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Fix Waveshare WM8960 microphone capture noise #7717

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Fix Waveshare WM8960 microphone capture noise #7717

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5 changes: 4 additions & 1 deletion arch/arm/boot/dts/overlays/wm8960-soundcard-overlay.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,10 @@
reg = <0x1a>;
#sound-dai-cells = <0>;
AVDD-supply = <&vdd_5v0_reg>;
DVDD-supply = <&vdd_3v3_reg>;
DBVDD-supply = <&vdd_3v3_reg>;
DCVDD-supply = <&vdd_3v3_reg>;
SPKVDD1-supply = <&vdd_5v0_reg>;
SPKVDD2-supply = <&vdd_5v0_reg>;
clocks = <&wm8960_mclk>;
clock-names = "mclk";
};
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2 changes: 2 additions & 0 deletions sound/soc/codecs/wm8960.c
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Expand Up @@ -422,6 +422,7 @@ SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0),
};

static const struct snd_soc_dapm_route audio_paths[] = {
{ "Left Boost Mixer", NULL, "MICB"},
{ "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" },
{ "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" },
{ "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" },
Expand All @@ -431,6 +432,7 @@ static const struct snd_soc_dapm_route audio_paths[] = {
{ "Left Input Mixer", NULL, "LINPUT2" },
{ "Left Input Mixer", NULL, "LINPUT3" },

{ "Right Boost Mixer", NULL, "MICB"},
{ "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" },
{ "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" },
{ "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" },
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