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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2015-02-12 17:41:26 +0300
committerMark Brown <broonie@kernel.org>2015-02-14 07:27:03 +0300
commit226e2f1b0bb4a5f724dd119c1eeb8b8e89e87fab (patch)
tree226a98d18805a3438ad657f24299a343b2a743bf /sound
parentf4c2e9bcb0be4ee1c8722853e4faaaf6a9423d72 (diff)
downloadlinux-226e2f1b0bb4a5f724dd119c1eeb8b8e89e87fab.tar.xz
ASoC: davinci-mcasp: Add support for CBS_CFM mode
Support for setups where codec is bitclock slave and frame master. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/davinci/davinci-mcasp.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index de3b155a5011..031c1fb44ae7 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -441,6 +441,18 @@ static int davinci_mcasp_set_dai_fmt(struct snd_soc_dai *cpu_dai,
mcasp_set_bits(mcasp, DAVINCI_MCASP_PDIR_REG, AFSX | AFSR);
mcasp->bclk_master = 1;
break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ /* codec is clock slave and frame master */
+ mcasp_set_bits(mcasp, DAVINCI_MCASP_ACLKXCTL_REG, ACLKXE);
+ mcasp_clr_bits(mcasp, DAVINCI_MCASP_TXFMCTL_REG, AFSXE);
+
+ mcasp_set_bits(mcasp, DAVINCI_MCASP_ACLKRCTL_REG, ACLKRE);
+ mcasp_clr_bits(mcasp, DAVINCI_MCASP_RXFMCTL_REG, AFSRE);
+
+ mcasp_set_bits(mcasp, DAVINCI_MCASP_PDIR_REG, ACLKX | ACLKR);
+ mcasp_clr_bits(mcasp, DAVINCI_MCASP_PDIR_REG, AFSX | AFSR);
+ mcasp->bclk_master = 1;
+ break;
case SND_SOC_DAIFMT_CBM_CFS:
/* codec is clock master and frame slave */
mcasp_clr_bits(mcasp, DAVINCI_MCASP_ACLKXCTL_REG, ACLKXE);