+# copy to /usr/lib/systemd/system/ (at least on Arch Linux)
+
+[Unit]
+Description=Load/Save Screen Backlight Brightness of backlight:mba6x_backlight
+DefaultDependencies=no
+RequiresMountsFor=/var/lib/systemd/backlight
+Conflicts=shutdown.target
+After=systemd-remount-fs.service
+Before=sysinit.target shutdown.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/usr/lib/systemd/systemd-backlight load backlight:mba6x_backlight
+ExecStop=/usr/lib/systemd/systemd-backlight save backlight:mba6x_backlight
+
+[Install]
+WantedBy=multi-user.target