Re: [PATCH 0/2] ALSA: compress: Cleanup and a potential fix

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On Thu, 15 Jul 2021 09:56:59 +0200,
Ujfalusi, Peter wrote:
> 
> 
> 
> On 7/15/2021 10:51, Péter Ujfalusi wrote:
> > 
> > 
> > On 15/07/2021 06:39, Vinod Koul wrote:
> >> On 14-07-21, 18:24, Takashi Iwai wrote:
> >>> Hi,
> >>>
> >>> this series contains a couple of patches for compress-offload API, one
> >>> for a cleanup of unused API functions and another for the proper mutex
> >>> initialization.  I stumbled on the second while doing the first.
> >>
> >> Thanks for the cleanup. We never have a compress only device and it is a
> >> mix of PCM and compress FEs mostly :)
> > 
> > Actually I'm working on a series where a card would only contain nothing
> > else but a compr, no PCMs...
> 
> and I should have replied from here ;)
> 
> I'm preparing to split up the SOF into IPC clients [1] and the probes
> support (which is using compress API) is going to be moved as a separate
> client, creating it's own sound card with the single comprCxD0 (and the
> controlCx).
> 
> Is this cleanup going to prevent this?

Unless you use snd_compress_register() function, nothing can break.
And if you were to use the function together with ASoC, it must be
very wrong :)


Takashi



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