linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: sm8550-qrd: add port mapping to speakers

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Date: Thu, 27 Jun 2024 14:32:59 +0200
From: neil.armstrong@...aro.org
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.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 3/3] arm64: dts: qcom: sm8550-qrd: add port mapping to
 speakers

On 27/06/2024 14:20, Krzysztof Kozlowski wrote:
> Add appropriate mappings of Soundwire ports of WSA8845 speaker.  This
> solves second (south) speaker sound distortions when playing audio.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> Bindings:
> https://lore.kernel.org/all/20240626-port-map-v1-3-bd8987d2b332@linaro.org/
> 
> Can be applied independently, if bindings are fine.
> ---
>   arch/arm64/boot/dts/qcom/sm8550-qrd.dts | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> index d27820fb5fc0..de40cb623c8c 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> @@ -935,6 +935,7 @@ north_spkr: speaker@0,0 {
>   		sound-name-prefix = "SpkrLeft";
>   		vdd-1p8-supply = <&vreg_l15b_1p8>;
>   		vdd-io-supply = <&vreg_l3g_1p2>;
> +		qcom,port-mapping = <1 2 3 7 10 13>;
>   	};
>   
>   	/* WSA8845, Speaker South */
> @@ -948,6 +949,7 @@ south_spkr: speaker@0,1 {
>   		sound-name-prefix = "SpkrRight";
>   		vdd-1p8-supply = <&vreg_l15b_1p8>;
>   		vdd-io-supply = <&vreg_l3g_1p2>;
> +		qcom,port-mapping = <4 5 6 7 11 13>;
>   	};
>   };
>   

At some point I got the exact same change, but I guess I was missing the WSA macro register
shift so this did nothing...

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