Public bug reported:
Binary package hint: gnome-power-manager
90-Add-guarded-brightness-stepping-functions.patch and
91-Using-guarded-and-scaled-stepping-when-dimming.patch are introducing this
bug.
When changing the brightness, the control is not costant and it is really slow.
I explain better what I mean.
When I am at 30% and I want to reduce till 20% I have to press 4 times, when I
am at 20% and I want to reduce till 10% i have to press 5 times.
That means ~15 key press to reduce the backlight from 50 till 10! Totally
unusable. Something like:
60->50: 1 time
50->40: 2 times
40->30: 3 times
30->20: 4 times
20->10: 5 times
10->00: 6 times
...just to give you an idea. This is not the correct behaviour, with
default gnome-power-manager the control is ~ 10% step for each key
event, in ubuntu the control is choppy for this reason.
Removing
"90-Add-guarded-brightness-stepping-functions.patch"
"91-Using-guarded-and-scaled-stepping-when-dimming.patch"
FIXES the bug.
I am wondering, why we have those two patches? :)
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
--
Brightness control is slow and not costant with
90-Add-guarded-brightness-stepping-functions.patch
91-Using-guarded-and-scaled-stepping-when-dimming.patch
https://bugs.launchpad.net/bugs/345318
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