I ran into the same problem when setting up a retroarch based gaming system with Armbian Debian Trixie. I wanted to use my Dualsense 4 controller with it but couldn't get it to work on Vendor or Current. I later realized that you need to enable `LEDS_CLASS_MULTICOLOR` and `HID_PLAYSTATION` for it to work with the controller. This was only present from the kernel 6.2 and involved compiling the kernel after enabling those flags. I got that working in current and edge but I lost HDMI-CEC. The edge kernel at the time is 6.18.0 for rock 5b. Is there any way forward to get both functionalities working? I see that HDMI-CEC is listed as `n/a` under rock 5b here: https://gitlab.collabora.com/hardware-enablement/rockchip-3588/notes-for-rockchip-3588/-/blob/main/mainline-status.md.
