diff options
| author | Peter Ujfalusi <peter.ujfalusi@nokia.com> | 2009-04-15 16:38:56 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-04-16 17:04:10 +0400 |
| commit | 3ba191ce051a32b20757f063120496e860ea8f9d (patch) | |
| tree | d80b632ae8027d26ed336805e21e96c8759e6550 /sound/soc/omap/omap-mcbsp.c | |
| parent | c29b206ffd0700acb2dc1fdb70856cc4b907216c (diff) | |
| download | linux-3ba191ce051a32b20757f063120496e860ea8f9d.tar.xz | |
ASoC: OMAP: Add DSP_A mode support for mcbsp
DSP_A mode is similar to the DSP_B, but the MSB is delayed with
one bclk (appears after the FS pulse and not under it).
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
| -rw-r--r-- | sound/soc/omap/omap-mcbsp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index 402a1eb7bd3f..2b4a8da09918 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -287,6 +287,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, regs->srgr2 |= FPER(wlen * channels - 1); regs->srgr1 |= FWID(wlen - 1); break; + case SND_SOC_DAIFMT_DSP_A: case SND_SOC_DAIFMT_DSP_B: regs->srgr2 |= FPER(wlen * channels - 1); regs->srgr1 |= FWID(wlen * channels - 2); @@ -330,6 +331,13 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai, regs->rcr2 |= RDATDLY(1); regs->xcr2 |= XDATDLY(1); break; + case SND_SOC_DAIFMT_DSP_A: + /* 1-bit data delay */ + regs->rcr2 |= RDATDLY(1); + regs->xcr2 |= XDATDLY(1); + /* Invert FS polarity configuration */ + temp_fmt ^= SND_SOC_DAIFMT_NB_IF; + break; case SND_SOC_DAIFMT_DSP_B: /* 0-bit data delay */ regs->rcr2 |= RDATDLY(0); |