{lib, ...}: {
  programs.waybar.settings.bar-0."custom/kbd-backlight" = lib.mkDefault {
    exec = "cat /sys/class/leds/chromeos::kbd_backlight/brightness";
    interval = 1;
    format = "{}% {icon}";
    format-icons = ["󰌌"];
    on-scroll-up = "light -s sysfs/leds/chromeos::kbd_backlight -A 5%";
    on-scroll-down = "light -s sysfs/leds/chromeos::kbd_backlight -U 5%";
  };
}