linux-kernel - Re: [PATCH 23/23] arm64: dts: qcom: sm8650: add sound prefix for wsa2

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Message-ID: <cc8a805a-2bb7-4fb5-8e53-59b44caf8438@linaro.org>
Date: Thu, 24 Jul 2025 10:20:54 +0200
From: neil.armstrong@...aro.org
To: srinivas.kandagatla@....qualcomm.com, andersson@...nel.org,
 konradybcio@...nel.org
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 cros-qcom-dts-watchers@...omium.org, linux-arm-msm@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 23/23] arm64: dts: qcom: sm8650: add sound prefix for wsa2

On 24/07/2025 00:27, srinivas.kandagatla@....qualcomm.com wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
> 
> WSA and WSA2 are two instances of WSA codec macro, this can lead
> dupicate dapm widgets and mixers resulting in failing to probe

duplicate

> soundcard if both of these instances are part of the dai-link.
> 
> Correct way to address this is to add sound-name-prefix to WSA2
> instances to avoid such confilcting mixers and dapm widgets.

conflicting

> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
> ---
>   arch/arm64/boot/dts/qcom/sm8650.dtsi | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> index 5212000bf34c..8b43ded297c8 100644
> --- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> @@ -4526,6 +4526,7 @@ lpass_wsa2macro: codec@...0000 {
>   			#clock-cells = <0>;
>   			clock-output-names = "wsa2-mclk";
>   			#sound-dai-cells = <1>;
> +			sound-name-prefix = "WSA2";
>   		};
>   
>   		swr3: soundwire@...0000 {

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>