00-backlight-off

GPE内核镜像文件 已在qemu上跑过的

#! /bin/sh
#
# Copyright Matthias Hentges <[e-mail]> (c) 2006
# License: GPL (see http://www.gnu.org/licenses/gpl.txt for a copy of the license)
#
# Filename: zaurus-hinge.bl-off
# Date: 04-Jun-06

DRIVER="`ls /sys/class/backlight/|head -n 1`"
BRIGHTNESS_FILE="/sys/class/backlight/$DRIVER/brightness"

if mkdir /var/run/display_brightness.lock
then
	cat "$BRIGHTNESS_FILE" > /var/run/display_brightness.tmp
	echo 0 > "$BRIGHTNESS_FILE"
	rm -rf /var/run/display_brightness.lock
else
	echo "BRIGHTNESS IS LOCKED"
fi