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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-09-04 19:01:23 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-09-04 19:02:48 +0200 |
| commit | 662394fb30fdbcc89ec387918714aebee6868a9f (patch) | |
| tree | c308c5f1a650abf9d9ccbb2a1747469a0d8570c0 /target/linux/brcm2708/patches-4.19/950-0396-ASoC-tlv320aic32x4-SND_SOC_DAPM_MICBIAS-is-deprecate.patch | |
| parent | 99a5e285887c4a10aaf06d8e01fae0707995da00 (diff) | |
| download | upstream-662394fb30fdbcc89ec387918714aebee6868a9f.tar.gz upstream-662394fb30fdbcc89ec387918714aebee6868a9f.tar.bz2 upstream-662394fb30fdbcc89ec387918714aebee6868a9f.zip | |
brcm2708: update to latest patches from RPi foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0396-ASoC-tlv320aic32x4-SND_SOC_DAPM_MICBIAS-is-deprecate.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0396-ASoC-tlv320aic32x4-SND_SOC_DAPM_MICBIAS-is-deprecate.patch | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0396-ASoC-tlv320aic32x4-SND_SOC_DAPM_MICBIAS-is-deprecate.patch b/target/linux/brcm2708/patches-4.19/950-0396-ASoC-tlv320aic32x4-SND_SOC_DAPM_MICBIAS-is-deprecate.patch new file mode 100644 index 0000000000..0b04f1295a --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0396-ASoC-tlv320aic32x4-SND_SOC_DAPM_MICBIAS-is-deprecate.patch @@ -0,0 +1,78 @@ +From 1b9dc2f80368ba102bddd0b53df2f3f57ba4c4f8 Mon Sep 17 00:00:00 2001 +From: b-ak <anur.bhargav@gmail.com> +Date: Wed, 9 Jan 2019 22:41:21 +0530 +Subject: [PATCH 396/782] ASoC: tlv320aic32x4: SND_SOC_DAPM_MICBIAS is + deprecated + +commit 04d979d7a7bac2f645cd827ea37e5ffa5b4e1f97 upstream. + +SND_SOC_DAPM_MICBIAS is deprecated, replace it with SND_SOC_DAPM_SUPPLY. + +MICBIAS voltage wasn't supplied to the microphone with the older +SND_SOC_DAPM_MICBIAS widget, hence the microphone wouldn't work. + +This patch fixes the problem. + +Signed-off-by: b-ak <anur.bhargav@gmail.com> +Signed-off-by: Mark Brown <broonie@kernel.org> +--- + sound/soc/codecs/tlv320aic32x4.c | 30 +++++++++++++++++++++++++++++- + sound/soc/codecs/tlv320aic32x4.h | 1 + + 2 files changed, 30 insertions(+), 1 deletion(-) + +--- a/sound/soc/codecs/tlv320aic32x4.c ++++ b/sound/soc/codecs/tlv320aic32x4.c +@@ -79,6 +79,32 @@ struct aic32x4_priv { + struct device *dev; + }; + ++static int mic_bias_event(struct snd_soc_dapm_widget *w, ++ struct snd_kcontrol *kcontrol, int event) ++{ ++ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); ++ ++ switch (event) { ++ case SND_SOC_DAPM_POST_PMU: ++ /* Change Mic Bias Registor */ ++ snd_soc_component_update_bits(component, AIC32X4_MICBIAS, ++ AIC32x4_MICBIAS_MASK, ++ AIC32X4_MICBIAS_LDOIN | ++ AIC32X4_MICBIAS_2075V); ++ printk(KERN_DEBUG "%s: Mic Bias will be turned ON\n", __func__); ++ break; ++ case SND_SOC_DAPM_PRE_PMD: ++ snd_soc_component_update_bits(component, AIC32X4_MICBIAS, ++ AIC32x4_MICBIAS_MASK, 0); ++ printk(KERN_DEBUG "%s: Mic Bias will be turned OFF\n", ++ __func__); ++ break; ++ } ++ ++ return 0; ++} ++ ++ + static int aic32x4_get_mfp1_gpio(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) + { +@@ -450,7 +476,9 @@ static const struct snd_soc_dapm_widget + SND_SOC_DAPM_MUX("IN3_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, + in3r_to_lmixer_controls), + +- SND_SOC_DAPM_MICBIAS("Mic Bias", AIC32X4_MICBIAS, 6, 0), ++ SND_SOC_DAPM_SUPPLY("Mic Bias", AIC32X4_MICBIAS, 6, 0, mic_bias_event, ++ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), ++ + + SND_SOC_DAPM_OUTPUT("HPL"), + SND_SOC_DAPM_OUTPUT("HPR"), +--- a/sound/soc/codecs/tlv320aic32x4.h ++++ b/sound/soc/codecs/tlv320aic32x4.h +@@ -195,6 +195,7 @@ int aic32x4_remove(struct device *dev); + /* AIC32X4_MICBIAS */ + #define AIC32X4_MICBIAS_LDOIN BIT(3) + #define AIC32X4_MICBIAS_2075V 0x60 ++#define AIC32x4_MICBIAS_MASK GENMASK(6, 3) + + /* AIC32X4_LMICPGANIN */ + #define AIC32X4_LMICPGANIN_IN2R_10K 0x10 |