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>
This commit is contained in:
Shengjiu Wang 2023-07-21 16:24:02 +08:00 committed by Mark Brown
parent 7c2a3cfc70
commit 8cf2e3b196
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@ -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[] = {