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authorShengjiu Wang <shengjiu.wang@nxp.com>2023-07-21 11:24:02 +0300
committerMark Brown <broonie@kernel.org>2023-07-21 14:08:16 +0300
commit8cf2e3b1961e59dabc75e9e917d58439164a8f84 (patch)
treefc6531e713bc826c54810b100ae3e848660b663b /sound/soc/codecs/wm8960.c
parent7c2a3cfc70400e1db057a2510d4529bab0ca65c8 (diff)
downloadlinux-8cf2e3b1961e59dabc75e9e917d58439164a8f84.tar.xz
ASoC: wm8960: Add DAC filter characteristics selection
Support DAC filter characteristics selection: Normal mode and Sloping stopband. Sloping stopband may have better frequency response. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/1689927842-21165-1-git-send-email-shengjiu.wang@nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/wm8960.c')
-rw-r--r--sound/soc/codecs/wm8960.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 92fb7ab6e896..c2bd9ef41ebb 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -155,6 +155,7 @@ static const char *wm8960_adc_data_output_sel[] = {
"Left Data = Right ADC; Right Data = Left ADC",
};
static const char *wm8960_dmonomix[] = {"Stereo", "Mono"};
+static const char *wm8960_dacslope[] = {"Normal", "Sloping"};
static const struct soc_enum wm8960_enum[] = {
SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity),
@@ -165,6 +166,7 @@ static const struct soc_enum wm8960_enum[] = {
SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode),
SOC_ENUM_SINGLE(WM8960_ADDCTL1, 2, 4, wm8960_adc_data_output_sel),
SOC_ENUM_SINGLE(WM8960_ADDCTL1, 4, 2, wm8960_dmonomix),
+ SOC_ENUM_SINGLE(WM8960_DACCTL2, 1, 2, wm8960_dacslope),
};
static const int deemph_settings[] = { 0, 32000, 44100, 48000 };
@@ -307,6 +309,7 @@ SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume",
SOC_ENUM("ADC Data Output Select", wm8960_enum[6]),
SOC_ENUM("DAC Mono Mix", wm8960_enum[7]),
+SOC_ENUM("DAC Filter Characteristics", wm8960_enum[8]),
};
static const struct snd_kcontrol_new wm8960_lin_boost[] = {