{ config, pkgs, ... }: { systemd.targets.ddcci-backlight = rec { before = [ "modprobe@ddcci.service" "modprobe@ddcci-backlight.service" ]; wants = before; }; systemd.services.display-manager.wants = [ "ddcci-backlight.target" ]; boot.extraModulePackages = [ (pkgs.ddcci-driver-with-global-control.override { inherit (config.boot.kernelPackages) kernel; }) ]; }