Re: [PATCH] arm64: dts: qcom: sm8450-hdk: add other analogue microphones

From: Krzysztof Kozlowski
Date: Tue Jul 18 2023 - 05:47:48 EST


On 18/07/2023 11:40, Srinivas Kandagatla wrote:
>> diff --git a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
>> index bd5e8181f2aa..9bd1ef401ca3 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
>> +++ b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
>> @@ -915,14 +915,23 @@ &sound {
>> "SpkrRight IN", "WSA_SPK2 OUT",
>> "IN1_HPHL", "HPHL_OUT",
>> "IN2_HPHR", "HPHR_OUT",
>> + "AMIC1", "MIC BIAS1",
>> "AMIC2", "MIC BIAS2",
>> - "VA DMIC0", "MIC BIAS1",
>> - "VA DMIC1", "MIC BIAS1",
>> - "VA DMIC2", "MIC BIAS3",
>> - "TX DMIC0", "MIC BIAS1",
>> - "TX DMIC1", "MIC BIAS2",
>> - "TX DMIC2", "MIC BIAS3",
>> - "TX SWR_ADC1", "ADC2_OUTPUT";
>> + "AMIC3", "MIC BIAS3",
>> + "AMIC4", "MIC BIAS3",
>> + "AMIC5", "MIC BIAS4",
> These should reflect the board-level wiring of MIC BIAS, are you sure
> that this is how the hdk is wired up?

If I read the schematics correctly, then yes. You can double check, if I
understood this right: page 40 of HDK schematics

Best regards,
Krzysztof