"Mono ADC Boost Gain" (MX-20h) is a coarse capture volume control with a step of 12dB on the Mono audio path. It is similar to the "STO1 ADC Boost Gain" control on the Stereo1 audio path.

Signed-off-by: Ben Zhang benzh@chromium.org --- sound/soc/codecs/rt5645.c | 3 +++ sound/soc/codecs/rt5645.h | 8 ++++++++ 2 files changed, 11 insertions(+)

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index f046bb8..f8c5e82 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -625,6 +625,9 @@ static const struct snd_kcontrol_new rt5645_snd_controls[] = { SOC_DOUBLE_TLV("STO2 ADC Boost Gain", RT5645_ADC_BST_VOL1, RT5645_STO2_ADC_L_BST_SFT, RT5645_STO2_ADC_R_BST_SFT, 3, 0, adc_bst_tlv), + SOC_DOUBLE_TLV("Mono ADC Boost Gain", RT5645_ADC_BST_VOL2, + RT5645_MONO_ADC_L_BST_SFT, RT5645_MONO_ADC_R_BST_SFT, 3, 0, + adc_bst_tlv),

/* I2S2 function select */ SOC_SINGLE("I2S2 Func Switch", RT5645_GPIO_CTRL1, RT5645_I2S2_SEL_SFT, diff --git a/sound/soc/codecs/rt5645.h b/sound/soc/codecs/rt5645.h index 7cea282..9ddba59 100644 --- a/sound/soc/codecs/rt5645.h +++ b/sound/soc/codecs/rt5645.h @@ -322,6 +322,14 @@ #define RT5645_STO2_ADC_COMP_MASK (0x3 << 4) #define RT5645_STO2_ADC_COMP_SFT 4

+/* Mono ADC Boost Volume Control (0x20) */ +#define RT5645_MONO_ADC_L_BST_MASK (0x3 << 14) +#define RT5645_MONO_ADC_L_BST_SFT 14 +#define RT5645_MONO_ADC_R_BST_MASK (0x3 << 12) +#define RT5645_MONO_ADC_R_BST_SFT 12 +#define RT5645_MONO_ADC_COMP_MASK (0x3 << 10) +#define RT5645_MONO_ADC_COMP_SFT 10 + /* Stereo2 ADC Mixer Control (0x26) */ #define RT5645_STO2_ADC_SRC_MASK (0x1 << 15) #define RT5645_STO2_ADC_SRC_SFT 15