This patch allows to use dmic to record sound.
This is a port from a variscite patch written by Eran Matityahu
<eran.m@xxxxxxxxxxxxx>.
Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>
---
sound/soc/codecs/tlv320aic3x.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index d53037b1509d..426f92cc44da 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -296,6 +296,11 @@ static SOC_ENUM_SINGLE_DECL(aic3x_poweron_time_enum, HPOUT_POP_REDUCTION, 4,
static const char * const aic3x_rampup_step[] = { "0ms", "1ms", "2ms", "4ms" };
static SOC_ENUM_SINGLE_DECL(aic3x_rampup_step_enum, HPOUT_POP_REDUCTION, 2,
aic3x_rampup_step);
+static const char * const aic3x_dmic_rates[] = { "off", "128x", "64x", "32x" };
+static SOC_ENUM_SINGLE_DECL(aic3x_dmic_rates_enum, AIC3X_ASD_INTF_CTRLA, 0,
+ aic3x_dmic_rates);
+static const struct snd_kcontrol_new aic3x_dmic_rates_controls =
+ SOC_DAPM_ENUM("Route", aic3x_dmic_rates_enum);
/*
* DAC digital volumes. From -63.5 to 0 dB in 0.5 dB steps
@@ -751,6 +756,9 @@ static const struct snd_soc_dapm_widget aic3x_extra_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("MIC3R"),
SND_SOC_DAPM_INPUT("LINE2L"),
SND_SOC_DAPM_INPUT("LINE2R"),
+
+ SND_SOC_DAPM_MUX("DMic Rate", SND_SOC_NOPM, 0, 0, &aic3x_dmic_rates_controls),
+ SND_SOC_DAPM_INPUT("DMIC"),
};
/* For tlv320aic3104 */
@@ -939,6 +947,12 @@ static const struct snd_soc_dapm_route intercon_extra[] = {
{"GPIO1 dmic modclk", NULL, "DMic Rate 64"},
{"GPIO1 dmic modclk", NULL, "DMic Rate 32"},
+ {"GPIO1 dmic modclk", NULL, "DMic Rate"},
+ {"DMic Rate", "128x", "DMIC"},
+ {"DMic Rate", "64x", "DMIC"},
+ {"DMic Rate", "32x", "DMIC"},
+ {"DMic Rate", "off", "DMIC"},
+
/* Left Line Output */
{"Left Line Mixer", "Line2L Bypass Switch", "Left Line2L Mux"},
{"Left Line Mixer", "Line2R Bypass Switch", "Right Line2R Mux"},
--
2.34.1
