From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
Peter Ujfalusi <peter.ujfalusi@nokia.com>
Subject: Re: [PATCH] ASoC: core: Fix race in dapm_power_widgets
Date: Sat, 6 Nov 2010 11:10:55 -0400 [thread overview]
Message-ID: <20101106151055.GA26711@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1289041206.3318.12.camel@odin>
On Sat, Nov 06, 2010 at 11:00:06AM +0000, Liam Girdwood wrote:
> I think we need to consider non CODEC components too that have DAPM
> controls (and have no CODEC mutex). i.e OMAP4 ABE.
> I'll try and look into this later as part of the OMAP4 upstream. Ideally
> a card/DAPM mutex may be more desirable here.
Another option is to just move the mutex up to the card level so we
don't need mutexes on the individual objects. I think we're going to
need to lock at the card level to do cross-object DAPM sequences, and if
we do that we may not need to bother with anything more fine grained.
prev parent reply other threads:[~2010-11-06 15:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-04 8:16 [PATCH] ASoC: core: Fix race in dapm_power_widgets Peter Ujfalusi
2010-11-04 9:51 ` Liam Girdwood
2010-11-04 13:43 ` Mark Brown
2010-11-04 14:18 ` Peter Ujfalusi
2010-11-04 18:08 ` Mark Brown
2010-11-05 7:53 ` Peter Ujfalusi
2010-11-05 14:38 ` Mark Brown
2010-11-06 11:00 ` Liam Girdwood
2010-11-06 15:10 ` Mark Brown [this message]
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