[Gta04-owner] new lxde image: how does screen blanking work?

arne anka openmoko at ginguppin.de
Sun May 19 03:21:55 CEST 2013


> What you see above is the controlling of the LCD driver and electronics  
> within the LCD module.
>
>>
>> and the screen turns ... white.
>
> It does not automatically turn off backlight - this is why you see a  
> white screen.

ok, new question: who is actually responsible for the blanking?
with the old kernel i was able to get  a workaround with xscreensaver and  
xscreensaver-command -watch.
but now, xscreensaver never fires, and thus xscreensaver-command -watch  
never gets to execute the script i wrote.

when manually activating xscreensaver, it blanks as expected, but when  
only configuring it to trigger after 1min, screen goes white and, as said,  
xscreensaver never fires its BLANK event (and tapping the screen to  
unblank not UNBLANK).

so: who does that blanking?


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