# Audio Bringup

The following diagram shows the audio bringup process.

![](data:image/png;base64,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)  

For detailed information on MI2S, see [MI2S configuration](https://docs.qualcomm.com/bundle/resource/topics/80-70014-16A/mi2s_configuration.html).

## Verify ADSP is initialized

Locate the following log marker to verify that the PIL has loaded the application DSP
                (aDSP) image successfully:

    [    7.816174] remoteproc remoteproc1: Booting fw image qcom/qcm6490/adsp.mdt, size 7332
    [    8.063332] remoteproc remoteproc1: remote processor 3000000.remoteproc is now up
    [   18.581373] spf-core-platform soc@0:spf-core-platform: spf_core_add_child_devices: apm is up
    [   18.822671] qcom-soundwire 3250000.soundwire: Qualcomm Soundwire controller v1.6.0 Registered
    [   18.824072] wsa883x-codec sdw:0:0217:0202:00:2: WSA883X Version 1_1, Variant: WSA8835_V2
    [   18.829857] wsa883x-codec sdw:0:0217:0202:00:1: WSA883X Version 1_1, Variant: WSA8835_V2
    Copy to clipboard

If the ADSP fails to load, consider re-flashing the device.

## Verify WSA registration

1. Verify codec registration:

        ssh root@ip-addr
        ls /sys/bus/soundwire/drivers/wsa883x-codec
        Copy to clipboard
2. Locate the following entries for the
                    WSA:

        sdw:0:0217:0202:00:1
        sdw:0:0217:0202:00:2
        Copy to clipboard

If the WSA is not registered, re-connect the speakers and reboot the device.

## Verify sound card registration

The sound card must be enumerated after the digital audio interface links are mapped.
                To register the sound card:

1. Verify sound card registration:

        ssh root@ip-addr
        cat /proc/asound/cards
        Copy to clipboard
2. Locate the sound card name `qcm6490-rb3-snd-card`.

If sound card registration fails, re-flash the device.

## Verify record and playback

To verify record at driver level, run the following
                commands:

    ssh root@ip-addr
    systemctl stop pulseaudio
    tinymix set 'VA DMIC MUX0' DMIC0
    tinymix set 'VA_AIF1_CAP Mixer DEC0' 1
    tinymix set 'VA_DEC0 Volume' 100
    agmcap /opt/test.wav -D 100 -d 101 -c 1 -r 48000 -b 16 -i CODEC_DMA-LPAIF_VA-TX-0 -dkv 0xA3000004 -skv 0xB1000009 -dppkv 0 -ikv 0 -T 10
    Copy to clipboard

To pull the recorded file, run the following command on the host
                machine:

    scp root@[ip-addr]:/data/test.wavCopy to clipboard

To perform playback, first push the .wav file to the device using the following
                commands:

    scp test.wav root@[ip-addr]:/data/Copy to clipboard

Run the following commands to initiate playback:

    ssh root@ip-addr 
    systemctl stop pulseaudio
    scp test.wav root@[ip-addr]:/data/
    ssh root@ip-addr
    tinymix set 'SpkrLeft PA Volume' 20
    tinymix set 'WSA RX0 MUX' AIF1_PB
    tinymix set 'WSA_RX0 INP0' RX0
    tinymix set 'WSA_COMP1 Switch' 1
    tinymix set 'SpkrLeft WSA MODE' 0
    tinymix set 'SpkrLeft COMP Switch' 1
    tinymix set 'SpkrLeft BOOST Switch' 1
    tinymix set 'SpkrLeft DAC Switch' 1
    tinymix set 'SpkrLeft VISENSE Switch' 0
    tinymix set 'WSA_RX0 Digital Volume'  85
    tinymix set 'SpkrRight WSA MODE' 0
    tinymix set 'SpkrRight PA Volume' 20
    tinymix set 'WSA RX1 MUX' AIF1_PB
    tinymix set 'WSA_RX1 INP0' RX1
    tinymix set 'WSA_COMP2 Switch' 1
    tinymix set 'SpkrRight COMP Switch' 1
    tinymix set 'SpkrRight BOOST Switch' 1
    tinymix set 'SpkrRight DAC Switch' 1
    tinymix set 'SpkrRight VISENSE Switch' 0
    tinymix set 'WSA_RX1 Digital Volume'  85
    agmplay /opt/test.wav -D 100 -d 100 -i CODEC_DMA-LPAIF_WSA-RX-0
    Copy to clipboard

Start PulseAudio using the following commands once the above use cases are
                verified:

    ssh root@ip-addr
    systemctl start pulseaudio
    Copy to clipboard

Last Published: Jul 15, 2024

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