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

Jarkko Nikula jhnikula at gmail.com
Sun Feb 13 10:25:01 CET 2011

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:

commit 9abea08e43c6cfc18399e42cbc6028d111532f61
"OMAP: McBSP: Provide functions for ASoC frame syncronization"
commit ca6e2ce08679c094878d7f39a0349a7db1d13675
"ASoC: Always syncronize audio transfers on frames"


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