diff options
| author | David Lin <CTLIN0@nuvoton.com> | 2023-11-08 09:16:59 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-11-08 16:21:05 +0300 |
| commit | a60a609b7f548050d1e84c7aa1c0a57d5d7e22d5 (patch) | |
| tree | 96c53f9d76f7f6dbb825ce6e4e5f87c080712904 /sound/soc/codecs/nau8540.h | |
| parent | 45f2f28bd498fb697d07a38775d55f0f50fee5ca (diff) | |
| download | linux-a60a609b7f548050d1e84c7aa1c0a57d5d7e22d5.tar.xz | |
ASoC: nau8540: Add self recovery to improve capture quility
Reading the peak data to detect abnormal data in the ADC channel.
If abnormal data occurs, the driver takes recovery actions to
refresh the ADC channel.
Signed-off-by: David Lin <CTLIN0@nuvoton.com>
Link: https://lore.kernel.org/r/20231108061658.1265065-1-CTLIN0@nuvoton.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/nau8540.h')
| -rw-r--r-- | sound/soc/codecs/nau8540.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sound/soc/codecs/nau8540.h b/sound/soc/codecs/nau8540.h index 305ea9207cf0..2ce6063d462b 100644 --- a/sound/soc/codecs/nau8540.h +++ b/sound/soc/codecs/nau8540.h @@ -85,6 +85,7 @@ /* CLOCK_CTRL (0x02) */ #define NAU8540_CLK_ADC_EN (0x1 << 15) +#define NAU8540_CLK_AGC_EN (0x1 << 3) #define NAU8540_CLK_I2S_EN (0x1 << 1) /* CLOCK_SRC (0x03) */ @@ -168,6 +169,13 @@ #define NAU8540_TDM_OFFSET_EN (0x1 << 14) #define NAU8540_TDM_TX_MASK 0xf +/* ALC_CONTROL_3 (0x22) */ +#define NAU8540_ALC_CH1_EN (0x1 << 12) +#define NAU8540_ALC_CH2_EN (0x1 << 13) +#define NAU8540_ALC_CH3_EN (0x1 << 14) +#define NAU8540_ALC_CH4_EN (0x1 << 15) +#define NAU8540_ALC_CH_ALL_EN (0xf << 12) + /* ADC_SAMPLE_RATE (0x3A) */ #define NAU8540_CH_SYNC (0x1 << 14) #define NAU8540_ADC_OSR_MASK 0x3 @@ -181,6 +189,13 @@ #define NAU8540_VMID_SEL_SFT 4 #define NAU8540_VMID_SEL_MASK (0x3 << NAU8540_VMID_SEL_SFT) +/* MUTE (0x61) */ +#define NAU8540_PGA_CH1_MUTE 0x1 +#define NAU8540_PGA_CH2_MUTE 0x2 +#define NAU8540_PGA_CH3_MUTE 0x4 +#define NAU8540_PGA_CH4_MUTE 0x8 +#define NAU8540_PGA_CH_ALL_MUTE 0xf + /* MIC_BIAS (0x67) */ #define NAU8540_PU_PRE (0x1 << 8) |