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ASoC: zx-i2s: flip I2S master/slave mode

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The SND_SOC_DAIFMT_MASTER bits are defined to specify the master/slave
mode for Codec, not I2S.  So the I2S master/slave mode should be flipped
according to SND_SOC_DAIFMT_MASTER bits.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Shawn Guo 2017-06-17 22:25:28 +08:00 committed by Mark Brown
parent 6a9a440681
commit a205c159f9
1 changed files with 6 additions and 4 deletions
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10
sound/soc/zte/zx-i2s.c
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@ -203,13 +203,15 @@ static int zx_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
i2s->master = 1;
val |= ZX_I2S_TIMING_MAST;
break;
case SND_SOC_DAIFMT_CBS_CFS:
/* Codec is master, and I2S is slave. */
i2s->master = 0;
val |= ZX_I2S_TIMING_SLAVE;
break;
case SND_SOC_DAIFMT_CBS_CFS:
/* Codec is slave, and I2S is master. */
i2s->master = 1;
val |= ZX_I2S_TIMING_MAST;
break;
default:
dev_err(cpu_dai->dev, "Unknown master/slave format\n");
return -EINVAL;