Re: [PATCH v5 8/9] arm64: dts: qcom: sm8650: Add sound DAI prefix for DP

Bartosz Golaszewski
2026-02-20T15:24:38Z

On Fri, 20 Feb 2026 16:04:47 +0100, Neil Armstrong
<neil.armstrong@linaro.org> said:
> Sound DAI devices exposing same set of mixers, e.g. each DisplayPort
> controller, need to add dedicated prefix for these mixers to avoid
> conflicts and to allow ALSA to properly configure given instance.
>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
> 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 758f87a10d8e..6705922c4d45 100644
> --- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> @@ -5960,6 +5960,7 @@ mdss_dp0: displayport-controller@af54000 {
> phy-names = "dp";
>
> #sound-dai-cells = <0>;
> + sound-name-prefix = "DisplayPort0";
>
> status = "disabled";
>
>
> --
> 2.34.1
>
>

Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>