[Pkg-xfce-devel] Bug#627336: Bug#627336: xfce4-power-manager: Not enough brightness levels

[evgeni at debian.org (Evgeni Golov)]

On 05/19/2011 07:02 PM, Christophe TROESTLER wrote:

> xfce4-power-manager set the brightness by steps of 2 (seems to skip
> one when lowering the brightness but to issue twice the command
> ?/usr/sbin/xfpm-power-backlight-helper --set-brightness ..? for two
> consecutive levels when increasing the brightness).  It detects
> correctly the number of brightness levels as
> ?/usr/sbin/xfpm-power-backlight-helper --get-max-brightness? returns
> ?15?.  Also, I can set directly the desired brightness level by
> writing it to /sys/class/backlight/acpi_video0/brightness
> 
> Note that version 0.8.5-2 did not have that problem.

Does the machine happen to be a Thinkpad or another machine where the
brightness keys work on their own (or with acpi-video).
If so, this sounds like https://bugzilla.xfce.org/show_bug.cgi?id=7541
to me.