哦的确是,我看了下 linux 下的shutdown脚本
#!/bin/sh
#clean LCD
[ -c /dev/fb0 ] && dd if=/dev/zero of=/dev/fb0
#turn off back-light of LCD
echo 0 > /dev/backlight
#then...
if [ x$1 = x-r ] ; then
exec reboot
else
exec halt
fi
看样子也只是把LCD关了底层照样卡死
所以我也就在安卓下写了一个android关lcd的脚本勉强凑合用吧
#!/bin/sh
#clean LCD
[ -c /dev/graphics/fb0 ] && dd if=/dev/zero of=/dev/graphics/fb0
#turn off back-light of LCD
echo 0 > /dev/backlight-1wire