From 8cf2e3b1961e59dabc75e9e917d58439164a8f84 Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Fri, 21 Jul 2023 16:24:02 +0800 Subject: [PATCH] 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 Acked-by: Charles Keepax Link: https://lore.kernel.org/r/1689927842-21165-1-git-send-email-shengjiu.wang@nxp.com Signed-off-by: Mark Brown --- sound/soc/codecs/wm8960.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c index 92fb7ab..c2bd9ef 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[] = { -- 2.7.4