[alsa-devel] [PATCH] ASoC: core: Fix race in dapm_power_widgets
broonie at opensource.wolfsonmicro.com
Sat Nov 6 16:10:55 CET 2010
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.
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