diff options
| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2020-08-05 14:34:12 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-08-17 14:56:50 +0100 |
| commit | 7b3bee091ec375777ade2a37e4b0c9319f92de27 (patch) | |
| tree | dd0824ab829ea8e02d0eeb8961dbe59c2941f0e1 /sound/soc/fsl/fsl_sai.c | |
| parent | 94741eba63c23b0f1527b0ae0125e6b553bde10e (diff) | |
| download | linux-7b3bee091ec375777ade2a37e4b0c9319f92de27.tar.bz2 | |
ASoC: fsl_sai: Drop TMR/RMR settings for synchronous mode
Tx synchronous with Rx: The RMR is the word mask register, it is used
to mask any word in the frame, it is not relating to clock generation,
So it is no need to be changed when Tx is going to be enabled.
Rx synchronous with Tx: The TMR is the word mask register, it is used
to mask any word in the frame, it is not relating to clock generation,
So it is no need to be changed when Rx is going to be enabled.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Nicolin Chen <nicoleotsuka@gmail.com>
Link: https://lore.kernel.org/r/20200805063413.4610-3-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/fsl/fsl_sai.c')
| -rw-r--r-- | sound/soc/fsl/fsl_sai.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 566c4747362a..334090d581ae 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -488,8 +488,7 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, /* * For SAI master mode, when Tx(Rx) sync with Rx(Tx) clock, Rx(Tx) will * generate bclk and frame clock for Tx(Rx), we should set RCR4(TCR4), - * RCR5(TCR5) and RMR(TMR) for playback(capture), or there will be sync - * error. + * RCR5(TCR5) for playback(capture), or there will be sync error. */ if (!sai->is_slave_mode) { @@ -500,8 +499,6 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, regmap_update_bits(sai->regmap, FSL_SAI_TCR5(ofs), FSL_SAI_CR5_WNW_MASK | FSL_SAI_CR5_W0W_MASK | FSL_SAI_CR5_FBT_MASK, val_cr5); - regmap_write(sai->regmap, FSL_SAI_TMR, - ~0UL - ((1 << channels) - 1)); } else if (!sai->synchronous[RX] && sai->synchronous[TX] && tx) { regmap_update_bits(sai->regmap, FSL_SAI_RCR4(ofs), FSL_SAI_CR4_SYWD_MASK | FSL_SAI_CR4_FRSZ_MASK, @@ -509,8 +506,6 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, regmap_update_bits(sai->regmap, FSL_SAI_RCR5(ofs), FSL_SAI_CR5_WNW_MASK | FSL_SAI_CR5_W0W_MASK | FSL_SAI_CR5_FBT_MASK, val_cr5); - regmap_write(sai->regmap, FSL_SAI_RMR, - ~0UL - ((1 << channels) - 1)); } } |