[PATCH] ASoC: core: restore dpcm flags semantics

[Mark Brown]

On Fri, Jul 31, 2020 at 02:16:43PM +0200, Jerome Brunet wrote:

> One last thing I'd like to understand. Is this behavior of throwing an
> error going to applied to the non-DPCM case as well ? so at least thing
> are consistent between both cases ?

> IOW:
>  * An error is now throw if dpcm_capture is set on the link and the CPU
>  DAI support playback_only

We should definitely complain about that.

>  * on non-DPCM links, will an error be thrown as well if playback_only
>  is not set and the CPU on the link happen to not support capture ?

I think we should move towards not needing to do that for DPCM.
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