#!/system/bin/sh
if [ -z "$1" ]; then
    echo "usage: `basename $0` delay"
    exit
fi
su -c 'echo getsu > /dev/null'
echo "Tap power button 2x quickly to restore"
sleep $1
su -c 'echo 0 > /sys/class/leds/lcd-backlight/brightness'

echo 0 > /sys/class/leds/lcd-backlight/brightness

echo 1 > /sys/class/leds/lcd-backlight/brightness