diff --git a/audio/audio_policy_configuration.xml b/audio/audio_policy_configuration.xml
index c9a303d..f269e48 100644
--- a/audio/audio_policy_configuration.xml
+++ b/audio/audio_policy_configuration.xml
@@ -3,10 +3,13 @@
      Not a Contribution.
 -->
 <!-- Copyright (C) 2015 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.
@@ -15,7 +18,7 @@
 -->
 
 <audioPolicyConfiguration version="1.0" xmlns:xi="http://www.w3.org/2001/XInclude">
-    <!-- version section contains a "version" tag in the form "major.minor" e.g version="1.0" -->
+    <!-- version section contains a “version” tag in the form “major.minor” e.g version=”1.0” -->
 
     <!-- Global configuration Decalaration -->
     <globalConfiguration speaker_drc_enabled="true"/>
@@ -23,24 +26,24 @@
 
     <!-- Modules section:
         There is one section per audio HW module present on the platform.
-        Each module section will contains two mandatory tags for audio HAL "halVersion" and "name".
+        Each module section will contains two mandatory tags for audio HAL “halVersion” and “name”.
         The module names are the same as in current .conf file:
-                "primary", "A2DP", "remote_submix", "USB"
+                “primary”, “A2DP”, “remote_submix”, “USB”
         Each module will contain the following sections:
-        "devicePorts": a list of device descriptors for all input and output devices accessible via this
+        “devicePorts”: a list of device descriptors for all input and output devices accessible via this
         module.
         This contains both permanently attached devices and removable devices.
-        "mixPorts": listing all output and input streams exposed by the audio HAL
-        "routes": list of possible connections between input and output devices or between stream and
+        “mixPorts”: listing all output and input streams exposed by the audio HAL
+        “routes”: list of possible connections between input and output devices or between stream and
         devices.
             "route": is defined by an attribute:
                 -"type": <mux|mix> means all sources are mutual exclusive (mux) or can be mixed (mix)
                 -"sink": the sink involved in this route
                 -"sources": all the sources than can be connected to the sink via vis route
-        "attachedDevices": permanently attached devices.
+        “attachedDevices”: permanently attached devices.
         The attachedDevices section is a list of devices names. The names correspond to device names
         defined in <devicePorts> section.
-        "defaultOutputDevice": device to be used by default when no policy rule applies
+        “defaultOutputDevice”: device to be used by default when no policy rule applies
     -->
     <modules>
         <!-- Primary Audio HAL -->
@@ -70,10 +73,6 @@
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
-                <mixPort name="mmap_no_irq_out" role="source" flags="AUDIO_OUTPUT_FLAG_DIRECT|AUDIO_OUTPUT_FLAG_MMAP_NOIRQ">
-                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
-                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
-                </mixPort>
                 <mixPort name="hifi_playback" role="source" />
                 <mixPort name="compress_passthrough" role="source"
                         flags="AUDIO_OUTPUT_FLAG_DIRECT|AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD|AUDIO_OUTPUT_FLAG_NON_BLOCKING">
@@ -118,6 +117,15 @@
                     <profile name="" format="AUDIO_FORMAT_AAC_HE_V2"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000"
                              channelMasks="AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_MONO"/>
+                    <profile name="" format="AUDIO_FORMAT_AC3"
+                             samplingRates="32000,44100,48000"
+                             channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_2POINT1,AUDIO_CHANNEL_OUT_QUAD,AUDIO_CHANNEL_OUT_PENTA,AUDIO_CHANNEL_OUT_5POINT1"/>
+                    <profile name="" format="AUDIO_FORMAT_E_AC3"
+                             samplingRates="32000,44100,48000"
+                             channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_2POINT1,AUDIO_CHANNEL_OUT_QUAD,AUDIO_CHANNEL_OUT_PENTA,AUDIO_CHANNEL_OUT_5POINT1,AUDIO_CHANNEL_OUT_6POINT1,AUDIO_CHANNEL_OUT_7POINT1"/>
+                    <profile name="" format="AUDIO_FORMAT_E_AC3_JOC"
+                             samplingRates="32000,44100,48000"
+                             channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_2POINT1,AUDIO_CHANNEL_OUT_QUAD,AUDIO_CHANNEL_OUT_PENTA,AUDIO_CHANNEL_OUT_5POINT1,AUDIO_CHANNEL_OUT_6POINT1,AUDIO_CHANNEL_OUT_7POINT1"/>
                     <profile name="" format="AUDIO_FORMAT_DTS"
                              samplingRates="32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_2POINT1,AUDIO_CHANNEL_OUT_QUAD,AUDIO_CHANNEL_OUT_PENTA,AUDIO_CHANNEL_OUT_5POINT1"/>
@@ -166,6 +174,11 @@
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
                 </mixPort>
+                <mixPort name="surround_sound" role="sink">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
+                             channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK,AUDIO_CHANNEL_INDEX_MASK_3,AUDIO_CHANNEL_INDEX_MASK_4,AUDIO_CHANNEL_IN_5POINT1,AUDIO_CHANNEL_INDEX_MASK_6"/>
+                </mixPort>
                 <mixPort name="record_24" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_24_BIT_PACKED"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,96000,192000"
@@ -181,11 +194,6 @@
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,16000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO"/>
                 </mixPort>
-                <mixPort name="mmap_no_irq_in" role="sink" flags="AUDIO_INPUT_FLAG_MMAP_NOIRQ">
-                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
-                             samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
-                             channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK,AUDIO_CHANNEL_INDEX_MASK_3"/>
-                </mixPort>
                 <mixPort name="hifi_input" role="sink" />
             </mixPorts>
 
@@ -212,10 +220,16 @@
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT SCO" type="AUDIO_DEVICE_OUT_BLUETOOTH_SCO" role="sink">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000" channelMasks="AUDIO_CHANNEL_OUT_MONO"/>
                 </devicePort>
                 <devicePort tagName="BT SCO Headset" type="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET" role="sink">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000" channelMasks="AUDIO_CHANNEL_OUT_MONO"/>
                 </devicePort>
                 <devicePort tagName="BT SCO Car Kit" type="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT" role="sink">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000" channelMasks="AUDIO_CHANNEL_OUT_MONO"/>
                 </devicePort>
                 <devicePort tagName="Telephony Tx" type="AUDIO_DEVICE_OUT_TELEPHONY_TX" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
@@ -233,28 +247,13 @@
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
-                <devicePort tagName="BT A2DP Out" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP" role="sink"
-                            encodedFormats="AUDIO_FORMAT_LDAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_AAC AUDIO_FORMAT_SBC">
-                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
-                             samplingRates="44100,48000,88200,96000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
-                </devicePort>
-                <devicePort tagName="BT A2DP Headphones" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES" role="sink"
-                            encodedFormats="AUDIO_FORMAT_LDAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_AAC AUDIO_FORMAT_SBC">
-                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
-                             samplingRates="44100,48000,88200,96000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
-                </devicePort>
-                <devicePort tagName="BT A2DP Speaker" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER" role="sink"
-                            encodedFormats="AUDIO_FORMAT_LDAC AUDIO_FORMAT_APTX AUDIO_FORMAT_APTX_HD AUDIO_FORMAT_AAC AUDIO_FORMAT_SBC">
-                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
-                             samplingRates="44100,48000,88200,96000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
-                </devicePort>
                 <devicePort tagName="USB Device Out" type="AUDIO_DEVICE_OUT_USB_DEVICE" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
-                             samplingRates="44100,48000,64000,88200,96000,128000,176400,192000" channelMasks="dynamic"/>
+                             samplingRates="44100,48000,64000,88200,96000,128000,176400,192000" channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="USB Headset Out" type="AUDIO_DEVICE_OUT_USB_HEADSET" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
-                             samplingRates="44100,48000,64000,88200,96000,128000,176400,192000" channelMasks="dynamic"/>
+                             samplingRates="44100,48000,64000,88200,96000,128000,176400,192000" channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
 
                 <!-- Input devices declaration, i.e. Source DEVICE PORT -->
@@ -279,29 +278,39 @@
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK"/>
                 </devicePort>
                 <devicePort tagName="BT SCO Headset Mic" type="AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET" role="source">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
                 </devicePort>
                 <devicePort tagName="Telephony Rx" type="AUDIO_DEVICE_IN_TELEPHONY_RX" role="source">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,16000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
                 </devicePort>
                 <devicePort tagName="USB Device In" type="AUDIO_DEVICE_IN_USB_DEVICE" role="source">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="44100,48000,64000,88200,96000,128000,176400,192000" channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
+                    <profile name="" format="AUDIO_FORMAT_PCM_8_24_BIT"
+                             samplingRates="44100,48000,64000,88200,96000,128000,176400,192000" channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="USB Headset In" type="AUDIO_DEVICE_IN_USB_HEADSET" role="source">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="44100,48000,64000,88200,96000,128000,176400,192000" channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
+                    <profile name="" format="AUDIO_FORMAT_PCM_8_24_BIT"
+                             samplingRates="44100,48000,64000,88200,96000,128000,176400,192000" channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
 
             </devicePorts>
             <!-- route declaration, i.e. list all available sources for a given sink -->
             <routes>
                 <route type="mix" sink="Earpiece"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Speaker"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Wired Headset"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,dsd_compress_passthrough,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,dsd_compress_passthrough,voip_rx"/>
                 <route type="mix" sink="Wired Headphones"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,dsd_compress_passthrough,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,dsd_compress_passthrough,voip_rx"/>
                 <route type="mix" sink="Line"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,dsd_compress_passthrough,voip_rx,mmap_no_irq_out"/>
+                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,dsd_compress_passthrough,voip_rx"/>
                 <route type="mix" sink="HDMI"
                        sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,compress_passthrough"/>
                 <route type="mix" sink="Proxy"
@@ -315,9 +324,9 @@
                 <route type="mix" sink="BT SCO Car Kit"
                        sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx"/>
                 <route type="mix" sink="USB Device Out"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out,hifi_playback"/>
+                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,hifi_playback"/>
                 <route type="mix" sink="USB Headset Out"
-                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,mmap_no_irq_out,hifi_playback"/>
+                       sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,hifi_playback"/>
                 <route type="mix" sink="Telephony Tx"
                        sources="voice_tx"/>
                 <route type="mix" sink="voice_rx"
@@ -325,45 +334,82 @@
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic"/>
+                <route type="mix" sink="surround_sound"
+                       sources="Built-In Mic,Built-In Back Mic"/>
                 <route type="mix" sink="record_24"
                        sources="Built-In Mic,Built-In Back Mic,Wired Headset Mic"/>
-                <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,Built-In Back Mic,Wired Headset Mic,USB Device In,USB Headset In"/>
-                <route type="mix" sink="BT A2DP Out"
-                       sources="primary output,deep_buffer,direct_pcm,compressed_offload"/>
-                <route type="mix" sink="BT A2DP Headphones"
-                       sources="primary output,deep_buffer,direct_pcm,compressed_offload"/>
-                <route type="mix" sink="BT A2DP Speaker"
-                       sources="primary output,deep_buffer,direct_pcm,compressed_offload"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
             </routes>
 
         </module>
 
-        <!-- A2DP Audio HAL -->
+        <!-- A2DP Input Audio HAL -->
         <module name="a2dp" halVersion="2.0">
             <mixPorts>
                 <mixPort name="a2dp input" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
-                             samplingRates="44100,48000" channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO"/>
+                             samplingRates="44100,48000"
+                             channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO"/>
                 </mixPort>
             </mixPorts>
-
             <devicePorts>
-              <devicePort tagName="BT A2DP In" type="AUDIO_DEVICE_IN_BLUETOOTH_A2DP" role="source">
-                  <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
-                           samplingRates="44100,48000"
-                           channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO"/>
-              </devicePort>
+                <devicePort tagName="BT A2DP In" type="AUDIO_DEVICE_IN_BLUETOOTH_A2DP" role="source">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="44100,48000"
+                             channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO"/>
+                </devicePort>
             </devicePorts>
-
             <routes>
                 <route type="mix" sink="a2dp input"
                        sources="BT A2DP In"/>
             </routes>
         </module>
 
+        <!-- Bluetooth Audio HAL Audio Policy Configuration file -->
+        <module name="bluetooth" halVersion="2.0">
+            <mixPorts>
+                <!-- A2DP Audio Ports -->
+                <mixPort name="a2dp output" role="source"/>
+                <!-- Hearing AIDs Audio Ports -->
+                <mixPort name="hearing aid output" role="source">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="24000,16000"
+                             channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+            </mixPorts>
+            <devicePorts>
+                <!-- A2DP Audio Ports -->
+                <devicePort tagName="BT A2DP Out" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP" role="sink">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="44100,48000,88200,96000"
+                             channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </devicePort>
+                <devicePort tagName="BT A2DP Headphones" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES" role="sink">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="44100,48000,88200,96000"
+                             channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </devicePort>
+                <devicePort tagName="BT A2DP Speaker" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER" role="sink">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="44100,48000,88200,96000"
+                             channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </devicePort>
+                <!-- Hearing AIDs Audio Ports -->
+                <devicePort tagName="BT Hearing Aid Out" type="AUDIO_DEVICE_OUT_HEARING_AID" role="sink"/>
+            </devicePorts>
+            <routes>
+                <route type="mix" sink="BT A2DP Out"
+                       sources="a2dp output"/>
+                <route type="mix" sink="BT A2DP Headphones"
+                       sources="a2dp output"/>
+                <route type="mix" sink="BT A2DP Speaker"
+                       sources="a2dp output"/>
+                <route type="mix" sink="BT Hearing Aid Out"
+                       sources="hearing aid output"/>
+            </routes>
+        </module>
+
         <!-- Usb Audio HAL -->
         <module name="usb" halVersion="2.0">
             <mixPorts>