diff options
| author | Bard Liao <bardliao@realtek.com> | 2018-01-03 13:39:02 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-01-04 12:09:12 +0000 |
| commit | e61f3f31e5830f027d8eedb742bc48a9b3173699 (patch) | |
| tree | 39a9d6d27ad72a7a374c13bfba741c8d2c4ecab5 /sound/soc/codecs/rt5645.c | |
| parent | bd70b19e9e7e87ad330d820386774f304e74d112 (diff) | |
| download | linux-e61f3f31e5830f027d8eedb742bc48a9b3173699.tar.bz2 | |
ASoC: rt5645: add micbias power control select.
We need to set a corresponding control bit before powering micbias up.
Signed-off-by: Bard Liao <bardliao@realtek.com>
[hdegoede@redhat.com: Remove 2 unused variable declarations]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt5645.c')
| -rw-r--r-- | sound/soc/codecs/rt5645.c | 56 |
1 files changed, 54 insertions, 2 deletions
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 6f6da0abe220..fbaf36aeb587 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -1943,6 +1943,56 @@ static int rt5650_hp_event(struct snd_soc_dapm_widget *w, return 0; } +static int rt5645_set_micbias1_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + snd_soc_update_bits(codec, RT5645_GEN_CTRL2, + RT5645_MICBIAS1_POW_CTRL_SEL_MASK, + RT5645_MICBIAS1_POW_CTRL_SEL_M); + break; + + case SND_SOC_DAPM_POST_PMD: + snd_soc_update_bits(codec, RT5645_GEN_CTRL2, + RT5645_MICBIAS1_POW_CTRL_SEL_MASK, + RT5645_MICBIAS1_POW_CTRL_SEL_A); + break; + + default: + return 0; + } + + return 0; +} + +static int rt5645_set_micbias2_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + snd_soc_update_bits(codec, RT5645_GEN_CTRL2, + RT5645_MICBIAS2_POW_CTRL_SEL_MASK, + RT5645_MICBIAS2_POW_CTRL_SEL_M); + break; + + case SND_SOC_DAPM_POST_PMD: + snd_soc_update_bits(codec, RT5645_GEN_CTRL2, + RT5645_MICBIAS2_POW_CTRL_SEL_MASK, + RT5645_MICBIAS2_POW_CTRL_SEL_A); + break; + + default: + return 0; + } + + return 0; +} + static const struct snd_soc_dapm_widget rt5645_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("LDO2", RT5645_PWR_MIXER, RT5645_PWR_LDO2_BIT, 0, NULL, 0), @@ -1981,9 +2031,11 @@ static const struct snd_soc_dapm_widget rt5645_dapm_widgets[] = { /* Input Side */ /* micbias */ SND_SOC_DAPM_SUPPLY("micbias1", RT5645_PWR_ANLG2, - RT5645_PWR_MB1_BIT, 0, NULL, 0), + RT5645_PWR_MB1_BIT, 0, rt5645_set_micbias1_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("micbias2", RT5645_PWR_ANLG2, - RT5645_PWR_MB2_BIT, 0, NULL, 0), + RT5645_PWR_MB2_BIT, 0, rt5645_set_micbias2_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), /* Input Lines */ SND_SOC_DAPM_INPUT("DMIC L1"), SND_SOC_DAPM_INPUT("DMIC R1"), |