linux-kernel - Re: [PATCH] arm64: dts: qcom: x1e80100-crd: add sound card

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Message-ID: <b8c52d6e-2e02-4c53-9ec0-e06460a098e7@linaro.org>
Date: Mon, 12 Feb 2024 19:25:35 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Konrad Dybcio <konrad.dybcio@...aro.org>,
 Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...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] arm64: dts: qcom: x1e80100-crd: add sound card

On 09/02/2024 22:26, Konrad Dybcio wrote:
> On 7.02.2024 09:56, Krzysztof Kozlowski wrote:
>> Add sound card to X1E80100-CRD board and update DMIC supply.
>> Full schematics are not available and the limited available parts
>> suggest that DMIC0-1 use BIAS3 and DMIC2-3 use BIAS1.  The DMIC supply
>> is unknown except one remark for VREG_L1B that it is "used for DMIC if
>> no WCD".
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>>
>> ---
> 
> I have little idea how these things are connected, but brain compiler
> says it looks sane..
> 

I managed to get DMICs working (to my surprise!), so I will send v2 with
Rb tag and updates.

Best regards,
Krzysztof