diff --git a/hal/Android.mk b/hal/Android.mk
index 037be56..d25c926 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -97,8 +97,17 @@
     LOCAL_CFLAGS += -DDS1_DOLBY_DDP_ENABLED
     LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
     LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
+    LOCAL_SRC_FILES += audio_extn/dolby.c
 endif
 
+ifneq ($(strip $(AUDIO_FEATURE_DISABLED_DS1_DOLBY_DAP)),true)
+    LOCAL_CFLAGS += -DDS1_DOLBY_DAP_ENABLED
+ifeq ($(strip $(AUDIO_FEATURE_DISABLED_DS1_DOLBY_DDP)),true)
+    LOCAL_SRC_FILES += audio_extn/dolby.c
+endif
+endif
+
+
 LOCAL_SHARED_LIBRARIES := \
 	liblog \
 	libcutils \
@@ -116,6 +125,12 @@
 	$(LOCAL_PATH)/audio_extn \
 	$(LOCAL_PATH)/voice_extn
 
+ifneq ($(filter msm8974,$(AUDIO_PLATFORM)),)
+    LOCAL_C_INCLUDES += external/expat/lib
+    LOCAL_SHARED_LIBRARIES += libexpat
+    LOCAL_SRC_FILES += $(AUDIO_PLATFORM)/platform_parser.c
+endif
+
 ifeq ($(strip $(AUDIO_FEATURE_ENABLED_LISTEN)),true)
     LOCAL_CFLAGS += -DAUDIO_LISTEN_ENABLED
     LOCAL_C_INCLUDES += $(TARGET_OUT_HEADERS)/mm-audio/audio-listen
diff --git a/hal/audio_extn/audio_extn.c b/hal/audio_extn/audio_extn.c
index 80ce063..89903ba 100644
--- a/hal/audio_extn/audio_extn.c
+++ b/hal/audio_extn/audio_extn.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
@@ -29,8 +29,6 @@
 #include "audio_hw.h"
 #include "audio_extn.h"
 
-#include "sound/compress_params.h"
-
 #define MAX_SLEEP_RETRY 100
 #define WIFI_INIT_WAIT_SLEEP 50
 
@@ -321,6 +319,7 @@
    audio_extn_fm_set_parameters(adev, parms);
    audio_extn_listen_set_parameters(adev, parms);
    audio_extn_hfp_set_parameters(adev, parms);
+   audio_extn_ddp_set_parameters(adev, parms);
 }
 
 void audio_extn_get_parameters(const struct audio_device *adev,
@@ -359,57 +358,3 @@
     return 0;
 }
 #endif /* AUXPCM_BT_ENABLED */
-
-
-#ifdef DS1_DOLBY_DDP_ENABLED
-
-bool audio_extn_dolby_is_supported_format(audio_format_t format)
-{
-    if (format == AUDIO_FORMAT_AC3 ||
-            format == AUDIO_FORMAT_EAC3)
-        return true;
-    else
-        return false;
-}
-
-int audio_extn_dolby_get_snd_codec_id(audio_format_t format)
-{
-    int id = 0;
-
-    switch (format) {
-    case AUDIO_FORMAT_AC3:
-        id = SND_AUDIOCODEC_AC3;
-        break;
-    case AUDIO_FORMAT_EAC3:
-        id = SND_AUDIOCODEC_EAC3;
-        break;
-    default:
-        ALOGE("%s: Unsupported audio format :%x", __func__, format);
-    }
-
-    return id;
-}
-
-int audio_extn_dolby_set_DMID(struct audio_device *adev)
-{
-    struct mixer_ctl *ctl;
-    const char *mixer_ctl_name = "DS1 Security";
-    char c_dmid[128] = {0};
-    int i_dmid, ret;
-
-    property_get("dmid",c_dmid,"0");
-    i_dmid = atoi(c_dmid);
-
-    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 Dolby device manufacturer id is:%d",__func__,i_dmid);
-    ret = mixer_ctl_set_value(ctl, 0, i_dmid);
-
-    return ret;
-}
-#endif /* DS1_DOLBY_DDP_ENABLED */
-
diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index 72f8642..fb428db 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.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
@@ -155,14 +155,31 @@
 void audio_extn_compr_cap_deinit();
 #endif
 
-#ifndef DS1_DOLBY_DDP_ENABLED
-#define audio_extn_dolby_is_supported_format(format)    (0)
-#define audio_extn_dolby_get_snd_codec_id(format)       (0)
-#define audio_extn_dolby_set_DMID(adev)                 (0)
+#if defined(DS1_DOLBY_DDP_ENABLED) || defined(DS1_DOLBY_DAP_ENABLED)
+void audio_extn_dolby_set_dmid(struct audio_device *adev);
 #else
-bool audio_extn_dolby_is_supported_format(audio_format_t format);
-int audio_extn_dolby_get_snd_codec_id(audio_format_t format);
-int audio_extn_dolby_set_DMID(struct audio_device *adev);
+#define audio_extn_dolby_set_dmid(adev)                 (0)
+#endif
+
+#ifndef DS1_DOLBY_DDP_ENABLED
+#define audio_extn_dolby_set_endpoint()                 (0)
+#else
+void audio_extn_dolby_set_endpoint(struct audio_device *adev);
+#endif
+
+#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_send_ddp_endp_params(adev)     (0)
+#else
+bool audio_extn_is_dolby_format(audio_format_t format);
+int audio_extn_dolby_get_snd_codec_id(struct audio_device *adev,
+                                      struct stream_out *out,
+                                      audio_format_t format);
+void audio_extn_ddp_set_parameters(struct audio_device *adev,
+                                   struct str_parms *parms);
+void audio_extn_dolby_send_ddp_endp_params(struct audio_device *adev);
 #endif
 
 #ifndef HFP_ENABLED
diff --git a/hal/audio_extn/dolby.c b/hal/audio_extn/dolby.c
new file mode 100644
index 0000000..bcc7381
--- /dev/null
+++ b/hal/audio_extn/dolby.c
@@ -0,0 +1,456 @@
+/*
+ * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
+ * Not a Contribution.
+ *
+ * Copyright (C) 2010 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 "audio_hw_dolby"
+/*#define LOG_NDEBUG 0*/
+#define LOG_NDDEBUG 0
+
+#include <errno.h>
+#include <cutils/properties.h>
+#include <stdlib.h>
+#include <dlfcn.h>
+#include <cutils/str_parms.h>
+#include <cutils/log.h>
+
+#include "audio_hw.h"
+#include "platform.h"
+#include "platform_api.h"
+#include "audio_extn.h"
+#include "sound/compress_params.h"
+
+#ifdef DS1_DOLBY_DDP_ENABLED
+
+#define AUDIO_PARAMETER_DDP_DEV          "ddp_device"
+#define AUDIO_PARAMETER_DDP_CH_CAP       "ddp_chancap"
+#define AUDIO_PARAMETER_DDP_MAX_OUT_CHAN "ddp_maxoutchan"
+#define AUDIO_PARAMETER_DDP_OUT_MODE     "ddp_outmode"
+#define AUDIO_PARAMETER_DDP_OUT_LFE_ON   "ddp_outlfeon"
+#define AUDIO_PARAMETER_DDP_COMP_MODE    "ddp_compmode"
+#define AUDIO_PARAMETER_DDP_STEREO_MODE  "ddp_stereomode"
+
+#define PARAM_ID_MAX_OUTPUT_CHANNELS    0x00010DE2
+#define PARAM_ID_CTL_RUNNING_MODE       0x0
+#define PARAM_ID_CTL_ERROR_CONCEAL      0x00010DE3
+#define PARAM_ID_CTL_ERROR_MAX_RPTS     0x00010DE4
+#define PARAM_ID_CNV_ERROR_CONCEAL      0x00010DE5
+#define PARAM_ID_CTL_SUBSTREAM_SELECT   0x00010DE6
+#define PARAM_ID_CTL_INPUT_MODE         0x0
+#define PARAM_ID_OUT_CTL_OUTMODE        0x00010DE0
+#define PARAM_ID_OUT_CTL_OUTLFE_ON      0x00010DE1
+#define PARAM_ID_OUT_CTL_COMPMODE       0x00010D74
+#define PARAM_ID_OUT_CTL_STEREO_MODE    0x00010D76
+#define PARAM_ID_OUT_CTL_DUAL_MODE      0x00010D75
+#define PARAM_ID_OUT_CTL_DRCSCALE_HIGH  0x00010D7A
+#define PARAM_ID_OUT_CTL_DRCSCALE_LOW   0x00010D79
+#define PARAM_ID_OUT_CTL_OUT_PCMSCALE   0x00010D78
+#define PARAM_ID_OUT_CTL_MDCT_BANDLIMIT 0x00010DE7
+#define PARAM_ID_OUT_CTL_DRC_SUPPRESS   0x00010DE8
+
+/* DS1-DDP Endp Params */
+#define DDP_ENDP_NUM_PARAMS 17
+#define DDP_ENDP_NUM_DEVICES 22
+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,
+    PARAM_ID_CNV_ERROR_CONCEAL, PARAM_ID_CTL_SUBSTREAM_SELECT,
+    PARAM_ID_CTL_INPUT_MODE, PARAM_ID_OUT_CTL_OUTMODE,
+    PARAM_ID_OUT_CTL_OUTLFE_ON, PARAM_ID_OUT_CTL_COMPMODE,
+    PARAM_ID_OUT_CTL_STEREO_MODE, PARAM_ID_OUT_CTL_DUAL_MODE,
+    PARAM_ID_OUT_CTL_DRCSCALE_HIGH, PARAM_ID_OUT_CTL_DRCSCALE_LOW,
+    PARAM_ID_OUT_CTL_OUT_PCMSCALE, PARAM_ID_OUT_CTL_MDCT_BANDLIMIT,
+    PARAM_ID_OUT_CTL_DRC_SUPPRESS
+};
+
+static struct ddp_endp_params {
+    int  device;
+    int  dev_ch_cap;
+    int  param_val[DDP_ENDP_NUM_PARAMS];
+    bool is_param_valid[DDP_ENDP_NUM_PARAMS];
+} ddp_endp_params[DDP_ENDP_NUM_DEVICES] = {
+          {AUDIO_DEVICE_OUT_EARPIECE, 2,
+              {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_SPEAKER, 2,
+              {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_WIRED_HEADSET, 2,
+              {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_WIRED_HEADPHONE, 2,
+              {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_BLUETOOTH_SCO, 2,
+              {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_BLUETOOTH_SCO_HEADSET, 2,
+              {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_BLUETOOTH_SCO_CARKIT, 2,
+              {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_BLUETOOTH_A2DP, 2,
+              {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_BLUETOOTH_A2DP_HEADPHONES, 2,
+              {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_BLUETOOTH_A2DP_SPEAKER, 2,
+              {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_AUX_DIGITAL, 2,
+              {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_AUX_DIGITAL, 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} },
+          {AUDIO_DEVICE_OUT_AUX_DIGITAL, 8,
+              {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_ANLG_DOCK_HEADSET, 2,
+              {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_DGTL_DOCK_HEADSET, 2,
+              {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_USB_ACCESSORY, 2,
+              {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_USB_DEVICE, 2,
+              {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_FM, 2,
+              {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_FM_TX, 2,
+              {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_ANC_HEADSET, 2,
+              {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_ANC_HEADPHONE, 2,
+              {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},
+              {1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0} },
+};
+
+int update_ddp_endp_table(int device, int dev_ch_cap, int param_id,
+                          int param_val)
+{
+    int idx = 0;
+    int param_idx = 0;
+    ALOGV("%s: dev 0x%x dev_ch_cap %d param_id 0x%x param_val %d",
+           __func__, device, dev_ch_cap , param_id, param_val);
+
+    for(idx=0; idx<DDP_ENDP_NUM_DEVICES; idx++) {
+        if(ddp_endp_params[idx].device == device) {
+            if(ddp_endp_params[idx].dev_ch_cap == dev_ch_cap) {
+                break;
+            }
+        }
+    }
+
+    if(idx>=DDP_ENDP_NUM_DEVICES) {
+        ALOGE("%s: device not available in DDP endp config table", __func__);
+        return -EINVAL;
+    }
+
+    for(param_idx=0; param_idx<DDP_ENDP_NUM_PARAMS; param_idx++) {
+        if (ddp_endp_params_id[param_idx] == param_id) {
+            break;
+        }
+    }
+
+    if(param_idx>=DDP_ENDP_NUM_PARAMS) {
+        ALOGE("param not available in DDP endp config table");
+        return -EINVAL;
+    }
+
+    ALOGV("ddp_endp_params[%d].param_val[%d] = %d", idx, param_idx, param_val);
+    ddp_endp_params[idx].param_val[param_idx] = param_val;
+    return 0;
+}
+
+void send_ddp_endp_params_stream(struct stream_out *out,
+                                 int device, int dev_ch_cap,
+                                 bool set_cache)
+{
+    int idx, i;
+    int ddp_endp_params_data[2*DDP_ENDP_NUM_PARAMS + 1];
+    int length = 0;
+    for(idx=0; idx<DDP_ENDP_NUM_DEVICES; idx++) {
+        if(ddp_endp_params[idx].device & device) {
+            if(ddp_endp_params[idx].dev_ch_cap == dev_ch_cap) {
+                break;
+            }
+        }
+    }
+    if(idx>=DDP_ENDP_NUM_DEVICES) {
+        ALOGE("device not available in DDP endp config table");
+        return;
+    }
+
+    length += 1; /* offset 0 is for num of parameter. increase offset by 1 */
+    for (i=0; i<DDP_ENDP_NUM_PARAMS; i++) {
+        if(ddp_endp_params[idx].is_param_valid[i]) {
+            ddp_endp_params_data[length++] = ddp_endp_params_id[i];
+            ddp_endp_params_data[length++] = ddp_endp_params[idx].param_val[i];
+        }
+    }
+    ddp_endp_params_data[0] = (length-1)/2;
+    if(length) {
+        char mixer_ctl_name[128];
+        struct audio_device *adev = out->dev;
+        struct mixer_ctl *ctl;
+        int pcm_device_id = platform_get_pcm_device_id(out->usecase,
+                                                       PCM_PLAYBACK);
+        snprintf(mixer_ctl_name, sizeof(mixer_ctl_name),
+                 "Audio Stream %d Dec Params", pcm_device_id);
+        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;
+        }
+        mixer_ctl_set_array(ctl, ddp_endp_params_data, length);
+    }
+    return;
+}
+
+void send_ddp_endp_params(struct audio_device *adev,
+                          int ddp_dev, int dev_ch_cap)
+{
+    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 == PCM_PLAYBACK) &&
+            (usecase->devices & ddp_dev) &&
+            (usecase->stream.out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) &&
+            ((usecase->stream.out->format == AUDIO_FORMAT_AC3) ||
+             (usecase->stream.out->format == AUDIO_FORMAT_EAC3))) {
+            send_ddp_endp_params_stream(usecase->stream.out, ddp_dev,
+                                        dev_ch_cap, false /* set cache */);
+        }
+    }
+}
+
+void audio_extn_dolby_send_ddp_endp_params(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 == PCM_PLAYBACK) &&
+            (usecase->devices & AUDIO_DEVICE_OUT_ALL) &&
+            (usecase->stream.out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) &&
+            ((usecase->stream.out->format == AUDIO_FORMAT_AC3) ||
+             (usecase->stream.out->format == AUDIO_FORMAT_EAC3))) {
+            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 */);
+        }
+    }
+}
+
+void audio_extn_ddp_set_parameters(struct audio_device *adev,
+                                   struct str_parms *parms)
+{
+    int ddp_dev, dev_ch_cap;
+    int val, ret;
+    char value[32]={0};
+    ret = str_parms_get_str(parms, AUDIO_PARAMETER_DDP_DEV, value,
+                            sizeof(value));
+    if (ret >= 0) {
+        ddp_dev = atoi(value);
+        if (!(AUDIO_DEVICE_OUT_ALL & ddp_dev))
+            return;
+    } else
+        return;
+
+    ret = str_parms_get_str(parms, AUDIO_PARAMETER_DDP_CH_CAP, value,
+                            sizeof(value));
+    if (ret >= 0) {
+        dev_ch_cap = atoi(value);
+        if ((dev_ch_cap != 2) && (dev_ch_cap != 6) && (dev_ch_cap != 8))
+            return;
+    } else
+        return;
+
+    ret = str_parms_get_str(parms, AUDIO_PARAMETER_DDP_MAX_OUT_CHAN, value,
+                            sizeof(value));
+    if (ret >= 0) {
+        val = atoi(value);
+        update_ddp_endp_table(ddp_dev, dev_ch_cap,
+                              PARAM_ID_MAX_OUTPUT_CHANNELS, val);
+    }
+
+    ret = str_parms_get_str(parms, AUDIO_PARAMETER_DDP_OUT_MODE, value,
+                            sizeof(value));
+    if (ret >= 0) {
+        val = atoi(value);
+        update_ddp_endp_table(ddp_dev, dev_ch_cap,
+                              PARAM_ID_OUT_CTL_OUTMODE, val);
+    }
+
+    ret = str_parms_get_str(parms, AUDIO_PARAMETER_DDP_OUT_LFE_ON, value,
+                            sizeof(value));
+    if (ret >= 0) {
+        val = atoi(value);
+        update_ddp_endp_table(ddp_dev, dev_ch_cap,
+                              PARAM_ID_OUT_CTL_OUTLFE_ON, val);
+    }
+
+    ret = str_parms_get_str(parms, AUDIO_PARAMETER_DDP_COMP_MODE, value,
+                            sizeof(value));
+    if (ret >= 0) {
+        val = atoi(value);
+        update_ddp_endp_table(ddp_dev, dev_ch_cap,
+                              PARAM_ID_OUT_CTL_COMPMODE, val);
+    }
+
+    ret = str_parms_get_str(parms, AUDIO_PARAMETER_DDP_STEREO_MODE, value,
+                            sizeof(value));
+    if (ret >= 0) {
+        val = atoi(value);
+        update_ddp_endp_table(ddp_dev, dev_ch_cap,
+                              PARAM_ID_OUT_CTL_STEREO_MODE, val);
+    }
+
+    send_ddp_endp_params(adev, ddp_dev, dev_ch_cap);
+}
+
+int audio_extn_dolby_get_snd_codec_id(struct audio_device *adev,
+                                      struct stream_out *out,
+                                      audio_format_t format)
+{
+    int id = 0;
+
+    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 */);
+#ifndef DS1_DOLBY_DAP_ENABLED
+        audio_extn_dolby_set_dmid(adev);
+#endif
+        break;
+    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 */);
+#ifndef DS1_DOLBY_DAP_ENABLED
+        audio_extn_dolby_set_dmid(adev);
+#endif
+        break;
+    default:
+        ALOGE("%s: Unsupported audio format :%x", __func__, format);
+    }
+
+    return id;
+}
+
+bool audio_extn_is_dolby_format(audio_format_t format)
+{
+    if (format == AUDIO_FORMAT_AC3 ||
+            format == AUDIO_FORMAT_EAC3)
+        return true;
+    else
+        return false;
+}
+
+#endif /* DS1_DOLBY_DDP_ENABLED */
+
+#ifdef DS1_DOLBY_DAP_ENABLED
+void audio_extn_dolby_set_endpoint(struct audio_device *adev)
+{
+    struct listnode *node;
+    struct audio_usecase *usecase;
+    struct mixer_ctl *ctl;
+    const char *mixer_ctl_name = "DS1 DAP Endpoint";
+    int endpoint = 0, ret;
+    bool send = false;
+
+    list_for_each(node, &adev->usecase_list) {
+        usecase = node_to_item(node, struct audio_usecase, list);
+        if ((usecase->type == PCM_PLAYBACK) &&
+            (usecase->id != USECASE_AUDIO_PLAYBACK_LOW_LATENCY)) {
+            endpoint |= usecase->devices & AUDIO_DEVICE_OUT_ALL;
+            send = true;
+        }
+    }
+    if (!send)
+        return;
+
+    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;
+    }
+    ret = mixer_ctl_set_value(ctl, 0, endpoint);
+    if (ret)
+        ALOGE("%s: Dolby set endpint cannot be set error:%d",__func__, ret);
+
+    return;
+}
+#endif /* DS1_DOLBY_DAP_ENABLED */
+
+
+#if defined(DS1_DOLBY_DDP_ENABLED) || defined(DS1_DOLBY_DAP_ENABLED)
+void audio_extn_dolby_set_dmid(struct audio_device *adev)
+{
+    struct listnode *node;
+    struct audio_usecase *usecase;
+    struct mixer_ctl *ctl;
+    const char *mixer_ctl_name = "DS1 Security";
+    char c_dmid[128] = {0};
+    int i_dmid, ret;
+    bool send = false;
+
+    list_for_each(node, &adev->usecase_list) {
+        usecase = node_to_item(node, struct audio_usecase, list);
+        if ((usecase->type == PCM_PLAYBACK) &&
+            (usecase->id != USECASE_AUDIO_PLAYBACK_LOW_LATENCY))
+            send = true;
+    }
+    if (!send)
+        return;
+
+    property_get("dmid",c_dmid,"0");
+    i_dmid = atoi(c_dmid);
+
+    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;
+    }
+    ALOGV("%s Dolby device manufacturer id is:%d",__func__,i_dmid);
+    ret = mixer_ctl_set_value(ctl, 0, i_dmid);
+    if (ret)
+        ALOGE("%s: Dolby DMID cannot be set error:%d",__func__, ret);
+
+    return;
+}
+#endif /* DS1_DOLBY_DDP_ENABLED || DS1_DOLBY_DAP_ENABLED */
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 434b431..0f1edff 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -199,6 +199,10 @@
     else
         snd_device = usecase->out_snd_device;
 
+#ifdef DS1_DOLBY_DAP_ENABLED
+    audio_extn_dolby_set_dmid(adev);
+    audio_extn_dolby_set_endpoint(adev);
+#endif
     strcpy(mixer_path, use_case_table[usecase->id]);
     platform_add_backend_name(mixer_path, snd_device);
     ALOGV("%s: apply mixer path: %s", __func__, mixer_path);
@@ -1123,6 +1127,11 @@
         if (out->offload_callback)
             compress_nonblock(out->compr, out->non_blocking);
 
+#ifdef DS1_DOLBY_DDP_ENABLED
+        if (audio_extn_is_dolby_format(out->format))
+            audio_extn_dolby_send_ddp_endp_params(adev);
+#endif
+
         if (adev->visualizer_start_output != NULL)
             adev->visualizer_start_output(out->handle, out->pcm_device_id);
         if (adev->offload_effects_start_output != NULL)
@@ -2060,7 +2069,7 @@
             goto error_open;
         }
         if (!is_supported_format(config->offload_info.format) &&
-                !audio_extn_dolby_is_supported_format(config->offload_info.format)) {
+                !audio_extn_is_dolby_format(config->offload_info.format)) {
             ALOGE("%s: Unsupported audio format", __func__);
             ret = -EINVAL;
             goto error_open;
@@ -2083,9 +2092,10 @@
         out->stream.drain = out_drain;
         out->stream.flush = out_flush;
 
-        if (audio_extn_dolby_is_supported_format(config->offload_info.format))
+        if (audio_extn_is_dolby_format(config->offload_info.format))
             out->compr_config.codec->id =
-                audio_extn_dolby_get_snd_codec_id(config->offload_info.format);
+                audio_extn_dolby_get_snd_codec_id(adev, out,
+                                                  config->offload_info.format);
         else
             out->compr_config.codec->id =
                 get_snd_codec_id(config->offload_info.format);
@@ -2110,16 +2120,6 @@
         ALOGV("%s: offloaded output offload_info version %04x bit rate %d",
                 __func__, config->offload_info.version,
                 config->offload_info.bit_rate);
-
-        if (audio_extn_dolby_is_supported_format(out->format)) {
-            ret = audio_extn_dolby_set_DMID(adev);
-            if (ret != 0) {
-                ALOGE("%s: Dolby DMID cannot be set error:%d",
-                      __func__, ret);
-                goto error_open;
-            }
-        }
-
         //Decide if we need to use gapless mode by default
         set_gapless_mode(adev);
 
diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index 298c60d..54bda5a 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.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
@@ -391,6 +391,11 @@
     return device_id;
 }
 
+int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id)
+{
+    return -ENODEV;
+}
+
 int platform_send_audio_calibration(void *platform, snd_device_t snd_device)
 {
     struct platform_data *my_data = (struct platform_data *)platform;
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index c7896ae..b4d8c5d 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -31,6 +31,7 @@
 #include "platform.h"
 #include "audio_extn.h"
 #include "voice_extn.h"
+#include "platform_parser.h"
 
 #define MIXER_XML_PATH "/system/etc/mixer_paths.xml"
 #define MIXER_XML_PATH_AUXPCM "/system/etc/mixer_paths_auxpcm.xml"
@@ -222,7 +223,7 @@
 };
 
 /* ACDB IDs (audio DSP path configuration IDs) for each sound device */
-static const int acdb_device_table[SND_DEVICE_MAX] = {
+static int acdb_device_table[SND_DEVICE_MAX] = {
     [SND_DEVICE_NONE] = -1,
     [SND_DEVICE_OUT_HANDSET] = 7,
     [SND_DEVICE_OUT_SPEAKER] = 14,
@@ -240,7 +241,7 @@
     [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] = 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,
@@ -572,6 +573,9 @@
             my_data->acdb_init();
     }
 
+    /* Initialize ACDB ID's */
+    platform_info_init();
+
     /* If platform is apq8084 and baseband is MDM, load CSD Client specific
      * symbols. Voice call is handled by MDM and apps processor talks to
      * MDM through CSD Client
@@ -669,6 +673,22 @@
     return device_id;
 }
 
+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;
diff --git a/hal/msm8974/platform_parser.c b/hal/msm8974/platform_parser.c
new file mode 100644
index 0000000..8f86d97
--- /dev/null
+++ b/hal/msm8974/platform_parser.c
@@ -0,0 +1,161 @@
+/*
+ * 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 "platform_parser"
+#define LOG_NDDEBUG 0
+
+#include <errno.h>
+#include <stdio.h>
+#include <expat.h>
+#include <cutils/log.h>
+#include <audio_hw.h>
+#include <platform_api.h>
+#include "platform.h"
+#include "platform_parser.h"
+
+#define PLATFORM_XML_PATH        "/system/etc/platform_info.xml"
+#define BUF_SIZE                    1024
+
+static void process_device(void *userdata, const XML_Char **attr)
+{
+    unsigned int    *snd_device_index = userdata;
+
+    if (strcmp(attr[0], "name") != 0)
+        goto done;
+
+    if (platform_get_snd_device_name(*snd_device_index) == NULL)
+        goto next;
+    if (strcmp(attr[1], platform_get_snd_device_name(*snd_device_index)) != 0) {
+        ALOGE("%s: %s in platform.h at index %d does not match %s, from %s no ACDB ID set!",
+            __func__, platform_get_snd_device_name(*snd_device_index),
+            *snd_device_index, attr[1], PLATFORM_XML_PATH);
+        goto done;
+    }
+
+    if (strcmp(attr[2], "acdb_id") != 0) {
+        ALOGE("%s: Device %s at index %d in %s has no acdb_id, no ACDB ID set!",
+              __func__, attr[1], *snd_device_index, PLATFORM_XML_PATH);
+        goto done;
+    }
+
+    if(platform_set_snd_device_acdb_id(*snd_device_index,
+                                atoi((char *)attr[3])) != 0)
+        goto done;
+
+next:
+     (*snd_device_index)++;
+done:
+    return;
+}
+
+static void start_tag(void *userdata, const XML_Char *tag_name,
+                      const XML_Char **attr)
+{
+    const XML_Char              *attr_name = NULL;
+    const XML_Char              *attr_value = NULL;
+    unsigned int                i;
+
+    if (strcmp(tag_name, "device") == 0)
+        process_device(userdata, attr);
+
+    return;
+}
+
+static void end_tag(void *userdata, const XML_Char *tag_name)
+{
+
+}
+
+int platform_info_init(void)
+{
+    XML_Parser      parser;
+    FILE            *file;
+    int             ret = 0;
+    int             bytes_read;
+    unsigned int    snd_device_index = SND_DEVICE_MIN;
+    void            *buf;
+
+    file = fopen(PLATFORM_XML_PATH, "r");
+    if (!file) {
+        ALOGD("%s: Failed to open %s, using defaults.",
+            __func__, PLATFORM_XML_PATH);
+        ret = -ENODEV;
+        goto done;
+    }
+
+    parser = XML_ParserCreate(NULL);
+    if (!parser) {
+        ALOGE("%s: Failed to create XML parser!", __func__);
+        ret = -ENODEV;
+        goto err_close_file;
+    }
+
+    XML_SetUserData(parser, &snd_device_index);
+    XML_SetElementHandler(parser, start_tag, end_tag);
+
+    while (1) {
+        buf = XML_GetBuffer(parser, BUF_SIZE);
+        if (buf == NULL) {
+            ALOGE("%s: XML_GetBuffer failed", __func__);
+            ret = -ENOMEM;
+            goto err_free_parser;
+        }
+
+        bytes_read = fread(buf, 1, BUF_SIZE, file);
+        if (bytes_read < 0) {
+            ALOGE("%s: fread failed, bytes read = %d", __func__, bytes_read);
+             ret = bytes_read;
+            goto err_free_parser;
+        }
+
+        if (XML_ParseBuffer(parser, bytes_read,
+                            bytes_read == 0) == XML_STATUS_ERROR) {
+            ALOGE("%s: XML_ParseBuffer failed, for %s",
+                __func__, PLATFORM_XML_PATH);
+            ret = -EINVAL;
+            goto err_free_parser;
+        }
+
+        if (bytes_read == 0)
+            break;
+    }
+
+    if (snd_device_index != SND_DEVICE_MAX) {
+        ALOGE("%s: Only %d/%d ACDB ID's set! Fix %s!",
+            __func__, snd_device_index, SND_DEVICE_MAX, PLATFORM_XML_PATH);
+        ret = -EINVAL;
+    }
+
+err_free_parser:
+    XML_ParserFree(parser);
+err_close_file:
+    fclose(file);
+done:
+    return ret;
+}
diff --git a/hal/msm8974/platform_parser.h b/hal/msm8974/platform_parser.h
new file mode 100644
index 0000000..3e91934
--- /dev/null
+++ b/hal/msm8974/platform_parser.h
@@ -0,0 +1,35 @@
+/*
+ * 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.
+ */
+
+#ifndef AUDIO_PLATFORM_PARSER_H
+#define AUDIO_PLATFORM_PARSER_H
+
+int platform_info_init(void);
+
+#endif // AUDIO_PLATFORM_PARSER_H
diff --git a/hal/platform_api.h b/hal/platform_api.h
index 4096ef0..0b2c435 100644
--- a/hal/platform_api.h
+++ b/hal/platform_api.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
@@ -17,8 +17,8 @@
  * limitations under the License.
  */
 
-#ifndef QCOM_AUDIO_PLATFORM_API_H
-#define QCOM_AUDIO_PLATFORM_API_H
+#ifndef AUDIO_PLATFORM_API_H
+#define AUDIO_PLATFORM_API_H
 
 void *platform_init(struct audio_device *adev);
 void platform_deinit(void *platform);
@@ -27,6 +27,7 @@
                                       char *device_name);
 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_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);
 int platform_switch_voice_call_device_post(void *platform,
@@ -57,4 +58,4 @@
 
 bool platform_listen_update_status(snd_device_t snd_device);
 
-#endif // QCOM_AUDIO_PLATFORM_API_H
+#endif // AUDIO_PLATFORM_API_H
diff --git a/hal_mpq/audio_stream_out.c b/hal_mpq/audio_stream_out.c
index c475a1e..454b1d6 100644
--- a/hal_mpq/audio_stream_out.c
+++ b/hal_mpq/audio_stream_out.c
@@ -1051,23 +1051,19 @@
 }
 
 /*TODO: do we need to apply volume at the session open*/
-static int set_compress_volume(struct alsa_handle *handle, int left, int right)
+static int set_compress_volume(struct alsa_handle *handle, float left, float right)
 {
 
     struct audio_device *adev = handle->out->dev;
     struct mixer_ctl *ctl;
     int volume[2];
 
-    char mixer_ctl_name[44]; // max length of name is 44 as defined
-    char device_id[STRING_LENGTH_OF_INTEGER+1];
+    char mixer_ctl_name[MIXER_PATH_MAX_LENGTH];
+    ALOGV("%s:setting volume l %f r %f ", __func__, left, right);
 
     memset(mixer_ctl_name, 0, sizeof(mixer_ctl_name));
-    strlcpy(mixer_ctl_name, "Compress Playback Volume", sizeof(mixer_ctl_name));
-
-    memset(device_id, 0, sizeof(device_id));
-    snprintf(device_id, "%d", handle->device_id, sizeof(device_id));
-
-    strlcat(mixer_ctl_name, device_id, sizeof(mixer_ctl_name));
+    snprintf(mixer_ctl_name, sizeof(mixer_ctl_name),
+          "Compress Playback %d Volume", handle->device_id);
 
     ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
     if (!ctl) {
@@ -1075,8 +1071,8 @@
                 __func__, mixer_ctl_name);
         return -EINVAL;
     }
-    volume[0] = (int)(left * COMPRESS_PLAYBACK_VOLUME_MAX);
-    volume[1] = (int)(right * COMPRESS_PLAYBACK_VOLUME_MAX);
+    volume[0] = (int)(left * (float) COMPRESS_PLAYBACK_VOLUME_MAX);
+    volume[1] = (int)(right * (float) COMPRESS_PLAYBACK_VOLUME_MAX);
     mixer_ctl_set_array(ctl, volume, sizeof(volume)/sizeof(volume[0]));
 
     return 0;
@@ -1709,8 +1705,8 @@
     uc_info->out_snd_device = SND_DEVICE_NONE;
 
     /* This must be called before adding this usecase to the list */
-    //if (out->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL)
-    //    check_and_set_hdmi_channels(adev, out->config.channels);
+    if (out->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL)
+        check_and_set_hdmi_channels(adev, handle->config.channels);
 
     list_add_tail(&adev->usecase_list, &uc_info->list);
 
@@ -2105,7 +2101,7 @@
     struct alsa_handle *handle;
     struct audio_device *adev = out->dev;
     int ret = -ENOSYS;
-    ALOGV("%s", __func__);
+    ALOGV("%s:setting volume l %f r %f ", __func__, left, right);
     pthread_mutex_lock(&out->lock);
     list_for_each(node, &out->session_list) {
         handle = node_to_item(node, struct alsa_handle, list);
@@ -2118,7 +2114,7 @@
             out->left_volume = left;
             out->right_volume = right;
 
-            //ret = set_compress_volume(handle, left, right);
+            ret = set_compress_volume(handle, left, right);
         }
     }
     pthread_mutex_unlock(&out->lock);
diff --git a/hal_mpq/mpq8092/platform.c b/hal_mpq/mpq8092/platform.c
index 3c1b4f7..6c50034 100644
--- a/hal_mpq/mpq8092/platform.c
+++ b/hal_mpq/mpq8092/platform.c
@@ -176,6 +176,7 @@
     [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",
+    [SND_DEVICE_OUT_SPDIF] = "spdif",
 
     /* Capture sound devices */
     [SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
@@ -249,6 +250,7 @@
     [SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET] = 26,
     [SND_DEVICE_OUT_ANC_HANDSET] = 103,
     [SND_DEVICE_OUT_SPEAKER_PROTECTED] = 101,
+    [SND_DEVICE_OUT_SPDIF] = 18,
 
     [SND_DEVICE_IN_HANDSET_MIC] = 4,
     [SND_DEVICE_IN_HANDSET_MIC_AEC] = 106,
@@ -607,6 +609,8 @@
         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_SPDIF)
+        strlcat(mixer_path, " spdif", MIXER_PATH_MAX_LENGTH);
 }
 
 int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type)
@@ -897,6 +901,8 @@
         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_SPDIF) {
+        snd_device = SND_DEVICE_OUT_SPDIF;
     } else {
         ALOGE("%s: Unknown device(s) %#x", __func__, devices);
     }
diff --git a/hal_mpq/mpq8092/platform.h b/hal_mpq/mpq8092/platform.h
index 2a81df5..562f979 100644
--- a/hal_mpq/mpq8092/platform.h
+++ b/hal_mpq/mpq8092/platform.h
@@ -74,6 +74,7 @@
     SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET,
     SND_DEVICE_OUT_ANC_HANDSET,
     SND_DEVICE_OUT_SPEAKER_PROTECTED,
+    SND_DEVICE_OUT_SPDIF,
     SND_DEVICE_OUT_END,
 
     /*