services/audiopolicy/config/le_audio_policy_configuration.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- Le Audio HAL Audio Policy Configuration file -->
<module name="bluetooth" halVersion="2.1">
    <mixPorts>
        <mixPort name="le audio output" role="source">
            <profile name="" format="AUDIO_FORMAT_PCM_16_BIT,AUDIO_FORMAT_PCM_24_BIT,AUDIO_FORMAT_PCM_32_BIT"
                     samplingRates="8000,16000,24000,32000,44100,48000"
                     channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
        </mixPort>
    </mixPorts>
    <devicePorts>
        <devicePort tagName="BLE Headset Out" type="AUDIO_DEVICE_OUT_BLE_HEADSET" role="sink"/>
        <devicePort tagName="BLE Speaker Out" type="AUDIO_DEVICE_OUT_BLE_SPEAKER" role="sink"/>
    </devicePorts>
    <routes>
        <route type="mix" sink="BLE Headset Out" sources="le audio output"/>
        <route type="mix" sink="BLE Speaker Out" sources="le audio output"/>
    </routes>
</module>