{ config , lib , pkgs , ... }: { boot.kernelParams = [ "hid_apple.iso_layout=0" ]; powerManagement = { cpuFreqGovernor = "schedutil"; powerUpCommands = lib.mkBefore "${pkgs.kmod}/bin/modprobe brcmfmac"; powerDownCommands = lib.mkBefore "${pkgs.kmod}/bin/rmmod brcmfmac"; }; hardware.facetimehd.enable = lib.mkDefault (config.nixpkgs.config.allowUnfree or false); services.mbpfan.enable = lib.mkDefault true; }