The TDM mode using PCM format now has two-bit right shift due to the format configuration in the driver. According to Figure 4-13 in the CS53L30 datasheet, using ASP_SCLK_INV = 0 and SHIFT_LEFT = 1 should be the correct combination to create one-bit right shift for the DSP type A format. Signed-off-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx> --- sound/soc/codecs/cs53l30.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/cs53l30.c b/sound/soc/codecs/cs53l30.c index fd5502e..2c0d9c4 100644 --- a/sound/soc/codecs/cs53l30.c +++ b/sound/soc/codecs/cs53l30.c @@ -592,8 +592,12 @@ static int cs53l30_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) aspctl1 |= CS53L30_ASP_TDM_PDN; break; case SND_SOC_DAIFMT_DSP_A: - /* Clear TDM_PDN and SHIFT_LEFT, invert SCLK */ - aspcfg |= CS53L30_ASP_SCLK_INV; + /* + * Clear TDM_PDN to turn on TDM mode; Use ASP_SCLK_INV = 0 + * with SHIFT_LEFT = 1 combination as Figure 4-13 shows in + * the CS53L30 datasheet + */ + aspctl1 |= CS53L30_SHIFT_LEFT; break; default: return -EINVAL; -- 2.1.4 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
