[alsa-devel] [PATCH 3/5] [RFC] ALSA ASOC Adds DSP DAI format support for platform driver
jarkko.nikula at nokia.com
Tue Sep 30 15:11:38 CEST 2008
On Tue, 30 Sep 2008 12:11:45 +0530
"ext Arun KS" <arunks at mistralsolutions.com> wrote:
> > I think this is not enough. The word clock length equals to one BCLK
> > cycle in DSP mode. Not n channel bit BCLK cycles like in I2S.
> In DSP Mode, Frame sync is followed by two data words.
> I tested this patch and its working. Am i missing something ?
I meant length of FS/LRC[IN | OUT] signal itself. E.g. see figures 3-7
and 3-8 in AIC23 data manual:
Now omap-mcbsp.c sets this FS length to 16 BCLK periods in
omap_mcbsp_dai_hw_params. Currently code is pretty much tailored for
16-bit stereo I2S so probably some McBSP configuration bits are better
set in another function than currently :-)
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