ASoC: zx-i2s: flip I2S master/slave mode
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
diff --git a/sound/soc/zte/zx-i2s.c b/sound/soc/zte/zx-i2s.c
index a7f7a56..8bbad1d 100644
--- a/sound/soc/zte/zx-i2s.c
+++ b/sound/soc/zte/zx-i2s.c
@@ -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;