Quoting Judy Hsiao (2022-08-14 21:18:04) > Use "PP1800_L2C" as the DMIC power source. Why? Is it fixing sound on villager? Or supporting sound on villager? Was the power source wrong before? > > Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@xxxxxxxxxxx> Is Srinivasa the author? There should either be a From up above or a Co-developed-by tag here. > Signed-off-by: Judy Hsiao <judyhsiao@xxxxxxxxxxxx> > --- > This patch depends on: > arm64: dts: qcom: sc7280: Add herobrine-villager-r1. [1] > > [1] > https://patchwork.kernel.org/patch/12926099/ > > > diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r1.dts b/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r1.dts > index c03b3ae4de50..983defa7c76d 100644 > --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r1.dts > +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r1.dts > @@ -12,3 +12,31 @@ / { > model = "Google Villager (rev1+)"; > compatible = "google,villager", "qcom,sc7280"; > }; > + > +&lpass_va_macro { > + vdd-micb-supply = <&pp1800_l2c>; > +}; This is the subject of the patch. > + > +&sound { > + audio-routing = > + "IN1_HPHL", "HPHL_OUT", > + "IN2_HPHR", "HPHR_OUT", > + "AMIC1", "MIC BIAS1", > + "AMIC2", "MIC BIAS2", > + "VA DMIC0", "vdd-micb", > + "VA DMIC1", "vdd-micb", > + "VA DMIC2", "vdd-micb", > + "VA DMIC3", "vdd-micb", > + "TX SWR_ADC0", "ADC1_OUTPUT", > + "TX SWR_ADC1", "ADC2_OUTPUT", > + "TX SWR_ADC2", "ADC3_OUTPUT", > + "TX SWR_DMIC0", "DMIC1_OUTPUT", > + "TX SWR_DMIC1", "DMIC2_OUTPUT", > + "TX SWR_DMIC2", "DMIC3_OUTPUT", > + "TX SWR_DMIC3", "DMIC4_OUTPUT", > + "TX SWR_DMIC4", "DMIC5_OUTPUT", > + "TX SWR_DMIC5", "DMIC6_OUTPUT", > + "TX SWR_DMIC6", "DMIC7_OUTPUT", > + "TX SWR_DMIC7", "DMIC8_OUTPUT"; > + > +}; This part is not described.