linux-kernel - Re: [PATCH 4/4] arm64: dts: qcom: sc8280xp-x13s: fix va dmic dai links and routing

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Message-ID: <f39890de-54a9-297b-68ee-41dedd7bdf27@linaro.org>
Date:   Thu, 2 Mar 2023 13:28:29 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        agross@...nel.org, andersson@...nel.org
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        johan+linaro@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] arm64: dts: qcom: sc8280xp-x13s: fix va dmic dai
 links and routing



On 2.03.2023 12:57, Srinivas Kandagatla wrote:
> VA dmics 0, 1, 2 micbias on X13s are connected to WCD MICBIAS1, WCD MICBIAS1
> and WCD MICBIAS3 respectively. Reflect this in dt to get dmics working.
I'm far from good when it comes to sound, but is it expected that
(VA DMICn) are are connected to both (MIC BIASn) and (VA MIC BIAS{1, 1, 3})?

> Also fix dmics to go via VA Macro instead of TX macro to fix device switching.
> 
> Fixes: 8c1ea87e80b4 ("arm64: dts: qcom: sc8280xp-x13s: Add soundcard support")
If that doesn't depend on any driver changes, please Cc stable
so that distros will pick this up.

Konrad
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
>  .../arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> index d18d405d1776..89230112e288 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> @@ -933,9 +933,9 @@
>  		"VA DMIC0", "MIC BIAS1",
>  		"VA DMIC1", "MIC BIAS1",
>  		"VA DMIC2", "MIC BIAS3",
> -		"TX DMIC0", "MIC BIAS1",
> -		"TX DMIC1", "MIC BIAS2",
> -		"TX DMIC2", "MIC BIAS3",
> +		"VA DMIC0", "VA MIC BIAS1",
> +		"VA DMIC1", "VA MIC BIAS1",
> +		"VA DMIC2", "VA MIC BIAS3",
>  		"TX SWR_ADC1", "ADC2_OUTPUT";
>  
>  	wcd-playback-dai-link {
> @@ -986,7 +986,7 @@
>  	va-dai-link {
>  		link-name = "VA Capture";
>  		cpu {
> -			sound-dai = <&q6apmbedai TX_CODEC_DMA_TX_3>;
> +			sound-dai = <&q6apmbedai VA_CODEC_DMA_TX_0>;
>  		};
>  
>  		platform {