Asus backlight/backlit keyboard suspend/resume

80_asus-kbd-backlight

#!/bin/bash
## /etc/pm/sleep.d/80_asus-kbd-backlight

BRIGHTNESS_FILE="/sys/devices/platform/asus-nb-wmi/leds/asus::kbd_backlight/brightness"
BRIGHTNESS_BAK_FILE="/var/lib/asus-kbd-backlight/brightness"
DEFAULT=1


case "$1" in
	thaw|resume)
		if [ -f "$BRIGHTNESS_BAK_FILE" ] ; then {
			#Restores the last value
			cat "$BRIGHTNESS_BAK_FILE" > "$BRIGHTNESS_FILE"
		} else {
			#Sets the default value
			echo "$DEFAULT" > "$BRIGHTNESS_FILE"
		} fi
		;;
	hibernate|suspend)
		#Turn of the backlight
		echo 0 > "$BRIGHTNESS_FILE"
		;;
esac


exit 0