diff options
| author | Nicolin Chen <nicoleotsuka@gmail.com> | 2018-02-13 01:03:11 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-02-21 15:30:48 +0300 |
| commit | 09947634829ccc5568a80ac02c3395a8b77276c1 (patch) | |
| tree | 40f15b000a30867ee2dc807679592ed70b64a936 /sound/soc/fsl/fsl_ssi.c | |
| parent | ebf08ae3bc906fc5dd33d02977efa5d4b9831517 (diff) | |
| download | linux-09947634829ccc5568a80ac02c3395a8b77276c1.tar.xz | |
ASoC: fsl_ssi: Clean up set_dai_tdm_slot()
This patch replaces the register read with ssi->i2s_net for
simplification. It also removes masking SSIEN from scr value
since it's handled later by regmap_update_bits() to set this
scr value back.
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Tested-by: Caleb Crome <caleb@crome.org>
Tested-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Reviewed-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
| -rw-r--r-- | sound/soc/fsl/fsl_ssi.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index d4f1f0d64136..14046c32dc07 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -1055,9 +1055,7 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, } /* The slot number should be >= 2 if using Network mode or I2S mode */ - regmap_read(regs, REG_SSI_SCR, &val); - val &= SSI_SCR_I2S_MODE_MASK | SSI_SCR_NET; - if (val && slots < 2) { + if (ssi->i2s_net && slots < 2) { dev_err(dai->dev, "slot number should be >= 2 in I2S or NET\n"); return -EINVAL; } @@ -1067,9 +1065,8 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, regmap_update_bits(regs, REG_SSI_SRCCR, SSI_SxCCR_DC_MASK, SSI_SxCCR_DC(slots)); - /* Save SSIEN bit of the SCR register */ + /* Save the SCR register value */ regmap_read(regs, REG_SSI_SCR, &val); - val &= SSI_SCR_SSIEN; /* Temporarily enable SSI to allow SxMSKs to be configurable */ regmap_update_bits(regs, REG_SSI_SCR, SSI_SCR_SSIEN, SSI_SCR_SSIEN); |