diff options
| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2024-09-30 09:08:28 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-10-01 01:30:32 +0300 |
| commit | 72455e33173c1a00c0ce93d2b0198eb45d5f4195 (patch) | |
| tree | ed51be3d2f77293c902745005d096ef083b614c2 /sound/soc/fsl/fsl_sai.c | |
| parent | a36614bf88cd4b43984f24fd960c7aa0e43b5fb7 (diff) | |
| download | linux-72455e33173c1a00c0ce93d2b0198eb45d5f4195.tar.xz | |
ASoC: fsl_sai: Enable 'FIFO continue on error' FCONT bit
FCONT=1 means On FIFO error, the SAI will continue from the
same word that caused the FIFO error to set after the FIFO
warning flag has been cleared.
Set FCONT bit in control register to avoid the channel swap
issue after SAI xrun.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://patch.msgid.link/1727676508-22830-1-git-send-email-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 | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index ab58a4461073..634168d2bb6e 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -613,6 +613,9 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, val_cr4 |= FSL_SAI_CR4_FRSZ(slots); + /* Set to avoid channel swap */ + val_cr4 |= FSL_SAI_CR4_FCONT; + /* Set to output mode to avoid tri-stated data pins */ if (tx) val_cr4 |= FSL_SAI_CR4_CHMOD; @@ -699,7 +702,7 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, regmap_update_bits(sai->regmap, FSL_SAI_xCR4(tx, ofs), FSL_SAI_CR4_SYWD_MASK | FSL_SAI_CR4_FRSZ_MASK | - FSL_SAI_CR4_CHMOD_MASK, + FSL_SAI_CR4_CHMOD_MASK | FSL_SAI_CR4_FCONT_MASK, val_cr4); regmap_update_bits(sai->regmap, FSL_SAI_xCR5(tx, ofs), FSL_SAI_CR5_WNW_MASK | FSL_SAI_CR5_W0W_MASK | |