#!/bin/sh backlight_enabled() { return 0 } backlight_run() { msg "Setting up display backlight..." for dev in /sys/class/backlight/*; do if [ -e "$dev/brightness" ]; then echo "Found backlight on $i: $dev" > /dev/kmsg echo 255 > "$dev/brightness" echo "Backlight set to 255" > /dev/kmsg return 0 fi done echo "No backlight device found" > /dev/kmsg }