[alsa-devel] Channel swapping issue on TI OMAP3/TWL4030

peter.ujfalusi at nokia.com peter.ujfalusi at nokia.com
Sun Feb 13 10:48:00 CET 2011

> ________________________________________
> From: alsa-devel-bounces at alsa-project.org [alsa-devel-bounces at alsa-project.org] on behalf of ext Jarkko Nikula [jhnikula at gmail.com]
> Sent: Sunday, February 13, 2011 11:25
> To: ylin at mail.com
> Cc: alsa-devel at alsa-project.org
> Subject: Re: [alsa-devel] Channel swapping issue on TI OMAP3/TWL4030
> On Sat, 12 Feb 2011 11:16:42 -0500
> ylin at mail.com wrote:
> > We are using a customized TI OMAP3 with TWL4030, similar to OMAP3EVM
> > board.  We noticed occasionally (after bring up few hours) the mic
> > channel  audio is swapped.  Has anyone seen similar problem? Any
> > suggestion where the problem might be?
> >
> Is this with recent kernels? There were this channel swapping problem
> before but it got fixed by Eero Nurkkala for the 2.6.32 kernel by
> following commits:

This is something different.
The channel swapping/shifting issue was affecting the playback
stream only.


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