{ ... }: { jovian = { steam = { enable = true; autoStart = true; user = "deck"; desktopSession = "gnome"; }; steamos = { useSteamOSConfig = true; }; devices = { steamdeck = { enable = true; enableGyroDsuService = true; # If enabled, motion data from the gyroscope can be used in Cemu with Cemuhoo }; }; hardware.has.amd.gpu = true; }; }