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

Neil Armstrong
2026-02-20T15:04:58Z

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