Re: [PATCH v26 28/33] ALSA: usb-audio: qcom: Introduce QC USB SND offloading support

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> +/* Stream disable request timeout during USB device disconnect */
> +#define DEV_RELEASE_WAIT_TIMEOUT 10000 /* in ms */

10s really? That seems rather large for a stream disable timeout...

> +static struct snd_usb_platform_ops offload_ops = {
> +	.connect_cb = qc_usb_audio_offload_probe,
> +	.disconnect_cb = qc_usb_audio_offload_disconnect,
> +	.suspend_cb = qc_usb_audio_offload_suspend,
> +};

You probably want to explain why there's no .resume_cb?

The comments mention also that the suspend_cb has to stop playback, but
then who resumes playback :-)






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