In my up-to-date gutsy, GetBrightness returns uint instead of int:
snifer@snifer-laptop:~$ dbus-send --system --print-reply --dest=org.freedesktop.Hal /org/freedesktop/Hal/devices/computer_backlight org.freedesktop.Hal.Device.LaptopPanel.GetBrightness method return sender=:1.3 -> dest=:1.31 reply_serial=2 uint32 100
In my up-to-date gutsy, GetBrightness returns uint instead of int:
snifer@ snifer- laptop: ~$ dbus-send --system --print-reply --dest= org.freedesktop .Hal /org/freedeskto p/Hal/devices/ computer_ backlight org.freedesktop .Hal.Device. LaptopPanel. GetBrightness
method return sender=:1.3 -> dest=:1.31 reply_serial=2
uint32 100