Comment 37 for bug 77739

New packages (thanks yleetiny) :

http://data.likide.homelinux.org/hal-sony-lcd-wa_0.5-1_i386.deb
http://data.likide.homelinux.org/hal-sony-lcd-wa_0.5-1_amd64.deb

The num_levels bug affects gnome-power-manager because when it encounters out of range value at starting, it doesn't set desired brightness value.