From: Peter Ujfalusi peter.ujfalusi@nokia.com
There is a separate gain control for the Headset output already. Do not reset the gain to 0 dB at power up. In power-down, there is no need to set the Headset output gain to power-down mode, since if the CODECPDZ is in powered off this setting has no effect.
Signed-off-by: Peter Ujfalusi peter.ujfalusi@nokia.com Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/codecs/twl4030.c | 12 ++---------- 1 files changed, 2 insertions(+), 10 deletions(-)
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index d0612a4..358aa2b 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -887,7 +887,7 @@ static int twl4030_add_widgets(struct snd_soc_codec *codec)
static void twl4030_power_up(struct snd_soc_codec *codec) { - u8 anamicl, regmisc1, byte, popn, hsgain; + u8 anamicl, regmisc1, byte, popn; int i = 0;
/* set CODECPDZ to turn on codec */ @@ -925,10 +925,6 @@ static void twl4030_power_up(struct snd_soc_codec *codec) popn |= TWL4030_VMID_EN; twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn);
- /* enable output stage and gain setting */ - hsgain = TWL4030_HSR_GAIN_0DB | TWL4030_HSL_GAIN_0DB; - twl4030_write(codec, TWL4030_REG_HS_GAIN_SET, hsgain); - /* enable anti-pop ramp */ popn |= TWL4030_RAMP_EN; twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); @@ -936,17 +932,13 @@ static void twl4030_power_up(struct snd_soc_codec *codec)
static void twl4030_power_down(struct snd_soc_codec *codec) { - u8 popn, hsgain; + u8 popn;
/* disable anti-pop ramp */ popn = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET); popn &= ~TWL4030_RAMP_EN; twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn);
- /* disable output stage and gain setting */ - hsgain = TWL4030_HSR_GAIN_PWR_DOWN | TWL4030_HSL_GAIN_PWR_DOWN; - twl4030_write(codec, TWL4030_REG_HS_GAIN_SET, hsgain); - /* disable bias out */ popn &= ~TWL4030_VMID_EN; twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn);