redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

ASoC: davinci-mcasp: Support for DSP_A format

Browse source 
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>
This commit is contained in:
Peter Ujfalusi 2014-04-04 14:31:43 +03:00 committed by Mark Brown
parent 6dfa9a4e6a
commit 188edc59c2
1 changed files with 7 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
sound/soc/davinci/davinci-mcasp.c
View file

@ -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);