[Bug 99126] [945GME] wrong scale for backlight with Xfce

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99126

--- Comment #6 from Rpnpif <rpnpif at free.fr> ---
On my Asus 901 system,
Here are the values of /sys/class/backlight/intel_backlight/brigthness for each
pressure on the function key to increase the backlight brightness on Xfce.

79664   : The backlight is yet off instead of a minimum brightness.
159324
239008
318648
398399
477972
557674
637296
716999
796798  : The brightness is maximum
796798  : a new last pressing on the key does not change the value but the seen
brightness is less high than the previous pressure. It should be the same.
Other pressures does not change the brightness that remain to a not maximum
value instead to be maximum as that it should be.

On the lightdm screen, all work fine.

Perhaps, Xfce use /sys/class/backlight/eeepc/brigthness and lightdm use
/sys/class/backlight/intel_backlight/brigthness. I do not known but the scale
should be the same.

I conclude that there is a kind of scale issue.

Regards.

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