Validated on Fairphone 5 (QCM6490) smartphone by using DisplayPort over USB-C audio, connected to a TV, with a basic UCM to enable 'DISPLAY_PORT_RX Audio Mixer MultiMedia1': https://gitlab.com/postmarketOS/pmaports/-/tree/master/device/testing/device-fairphone-fp5/ucm Unfortunately all the device-specific things can't be enabled yet upstream as detailed in the second patch, but the SoC parts should be good to go. As an extra note, I'm not sure how this will behave on SC7280 devices that seem to use GPR (q6apm + q6prm) / "audioreach" as added in this series from mid 2023 which was never applied: https://lore.kernel.org/linux-arm-msm/20230616103534.4031331-1-quic_mohs@xxxxxxxxxxx/ Signed-off-by: Luca Weiss <luca.weiss@xxxxxxxxxxxxx> --- Luca Weiss (2): arm64: dts: qcom: sc7280: Add APR nodes for sound [DNM] arm64: dts: qcom: qcm6490-fairphone-fp5: Add DisplayPort sound support arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 36 +++++++++++ arch/arm64/boot/dts/qcom/sc7280.dtsi | 73 ++++++++++++++++++++++ 2 files changed, 109 insertions(+) --- base-commit: 940d65ef852b4a58c9115eb82b07844c999b8356 change-id: 20240510-sc7280-apr-c6d10ac2c331 Best regards, -- Luca Weiss <luca.weiss@xxxxxxxxxxxxx>
