[Bug 19168] xset dpms force off does not turn off LCD backlight

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=19168





--- Comment #8 from Thomas Champagne <lafeuil at gmail.com>  2008-12-20 06:54:15 PST ---
(In reply to comment #5)
> Created an attachment (id=21325)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=21325) [details]
> possible fix
> 
> This implements the on chip backlight control, not all oems use it.  It might
> work for you, it might not.  Also, depending on how the backlight is wired up,
> the levels may be reversed (not sure whether 0 = on or off and 255 = on or
> off).
> if it doesn't work, try switching the levels in the patch.  I've got the
> alternate setting commented out below the main one, so just switch the
> comments.  Make sure you switch both the enable and disable paths.
> 

I tested your patch but when I run Xorg, the brightness was always very low
(zero) and the backlight wasn't switch off. 

I test the current git repository without patch and the driver works very well
but this backlight bug is present. 


-- 
Configure bugmail: http://bugs.freedesktop.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.