From: jiujin.hong@mid-fun.com (tommy)
To: linux-arm-kernel@lists.infradead.org
Subject: about ARM11 WM9715 no sound when resume
Date: Thu, 22 Oct 2009 18:45:22 +0800 [thread overview]
Message-ID: <1256208322.23498.1.camel@tommy-desktop> (raw)
In-Reply-To: <20091022103927.GB3776@sirena.org.uk>
hi,brown!
It can playback mp3 from start to end,also can't indicate its clock is
ok ?
On ?, 2009-10-22 at 11:39 +0100, Mark Brown wrote:
> On Thu, Oct 22, 2009 at 10:58:09AM +0800, tommy wrote:
> > Platform:Linux 2.6.24.2
>
> This is a very old kernel, I would strongly recommend upgrading to
> something more current, it will make it much easier for you to seek
> upstream support.
>
> > When MCU resume from suspend,no sound but can also
> > playback from start to end!
> > It has sound only by modifing sound setting applicantion
> > program!
>
> The wm971x ASoC drivers have suspend and resume support which is fairly
> widely used on a number of platforms. However, there may be problems
> with the CPU drivers. As a first step I would suggest checking to make
> sure that the master clock to the CODEC is restarted after resume and
> that the AC97 link is succesfully restarted.
>
next prev parent reply other threads:[~2009-10-22 10:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-22 2:58 about ARM11 WM9715 no sound when resume tommy
2009-10-22 10:39 ` Mark Brown
2009-10-22 10:45 ` tommy [this message]
2009-10-22 10:59 ` Mark Brown
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