Re: [2.6.15] screen remains blank after LID switch use

From: Jan De Luyck
Date: Mon Jan 16 2006 - 04:28:34 EST


On Monday 16 January 2006 10:01, Arlen Christian Mart Cuss wrote:
> Check out /proc/acpi - you should find a few things that you can tinker
> with, including one for your screen; often called `lcd'. If you "echo 1
>
> > lcd" in the right directory, it should switch it on. "echo 0 > lcd"
>
> switches it off. Whatever is managing your power that turns it off,
> isn't turning it back on. Look into these. It's not likely to be the
> console/X driver's fault.

Okay, thanks for that information. After some further googling I came up with
this:

# echo 0x80000001 > /proc/acpi/video/VID/LCD/state

and the screen comes back to life. Thanks!

Jan

--
To err is human, to forgive is against company policy.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/