From: Daniel Mack <zonque@gmail.com>
To: alsa-devel@alsa-project.org
Subject: Re: [PATCH] ALSA: ASoC: cs4720: use snd_soc_cache_sync()
Date: Tue, 22 Nov 2011 16:41:42 +0100 [thread overview]
Message-ID: <4ECBC2B6.5050606@gmail.com> (raw)
In-Reply-To: <4ECBC1D6.9090301@freescale.com>
On 11/22/2011 04:37 PM, Timur Tabi wrote:
> Mark Brown wrote:
>> That's very odd, not ringing any bells at all. It's not like the
>> existing code is trying to do anything clever with skipping writes,
>> it just blasts in all the register values and it's affecting two
>> different registers.
>
> Is there a quick-and-dirty way to test suspend/resume? It's not
> officially supported on our board with a CS4270, so I never tried it,
> and I'm not familiar with it.
>
echo mem > /sys/power/state
But in our case, the codec is powered off completely, so you might have
a very different power regulator setup on your board. And that might
cause the bug not to show up, as it retains its register values over
suspend.
Daniel
next prev parent reply other threads:[~2011-11-22 15:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-22 13:45 [PATCH] ALSA: ASoC: cs4720: use snd_soc_cache_sync() Daniel Mack
2011-11-22 14:02 ` Mark Brown
2011-11-22 15:23 ` Daniel Mack
2011-11-22 15:35 ` Mark Brown
2011-11-22 15:37 ` Timur Tabi
2011-11-22 15:41 ` Daniel Mack [this message]
2011-11-22 15:43 ` Mark Brown
2011-11-22 15:44 ` Daniel Mack
2011-11-22 15:47 ` Timur Tabi
2011-11-22 15:57 ` Daniel Mack
2011-11-22 16:12 ` Timur Tabi
2011-11-22 15:53 ` Mark Brown
2011-11-22 16:04 ` Daniel Mack
2011-11-22 16:08 ` Mark Brown
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