Re: [PATCH v1] arm64: dts: qcom: sc7280: Use "PP1800_L2C" as the DMIC power source.
From: Stephen Boyd
Date: Mon Aug 15 2022 - 13:11:19 EST
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.