Le vendredi 05 décembre 2008 à 14:26 +0100, Michael Biebl a écrit :
Josselin Mouette wrote:
X Utopia people: do you know what it means when neither g-p-m (through
HAL) nor xbacklight (through XRandR) work to change the backlight of a
display? Is it a problem in the kernel?
I can't
Josselin Mouette wrote:
Le vendredi 05 décembre 2008 à 09:40 +0900, Charles Plessy a écrit :
Le Thu, Dec 04, 2008 at 05:54:35PM +0100, Josselin Mouette a écrit :
Does it work when you set the brightness with xbacklight? It doesn’t
work anymore on my system, and I’m pretty sure it used to. The
On Fri, Dec 5, 2008 at 14:37:35 +0100, Josselin Mouette wrote:
Le vendredi 05 décembre 2008 à 14:26 +0100, Michael Biebl a écrit :
Josselin Mouette wrote:
X Utopia people: do you know what it means when neither g-p-m (through
HAL) nor xbacklight (through XRandR) work to change the
Le vendredi 05 décembre 2008 à 15:23 +0100, Julien Cristau a écrit :
What's the value of the BACKLIGHT_CONTROL randr property in the
working/non-working cases? (xrandr --prop will list it)
Here it is listed as:
BACKLIGHT_CONTROL: kernel
supported: native legacy
reassign 506644 linux-2.6
thanks
Le vendredi 05 décembre 2008 à 15:06 +, Sjoerd Simons a écrit :
Check if you hav e a class backlight device in /sys (iotw something under
/sys/class/backlight). If so you should be able to control the backlight via
hal. You can test the kernel by echoing
On Fri, Dec 05, 2008 at 03:35:48PM +0100, Josselin Mouette wrote:
Le vendredi 05 décembre 2008 à 15:23 +0100, Julien Cristau a écrit :
What's the value of the BACKLIGHT_CONTROL randr property in the
working/non-working cases? (xrandr --prop will list it)
Here it is listed as:
Le Fri, Dec 05, 2008 at 04:20:07PM +0100, Josselin Mouette a écrit :
Indeed, the kernel support seems broken. I can change the values
in /sys/class/backlight/acpi_video0/brightness but they have no impact
on the brightness.
Charles, setting xrandr --output LVDS --set BACKLIGHT_CONTROL native
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