I've installed Jaunty and I want to report the brightness behaviour
there; I hope I didn't need to open a new bug report.

* I again blacklisted the video module because of the same problem (each
key changing the brightness twice).

* With the default /usr/share/hal/fdi/information/10freedesktop/10
-laptop-panel-hardware.fdi file, laptop_brightness_in_hardware was not
defined, and I assume it defaults to false, because the brightness
adjustment window had a "software brightness level" of its own, and when
I changed the brightness too rapidly the software level was different
than the hardware level and there were glitches.

* I overwritten 10-laptop-panel-hardware.fdi with the new version Martin 
uploaded here; now I have laptop_panel.brightness_in_hardware = true and this 
saved me from the previous glitches while rapidly changing the brightness.
Now the problem is that the brightness adjustment window always thinks the 
level is zero; it can't read the hardware brightness level.
Nevertheless, `cat 
/sys/devices/platform/acer-wmi/backlight/acer-wmi/actual_brightness` does allow 
me to see the correct brightness level, so the kernel knows about it.

Any help with the last problem?

-- 
Acer Aspire 5920G - some Fn keys not working
https://bugs.launchpad.net/bugs/338328
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