Ensure all mask bits are clear before setting new value.
Signed-off-by: Axel Lin axel.lin@gmail.com --- I don't have this hardware, I'd appreciate if someone can test this patch.
Thanks, Axel sound/soc/codecs/sgtl5000.c | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index 32b5bbd..d15695d 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -723,7 +723,9 @@ static int sgtl5000_pcm_hw_params(struct snd_pcm_substream *substream, return -EINVAL; }
- snd_soc_update_bits(codec, SGTL5000_CHIP_I2S_CTRL, i2s_ctl, i2s_ctl); + snd_soc_update_bits(codec, SGTL5000_CHIP_I2S_CTRL, + SGTL5000_I2S_DLEN_MASK | SGTL5000_I2S_SCLKFREQ_MASK, + i2s_ctl);
return 0; } @@ -1146,8 +1148,7 @@ static int sgtl5000_set_power_regs(struct snd_soc_codec *codec) vag = (vag - SGTL5000_ANA_GND_BASE) / SGTL5000_ANA_GND_STP;
snd_soc_update_bits(codec, SGTL5000_CHIP_REF_CTRL, - vag << SGTL5000_ANA_GND_SHIFT, - vag << SGTL5000_ANA_GND_SHIFT); + SGTL5000_ANA_GND_MASK, vag << SGTL5000_ANA_GND_SHIFT);
/* set line out VAG to vddio / 2, in range (0.8v, 1.675v) */ vag = vddio / 2; @@ -1161,9 +1162,8 @@ static int sgtl5000_set_power_regs(struct snd_soc_codec *codec) SGTL5000_LINE_OUT_GND_STP;
snd_soc_update_bits(codec, SGTL5000_CHIP_LINE_OUT_CTRL, - vag << SGTL5000_LINE_OUT_GND_SHIFT | - SGTL5000_LINE_OUT_CURRENT_360u << - SGTL5000_LINE_OUT_CURRENT_SHIFT, + SGTL5000_LINE_OUT_CURRENT_MASK | + SGTL5000_LINE_OUT_GND_MASK, vag << SGTL5000_LINE_OUT_GND_SHIFT | SGTL5000_LINE_OUT_CURRENT_360u << SGTL5000_LINE_OUT_CURRENT_SHIFT);