Audio Porting

Sound Card Device Configuration

The corresponding sound card device is configured in the following file:

layers/meta-qcom-hwe/recipes-kernel/linux/linux-qcom-custom/kernel-source/arch/arm64/boot/dts/qcom/qcm6490-idp.dts

sound: sound {
    compatible = "qcom,qcm6490-idp-sndcard";
    model = "QCM6490-IDP";
};

PipeWire Audio

Audio is managed with PipeWire.

Recording

wpctl status
wpctl set-default <sink/source node ID>
pw-record /tmp/record.wav -v

Set the recording volume:

wpctl set-volume @DEFAULT_AUDIO_SOURCE@ 0.8

Playback

wpctl status
wpctl set-default <sink/source node ID>
pw-play /opt/test.wav -v

Set the playback volume:

wpctl set-volume @DEFAULT_AUDIO_SINK@ 0.8