From: Vasily Khoruzhick <anarsoul@gmail.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: alsa-devel <alsa-devel@alsa-project.org>,
Philipp Zabel <philipp.zabel@gmail.com>,
Liam Girdwood <lrg@slimlogic.co.uk>
Subject: Re: [PATCH 1/2] ASoC: uda1380: make driver more powersave-friendly
Date: Sat, 28 Aug 2010 12:17:39 +0300 [thread overview]
Message-ID: <201008281217.47892.anarsoul@gmail.com> (raw)
In-Reply-To: <20100828091435.GC9324@opensource.wolfsonmicro.com>
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В сообщении от 28 августа 2010 12:14:46 автор Mark Brown написал:
> On Sat, Aug 28, 2010 at 12:07:54PM +0300, Vasily Khoruzhick wrote:
> > It seems that you misunderstood me, chip defaults are ok for first power
> > up, but resume is not first power up and codec defaults differ from
> > cache, so we want to sync cache with codec regs on resume, but it is not
> > possible to sync mixer regs until i2s clock is not applied, so we just
> > mark them as dirty to sync them later (just before playback, when i2s
> > clock is already applied)
>
> The normal flow for this is to mark things as dirty when you cut the
> power rather than in one particular restore path - that is more robust
> against code changes which alter the set of situations which can turn
> off the power.
Ok, sounds reasonable.
Regards
Vasily
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next prev parent reply other threads:[~2010-08-28 9:18 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-28 7:49 [PATCH 0/2] ASoC: Add iPAQ RX1950 sound support Vasily Khoruzhick
2010-08-28 7:49 ` [PATCH 1/2] ASoC: uda1380: make driver more powersave-friendly Vasily Khoruzhick
2010-08-28 8:56 ` Mark Brown
2010-08-28 9:07 ` Vasily Khoruzhick
2010-08-28 9:14 ` Mark Brown
2010-08-28 9:17 ` Vasily Khoruzhick [this message]
2010-08-28 11:34 ` [PATCH v2 " Vasily Khoruzhick
2010-08-28 7:49 ` [PATCH 2/2] ASoC: Add HP iPAQ RX1950 support Vasily Khoruzhick
2010-08-28 8:31 ` Vasily Khoruzhick
2010-08-28 8:37 ` [PATCH v2 " Vasily Khoruzhick
2010-08-28 8:46 ` Vasily Khoruzhick
2010-08-28 8:54 ` [PATCH v3 " Vasily Khoruzhick
2010-08-28 9:06 ` Mark Brown
2010-08-28 9:28 ` Vasily Khoruzhick
2010-08-31 10:45 ` Mark Brown
2010-08-28 11:37 ` Vasily Khoruzhick
2010-08-29 9:31 ` Vasily Khoruzhick
2010-08-29 13:54 ` Mark Brown
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