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From: Takashi Iwai <tiwai@suse.de>
To: Mark Brown <broonie@kernel.org>
Cc: Peter Rosin <peda@axentia.se>,
	alsa-devel@alsa-project.org, Liam Girdwood <lgirdwood@gmail.com>,
	Jaroslav Kysela <perex@perex.cz>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ASoC: pcm: allow changing the playback/capture rates for symmetric links
Date: Thu, 28 Apr 2016 13:26:49 +0200	[thread overview]
Message-ID: <s5h1t5qug7a.wl-tiwai@suse.de> (raw)
In-Reply-To: <20160428111001.GK3217@sirena.org.uk>

On Thu, 28 Apr 2016 13:10:01 +0200,
Mark Brown wrote:
> 
> On Thu, Apr 28, 2016 at 01:03:22PM +0200, Takashi Iwai wrote:
> > Mark Brown wrote:
> 
> > > Lots of things just don't work with OSS, we stopped caring about it
> > > years ago.  The configuration mechanism just doesn't play nicely with
> > > dynamic constraints at all.
> 
> > True, but looking at the code there, I wonder how only OSS hits.
> > Does ALSA-native API really work as is...?
> 
> We've had the code for years without anyone reporting issues so...  the
> idiomatic ALSA thing is to set everything in one call which helps a lot.

Yes, most of such problems come from the inconsistent hw constraints,
and one-shot configuration helps indeed.  But, in this case, it
appears more like an overlooked case to me.

BTW, this reminds me of another question: don't we have a dummy ASoC
driver like snd-dummy?  It would be convenient for a casual API
testing.


thanks,

Takashi

  reply	other threads:[~2016-04-28 11:26 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-27  8:49 [PATCH] ASoC: pcm: allow changing the playback/capture rates for symmetric links Peter Rosin
2016-04-27 16:15 ` Mark Brown
2016-04-27 20:45   ` Peter Rosin
2016-04-28 10:38     ` Mark Brown
2016-04-28 11:03       ` Takashi Iwai
2016-04-28 11:10         ` Mark Brown
2016-04-28 11:26           ` Takashi Iwai [this message]
2016-04-28 11:41             ` Mark Brown
2016-04-28 12:02               ` Takashi Iwai
2016-04-28 17:13                 ` Mark Brown
2016-05-02  7:43       ` Peter Rosin
2016-05-04 16:49         ` Mark Brown
2016-05-09 12:17           ` [alsa-devel] " Takashi Iwai

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