From 188edc59c297fcd971d6a4ae5f5f5dacff7b315b Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Fri, 4 Apr 2014 14:31:43 +0300 Subject: [PATCH] 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 Signed-off-by: Mark Brown --- sound/soc/davinci/davinci-mcasp.c | 7 +++++++ 1 file changed, 7 insertions(+) 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); -- 2.39.5