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ASoC: omap-mcbsp: Support SND_SOC_DAIFMT_CBM_CFS for omap3/4

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Add SND_SOC_DAIFMT_CBM_CFS support for omap3/omap4. The patch was tested on
a pandaboard-es board connected to the pcm1792a codec. mcbspx_fsx must
configured as output and mcbspx_clkx must be configured as input.

Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Michael Trimarchi 2013-07-21 18:24:01 +02:00 committed by Mark Brown
parent b0e0a4d6fa
commit 6e20b0d760
1 changed files with 5 additions and 0 deletions
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5
sound/soc/omap/omap-mcbsp.c
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@ -433,6 +433,11 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
/* Sample rate generator drives the FS */
regs->srgr2 |= FSGM;
break;
case SND_SOC_DAIFMT_CBM_CFS:
/* McBSP slave. FS clock as output */
regs->srgr2 |= FSGM;
regs->pcr0 |= FSXM;
break;
case SND_SOC_DAIFMT_CBM_CFM:
/* McBSP slave */
break;