{
  services = {
    udev.extraHwdb = ''
      evdev:input:b0011v0001p0001eAB83*
        KEYBOARD_KEY_d5=sysrq
        KEYBOARD_KEY_d4=leftmeta
        KEYBOARD_KEY_95=brightnessdown
        KEYBOARD_KEY_91=brightnessup
    '';
    keyd = {
      enable = true;
      keyboards.default = {
        ids = ["0001:0001"];
        settings.main = {
          camera = "brightnessdown";
          prog1 = "brightnessup";
        };
      };
    };
  };
}