Init has no idea of the screen brightness.. that 's just another thing the author pull out from his back-passage. a separate service systemd-backlight@.service(

Init has no idea of the screen brightness.. that 's just another thing the author pull out from his back-passage. a separate service systemd-backlight@.service(8) saves and restores the backlight state, because firmware does not remember it or if it does, it is buggy.