[alsa-devel] [alsa-kernel][PATCH] ASoC: TLV320AIC3X: Add mixer control for ADC highpass filter
Jarkko Nikula
jarkko.nikula at nokia.com
Fri Jun 27 13:07:57 CEST 2008
Signed-off-by: Jarkko Nikula <jarkko.nikula at nokia.com>
---
sound/soc/codecs/tlv320aic3x.c | 6 ++++++
sound/soc/codecs/tlv320aic3x.h | 2 ++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 4f0bf26..d138306 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -223,6 +223,8 @@ static const char *aic3x_right_hpcom_mux[] =
{ "differential of HPROUT", "constant VCM", "single-ended",
"differential of HPLCOM", "external feedback" };
static const char *aic3x_linein_mode_mux[] = { "single-ended", "differential" };
+static const char *aic3x_adc_hpf[] =
+ { "Disabled", "0.0045xFs", "0.0125xFs", "0.025xFs" };
#define LDAC_ENUM 0
#define RDAC_ENUM 1
@@ -232,6 +234,7 @@ static const char *aic3x_linein_mode_mux[] = { "single-ended", "differential" };
#define LINE1R_ENUM 5
#define LINE2L_ENUM 6
#define LINE2R_ENUM 7
+#define ADC_HPF_ENUM 8
static const struct soc_enum aic3x_enum[] = {
SOC_ENUM_SINGLE(DAC_LINE_MUX, 6, 3, aic3x_left_dac_mux),
@@ -242,6 +245,7 @@ static const struct soc_enum aic3x_enum[] = {
SOC_ENUM_SINGLE(LINE1R_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux),
SOC_ENUM_SINGLE(LINE2L_2_LADC_CTRL, 7, 2, aic3x_linein_mode_mux),
SOC_ENUM_SINGLE(LINE2R_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux),
+ SOC_ENUM_DOUBLE(AIC3X_CODEC_DFILT_CTRL, 6, 4, 4, aic3x_adc_hpf),
};
static const struct snd_kcontrol_new aic3x_snd_controls[] = {
@@ -292,6 +296,8 @@ static const struct snd_kcontrol_new aic3x_snd_controls[] = {
/* Input */
SOC_DOUBLE_R("PGA Capture Volume", LADC_VOL, RADC_VOL, 0, 0x7f, 0),
SOC_DOUBLE_R("PGA Capture Switch", LADC_VOL, RADC_VOL, 7, 0x01, 1),
+
+ SOC_ENUM("ADC HPF Cut-off", aic3x_enum[ADC_HPF_ENUM]),
};
/* add non dapm controls */
diff --git a/sound/soc/codecs/tlv320aic3x.h b/sound/soc/codecs/tlv320aic3x.h
index c1dd1ac..e600946 100644
--- a/sound/soc/codecs/tlv320aic3x.h
+++ b/sound/soc/codecs/tlv320aic3x.h
@@ -37,6 +37,8 @@
#define AIC3X_ASD_INTF_CTRLB 9
/* Audio overflow status and PLL R value programming register */
#define AIC3X_OVRF_STATUS_AND_PLLR_REG 11
+/* Audio codec digital filter control register */
+#define AIC3X_CODEC_DFILT_CTRL 12
/* ADC PGA Gain control registers */
#define LADC_VOL 15
--
1.5.5.4
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