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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Liam Girdwood <lrg@ti.com>
Cc: alsa-devel@alsa-project.org, Misael Lopez Cruz <misael.lopez@ti.com>
Subject: Re: [PATCH] ASoC: dapm: Fix locking during codec shutdown
Date: Fri, 6 Jul 2012 17:43:44 +0100	[thread overview]
Message-ID: <20120706164344.GH4017@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1341592575.4963.7.camel@odin>

On Fri, Jul 06, 2012 at 05:36:15PM +0100, Liam Girdwood wrote:

> I don't think there is anything explicitly stopping a power off from
> happening during a stream shutdown atm without this patch. It was
> reported to me that this would fail 1 in 20 times on a certain device
> and that the above patch fixed the issue (1200 tests completed OK after
> the patch).

> I do think we need this patch atm since we are accessing the same
> resources as the stream event.

So how is suspend and resume safe, for example?  It's the same general
path through the PM core.

  reply	other threads:[~2012-07-06 16:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-06 15:57 [PATCH] ASoC: dapm: Fix locking during codec shutdown Liam Girdwood
2012-07-06 16:02 ` Mark Brown
2012-07-06 16:36   ` Liam Girdwood
2012-07-06 16:43     ` Mark Brown [this message]
2012-07-06 17:10       ` Liam Girdwood
2012-07-06 17:20         ` Mark Brown
2012-07-06 18:03 ` Mark Brown

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