[PATCH v2 1/2] ASoC: dt-bindings: fsl_rpmsg: List DAPM endpoints ignoring system suspend

Mark Brown broonie at kernel.org
Wed Sep 27 19:29:39 AEST 2023

On Wed, Sep 27, 2023 at 03:07:49AM +0000, Chancel Liu wrote:

> > This is a fairly standard DSP playback case as far as I can see so it
> > should work with DAPM without needing this obviously use case specific
> > stuff peering into the Linux implementation.  Generally this is done by
> > tagging endpoint widgets and DAIs as ignore_suspend, DAPM will then
> > figure out the rest of the widgets in the path.

> Yes, indeed I meant to let driver get DAPM endpoints from the "fsl,lpa-widgets"
> property and then set these endpoints as ignore_suspend if the sound card is
> running in this use case. Do you think the description for the use case can be
> simplified since it's a common use case?

This is a card problem - the driver for rpmsg shouldn't need to worry
about it.  Any bindings extensions should be at the card level rather
than in a specific driver, we could probably use something in the
generic properties that they're all using.
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