Hello,
Is there a way to turn off screen at startup ?
I have tried several method but all failed
1.
I am trying to write directly to backlight property "echo 0 > /sys/..../
backlight
But it only gets the screen darker, but not turned off
2. Delete lib*GL*.so libgui.so, libsurfaceflinger* ,
In this case, there is display on screen (except for the boot screen ,
which I will handle later).
But, only after a very long time, I can do adb shell, and then I can't
do su (timeout or unable to connect ui returned error)
3. doing input keyevent 26 succeeds, but I can't use it in startup, because
it works only when screen is on (I need it to be off from startup).
Thanks you for any idea.
Ranchu
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