIENT "libcsd-client.so"
+/* CSD-CLIENT related functions */
+typedef int (*init_t)();
+typedef int (*deinit_t)();
+typedef int (*disable_device_t)();
+typedef int (*enable_device_config_t)(int, int);
+typedef int (*enable_device_t)(int, int, uint32_t);
+typedef int (*volume_t)(uint32_t, int);
+typedef int (*mic_mute_t)(uint32_t, int);
+typedef int (*slow_talk_t)(uint32_t, uint8_t);
+typedef int (*start_voice_t)(uint32_t);
+typedef int (*stop_voice_t)(uint32_t);
+typedef int (*start_playback_t)(uint32_t);
+typedef int (*stop_playback_t)(uint32_t);
+typedef int (*start_record_t)(uint32_t, int);
+typedef int (*stop_record_t)(uint32_t);
+/* CSD Client structure */
+struct csd_data {
+    void *csd_client;
+    init_t init;
+    deinit_t deinit;
+    disable_device_t disable_device;
+    enable_device_config_t enable_device_config;
+    enable_device_t enable_device;
+    volume_t volume;
+    mic_mute_t mic_mute;
+    slow_talk_t slow_talk;
+    start_voice_t start_voice;
+    stop_voice_t stop_voice;
+    start_playback_t start_playback;
+    stop_playback_t stop_playback;
+    start_record_t start_record;
+    stop_record_t stop_record;
+};
+
+#endif // QCOM_AUDIO_PLATFORM_H
diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index c1ba595..ed1a781 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.c
@@ -561,6 +561,12 @@
     return ret;
 }
 
+int platform_set_device_mute(void *platform, bool state, char *dir)
+{
+    LOGE("%s: Not implemented", __func__);
+    return -ENOSYS;
+}
+
 snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices)
 {
     struct platform_data *my_data = (struct platform_data *)platform;
diff --git a/hal/msm8974/hw_info.c b/hal/msm8974/hw_info.c
index 128e4af..f43a3b0 100644
--- a/hal/msm8974/hw_info.c
+++ b/hal/msm8974/hw_info.c
@@ -92,6 +92,11 @@
     SND_DEVICE_IN_QUAD_MIC,
 };
 
+static const snd_device_t taiko_apq8084_sbc_variant_devices[] = {
+    SND_DEVICE_IN_HANDSET_MIC,
+    SND_DEVICE_IN_SPEAKER_MIC,
+};
+
 static const snd_device_t tapan_lite_variant_devices[] = {
     SND_DEVICE_OUT_SPEAKER,
     SND_DEVICE_OUT_HEADPHONES,
@@ -121,28 +126,48 @@
     SND_DEVICE_OUT_SPEAKER,
     SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
     SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET,
+    SND_DEVICE_OUT_VOICE_SPEAKER,
 };
 
 static void  update_hardware_info_8084(struct hardware_info *hw_info, const char *snd_card_name)
 {
-    if (!strcmp(snd_card_name, "apq8084-taiko-mtp-snd-card")) {
+    if (!strcmp(snd_card_name, "apq8084-taiko-mtp-snd-card") ||
+        !strncmp(snd_card_name, "apq8084-taiko-i2s-mtp-snd-card",
+                 sizeof("apq8084-taiko-i2s-mtp-snd-card")) ||
+        !strncmp(snd_card_name, "apq8084-tomtom-mtp-snd-card",
+                 sizeof("apq8084-tomtom-mtp-snd-card"))) {
         strlcpy(hw_info->type, "mtp", sizeof(hw_info->type));
         strlcpy(hw_info->name, "apq8084", sizeof(hw_info->name));
         hw_info->snd_devices = NULL;
         hw_info->num_snd_devices = 0;
         strlcpy(hw_info->dev_extn, "", sizeof(hw_info->dev_extn));
-    } else if (!strcmp(snd_card_name, "apq8084-taiko-cdp-snd-card")) {
+    } else if ((!strcmp(snd_card_name, "apq8084-taiko-cdp-snd-card")) ||
+        !strncmp(snd_card_name, "apq8084-tomtom-cdp-snd-card",
+                 sizeof("apq8084-tomtom-cdp-snd-card"))) {
         strlcpy(hw_info->type, " cdp", sizeof(hw_info->type));
         strlcpy(hw_info->name, "apq8084", sizeof(hw_info->name));
         hw_info->snd_devices = (snd_device_t *)taiko_apq8084_CDP_variant_devices;
         hw_info->num_snd_devices = ARRAY_SIZE(taiko_apq8084_CDP_variant_devices);
         strlcpy(hw_info->dev_extn, "-cdp", sizeof(hw_info->dev_extn));
+    } else if (!strncmp(snd_card_name, "apq8084-taiko-i2s-cdp-snd-card",
+                        sizeof("apq8084-taiko-i2s-cdp-snd-card"))) {
+        strlcpy(hw_info->type, " cdp", sizeof(hw_info->type));
+        strlcpy(hw_info->name, "apq8084", sizeof(hw_info->name));
+        hw_info->snd_devices = NULL;
+        hw_info->num_snd_devices = 0;
+        strlcpy(hw_info->dev_extn, "", sizeof(hw_info->dev_extn));
     } else if (!strcmp(snd_card_name, "apq8084-taiko-liquid-snd-card")) {
         strlcpy(hw_info->type , " liquid", sizeof(hw_info->type));
         strlcpy(hw_info->name, "apq8084", sizeof(hw_info->type));
         hw_info->snd_devices = (snd_device_t *)taiko_liquid_variant_devices;
         hw_info->num_snd_devices = ARRAY_SIZE(taiko_liquid_variant_devices);
         strlcpy(hw_info->dev_extn, "-liquid", sizeof(hw_info->dev_extn));
+    } else if (!strcmp(snd_card_name, "apq8084-taiko-sbc-snd-card")) {
+        strlcpy(hw_info->type, " sbc", sizeof(hw_info->type));
+        strlcpy(hw_info->name, "apq8084", sizeof(hw_info->name));
+        hw_info->snd_devices = (snd_device_t *)taiko_apq8084_sbc_variant_devices;
+        hw_info->num_snd_devices = ARRAY_SIZE(taiko_apq8084_sbc_variant_devices);
+        strlcpy(hw_info->dev_extn, "-sbc", sizeof(hw_info->dev_extn));
     } else {
         ALOGW("%s: Not an 8084 device", __func__);
     }
@@ -246,6 +271,8 @@
     struct hardware_info *hw_info;
 
     hw_info = malloc(sizeof(struct hardware_info));
+    hw_info->snd_devices = NULL;
+    hw_info->num_snd_devices = 0;
 
     if(strstr(snd_card_name, "msm8974") ||
               strstr(snd_card_name, "apq8074")) {
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 4161d87..aa49c7b 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -36,6 +36,11 @@
 
 #define MIXER_XML_PATH "/system/etc/mixer_paths.xml"
 #define MIXER_XML_PATH_AUXPCM "/system/etc/mixer_paths_auxpcm.xml"
+#define MIXER_XML_PATH_I2S "/system/etc/mixer_paths_i2s.xml"
+
+#define PLATFORM_INFO_XML_PATH      "/system/etc/audio_platform_info.xml"
+#define PLATFORM_INFO_XML_PATH_I2S  "/system/etc/audio_platform_info_i2s.xml"
+
 #define LIB_ACDB_LOADER "libacdbloader.so"
 #define AUDIO_DATA_BLOCK_MIXER_CTL "HDMI EDID"
 
@@ -107,8 +112,11 @@
     bool fluence_in_voice_rec;
     bool fluence_in_audio_rec;
     int  fluence_type;
+    int  fluence_mode;
+    char fluence_cap[PROPERTY_VALUE_MAX];
     int  btsco_sample_rate;
     bool slowtalk;
+    bool is_i2s_ext_modem;
     /* Audio calibration related functions */
     void                       *acdb_handle;
     int                        voice_feature_set;
@@ -144,6 +152,7 @@
     [USECASE_VOICE2_CALL] = {VOICE2_CALL_PCM_DEVICE, VOICE2_CALL_PCM_DEVICE},
     [USECASE_VOLTE_CALL] = {VOLTE_CALL_PCM_DEVICE, VOLTE_CALL_PCM_DEVICE},
     [USECASE_QCHAT_CALL] = {QCHAT_CALL_PCM_DEVICE, QCHAT_CALL_PCM_DEVICE},
+    [USECASE_VOWLAN_CALL] = {VOWLAN_CALL_PCM_DEVICE, VOWLAN_CALL_PCM_DEVICE},
     [USECASE_COMPRESS_VOIP_CALL] = {COMPRESS_VOIP_CALL_PCM_DEVICE, COMPRESS_VOIP_CALL_PCM_DEVICE},
     [USECASE_INCALL_REC_UPLINK] = {AUDIO_RECORD_PCM_DEVICE,
                                    AUDIO_RECORD_PCM_DEVICE},
@@ -238,6 +247,11 @@
     [SND_DEVICE_IN_HANDSET_STEREO_DMIC] = "handset-stereo-dmic-ef",
     [SND_DEVICE_IN_SPEAKER_STEREO_DMIC] = "speaker-stereo-dmic-ef",
     [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK] = "vi-feedback",
+    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE] = "voice-speaker-dmic-broadside",
+    [SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE] = "speaker-dmic-broadside",
+    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE] = "speaker-dmic-broadside",
+    [SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE] = "speaker-dmic-broadside",
+    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE] = "speaker-dmic-broadside",
 };
 
 /* ACDB IDs (audio DSP path configuration IDs) for each sound device */
@@ -311,6 +325,11 @@
     [SND_DEVICE_IN_HANDSET_STEREO_DMIC] = 34,
     [SND_DEVICE_IN_SPEAKER_STEREO_DMIC] = 35,
     [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK] = 102,
+    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE] = 12,
+    [SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE] = 12,
+    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE] = 119,
+    [SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE] = 121,
+    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE] = 120,
 };
 
 struct snd_device_index {
@@ -389,6 +408,11 @@
     {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_STEREO_DMIC)},
     {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_STEREO_DMIC)},
     {TO_NAME_INDEX(SND_DEVICE_IN_CAPTURE_VI_FEEDBACK)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE)},
 };
 
 #define DEEP_BUFFER_PLATFORM_DELAY (29*1000LL)
@@ -410,7 +434,7 @@
     return 0;
 }
 
-static struct csd_data *open_csd_client()
+static struct csd_data *open_csd_client(bool i2s_ext_modem)
 {
     struct csd_data *csd = calloc(1, sizeof(struct csd_data));
 
@@ -512,6 +536,16 @@
                   __func__, dlerror());
             goto error;
         }
+
+        csd->get_sample_rate = (get_sample_rate_t)dlsym(csd->csd_client,
+                                             "csd_client_get_sample_rate");
+        if (csd->get_sample_rate == NULL) {
+            ALOGE("%s: dlsym error %s for csd_client_get_sample_rate",
+                  __func__, dlerror());
+
+            goto error;
+        }
+
         csd->init = (init_t)dlsym(csd->csd_client, "csd_client_init");
 
         if (csd->init == NULL) {
@@ -519,7 +553,7 @@
                   __func__, dlerror());
             goto error;
         } else {
-            csd->init();
+            csd->init(i2s_ext_modem);
         }
     }
     return csd;
@@ -557,7 +591,23 @@
     ALOGD("%s: num_modems %d\n", __func__, mdm_detect_info.num_modems);
 
     if (mdm_detect_info.num_modems > 0)
-        plat_data->csd = open_csd_client();
+        plat_data->csd = open_csd_client(plat_data->is_i2s_ext_modem);
+}
+
+static bool platform_is_i2s_ext_modem(const char *snd_card_name,
+                                      struct platform_data *plat_data)
+{
+    plat_data->is_i2s_ext_modem = false;
+
+    if (!strncmp(snd_card_name, "apq8084-taiko-i2s-mtp-snd-card",
+                 sizeof("apq8084-taiko-i2s-mtp-snd-card")) ||
+        !strncmp(snd_card_name, "apq8084-taiko-i2s-cdp-snd-card",
+                 sizeof("apq8084-taiko-i2s-cdp-snd-card"))) {
+        plat_data->is_i2s_ext_modem = true;
+    }
+    ALOGV("%s, is_i2s_ext_modem:%d",__func__, plat_data->is_i2s_ext_modem);
+
+    return plat_data->is_i2s_ext_modem;
 }
 
 void *platform_init(struct audio_device *adev)
@@ -593,10 +643,16 @@
         if (!my_data->hw_info) {
             ALOGE("%s: Failed to init hardware info", __func__);
         } else {
-            if (audio_extn_read_xml(adev, snd_card_num, MIXER_XML_PATH,
-                                    MIXER_XML_PATH_AUXPCM) == -ENOSYS)
+            if (platform_is_i2s_ext_modem(snd_card_name, my_data)) {
+                ALOGD("%s: Call MIXER_XML_PATH_I2S", __func__);
+
+                adev->audio_route = audio_route_init(snd_card_num,
+                                                     MIXER_XML_PATH_I2S);
+            } else if (audio_extn_read_xml(adev, snd_card_num, MIXER_XML_PATH,
+                                    MIXER_XML_PATH_AUXPCM) == -ENOSYS) {
                 adev->audio_route = audio_route_init(snd_card_num,
                                                  MIXER_XML_PATH);
+            }
             if (!adev->audio_route) {
                 ALOGE("%s: Failed to init audio route controls, aborting.",
                        __func__);
@@ -624,11 +680,12 @@
     my_data->fluence_in_voice_rec = false;
     my_data->fluence_in_audio_rec = false;
     my_data->fluence_type = FLUENCE_NONE;
+    my_data->fluence_mode = FLUENCE_ENDFIRE;
 
-    property_get("ro.qc.sdk.audio.fluencetype", value, "");
-    if (!strncmp("fluencepro", value, sizeof("fluencepro"))) {
+    property_get("ro.qc.sdk.audio.fluencetype", my_data->fluence_cap, "");
+    if (!strncmp("fluencepro", my_data->fluence_cap, sizeof("fluencepro"))) {
         my_data->fluence_type = FLUENCE_QUAD_MIC | FLUENCE_DUAL_MIC;
-    } else if (!strncmp("fluence", value, sizeof("fluence"))) {
+    } else if (!strncmp("fluence", my_data->fluence_cap, sizeof("fluence"))) {
         my_data->fluence_type = FLUENCE_DUAL_MIC;
     } else {
         my_data->fluence_type = FLUENCE_NONE;
@@ -654,6 +711,11 @@
         if (!strncmp("true", value, sizeof("true"))) {
             my_data->fluence_in_spkr_mode = true;
         }
+
+        property_get("persist.audio.fluence.mode",value,"");
+        if (!strncmp("broadside", value, sizeof("broadside"))) {
+            my_data->fluence_mode = FLUENCE_BROADSIDE;
+        }
     }
 
     my_data->voice_feature_set = VOICE_FEATURE_SET_DEFAULT;
@@ -695,7 +757,10 @@
     }
 
     /* Initialize ACDB ID's */
-    platform_info_init();
+    if (my_data->is_i2s_ext_modem)
+        platform_info_init(PLATFORM_INFO_XML_PATH_I2S);
+    else
+        platform_info_init(PLATFORM_INFO_XML_PATH);
 
     /* load csd client */
     platform_csd_init(my_data);
@@ -774,6 +839,13 @@
         strlcat(mixer_path, " capture-fm", MIXER_PATH_MAX_LENGTH);
     else if (snd_device == SND_DEVICE_OUT_TRANSMISSION_FM)
         strlcat(mixer_path, " transmission-fm", MIXER_PATH_MAX_LENGTH);
+    else if (snd_device == SND_DEVICE_OUT_VOICE_SPEAKER &&
+             audio_extn_spkr_prot_is_enabled() ) {
+        char platform[PROPERTY_VALUE_MAX];
+        property_get("ro.board.platform", platform, "");
+        if (!strncmp("apq8084", platform, sizeof("apq8084")))
+            strlcat(mixer_path, " speaker-protected", MIXER_PATH_MAX_LENGTH);
+    }
 }
 
 int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type)
@@ -810,6 +882,63 @@
     return ret;
 }
 
+int platform_set_fluence_type(void *platform, char *value)
+{
+    int ret = 0;
+    int fluence_type = FLUENCE_NONE;
+    int fluence_flag = NONE_FLAG;
+    struct platform_data *my_data = (struct platform_data *)platform;
+    struct audio_device *adev = my_data->adev;
+
+    ALOGV("%s: fluence type:%d", __func__, my_data->fluence_type);
+
+    /* only dual mic turn on and off is supported as of now through setparameters */
+    if (!strncmp(AUDIO_PARAMETER_VALUE_DUALMIC,value, sizeof(AUDIO_PARAMETER_VALUE_DUALMIC))) {
+        if (!strncmp("fluencepro", my_data->fluence_cap, sizeof("fluencepro")) ||
+            !strncmp("fluence", my_data->fluence_cap, sizeof("fluence"))) {
+            ALOGV("fluence dualmic feature enabled \n");
+            fluence_type = FLUENCE_DUAL_MIC;
+            fluence_flag = DMIC_FLAG;
+        } else {
+            ALOGE("%s: Failed to set DUALMIC", __func__);
+            ret = -1;
+            goto done;
+        }
+    } else if (!strncmp(AUDIO_PARAMETER_KEY_NO_FLUENCE, value, sizeof(AUDIO_PARAMETER_KEY_NO_FLUENCE))) {
+        ALOGV("fluence disabled");
+        fluence_type = FLUENCE_NONE;
+    } else {
+        ALOGE("Invalid fluence value : %s",value);
+        ret = -1;
+        goto done;
+    }
+
+    if (fluence_type != my_data->fluence_type) {
+        ALOGV("%s: Updating fluence_type to :%d", __func__, fluence_type);
+        my_data->fluence_type = fluence_type;
+        adev->acdb_settings = (adev->acdb_settings & FLUENCE_MODE_CLEAR) | fluence_flag;
+    }
+done:
+    return ret;
+}
+
+int platform_get_fluence_type(void *platform, char *value, uint32_t len)
+{
+    int ret = 0;
+    struct platform_data *my_data = (struct platform_data *)platform;
+
+    if (my_data->fluence_type == FLUENCE_QUAD_MIC) {
+        strlcpy(value, "quadmic", len);
+    } else if (my_data->fluence_type == FLUENCE_DUAL_MIC) {
+        strlcpy(value, "dualmic", len);
+    } else if (my_data->fluence_type == FLUENCE_NONE) {
+        strlcpy(value, "none", len);
+    } else
+        ret = -1;
+
+    return ret;
+}
+
 int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id)
 {
     int ret = 0;
@@ -875,21 +1004,28 @@
     int acdb_rx_id, acdb_tx_id;
     int ret = 0;
 
-    acdb_rx_id = acdb_device_table[out_snd_device];
+    if (my_data->csd == NULL)
+        return ret;
+
+    if (out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER &&
+        audio_extn_spkr_prot_is_enabled())
+        acdb_rx_id = acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED];
+    else
+        acdb_rx_id = acdb_device_table[out_snd_device];
+
     acdb_tx_id = acdb_device_table[in_snd_device];
 
-    if (my_data->csd != NULL) {
-        if (acdb_rx_id > 0 && acdb_tx_id > 0) {
-            ret = my_data->csd->enable_device_config(acdb_rx_id, acdb_tx_id);
-            if (ret < 0) {
-                ALOGE("%s: csd_enable_device_config, failed, error %d",
-                      __func__, ret);
-            }
-        } else {
-            ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
-                  acdb_rx_id, acdb_tx_id);
+    if (acdb_rx_id > 0 && acdb_tx_id > 0) {
+        ret = my_data->csd->enable_device_config(acdb_rx_id, acdb_tx_id);
+        if (ret < 0) {
+            ALOGE("%s: csd_enable_device_config, failed, error %d",
+                  __func__, ret);
         }
+    } else {
+        ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
+              acdb_rx_id, acdb_tx_id);
     }
+
     return ret;
 }
 
@@ -924,22 +1060,28 @@
     int acdb_rx_id, acdb_tx_id;
     int ret = 0;
 
-    acdb_rx_id = acdb_device_table[out_snd_device];
+    if (my_data->csd == NULL)
+        return ret;
+
+    if (out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER &&
+        audio_extn_spkr_prot_is_enabled())
+        acdb_rx_id = acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED];
+    else
+        acdb_rx_id = acdb_device_table[out_snd_device];
+
     acdb_tx_id = acdb_device_table[in_snd_device];
 
-    if (my_data->csd != NULL) {
-        if (acdb_rx_id > 0 && acdb_tx_id > 0) {
-            ret = my_data->csd->enable_device(acdb_rx_id, acdb_tx_id,
-                                              my_data->adev->acdb_settings);
-            if (ret < 0) {
-                ALOGE("%s: csd_enable_device, failed, error %d",
-                      __func__, ret);
-            }
-        } else {
-            ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
-                  acdb_rx_id, acdb_tx_id);
+    if (acdb_rx_id > 0 && acdb_tx_id > 0) {
+        ret = my_data->csd->enable_device(acdb_rx_id, acdb_tx_id,
+                                          my_data->adev->acdb_settings);
+        if (ret < 0) {
+            ALOGE("%s: csd_enable_device, failed, error %d", __func__, ret);
         }
+    } else {
+        ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
+              acdb_rx_id, acdb_tx_id);
     }
+
     return ret;
 }
 
@@ -971,6 +1113,20 @@
     return ret;
 }
 
+int platform_get_sample_rate(void *platform, uint32_t *rate)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    int ret = 0;
+
+    if ((my_data->csd != NULL) && my_data->is_i2s_ext_modem) {
+        ret = my_data->csd->get_sample_rate(rate);
+        if (ret < 0) {
+            ALOGE("%s: csd_get_sample_rate error %d\n", __func__, ret);
+        }
+    }
+    return ret;
+}
+
 int platform_set_voice_volume(void *platform, int volume)
 {
     struct platform_data *my_data = (struct platform_data *)platform;
@@ -998,7 +1154,8 @@
     mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
 
     if (my_data->csd != NULL) {
-        ret = my_data->csd->volume(ALL_SESSION_VSID, volume);
+        ret = my_data->csd->volume(ALL_SESSION_VSID, volume,
+                                   DEFAULT_VOLUME_RAMP_DURATION_MS);
         if (ret < 0) {
             ALOGE("%s: csd_volume error %d", __func__, ret);
         }
@@ -1015,7 +1172,7 @@
     int ret = 0;
     uint32_t set_values[ ] = {0,
                               ALL_SESSION_VSID,
-                              DEFAULT_VOLUME_RAMP_DURATION_MS};
+                              DEFAULT_MUTE_RAMP_DURATION_MS};
 
     set_values[0] = state;
     ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
@@ -1028,7 +1185,8 @@
     mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
 
     if (my_data->csd != NULL) {
-        ret = my_data->csd->mic_mute(ALL_SESSION_VSID, state);
+        ret = my_data->csd->mic_mute(ALL_SESSION_VSID, state,
+                                     DEFAULT_MUTE_RAMP_DURATION_MS);
         if (ret < 0) {
             ALOGE("%s: csd_mic_mute error %d", __func__, ret);
         }
@@ -1036,6 +1194,44 @@
     return ret;
 }
 
+int platform_set_device_mute(void *platform, bool state, char *dir)
+{
+    struct platform_data *my_data = (struct platform_data *)platform;
+    struct audio_device *adev = my_data->adev;
+    struct mixer_ctl *ctl;
+    char *mixer_ctl_name = NULL;
+    int ret = 0;
+    uint32_t set_values[ ] = {0,
+                              ALL_SESSION_VSID,
+                              0};
+    if(dir == NULL) {
+        ALOGE("%s: Invalid direction:%s", __func__, dir);
+        return -EINVAL;
+    }
+
+    if (!strncmp("rx", dir, sizeof("rx"))) {
+        mixer_ctl_name = "Voice Rx Device Mute";
+    } else if (!strncmp("tx", dir, sizeof("tx"))) {
+        mixer_ctl_name = "Voice Tx Device Mute";
+    } else {
+        return -EINVAL;
+    }
+
+    set_values[0] = state;
+    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
+    if (!ctl) {
+        ALOGE("%s: Could not get ctl for mixer cmd - %s",
+              __func__, mixer_ctl_name);
+        return -EINVAL;
+    }
+
+    ALOGV("%s: Setting device mute state: %d, mixer ctrl:%s",
+          __func__,state, mixer_ctl_name);
+    mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
+
+    return ret;
+}
+
 snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices)
 {
     struct platform_data *my_data = (struct platform_data *)platform;
@@ -1160,14 +1356,17 @@
         snd_device = SND_DEVICE_OUT_HDMI ;
     } else if (devices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET ||
                devices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET) {
+        ALOGD("%s: setting USB hadset channel capability(2) for Proxy", __func__);
+        audio_extn_set_afe_proxy_channel_mixer(adev, 2);
         snd_device = SND_DEVICE_OUT_USB_HEADSET;
     } else if (devices & AUDIO_DEVICE_OUT_FM_TX) {
         snd_device = SND_DEVICE_OUT_TRANSMISSION_FM;
     } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
         snd_device = SND_DEVICE_OUT_HANDSET;
     } else if (devices & AUDIO_DEVICE_OUT_PROXY) {
-        ALOGD("%s: setting sink capability for Proxy", __func__);
-        audio_extn_set_afe_proxy_channel_mixer(adev);
+        channel_count = audio_extn_get_afe_proxy_channel_count();
+        ALOGD("%s: setting sink capability(%d) for Proxy", __func__, channel_count);
+        audio_extn_set_afe_proxy_channel_mixer(adev, channel_count);
         snd_device = SND_DEVICE_OUT_AFE_PROXY;
     } else {
         ALOGE("%s: Unknown device(s) %#x", __func__, devices);
@@ -1247,7 +1446,10 @@
                     snd_device = SND_DEVICE_IN_VOICE_SPEAKER_QMIC;
                 } else {
                     adev->acdb_settings |= DMIC_FLAG;
-                    snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC;
+                    if (my_data->fluence_mode == FLUENCE_BROADSIDE)
+                       snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE;
+                    else
+                       snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC;
                 }
             } else {
                 snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC;
@@ -1282,7 +1484,10 @@
                 if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
                     if (my_data->fluence_type & FLUENCE_DUAL_MIC &&
                        my_data->fluence_in_spkr_mode) {
-                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS;
+                        if (my_data->fluence_mode == FLUENCE_BROADSIDE)
+                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE;
+                        else
+                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS;
                         adev->acdb_settings |= DMIC_FLAG;
                     } else
                         snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC_NS;
@@ -1298,8 +1503,12 @@
                 set_echo_reference(adev->mixer, EC_REF_RX);
             } else if (adev->active_input->enable_aec) {
                 if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
-                    if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
-                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC;
+                    if (my_data->fluence_type & FLUENCE_DUAL_MIC &&
+                        my_data->fluence_in_spkr_mode) {
+                        if (my_data->fluence_mode == FLUENCE_BROADSIDE)
+                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE;
+                        else
+                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC;
                         adev->acdb_settings |= DMIC_FLAG;
                     } else
                         snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC;
@@ -1315,8 +1524,12 @@
                 set_echo_reference(adev->mixer, EC_REF_RX);
             } else if (adev->active_input->enable_ns) {
                 if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
-                    if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
-                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS;
+                    if (my_data->fluence_type & FLUENCE_DUAL_MIC &&
+                        my_data->fluence_in_spkr_mode) {
+                        if (my_data->fluence_mode == FLUENCE_BROADSIDE)
+                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE;
+                        else
+                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS;
                         adev->acdb_settings |= DMIC_FLAG;
                     } else
                         snd_device = SND_DEVICE_IN_SPEAKER_MIC_NS;
@@ -1337,8 +1550,10 @@
         if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC &&
                 channel_count == 1 ) {
             if(my_data->fluence_type & FLUENCE_DUAL_MIC &&
-                    my_data->fluence_in_audio_rec)
+                    my_data->fluence_in_audio_rec) {
                 snd_device = SND_DEVICE_IN_HANDSET_DMIC;
+                set_echo_reference(adev->mixer, EC_REF_RX);
+            }
         }
     } else if (source == AUDIO_SOURCE_FM_RX ||
                source == AUDIO_SOURCE_FM_RX_A2DP) {
@@ -1552,11 +1767,6 @@
     if (err >= 0) {
         str_parms_del(parms, AUDIO_PARAMETER_KEY_BTSCO);
         my_data->btsco_sample_rate = val;
-        if (val == SAMPLE_RATE_16KHZ) {
-            audio_route_apply_path(my_data->adev->audio_route,
-                                   "bt-sco-wb-samplerate");
-            audio_route_update_mixer(my_data->adev->audio_route);
-        }
     }
 
     err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_SLOWTALK, value, sizeof(value));
@@ -1689,24 +1899,8 @@
     char *str = NULL;
     char value[256] = {0};
     int ret;
-    int fluence_type;
     char *kv_pairs = NULL;
 
-    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_FLUENCE_TYPE,
-                            value, sizeof(value));
-    if (ret >= 0) {
-        if (my_data->fluence_type & FLUENCE_QUAD_MIC) {
-            strlcpy(value, "fluencepro", sizeof(value));
-        } else if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
-            strlcpy(value, "fluence", sizeof(value));
-        } else {
-            strlcpy(value, "none", sizeof(value));
-        }
-
-        str_parms_add_str(reply, AUDIO_PARAMETER_KEY_FLUENCE_TYPE, value);
-    }
-
-    memset(value, 0, sizeof(value));
     ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_SLOWTALK,
                             value, sizeof(value));
     if (ret >= 0) {
@@ -1779,7 +1973,7 @@
     if (info != NULL && info->has_video && info->is_streaming) {
         fragment_size = COMPRESS_OFFLOAD_FRAGMENT_SIZE_FOR_AV_STREAMING;
         ALOGV("%s: offload fragment size reduced for AV streaming to %d",
-               __func__, out->compr_config.fragment_size);
+               __func__, fragment_size);
     }
 
     fragment_size = ALIGN( fragment_size, 1024);
diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index e80d3f1..db58bf1 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
  * Not a Contribution.
  *
  * Copyright (C) 2013 The Android Open Source Project
@@ -26,6 +26,11 @@
     FLUENCE_QUAD_MIC = 0x2,
 };
 
+enum {
+    FLUENCE_ENDFIRE = 0x1,
+    FLUENCE_BROADSIDE = 0x2,
+};
+
 /*
  * Below are the devices for which is back end is same, SLIMBUS_0_RX.
  * All these devices are handled by the internal HW codec. We can
@@ -120,6 +125,11 @@
     SND_DEVICE_IN_HANDSET_STEREO_DMIC,
     SND_DEVICE_IN_SPEAKER_STEREO_DMIC,
     SND_DEVICE_IN_CAPTURE_VI_FEEDBACK,
+    SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE,
+    SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE,
+    SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE,
+    SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE,
+    SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE,
     SND_DEVICE_IN_END,
 
     SND_DEVICE_MAX = SND_DEVICE_IN_END,
@@ -129,7 +139,7 @@
 #define DEFAULT_OUTPUT_SAMPLING_RATE 48000
 
 #define ALL_SESSION_VSID                0xFFFFFFFF
-#define DEFAULT_MUTE_RAMP_DURATION      500
+#define DEFAULT_MUTE_RAMP_DURATION_MS   20
 #define DEFAULT_VOLUME_RAMP_DURATION_MS 20
 #define MIXER_PATH_MAX_LENGTH 100
 
@@ -170,7 +180,15 @@
 #define HFP_PCM_RX 5
 
 #define INCALL_MUSIC_UPLINK_PCM_DEVICE 1
+
+#ifdef PLATFORM_MSM8610
+#define INCALL_MUSIC_UPLINK2_PCM_DEVICE 14
+#elif PLATFORM_MSM8x26
 #define INCALL_MUSIC_UPLINK2_PCM_DEVICE 16
+#else
+#define INCALL_MUSIC_UPLINK2_PCM_DEVICE 35
+#endif
+
 #define SPKR_PROT_CALIB_RX_PCM_DEVICE 5
 #define SPKR_PROT_CALIB_TX_PCM_DEVICE 25
 #define PLAYBACK_OFFLOAD_DEVICE 9
@@ -194,21 +212,25 @@
 #define VOICE2_CALL_PCM_DEVICE 14
 #define VOLTE_CALL_PCM_DEVICE 17
 #define QCHAT_CALL_PCM_DEVICE 18
+#define VOWLAN_CALL_PCM_DEVICE 30
 #elif PLATFORM_APQ8084
 #define VOICE_CALL_PCM_DEVICE 20
-#define VOICE2_CALL_PCM_DEVICE 13
+#define VOICE2_CALL_PCM_DEVICE 28
 #define VOLTE_CALL_PCM_DEVICE 21
 #define QCHAT_CALL_PCM_DEVICE 06
+#define VOWLAN_CALL_PCM_DEVICE -1
 #elif PLATFORM_MSM8610
 #define VOICE_CALL_PCM_DEVICE 2
 #define VOICE2_CALL_PCM_DEVICE 13
 #define VOLTE_CALL_PCM_DEVICE 15
 #define QCHAT_CALL_PCM_DEVICE 14
+#define VOWLAN_CALL_PCM_DEVICE -1
 #else
 #define VOICE_CALL_PCM_DEVICE 2
 #define VOICE2_CALL_PCM_DEVICE 22
 #define VOLTE_CALL_PCM_DEVICE 14
 #define QCHAT_CALL_PCM_DEVICE 20
+#define VOWLAN_CALL_PCM_DEVICE -1
 #endif
 
 #ifdef PLATFORM_MSM8x26
@@ -221,13 +243,13 @@
 
 #define LIB_CSD_CLIENT "libcsd-client.so"
 /* CSD-CLIENT related functions */
-typedef int (*init_t)();
+typedef int (*init_t)(bool);
 typedef int (*deinit_t)();
 typedef int (*disable_device_t)();
 typedef int (*enable_device_config_t)(int, int);
 typedef int (*enable_device_t)(int, int, uint32_t);
-typedef int (*volume_t)(uint32_t, int);
-typedef int (*mic_mute_t)(uint32_t, int);
+typedef int (*volume_t)(uint32_t, int, uint16_t);
+typedef int (*mic_mute_t)(uint32_t, int, uint16_t);
 typedef int (*slow_talk_t)(uint32_t, uint8_t);
 typedef int (*start_voice_t)(uint32_t);
 typedef int (*stop_voice_t)(uint32_t);
@@ -235,6 +257,7 @@
 typedef int (*stop_playback_t)(uint32_t);
 typedef int (*start_record_t)(uint32_t, int);
 typedef int (*stop_record_t)(uint32_t);
+typedef int (*get_sample_rate_t)(uint32_t *);
 /* CSD Client structure */
 struct csd_data {
     void *csd_client;
@@ -252,6 +275,7 @@
     stop_playback_t stop_playback;
     start_record_t start_record;
     stop_record_t stop_record;
+    get_sample_rate_t get_sample_rate;
 };
 
 #endif // QCOM_AUDIO_PLATFORM_H
diff --git a/hal/platform_api.h b/hal/platform_api.h
index 81291a2..bf6bdcb 100644
--- a/hal/platform_api.h
+++ b/hal/platform_api.h
@@ -28,6 +28,8 @@
 void platform_add_backend_name(char *mixer_path, snd_device_t snd_device);
 int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type);
 int platform_get_snd_device_index(char *snd_device_index_name);
+int platform_set_fluence_type(void *platform, char *value);
+int platform_get_fluence_type(void *platform, char *value, uint32_t len);
 int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id);
 int platform_send_audio_calibration(void *platform, snd_device_t snd_device);
 int platform_switch_voice_call_device_pre(void *platform);
@@ -44,6 +46,8 @@
 int platform_stop_voice_call(void *platform, uint32_t vsid);
 int platform_set_voice_volume(void *platform, int volume);
 int platform_set_mic_mute(void *platform, bool state);
+int platform_get_sample_rate(void *platform, uint32_t *rate);
+int platform_set_device_mute(void *platform, bool state, char *dir);
 snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices);
 snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device);
 int platform_set_hdmi_channels(void *platform, int channel_count);
@@ -63,7 +67,7 @@
 bool platform_listen_update_status(snd_device_t snd_device);
 
 /* From platform_info_parser.c */
-int platform_info_init(void);
+int platform_info_init(const char *filename);
 
 struct audio_offload_info_t;
 uint32_t platform_get_compress_offload_buffer_size(audio_offload_info_t* info);
diff --git a/hal/platform_info.c b/hal/platform_info.c
index 8f56107..85a05eb 100644
--- a/hal/platform_info.c
+++ b/hal/platform_info.c
@@ -38,7 +38,6 @@
 #include "platform_api.h"
 #include <platform.h>
 
-#define PLATFORM_INFO_XML_PATH      "/system/etc/audio_platform_info.xml"
 #define BUF_SIZE                    1024
 
 static void process_device(const XML_Char **attr)
@@ -52,20 +51,20 @@
 
     index = platform_get_snd_device_index((char *)attr[1]);
     if (index < 0) {
-        ALOGE("%s: Device %s in %s not found, no ACDB ID set!",
-              __func__, attr[1], PLATFORM_INFO_XML_PATH);
+        ALOGE("%s: Device %s in platform info xml not found, no ACDB ID set!",
+              __func__, attr[1]);
         goto done;
     }
 
     if (strcmp(attr[2], "acdb_id") != 0) {
-        ALOGE("%s: Device %s in %s has no acdb_id, no ACDB ID set!",
-              __func__, attr[1], PLATFORM_INFO_XML_PATH);
+        ALOGE("%s: Device %s in platform info xml has no acdb_id, no ACDB ID set!",
+              __func__, attr[1]);
         goto done;
     }
 
     if(platform_set_snd_device_acdb_id(index, atoi((char *)attr[3])) < 0) {
-        ALOGE("%s: Device %s in %s, ACDB ID %d was not set!",
-              __func__, attr[1], PLATFORM_INFO_XML_PATH, atoi((char *)attr[3]));
+        ALOGE("%s: Device %s in platform info xml ACDB ID %d was not set!",
+              __func__, attr[1], atoi((char *)attr[3]));
         goto done;
     }
 
@@ -91,7 +90,7 @@
 
 }
 
-int platform_info_init(void)
+int platform_info_init(const char *filename)
 {
     XML_Parser      parser;
     FILE            *file;
@@ -99,10 +98,10 @@
     int             bytes_read;
     void            *buf;
 
-    file = fopen(PLATFORM_INFO_XML_PATH, "r");
+    file = fopen(filename, "r");
     if (!file) {
         ALOGD("%s: Failed to open %s, using defaults.",
-            __func__, PLATFORM_INFO_XML_PATH);
+            __func__, filename);
         ret = -ENODEV;
         goto done;
     }
@@ -134,7 +133,7 @@
         if (XML_ParseBuffer(parser, bytes_read,
                             bytes_read == 0) == XML_STATUS_ERROR) {
             ALOGE("%s: XML_ParseBuffer failed, for %s",
-                __func__, PLATFORM_INFO_XML_PATH);
+                __func__, filename);
             ret = -EINVAL;
             goto err_free_parser;
         }
diff --git a/hal/voice.c b/hal/voice.c
index 28d44db..ac067a3 100644
--- a/hal/voice.c
+++ b/hal/voice.c
@@ -106,6 +106,7 @@
     int i, ret = 0;
     struct audio_usecase *uc_info;
     int pcm_dev_rx_id, pcm_dev_tx_id;
+    uint32_t sample_rate = 8000;
     struct voice_session *session = NULL;
     struct pcm_config voice_config = pcm_config_voice_call;
 
@@ -133,6 +134,13 @@
         ret = -EIO;
         goto error_start_voice;
     }
+    ret = platform_get_sample_rate(adev->platform, &sample_rate);
+    if (ret < 0) {
+        ALOGE("platform_get_sample_rate error %d\n", ret);
+    } else {
+        voice_config.rate = sample_rate;
+    }
+    ALOGD("voice_config.rate %d\n", voice_config.rate);
 
     ALOGV("%s: Opening PCM playback device card_id(%d) device_id(%d)",
           __func__, adev->snd_card, pcm_dev_rx_id);
@@ -397,8 +405,7 @@
             adev->voice.tty_mode = tty_mode;
             adev->acdb_settings = (adev->acdb_settings & TTY_MODE_CLEAR) | tty_mode;
             if (voice_is_in_call(adev))
-                //todo: what about voice2, volte and qchat usecases?
-                select_devices(adev, USECASE_VOICE_CALL);
+               voice_update_devices_for_all_voice_usecases(adev);
         }
     }
 
@@ -438,4 +445,19 @@
     voice_extn_init(adev);
 }
 
+void voice_update_devices_for_all_voice_usecases(struct audio_device *adev)
+{
+    struct listnode *node;
+    struct audio_usecase *usecase;
+
+    list_for_each(node, &adev->usecase_list) {
+        usecase = node_to_item(node, struct audio_usecase, list);
+        if (usecase->type == VOICE_CALL) {
+            ALOGV("%s: updating device for usecase:%s", __func__,
+                  use_case_table[usecase->id]);
+            select_devices(adev, usecase->id);
+        }
+    }
+}
+
 
diff --git a/hal/voice.h b/hal/voice.h
index a7733b1..d160569 100644
--- a/hal/voice.h
+++ b/hal/voice.h
@@ -24,7 +24,7 @@
 #define VOICE_SESS_IDX     (BASE_SESS_IDX)
 
 #ifdef MULTI_VOICE_SESSION_ENABLED
-#define MAX_VOICE_SESSIONS 4
+#define MAX_VOICE_SESSIONS 5
 #else
 #define MAX_VOICE_SESSIONS 1
 #endif
@@ -86,4 +86,5 @@
                                              struct stream_out *out);
 int voice_check_and_stop_incall_rec_usecase(struct audio_device *adev,
                                             struct stream_in *in);
+void voice_update_devices_for_all_voice_usecases(struct audio_device *adev);
 #endif //VOICE_H
diff --git a/hal/voice_extn/voice_extn.c b/hal/voice_extn/voice_extn.c
index 5612e0c..f6083f3 100644
--- a/hal/voice_extn/voice_extn.c
+++ b/hal/voice_extn/voice_extn.c
@@ -38,18 +38,22 @@
 #define AUDIO_PARAMETER_KEY_CALL_STATE          "call_state"
 #define AUDIO_PARAMETER_KEY_AUDIO_MODE          "audio_mode"
 #define AUDIO_PARAMETER_KEY_ALL_CALL_STATES     "all_call_states"
+#define AUDIO_PARAMETER_KEY_DEVICE_MUTE         "device_mute"
+#define AUDIO_PARAMETER_KEY_DIRECTION           "direction"
 
 #define VOICE_EXTN_PARAMETER_VALUE_MAX_LEN 256
 
 #define VOICE2_VSID 0x10DC1000
 #define VOLTE_VSID  0x10C02000
 #define QCHAT_VSID  0x10803000
+#define VOWLAN_VSID 0x10002000
 #define ALL_VSID    0xFFFFFFFF
 
 /* Voice Session Indices */
 #define VOICE2_SESS_IDX    (VOICE_SESS_IDX + 1)
 #define VOLTE_SESS_IDX     (VOICE_SESS_IDX + 2)
 #define QCHAT_SESS_IDX     (VOICE_SESS_IDX + 3)
+#define VOWLAN_SESS_IDX    (VOICE_SESS_IDX + 4)
 
 /* Call States */
 #define CALL_HOLD           (BASE_CALL_STATE + 2)
@@ -83,7 +87,8 @@
     if (vsid == VOICE_VSID ||
         vsid == VOICE2_VSID ||
         vsid == VOLTE_VSID ||
-        vsid == QCHAT_VSID)
+        vsid == QCHAT_VSID ||
+        vsid == VOWLAN_VSID)
         return true;
     else
         return false;
@@ -110,6 +115,10 @@
         usecase_id = USECASE_QCHAT_CALL;
         break;
 
+    case VOWLAN_SESS_IDX:
+        usecase_id = USECASE_VOWLAN_CALL;
+        break;
+
     default:
         ALOGE("%s: Invalid voice session index\n", __func__);
     }
@@ -353,6 +362,7 @@
     adev->voice.session[VOICE2_SESS_IDX].vsid = VOICE2_VSID;
     adev->voice.session[VOLTE_SESS_IDX].vsid =  VOLTE_VSID;
     adev->voice.session[QCHAT_SESS_IDX].vsid =  QCHAT_VSID;
+    adev->voice.session[VOWLAN_SESS_IDX].vsid = VOWLAN_VSID;
 }
 
 int voice_extn_get_session_from_use_case(struct audio_device *adev,
@@ -378,6 +388,10 @@
         *session = &adev->voice.session[QCHAT_SESS_IDX];
         break;
 
+    case USECASE_VOWLAN_CALL:
+        *session = &adev->voice.session[VOWLAN_SESS_IDX];
+        break;
+
     default:
         ALOGE("%s: Invalid usecase_id:%d\n", __func__, usecase_id);
         *session = NULL;
@@ -428,6 +442,7 @@
     int value;
     int ret = 0, err;
     char *kv_pairs = str_parms_to_str(parms);
+    char str_value[256] = {0};
 
     ALOGV_IF(kv_pairs != NULL, "%s: enter: %s", __func__, kv_pairs);
 
@@ -453,8 +468,34 @@
             ret = -EINVAL;
             goto done;
         }
-    } else {
-        ALOGV("%s: Not handled here", __func__);
+    }
+
+    err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_DEVICE_MUTE, str_value,
+                            sizeof(str_value));
+    if (err >= 0) {
+        str_parms_del(parms, AUDIO_PARAMETER_KEY_DEVICE_MUTE);
+        bool mute = false;
+
+        if (!strncmp("true", str_value, sizeof("true"))) {
+            mute = true;
+        }
+
+        err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_DIRECTION, str_value,
+                                sizeof(str_value));
+        if (err >= 0) {
+            str_parms_del(parms, AUDIO_PARAMETER_KEY_DIRECTION);
+        } else {
+            ALOGE("%s: direction key not found", __func__);
+            ret = -EINVAL;
+            goto done;
+        }
+
+        ret = platform_set_device_mute(adev->platform, mute, str_value);
+        if (ret != 0) {
+            ALOGE("%s: Failed to set mute err:%d", __func__, ret);
+            ret = -EINVAL;
+            goto done;
+        }
     }
 
 done:
diff --git a/mm-audio/aenc-aac/qdsp6/inc/omx_aac_aenc.h b/mm-audio/aenc-aac/qdsp6/inc/omx_aac_aenc.h
index 276eaa3..623caa8 100644
--- a/mm-audio/aenc-aac/qdsp6/inc/omx_aac_aenc.h
+++ b/mm-audio/aenc-aac/qdsp6/inc/omx_aac_aenc.h
@@ -1,5 +1,5 @@
 /*--------------------------------------------------------------------------
-Copyright (c) 2010, The Linux Foundation. All rights reserved.
+Copyright (c) 2010-2014, 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:
@@ -358,7 +358,10 @@
         OMX_COMPONENT_OUTPUT_DISABLE_PENDING  =0x7
     };
 
-
+    #define MIN_BITRATE 24000
+    #define MAX_BITRATE 192000
+    #define MAX_BITRATE_MULFACTOR 12
+    #define BITRATE_DIVFACTOR 2
     typedef Map<OMX_BUFFERHEADERTYPE*, OMX_BUFFERHEADERTYPE*>
     input_buffer_map;
 
@@ -619,6 +622,7 @@
                 OMX_U8 num_bits_reqd,
                 OMX_U32  value,
                 OMX_U16 *hdr_bit_index);
+    int get_updated_bit_rate(int bitrate);
 
 };
 #endif
diff --git a/mm-audio/aenc-aac/qdsp6/src/omx_aac_aenc.cpp b/mm-audio/aenc-aac/qdsp6/src/omx_aac_aenc.cpp
index 52aa915..6521265 100644
--- a/mm-audio/aenc-aac/qdsp6/src/omx_aac_aenc.cpp
+++ b/mm-audio/aenc-aac/qdsp6/src/omx_aac_aenc.cpp
@@ -1,5 +1,5 @@
 /*--------------------------------------------------------------------------
-Copyright (c) 2010, The Linux Foundation. All rights reserved.
+Copyright (c) 2010-2014, 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:
@@ -1438,10 +1438,12 @@
                 }
                 drv_aac_enc_config.channels = m_aac_param.nChannels;
                 drv_aac_enc_config.sample_rate = m_aac_param.nSampleRate;
-                drv_aac_enc_config.bit_rate =  m_aac_param.nBitRate;
-                DEBUG_PRINT("aac config %lu,%lu,%lu %d\n",
+                drv_aac_enc_config.bit_rate =
+                get_updated_bit_rate(m_aac_param.nBitRate);
+                DEBUG_PRINT("aac config %lu,%lu,%lu %d updated bitrate %d\n",
                             m_aac_param.nChannels,m_aac_param.nSampleRate,
-			    m_aac_param.nBitRate,m_aac_param.eAACStreamFormat);
+			    m_aac_param.nBitRate,m_aac_param.eAACStreamFormat,
+                            drv_aac_enc_config.bit_rate);
                 switch(m_aac_param.eAACStreamFormat)
                 {
 
@@ -5014,3 +5016,44 @@
 
 }
 
+int omx_aac_aenc::get_updated_bit_rate(int bitrate)
+{
+	int updated_rate, min_bitrate, max_bitrate;
+
+        max_bitrate = m_aac_param.nSampleRate *
+        MAX_BITRATE_MULFACTOR;
+	switch(m_aac_param.eAACProfile)
+	{
+		case OMX_AUDIO_AACObjectLC:
+		    min_bitrate = m_aac_param.nSampleRate;
+		    if (m_aac_param.nChannels == 1) {
+		       min_bitrate = min_bitrate/BITRATE_DIVFACTOR;
+                       max_bitrate = max_bitrate/BITRATE_DIVFACTOR;
+                    }
+                break;
+		case OMX_AUDIO_AACObjectHE:
+		    min_bitrate = MIN_BITRATE;
+		    if (m_aac_param.nChannels == 1)
+                       max_bitrate = max_bitrate/BITRATE_DIVFACTOR;
+		break;
+		case OMX_AUDIO_AACObjectHE_PS:
+		    min_bitrate = MIN_BITRATE;
+		break;
+                default:
+                    return bitrate;
+                break;
+	}
+        /* Update MIN and MAX values*/
+        if (min_bitrate > MIN_BITRATE)
+              min_bitrate = MIN_BITRATE;
+        if (max_bitrate > MAX_BITRATE)
+              max_bitrate = MAX_BITRATE;
+        /* Update the bitrate in the range  */
+        if (bitrate < min_bitrate)
+            updated_rate = min_bitrate;
+        else if(bitrate > max_bitrate)
+            updated_rate = max_bitrate;
+        else
+             updated_rate = bitrate;
+	return updated_rate;
+}
diff --git a/policy_hal/Android.mk b/policy_hal/Android.mk
index c68ab6e..4f3a737 100644
--- a/policy_hal/Android.mk
+++ b/policy_hal/Android.mk
@@ -29,6 +29,9 @@
 ifneq ($(strip $(AUDIO_FEATURE_DISABLED_INCALL_MUSIC)),true)
 LOCAL_CFLAGS += -DAUDIO_EXTN_INCALL_MUSIC_ENABLED
 endif
+ifneq ($(strip $(AUDIO_FEATURE_DISABLED_HDMI_SPK)),true)
+LOCAL_CFLAGS += -DAUDIO_EXTN_HDMI_SPK_ENABLED
+endif
 
 
 ifeq ($(strip $(TARGET_BOARD_PLATFORM)),msm8916)
diff --git a/policy_hal/AudioPolicyManager.cpp b/policy_hal/AudioPolicyManager.cpp
index a774c9e..8947456 100644
--- a/policy_hal/AudioPolicyManager.cpp
+++ b/policy_hal/AudioPolicyManager.cpp
@@ -44,6 +44,7 @@
 // ----------------------------------------------------------------------------
 // AudioPolicyInterface implementation
 // ----------------------------------------------------------------------------
+const char* AudioPolicyManager::HDMI_SPKR_STR = "hdmi_spkr";
 
 status_t AudioPolicyManager::setDeviceConnectionState(audio_devices_t device,
                                                       AudioSystem::device_connection_state state,
@@ -85,6 +86,15 @@
         // handle output device connection
         case AudioSystem::DEVICE_STATE_AVAILABLE:
             if (mAvailableOutputDevices & device) {
+#ifdef AUDIO_EXTN_HDMI_SPK_ENABLED
+                if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_AUX_DIGITAL)) {
+                   if (!strncmp(device_address, HDMI_SPKR_STR, MAX_DEVICE_ADDRESS_LEN)) {
+                        mHdmiAudioDisabled = false;
+                    } else {
+                        mHdmiAudioEvent = true;
+                    }
+                }
+#endif
                 ALOGW("setDeviceConnectionState() device already connected: %x", device);
                 return INVALID_OPERATION;
             }
@@ -98,6 +108,18 @@
             // register new device as available
             mAvailableOutputDevices = (audio_devices_t)(mAvailableOutputDevices | device);
 
+#ifdef AUDIO_EXTN_HDMI_SPK_ENABLED
+            if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_AUX_DIGITAL)) {
+                if (!strncmp(device_address, HDMI_SPKR_STR, MAX_DEVICE_ADDRESS_LEN)) {
+                    mHdmiAudioDisabled = false;
+                } else {
+                    mHdmiAudioEvent = true;
+                }
+                if (mHdmiAudioDisabled || !mHdmiAudioEvent) {
+                    mAvailableOutputDevices = (audio_devices_t)(mAvailableOutputDevices & ~device);
+                }
+            }
+#endif
             if (!outputs.isEmpty()) {
                 String8 paramStr;
                 if (mHasA2dp && audio_is_a2dp_device(device)) {
@@ -127,6 +149,15 @@
         // handle output device disconnection
         case AudioSystem::DEVICE_STATE_UNAVAILABLE: {
             if (!(mAvailableOutputDevices & device)) {
+#ifdef AUDIO_EXTN_HDMI_SPK_ENABLED
+                if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_AUX_DIGITAL)) {
+                    if (!strncmp(device_address, HDMI_SPKR_STR, MAX_DEVICE_ADDRESS_LEN)) {
+                        mHdmiAudioDisabled = true;
+                    } else {
+                        mHdmiAudioEvent = false;
+                    }
+                }
+#endif
                 ALOGW("setDeviceConnectionState() device not connected: %x", device);
                 return INVALID_OPERATION;
             }
@@ -135,6 +166,15 @@
             // remove device from available output devices
             mAvailableOutputDevices = (audio_devices_t)(mAvailableOutputDevices & ~device);
 
+#ifdef AUDIO_EXTN_HDMI_SPK_ENABLED
+            if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_AUX_DIGITAL)) {
+                if (!strncmp(device_address, HDMI_SPKR_STR, MAX_DEVICE_ADDRESS_LEN)) {
+                    mHdmiAudioDisabled = true;
+                } else {
+                    mHdmiAudioEvent = false;
+                }
+            }
+#endif
             checkOutputsForDevice(device, state, outputs);
             if (mHasA2dp && audio_is_a2dp_device(device)) {
                 // handle A2DP device disconnection
diff --git a/policy_hal/AudioPolicyManager.h b/policy_hal/AudioPolicyManager.h
index 34ca701..188488a 100644
--- a/policy_hal/AudioPolicyManager.h
+++ b/policy_hal/AudioPolicyManager.h
@@ -35,7 +35,9 @@
 
 public:
                 AudioPolicyManager(AudioPolicyClientInterface *clientInterface)
-                : AudioPolicyManagerBase(clientInterface) {}
+                : AudioPolicyManagerBase(clientInterface) {
+                    mHdmiAudioDisabled = false;
+                    mHdmiAudioEvent = false; }
 
         virtual ~AudioPolicyManager() {}
 
@@ -89,5 +91,13 @@
         // returns the category the device belongs to with regard to volume curve management
         static device_category getDeviceCategory(audio_devices_t device);
 
+        static const char* HDMI_SPKR_STR;
+
+        //parameter indicates of HDMI speakers disabled from the Qualcomm settings
+        bool mHdmiAudioDisabled;
+
+        //parameter indicates if HDMI plug in/out detected
+        bool mHdmiAudioEvent;
+
 };
 };
diff --git a/post_proc/bass_boost.c b/post_proc/bass_boost.c
index a925e8e..657195d 100644
--- a/post_proc/bass_boost.c
+++ b/post_proc/bass_boost.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
  * Not a Contribution.
  *
  * Copyright (C) 2013 The Android Open Source Project
@@ -153,16 +153,27 @@
     bass_ctxt->device = device;
     if((device == AUDIO_DEVICE_OUT_SPEAKER) ||
        (device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT) ||
-       (device == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER)) {
+       (device == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER) ||
+       (device == AUDIO_DEVICE_OUT_PROXY) ||
+       (device == AUDIO_DEVICE_OUT_AUX_DIGITAL) ||
+       (device == AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET)) {
         if (offload_bassboost_get_enable_flag(&(bass_ctxt->offload_bass))) {
             offload_bassboost_set_enable_flag(&(bass_ctxt->offload_bass), false);
             bass_ctxt->temp_disabled = true;
+            if (bass_ctxt->ctl)
+                offload_bassboost_send_params(bass_ctxt->ctl,
+                                              bass_ctxt->offload_bass,
+                                              OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG);
         }
     } else {
         if (!offload_bassboost_get_enable_flag(&(bass_ctxt->offload_bass)) &&
             bass_ctxt->temp_disabled) {
             offload_bassboost_set_enable_flag(&(bass_ctxt->offload_bass), true);
             bass_ctxt->temp_disabled = false;
+            if (bass_ctxt->ctl)
+                offload_bassboost_send_params(bass_ctxt->ctl,
+                                              bass_ctxt->offload_bass,
+                                              OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG);
         }
     }
     offload_bassboost_set_device(&(bass_ctxt->offload_bass), device);
@@ -212,8 +223,15 @@
 
     ALOGV("%s", __func__);
 
-    if (!offload_bassboost_get_enable_flag(&(bass_ctxt->offload_bass)))
+    if (!offload_bassboost_get_enable_flag(&(bass_ctxt->offload_bass)) &&
+        !(bass_ctxt->temp_disabled)) {
         offload_bassboost_set_enable_flag(&(bass_ctxt->offload_bass), true);
+        if (bass_ctxt->ctl && bass_ctxt->strength)
+            offload_bassboost_send_params(bass_ctxt->ctl,
+                                          bass_ctxt->offload_bass,
+                                          OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG |
+                                          OFFLOAD_SEND_BASSBOOST_STRENGTH);
+    }
     return 0;
 }
 
diff --git a/post_proc/effect_api.c b/post_proc/effect_api.c
index 0b77969..b7cf469 100644
--- a/post_proc/effect_api.c
+++ b/post_proc/effect_api.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2014, 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
@@ -391,7 +391,7 @@
 {
     ALOGV("%s", __func__);
     if (preset && (preset <= NUM_OSL_REVERB_PRESETS_SUPPORTED))
-        reverb->preset = map_reverb_opensl_preset_2_offload_preset[preset][1];
+        reverb->preset = map_reverb_opensl_preset_2_offload_preset[preset-1][1];
 }
 
 void offload_reverb_set_wet_mix(struct reverb_params *reverb, int wet_mix)
diff --git a/post_proc/reverb.c b/post_proc/reverb.c
index 4c7fe25..7c50430 100644
--- a/post_proc/reverb.c
+++ b/post_proc/reverb.c
@@ -309,6 +309,7 @@
             return -EINVAL;
         *(uint16_t *)value = reverb_ctxt->next_preset;
         ALOGV("get REVERB_PARAM_PRESET, preset %d", reverb_ctxt->next_preset);
+        return 0;
     }
     switch (param) {
     case REVERB_PARAM_ROOM_LEVEL:
@@ -464,6 +465,7 @@
             return -EINVAL;
         }
         reverb_set_preset(reverb_ctxt, preset);
+        return 0;
     }
     switch (param) {
     case REVERB_PARAM_PROPERTIES:
@@ -603,6 +605,14 @@
 
     ALOGV("%s", __func__);
     reverb_ctxt->ctl = output->ctl;
+    if (offload_reverb_get_enable_flag(&(reverb_ctxt->offload_reverb))) {
+        if (reverb_ctxt->ctl && reverb_ctxt->preset) {
+            offload_reverb_send_params(reverb_ctxt->ctl, reverb_ctxt->offload_reverb,
+                                       OFFLOAD_SEND_REVERB_ENABLE_FLAG |
+                                       OFFLOAD_SEND_REVERB_PRESET);
+        }
+    }
+
     return 0;
 }
 
diff --git a/post_proc/virtualizer.c b/post_proc/virtualizer.c
index 9682b93..54bca07 100644
--- a/post_proc/virtualizer.c
+++ b/post_proc/virtualizer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
  * Not a Contribution.
  *
  * Copyright (C) 2013 The Android Open Source Project
@@ -153,16 +153,27 @@
     virt_ctxt->device = device;
     if((device == AUDIO_DEVICE_OUT_SPEAKER) ||
        (device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT) ||
-       (device == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER)) {
+       (device == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER) ||
+       (device == AUDIO_DEVICE_OUT_PROXY) ||
+       (device == AUDIO_DEVICE_OUT_AUX_DIGITAL) ||
+       (device == AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET)) {
         if (offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt))) {
             offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), false);
             virt_ctxt->temp_disabled = true;
+            if (virt_ctxt->ctl)
+                offload_virtualizer_send_params(virt_ctxt->ctl,
+                                              virt_ctxt->offload_virt,
+                                              OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG);
         }
     } else {
         if (!offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt)) &&
             virt_ctxt->temp_disabled) {
             offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), true);
             virt_ctxt->temp_disabled = false;
+            if (virt_ctxt->ctl)
+                offload_virtualizer_send_params(virt_ctxt->ctl,
+                                              virt_ctxt->offload_virt,
+                                              OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG);
         }
     }
     offload_virtualizer_set_device(&(virt_ctxt->offload_virt), device);
@@ -211,8 +222,15 @@
 
     ALOGV("%s", __func__);
 
-    if (!offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt)))
+    if (!offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt)) &&
+        !(virt_ctxt->temp_disabled)) {
         offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), true);
+        if (virt_ctxt->ctl && virt_ctxt->strength)
+            offload_virtualizer_send_params(virt_ctxt->ctl,
+                                          virt_ctxt->offload_virt,
+                                          OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG |
+                                          OFFLOAD_SEND_BASSBOOST_STRENGTH);
+    }
     return 0;
 }