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

Neil Armstrong posted 9 patches 1 month, 1 week ago
There is a newer version of this series
[PATCH v5 8/9] arm64: dts: qcom: sm8650: Add sound DAI prefix for DP
Posted by Neil Armstrong 1 month, 1 week ago
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
Re: [PATCH v5 8/9] arm64: dts: qcom: sm8650: Add sound DAI prefix for DP
Posted by Bartosz Golaszewski 1 month, 1 week ago
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>