[alsa-devel] [PATCH 1/2] ASoC: omap-mcbsp: Correct the DSP_B mode

Mark Brown broonie at sirena.org.uk
Tue Apr 14 11:31:33 CEST 2009

On Tue, Apr 14, 2009 at 12:02:21PM +0300, Jarkko Nikula wrote:

> The pairs must mach. It's clearly a bug if another end is have to set
> different polarity than another. Those polarity defines are with
> respect to the mode, not e.g. what's the McBSP default.

Indeed.  However, the osk5912 board file that Peter pointed at as not
needing any modifications for DSP_B already uses inverted frame clock
for both CODEC and CPU.  In that case either both are wrong or it's just
that the driver is limited in what it supports which is not a problem.

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