Let me say that I tested again to verify that this bug just happens when I am using the OpenSource ATI video drivers. When I am using proprietary drivers it just works as expected.
I don't use proprietary drivers because I can't hibernate using them. Seth, here is the output of acpi_listen (while using ATI proprietary drivers, no bug): root@cas-netbook:/home/cas# acpi_listen video LCD 00000086 00000000 video LCD 00000087 00000000 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/872895 Title: Acer AO522 brigtness level keys wrongly working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/872895/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs