audio_policy_configuration.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!-- Copyright (C) 2017 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.
-->

<audioPolicyConfiguration version="1.0" xmlns:xi="http://www.w3.org/2001/XInclude">
    <globalConfiguration speaker_drc_enabled="false"/>

    <modules>
        <module name="primary" halVersion="2.0">
            <mixPorts>
                <mixPort name="primary output" role="source">
                    <profile name="" format="AUDIO_FORMAT_PCM_8_24_BIT"
                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                </mixPort>
                <mixPort name="multichannel output" role="source" flags="AUDIO_OUTPUT_FLAG_DIRECT">
                    <profile name=""/>
                </mixPort>
                <mixPort name="primary input" 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"/>
                </mixPort>
            </mixPorts>
            <devicePorts>
                <devicePort tagName="HDMI Out" type="AUDIO_DEVICE_OUT_AUX_DIGITAL" role="sink">
                </devicePort>

                <devicePort tagName="Wired Headset Mic" type="AUDIO_DEVICE_IN_WIRED_HEADSET" role="source">
                </devicePort>
            </devicePorts>
            <routes>
                <route type="mix" sink="HDMI Out"
                       sources="primary output,multichannel output"/>
                <route type="mix" sink="primary input"
                       sources="Wired Headset Mic"/>
            </routes>
        </module>

        <module name="stub" halVersion="2.0">
            <attachedDevices>
                <item>Default Out</item>
            </attachedDevices>
            <defaultOutputDevice>Default Out</defaultOutputDevice>
            <mixPorts>
                <mixPort name="stub output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY">
                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                </mixPort>
            </mixPorts>
            <devicePorts>
                <devicePort tagName="Default Out" type="AUDIO_DEVICE_OUT_STUB" role="sink">
                </devicePort>
            </devicePorts>
            <routes>
                <route type="mix" sink="Default Out" sources="stub output"/>
            </routes>
        </module>

        <!-- A2dp Audio HAL -->
        <xi:include href="a2dp_audio_policy_configuration.xml"/>

        <!-- Usb Audio HAL -->
        <xi:include href="usb_audio_policy_configuration.xml"/>

        <!-- Remote Submix Audio HAL -->
        <xi:include href="r_submix_audio_policy_configuration.xml"/>

    </modules>

    <!-- Volume section -->
    <xi:include href="audio_policy_volumes.xml"/>
    <xi:include href="default_volume_tables.xml"/>

</audioPolicyConfiguration>