Re: [PATCH v3 2/3] ASoC: soc-pcm: Indicate warning if CPU / Codec availability mismatch

[Mark Brown <broonie@xxxxxxxxxx>]

On Tue, May 21, 2024 at 11:03:41AM -0500, Pierre-Louis Bossart wrote:
> On 5/21/24 10:12, Mark Brown wrote:
> > On Tue, May 21, 2024 at 08:43:09AM -0500, Pierre-Louis Bossart wrote:

> > This is something we could do properly if we had full digital routing
> > rather than bolting things on the side of the CPU<->CODEC model - having
> > these things where we have to take a CODEC into account even though
> > we're not actually using it is one of the big issues with DPCM.

> No disagreement here, these echo references and loopbacks are ugly to
> support with the dependency between playback and capture directions that
> isn't well handled, e.g. if someone starts to capture before playback
> started.

> For now we're kind of stuck, what I would suggest is just to remove the
> extra check that both CPU and codec dai can support a direction, and
> move on with the other cleanups suggested by Morimoto-san.

Oh, I agree - my point is that as things stand the framework really
can't cope with what needs expressing so we need these things that don't
look quite right.

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