On 9.08.2024 10:33 AM, Luca Weiss wrote: > Add the necessary sound card bits and some dts additions to enable sound > over DisplayPort-over-USB-C, e.g. to a connected TV or monitor. > > The UCM files can be found here: > https://gitlab.com/postmarketOS/pmaports/-/tree/master/device/testing/device-fairphone-fp5/ucm > > Two extra notes: > > 1. I don't quite understand whether the sound driver should have > SoC-specific compatible or device-specific compatible. Some earlier > patches by another author for a QCM6490 board and a QCS6490 board use > device-specific compatible - but from what I can tell this is not how > it's generally done for other sound drivers? > > 2. Unfortunately DisplayPort enablement itself for Fairphone 5 is not > upstream yet. This is blocked by DSI display bringup upstream which > is blocked by DSC 1:1:1 not being supported upstream yet and just > working with a hacky patch. Nevertheless, DisplayPort audio was > validated working with no additional sound-related changes so once > DisplayPort gets enabled, sound should also just work upstream. You can enable DP and keep DSI disabled for the time being Konrad
