Re: [PATCH AUTOSEL 6.11 109/244] ASoC: soc-pcm: Indicate warning if dpcm_playback/capture were used for availability limition

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On Wed, Sep 25, 2024 at 02:13:21PM +0200, Mark Brown wrote:
On Wed, Sep 25, 2024 at 07:25:30AM -0400, Sasha Levin wrote:
From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>

[ Upstream commit fd69dfe6789f4ed46d1fdb52e223cff83946d997 ]

I have been wondering why DPCM needs special flag (= dpcm_playback/capture)
to use it. Below is the history why it was added to ASoC.

...

Because of these history, this dpcm_xxx is unneeded flag today. But because
we have been used it for 10 years since (B), it may have been used
differently. For example some DAI available both playback/capture, but it
set dpcm_playback flag only, in this case dpcm_xxx flag is used as
availability limitation. We can use playback_only flag instead in this
case, but it is very difficult to find such DAI today.

Let's add grace time to remove dpcm_playback/capture flag.

This patch don't use dpcm_xxx flag anymore, and indicates warning to use
xxx_only flag if both playback/capture were available but using only
one of dpcm_xxx flag, and not using xxx_only flag.

This is a cleanup/refactoring preparation patch, I can see no reason why
it would be considered for stable.

Dropped, thanks!

--
Thanks,
Sasha




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