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| author |   Paul Cercueil <paul@crapouillou.net> | 2020-12-07 12:53:37 +0000 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2020-12-09 12:13:43 +0000 |
| commit | e648e3f1165354f04a4deed1f41152a287b68d59 (patch) | |
| tree | ae4cab0db9a085f1a4079aa55cb4a98b2e8fbf76 /sound/soc | |
| parent | ASoC: codecs/jz4770: Don't change cap-couple setting in HP PMU/PMD (diff) | |
| download | linux-dev-e648e3f1165354f04a4deed1f41152a287b68d59.tar.xz linux-dev-e648e3f1165354f04a4deed1f41152a287b68d59.zip | |
ASoC: codecs/jz4770: Add DAPM widget to set HP out to cap-less mode
Cap-less mode is useful e.g. if the headphones are used as an antenna
for a FM radio, so that the signal is not altered. For everything else,
we want the cap-couple mode.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20201207125338.119397-5-paul@crapouillou.net
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/codecs/jz4770.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sound/soc/codecs/jz4770.c b/sound/soc/codecs/jz4770.c index 909b70e817b4..c9fe7f72bfcb 100644 --- a/sound/soc/codecs/jz4770.c +++ b/sound/soc/codecs/jz4770.c @@ -98,7 +98,7 @@ enum { #define REG_CR_HP_MUTE BIT(7) #define REG_CR_HP_LOAD BIT(6) #define REG_CR_HP_SB_OFFSET 4 -#define REG_CR_HP_SB_HPCM BIT(3) +#define REG_CR_HP_SB_HPCM_OFFSET 3 #define REG_CR_HP_SEL_OFFSET 0 #define REG_CR_HP_SEL_MASK (0x3 << REG_CR_HP_SEL_OFFSET) @@ -519,6 +519,9 @@ static const struct snd_soc_dapm_widget jz4770_codec_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("MICBIAS", JZ4770_CODEC_REG_CR_MIC, REG_CR_MIC_BIAS_SB_OFFSET, 1, NULL, 0), + SND_SOC_DAPM_SUPPLY("Cap-less", JZ4770_CODEC_REG_CR_HP, + REG_CR_HP_SB_HPCM_OFFSET, 1, NULL, 0), + SND_SOC_DAPM_INPUT("MIC1P"), SND_SOC_DAPM_INPUT("MIC1N"), SND_SOC_DAPM_INPUT("MIC2P"), @@ -640,7 +643,8 @@ static void jz4770_codec_codec_init_regs(struct snd_soc_component *codec) regmap_set_bits(regmap, JZ4770_CODEC_REG_CR_ADC, REG_CR_ADC_LRSWAP); /* default to cap-less mode(0) */ - regmap_clear_bits(regmap, JZ4770_CODEC_REG_CR_HP, REG_CR_HP_SB_HPCM); + regmap_clear_bits(regmap, JZ4770_CODEC_REG_CR_HP, + BIT(REG_CR_HP_SB_HPCM_OFFSET)); /* Send collected updates. */ regcache_cache_only(regmap, false); |