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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
	"lrg@slimlogic.co.uk" <lrg@slimlogic.co.uk>
Subject: Re: [RFC 0/2] soc-dapm or TWL4030: Runtime DAPM ordering problem
Date: Tue, 3 Aug 2010 16:02:54 +0100	[thread overview]
Message-ID: <20100803150254.GF25306@rakim.wolfsonmicro.main> (raw)
In-Reply-To: <201008031209.25585.peter.ujfalusi@nokia.com>

On Tue, Aug 03, 2010 at 12:09:10PM +0300, Peter Ujfalusi wrote:
> On Tuesday 03 August 2010 11:39:44 ext Mark Brown wrote:

> > I think there's something useful we can do with DAPM here (independantly
> > of anything in TWL4030), probably involving splitting up the routing
> > change walk to run power down first and then power up but the current
> > patch feels like it's going to cause at least as many problems as it
> > solves.

> I tend to agree. The patch for the core is quite dramatic change, and it can 
> introduce other types of problems.
> But... It would make the actual register write sequence consistent in all cases.

The power and route configuration settings aren't really part of the
same sequence, though - other widgets can also trigger power changes,
and obviously a route change need not imply a power change.

      reply	other threads:[~2010-08-03 15:02 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-02  7:08 [RFC 0/2] soc-dapm or TWL4030: Runtime DAPM ordering problem Peter Ujfalusi
2010-08-02  7:08 ` [RFC 1/2] ASoC: soc-dapm: Reorder DAPM register write sequence Peter Ujfalusi
2010-08-02  7:08 ` [RFC 2/2] ASoC: TWL4030: Capture route runtime DAPM ordering fix Peter Ujfalusi
2010-08-02 10:27 ` [RFC 0/2] soc-dapm or TWL4030: Runtime DAPM ordering problem Mark Brown
2010-08-02 10:59   ` Peter Ujfalusi
2010-08-03  2:56     ` Mark Brown
2010-08-03  6:15       ` Peter Ujfalusi
2010-08-03  8:39         ` Mark Brown
2010-08-03  9:09           ` Peter Ujfalusi
2010-08-03 15:02             ` Mark Brown [this message]

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