snd_soc_component_update_bits() will only update the mask bits, so remove the redundant snd_soc_component_read32().
Signed-off-by: Axel Lin axel.lin@ingics.com --- sound/soc/codecs/ak5558.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-)
diff --git a/sound/soc/codecs/ak5558.c b/sound/soc/codecs/ak5558.c index 60f1f12c81ea..8179512129d3 100644 --- a/sound/soc/codecs/ak5558.c +++ b/sound/soc/codecs/ak5558.c @@ -130,16 +130,12 @@ static int ak5558_hw_params(struct snd_pcm_substream *substream, u8 bits; int pcm_width = max(params_physical_width(params), ak5558->slot_width);
- /* set master/slave audio interface */ - bits = snd_soc_component_read32(component, AK5558_02_CONTROL1); - bits &= ~AK5558_BITS; - switch (pcm_width) { case 16: - bits |= AK5558_DIF_24BIT_MODE; + bits = AK5558_DIF_24BIT_MODE; break; case 32: - bits |= AK5558_DIF_32BIT_MODE; + bits = AK5558_DIF_32BIT_MODE; break; default: return -EINVAL; @@ -168,18 +164,15 @@ static int ak5558_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) }
/* set master/slave audio interface */ - format = snd_soc_component_read32(component, AK5558_02_CONTROL1); - format &= ~AK5558_DIF; - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: - format |= AK5558_DIF_I2S_MODE; + format = AK5558_DIF_I2S_MODE; break; case SND_SOC_DAIFMT_LEFT_J: - format |= AK5558_DIF_MSB_MODE; + format = AK5558_DIF_MSB_MODE; break; case SND_SOC_DAIFMT_DSP_B: - format |= AK5558_DIF_MSB_MODE; + format = AK5558_DIF_MSB_MODE; break; default: return -EINVAL;