The DSP format wasn't still correct in OMAP McBSP DAI even after the commit bd25867a6cbe7a00ef7dbe8d9ddebc91b00b9b3f.
Thanks to Peter Ujfalusi peter.ujfalusi@nokia.com for noticing and being part of the fix. Now the FS length definition is more clear by defining it with FWID(0).
Signed-off-by: Jarkko Nikula jarkko.nikula@nokia.com Cc: Peter Ujfalusi peter.ujfalusi@nokia.com --- sound/soc/omap/omap-mcbsp.c | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index 9c09b94..90f4df7 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -283,7 +283,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, break; case SND_SOC_DAIFMT_DSP_B: regs->srgr2 |= FPER(wlen * channels - 1); - regs->srgr1 |= FWID(wlen * channels - 2); + regs->srgr1 |= FWID(0); break; }
@@ -302,6 +302,7 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai, { struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs; + unsigned int temp_fmt = fmt;
if (mcbsp_data->configured) return 0; @@ -328,6 +329,8 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai, /* 0-bit data delay */ regs->rcr2 |= RDATDLY(0); regs->xcr2 |= XDATDLY(0); + /* Invert FS polarity configuration */ + temp_fmt ^= SND_SOC_DAIFMT_NB_IF; break; default: /* Unsupported data format */ @@ -351,7 +354,7 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai, }
/* Set bit clock (CLKX/CLKR) and FS polarities */ - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + switch (temp_fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: /* * Normal BCLK + FS.