| Message ID | 1467770115-16706-2-git-send-email-bardliao@realtek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Jul 06, 2016 at 09:55:15AM +0800, Bard Liao wrote: > This patch add an alsa control for DAC1 digital volume control function > selection. The options are: > 0: Gain update immediately > 1: Gain update when a zero crossing > 2: Gain update when a zero crossing with a soft ramp This seems like it should be an enum?
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 9251720..036628c 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -808,6 +808,10 @@ static const struct snd_kcontrol_new rt5645_snd_controls[] = { SOC_SINGLE("I2S2 Func Switch", RT5645_GPIO_CTRL1, RT5645_I2S2_SEL_SFT, 1, 1), RT5645_HWEQ("Speaker HWEQ"), + + /* Digiatl Soft Volume Control */ + SOC_SINGLE("DAC1 Digital Volume Control Func", + RT5645_PR_BASE, RT5645_DA1_ZDET_SFT, 3, 0), }; /** diff --git a/sound/soc/codecs/rt5645.h b/sound/soc/codecs/rt5645.h index 205e071..cfc5f97 100644 --- a/sound/soc/codecs/rt5645.h +++ b/sound/soc/codecs/rt5645.h @@ -2018,6 +2018,9 @@ /* Codec Private Register definition */ +/* DAC ADC Digital Volume (0x00) */ +#define RT5645_DA1_ZDET_SFT 6 + /* 3D Speaker Control (0x63) */ #define RT5645_3D_SPK_MASK (0x1 << 15) #define RT5645_3D_SPK_SFT 15
This patch add an alsa control for DAC1 digital volume control function selection. The options are: 0: Gain update immediately 1: Gain update when a zero crossing 2: Gain update when a zero crossing with a soft ramp Signed-off-by: Bard Liao <bardliao@realtek.com> --- sound/soc/codecs/rt5645.c | 4 ++++ sound/soc/codecs/rt5645.h | 3 +++ 2 files changed, 7 insertions(+)