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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2014-04-04 14:31:43 +0300
committerMark Brown <broonie@linaro.org>2014-04-14 17:24:24 +0100
commit188edc59c297fcd971d6a4ae5f5f5dacff7b315b (patch)
tree453b5154536a260901aaaa5c155f48c3102e9295 /sound/soc/davinci/davinci-mcasp.c
parent6dfa9a4e6aacba70bff24c47871ac9aba3e76020 (diff)
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ASoC: davinci-mcasp: Support for DSP_A format
DSP_A is like DSP_B mode but with one bit delay after the FS. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/davinci/davinci-mcasp.c')
-rw-r--r--sound/soc/davinci/davinci-mcasp.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index f0c98653bfe7..58b6d47cc8f8 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -275,6 +275,13 @@ static int davinci_mcasp_set_dai_fmt(struct snd_soc_dai *cpu_dai,
pm_runtime_get_sync(mcasp->dev);
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_A:
+ mcasp_clr_bits(mcasp, DAVINCI_MCASP_TXFMCTL_REG, FSXDUR);
+ mcasp_clr_bits(mcasp, DAVINCI_MCASP_RXFMCTL_REG, FSRDUR);
+
+ /* 1st data bit occur one ACLK cycle after the frame sync */
+ data_delay = 1;
+ break;
case SND_SOC_DAIFMT_DSP_B:
case SND_SOC_DAIFMT_AC97:
mcasp_clr_bits(mcasp, DAVINCI_MCASP_TXFMCTL_REG, FSXDUR);