linux-kernel - Re: [PATCH 2/3] arm64: dts: qcom: acer-aspire1: Correct audio codec definition

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Message-ID: <eda1c91bd2dce76e633dd82ad3105355@trvn.ru>
Date:   Tue, 31 Oct 2023 12:20:49 +0500
From:   Nikita Travkin <nikita@...n.ru>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     cros-qcom-dts-watchers@...omium.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] arm64: dts: qcom: acer-aspire1: Correct audio codec
 definition

Konrad Dybcio писал(а) 31.10.2023 02:48:
> On 27.10.2023 16:42, Nikita Travkin wrote:
>> When initially added, a mistake was made in the definition of the codec.
>>
>> Despite the fact that the DMIC line is connected on the side of the
>> codec chip, and relevant passive components, including 0-ohm resistors
>> connecting the dmics, are present, the dmic line is still cut in
>> another place on the board, which was overlooked.
>>
>> Correct this by replacing the dmic configuration with a comment
>> describing this hardware detail.
>>
>> While at it, also add missing regulators definitions. This is not a
>> functional change as all the relevant regulators were already added via
>> the other rail supplies.
>>
>> Fixes: 4a9f8f8f2ada ("arm64: dts: qcom: Add Acer Aspire 1")
>> Signed-off-by: Nikita Travkin <nikita@...n.ru>
>> ---
>>  arch/arm64/boot/dts/qcom/sc7180-acer-aspire1.dts | 17 +++++++++++++++--
>>  1 file changed, 15 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7180-acer-aspire1.dts b/arch/arm64/boot/dts/qcom/sc7180-acer-aspire1.dts
>> index cfde8cd47107..00b442696618 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7180-acer-aspire1.dts
>> +++ b/arch/arm64/boot/dts/qcom/sc7180-acer-aspire1.dts
>> @@ -209,9 +209,22 @@ alc5682: codec@1a {
>>  		AVDD-supply = <&vreg_l15a_1p8>;
>>  		MICVDD-supply = <&reg_codec_3p3>;
>>  		VBAT-supply = <&reg_codec_3p3>;
>> +		DBVDD-supply = <&vreg_l15a_1p8>;
>> +		LDO1-IN-supply = <&vreg_l15a_1p8>;
>> +
>> +		/*
>> +		 * NOTE: The board has a path from this codec to the
>> +		 * DMIC microphones in the lid, however some of the option
>> +		 * resistors are absent and the microphones are connected
>> +		 * to the SoC instead.
> Would that not also require more DT changes and maybe UCM?

I don't think I had any other descriptions to support the dmic in
the initial set (first audio support for this board is 3/3 here)
and there is no upstream UCM yet - I will probably hold it off until
I get vamacro and dmic on it working.

Nikita

> 
> Konrad