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charset="utf-8" Add support for playing audio over USB DisplayPort (the two left USB-C ports on the CRD device). Reviewed-by: Konrad Dybcio Signed-off-by: Krzysztof Kozlowski Reviewed-by: Dmitry Baryshkov --- Changes since v3: 1. This time really drop sound-name-prefix. Forgot to actually implement this in v3. v2: https://patch.msgid.link/20250624122933.54776-2-krzysztof.kozlowski@lin= aro.org Answering comments: 1. No clue about third port. I do not have a reliable working CRD device, so I cannot test it. I add what I tested. 2. Topology and Alsa UCM were merged long time ago, so btw without this patch CRD is negativelly affected or even broken (ALSA tries to configure non-existing DAI links)... Changes since v2: 1. Rebase - sound-name-prefix are now part of DTSI. v2: https://patch.msgid.link/20250624122933.54776-2-krzysztof.kozlowski@lin= aro.org Changes since v1: 1. Rebase (x1-crd.dtsi appeared) 2. Re-order cpu/codec 3. Add blank line before status for mdss_dp 4. Tags --- arch/arm64/boot/dts/qcom/x1-crd.dtsi | 32 ++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/x1-crd.dtsi b/arch/arm64/boot/dts/qco= m/x1-crd.dtsi index ded96fb43489..c0c7ddabd8fc 100644 --- a/arch/arm64/boot/dts/qcom/x1-crd.dtsi +++ b/arch/arm64/boot/dts/qcom/x1-crd.dtsi @@ -226,6 +226,38 @@ sound { "VA DMIC3", "MIC BIAS1", "TX SWR_INPUT1", "ADC2_OUTPUT"; =20 + displayport-0-dai-link { + link-name =3D "DisplayPort0 Playback"; + + codec { + sound-dai =3D <&mdss_dp0>; + }; + + cpu { + sound-dai =3D <&q6apmbedai DISPLAY_PORT_RX_0>; + }; + + platform { + sound-dai =3D <&q6apm>; + }; + }; + + displayport-1-dai-link { + link-name =3D "DisplayPort1 Playback"; + + codec { + sound-dai =3D <&mdss_dp1>; + }; + + cpu { + sound-dai =3D <&q6apmbedai DISPLAY_PORT_RX_1>; + }; + + platform { + sound-dai =3D <&q6apm>; + }; + }; + wcd-playback-dai-link { link-name =3D "WCD Playback"; =20 --=20 2.51.0