From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Omair Mohammed Abdullah <omair.m.abdullah@linux.intel.com>
Cc: alsa-devel@alsa-project.org, lrg@ti.com,
Ramesh Babu <ramesh.babu@intel.com>
Subject: Re: ASoC:Question rate constraint between the dais
Date: Fri, 16 Mar 2012 19:22:33 +0000 [thread overview]
Message-ID: <20120316192231.GI3158@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <4F63105E.3080705@linux.intel.com>
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On Fri, Mar 16, 2012 at 03:35:18PM +0530, Omair Mohammed Abdullah wrote:
> You are right to say that it is not a machine constraint but a codec
> constraint. The problem is that if a DAI (say the "SN95031 Headset
> DAI") is opened with a 44.1 khz rate, then another DAI (say "SN95031
> Voice") is opened with a 48 khz rate, then we need to reject the
> second open because the codec cannot support both rates at the same
> time.
> Is there any way to do this with constraint_lists? The way it is
> done in the wm8988 driver does not apply here because there it is a
> single DAI.
There's a way to do this, and it's the way that the WM8988 driver is
doing it - obviously you'll have different criteria for choosing
constraints but the actual application of the constraints is going to be
done in the same way.
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next prev parent reply other threads:[~2012-03-16 19:22 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-15 9:53 ASoC:Question rate constraint between the dais Ramesh Babu
2012-03-15 17:53 ` Mark Brown
2012-03-15 21:28 ` Trent Piepho
2012-03-16 19:25 ` Mark Brown
2012-03-16 20:00 ` Lars-Peter Clausen
2012-03-17 11:41 ` Mark Brown
2012-03-17 13:00 ` Clemens Ladisch
[not found] ` <9DF50024A2F6A5439EBFE2E74F4E9198055254@BGSMSX101.gar.corp.intel.com>
2012-03-16 10:05 ` Omair Mohammed Abdullah
2012-03-16 19:22 ` Mark Brown [this message]
2012-03-16 22:01 ` Trent Piepho
2012-03-17 11:48 ` Mark Brown
2012-03-17 19:49 ` Trent Piepho
2012-03-17 20:31 ` Mark Brown
2012-03-18 6:22 ` Jassi Brar
2012-03-18 21:27 ` Mark Brown
2012-03-19 16:12 ` James Courtier-Dutton
2012-03-19 16:32 ` Mark Brown
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