From e482de09d4895e84bc88736f94f0b6b4d5f30076 Mon Sep 17 00:00:00 2001 From: Le Qi Date: Fri, 9 Oct 2026 10:56:25 +0800 Subject: [PATCH 1/2] FROMLIST: arm64: dts: qcom: hamoa-iot-evk: add missing DP2 audio link The DP2 DAI link is missing from the sound card definition, preventing audio playback over the third DisplayPort interface. Add the required codec, CPU, and platform DAI configuration. Audio playback over DP2 has been verified with this change. Link: https://lore.kernel.org/all/20261009025831.1476396-1-le.qi@oss.qualcomm.com/ Signed-off-by: Le Qi --- arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts index d17a958b4544e..8823ebd083361 100644 --- a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts +++ b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts @@ -609,6 +609,22 @@ sound-dai = <&q6apm>; }; }; + + dp2-dai-link { + link-name = "DP2 Playback"; + + codec { + sound-dai = <&mdss_dp2>; + }; + + cpu { + sound-dai = <&q6apmbedai DISPLAY_PORT_RX_2>; + }; + + platform { + sound-dai = <&q6apm>; + }; + }; }; wifi-bt-connector { From b1eff63d60195d4ec8e9437a9641f52a693192f1 Mon Sep 17 00:00:00 2001 From: Le Qi Date: Fri, 9 Oct 2026 11:02:24 +0800 Subject: [PATCH 2/2] FROMLIST: arm64: dts: qcom: purwa-iot-evk: add missing DP2 audio link The DP2 DAI link is missing from the sound card definition, preventing audio playback over the third DisplayPort interface. Add the required codec, CPU, and platform DAI configuration to enable audio playback over DP2. Link: https://lore.kernel.org/all/20261009030404.1981995-1-le.qi@oss.qualcomm.com/ Signed-off-by: Le Qi --- arch/arm64/boot/dts/qcom/purwa-iot-evk.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts index 1b99d9b22394b..40a5123bd677e 100644 --- a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts +++ b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts @@ -641,6 +641,22 @@ sound-dai = <&q6apm>; }; }; + + dp2-dai-link { + link-name = "DP2 Playback"; + + codec { + sound-dai = <&mdss_dp2>; + }; + + cpu { + sound-dai = <&q6apmbedai DISPLAY_PORT_RX_2>; + }; + + platform { + sound-dai = <&q6apm>; + }; + }; }; wifi-bt-connector {