[RFC PATCH 12/14] sound: soc: qcom: qusb6: Ensure PCM format is supported by USB audio device

[Mark Brown]

On Fri, Dec 23, 2022 at 03:31:58PM -0800, Wesley Cheng wrote:

> Check for if the PCM format is supported during the hw_params callback.  If
> the profile is not supported then the userspace ALSA entity will receive an
> error, and can take further action.

Ideally we'd wire up constraints for this but that gets complicated with
DPCM so it's probably disproportionate effort.  Otherwise other than the
subject lines not using ASoC on this and the previous change I don't
have any issues that other people didn't raise, but then most of the
complication is in the USB bits.
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