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authorNicolin Chen2017-12-18 03:52:10 +0100
committerMark Brown2017-12-19 10:25:07 +0100
commit52eee84e815e0fbaf9ada848ab5646314a529b61 (patch)
treefc5737ae24c9127542f7fc9c0d39a3b536558874 /sound/soc/fsl/fsl_ssi.c
parentASoC: fsl_ssi: Rename i2smode to i2s_net (diff)
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ASoC: fsl_ssi: Define ternary macros to simplify code
Some regmap code looks redudant. So simplify it. Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com> Tested-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name> Reviewed-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name> Acked-by: Timur Tabi <timur@tabi.org> 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.c27
1 files changed, 11 insertions, 16 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 2b3915c45199..aecd00f7929d 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -408,13 +408,10 @@ static void fsl_ssi_rxtx_config(struct fsl_ssi *ssi, bool enable)
*/
static void fsl_ssi_fifo_clear(struct fsl_ssi *ssi, bool is_rx)
{
- if (is_rx) {
- regmap_update_bits(ssi->regs, REG_SSI_SOR,
- SSI_SOR_RX_CLR, SSI_SOR_RX_CLR);
- } else {
- regmap_update_bits(ssi->regs, REG_SSI_SOR,
- SSI_SOR_TX_CLR, SSI_SOR_TX_CLR);
- }
+ bool tx = !is_rx;
+
+ regmap_update_bits(ssi->regs, REG_SSI_SOR,
+ SSI_SOR_xX_CLR(tx), SSI_SOR_xX_CLR(tx));
}
/**
@@ -681,6 +678,7 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai,
struct snd_pcm_hw_params *hw_params)
{
+ bool tx2, tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(dai);
struct regmap *regs = ssi->regs;
int synchronous = ssi->cpu_dai_drv.symmetric_rates, ret;
@@ -768,10 +766,9 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream,
(psr ? SSI_SxCCR_PSR : 0);
mask = SSI_SxCCR_PM_MASK | SSI_SxCCR_DIV2 | SSI_SxCCR_PSR;
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK || synchronous)
- regmap_update_bits(regs, REG_SSI_STCCR, mask, stccr);
- else
- regmap_update_bits(regs, REG_SSI_SRCCR, mask, stccr);
+ /* STCCR is used for RX in synchronous mode */
+ tx2 = tx || synchronous;
+ regmap_update_bits(regs, REG_SSI_SxCCR(tx2), mask, stccr);
if (!baudclk_is_used) {
ret = clk_set_rate(ssi->baudclk, baudrate);
@@ -799,6 +796,7 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params,
struct snd_soc_dai *dai)
{
+ bool tx2, tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(dai);
struct regmap *regs = ssi->regs;
unsigned int channels = params_channels(hw_params);
@@ -849,11 +847,8 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
}
/* In synchronous mode, the SSI uses STCCR for capture */
- if ((substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ||
- ssi->cpu_dai_drv.symmetric_rates)
- regmap_update_bits(regs, REG_SSI_STCCR, SSI_SxCCR_WL_MASK, wl);
- else
- regmap_update_bits(regs, REG_SSI_SRCCR, SSI_SxCCR_WL_MASK, wl);
+ tx2 = tx || ssi->cpu_dai_drv.symmetric_rates;
+ regmap_update_bits(regs, REG_SSI_SxCCR(tx2), SSI_SxCCR_WL_MASK, wl);
return 0;
}