config/audio/audio_policy_configuration_sec.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<audioPolicyConfiguration version="1.0" xmlns:xi="http://www.w3.org/2001/XInclude">
    <globalConfiguration speaker_drc_enabled="false"/>

    <modules>
        <module name="primary" halVersion="3.0">
            <attachedDevices>
                <item>Speaker</item>
                <item>Built-In Mic</item>
                <item>Built-In Back Mic</item>
               <!--<item>Built-In 2 Mic</item>-->
                <item>Telephony Rx</item>
            </attachedDevices>

            <defaultOutputDevice>Speaker</defaultOutputDevice>

            <mixPorts>
                <mixPort name="primary-out" flags="AUDIO_OUTPUT_FLAG_PRIMARY|AUDIO_OUTPUT_FLAG_DEEP_BUFFER" role="source">
                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                </mixPort>

                <mixPort name="fast" flags="AUDIO_OUTPUT_FLAG_FAST" role="source">
                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                </mixPort>

                <mixPort name="hdmi" flags="AUDIO_OUTPUT_FLAG_MULTI_CH" role="source">
                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_5POINT1"/>
                </mixPort>

                <mixPort name="mmap_no_irq_out" flags="AUDIO_OUTPUT_FLAG_DIRECT|AUDIO_OUTPUT_FLAG_MMAP_NOIRQ" role="source">
                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                </mixPort>

                <mixPort name="compressed_offload" flags="AUDIO_OUTPUT_FLAG_DIRECT|AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD|AUDIO_OUTPUT_FLAG_NON_BLOCKING" role="source">
                    <profile name="" format="AUDIO_FORMAT_MP3"
                             samplingRates="11025,16000,22050,32000,44100,48000"
                             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"/>
                </mixPort>

                <mixPort name="primary-in" 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_IN_VOICE_UPLINK,AUDIO_CHANNEL_IN_VOICE_DNLINK"/>
                </mixPort>

                <mixPort name="mmap_no_irq_in" flags="AUDIO_INPUT_FLAG_MMAP_NOIRQ" 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"/>
                </mixPort>
            </mixPorts>

            <devicePorts>
                <devicePort tagName="Speaker" type="AUDIO_DEVICE_OUT_SPEAKER" role="sink" address="">
                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                </devicePort>
                <devicePort tagName="Wired Headset" type="AUDIO_DEVICE_OUT_WIRED_HEADSET" role="sink">
                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                </devicePort>
                <devicePort tagName="Wired Headphones" type="AUDIO_DEVICE_OUT_WIRED_HEADPHONE" role="sink">
                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                             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="8000,16000,48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                </devicePort>
                <devicePort tagName="BT SCO Headset" type="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET" role="sink">
                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                             samplingRates="8000,16000,48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                </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="8000,16000,48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                </devicePort>
                <devicePort tagName="Aux Device Out" type="AUDIO_DEVICE_OUT_AUX_DIGITAL" role="sink">
                    <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,AUDIO_CHANNEL_OUT_2POINT1,AUDIO_CHANNEL_OUT_QUAD,AUDIO_CHANNEL_OUT_PENTA,AUDIO_CHANNEL_OUT_5POINT1,AUDIO_CHANNEL_OUT_6POINT1,AUDIO_CHANNEL_OUT_7POINT1"/>
                </devicePort>

                <devicePort tagName="Built-In Mic" type="AUDIO_DEVICE_IN_BUILTIN_MIC" role="source">
                    <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_IN_VOICE_UPLINK,AUDIO_CHANNEL_IN_VOICE_DNLINK"/>
                </devicePort>
                <devicePort tagName="Built-In Back Mic" type="AUDIO_DEVICE_IN_BACK_MIC" role="source">
                    <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_IN_VOICE_UPLINK,AUDIO_CHANNEL_IN_VOICE_DNLINK"/>
                </devicePort>
                <!--<devicePort tagName="Built-In 2 Mic" type="AUDIO_DEVICE_IN_2MIC" role="source">
                    <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_IN_VOICE_UPLINK,AUDIO_CHANNEL_IN_VOICE_DNLINK"/>
                </devicePort>-->
                <devicePort tagName="Wired Headset Mic" type="AUDIO_DEVICE_IN_WIRED_HEADSET" role="source">
                    <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_IN_VOICE_UPLINK,AUDIO_CHANNEL_IN_VOICE_DNLINK"/>
                </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="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                             channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK,AUDIO_CHANNEL_IN_VOICE_UPLINK,AUDIO_CHANNEL_IN_VOICE_DNLINK"/>
                </devicePort>
                <devicePort tagName="Telephony Rx" type="AUDIO_DEVICE_IN_TELEPHONY_RX" role="source">
                </devicePort>
                <devicePort tagName="FM Tuner" type="AUDIO_DEVICE_IN_FM_TUNER" role="source">
                    <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_IN_VOICE_UPLINK,AUDIO_CHANNEL_IN_VOICE_DNLINK"/>
                </devicePort>
                <devicePort tagName="Aux Device In" type="AUDIO_DEVICE_IN_AUX_DIGITAL" role="source">
                    <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_IN_VOICE_UPLINK,AUDIO_CHANNEL_IN_VOICE_DNLINK"/>
                </devicePort>
            </devicePorts>

            <routes>
                <route sink="Speaker" type="mix"
                       sources="primary-out,fast,mmap_no_irq_out"/>
                <route sink="Wired Headset" type="mix"
                       sources="primary-out,fast,compressed_offload,mmap_no_irq_out"/>
                <route sink="Wired Headphones" type="mix"
                       sources="primary-out,fast,compressed_offload,mmap_no_irq_out"/>
                <route sink="BT SCO" type="mix"
                       sources="primary-out,fast"/>
                <route sink="BT SCO Headset" type="mix"
                       sources="primary-out,fast"/>
                <route sink="BT SCO Car Kit" type="mix"
                       sources="primary-out,fast"/>
                <route sink="Aux Device Out" type="mix"
                       sources="hdmi"/>

                <!--<route sink="primary-in" type="mix"
                       sources="Built-In Mic,Built-In Back Mic,Built-In 2 Mic,Wired Headset Mic,BT SCO Headset Mic,Telephony Rx,FM Tuner,Aux Device In"/>-->

                <route sink="mmap_no_irq_in" type="mix"
                       sources="Built-In Mic,Built-In Back Mic,Wired Headset Mic"/>
            </routes>
        </module>

        <xi:include href="a2dp_in_audio_policy_configuration.xml"/>
        <xi:include href="hearing_aid_audio_policy_configuration.xml"/>
        <!--<xi:include href="playback_record_audio_policy_configuration.xml"/>-->
        <xi:include href="r_submix_audio_policy_configuration.xml"/>
        <!--<xi:include href="tms_audio_policy_configuration.xml"/>-->
        <xi:include href="usb_audio_policy_configuration.xml"/>

       <xi:include href="audio_policy_volumes.xml"/>
       <xi:include href="default_volume_tables.xml"/>
       <xi:include href="/vendor/etc/bluetooth_audio_policy_configuration.xml"/>
    </modules>
</audioPolicyConfiguration>