FYI (not sure if this helps at all) -- When I run "acpi_listen", and press the Fn keys for screen brightness (F5/F6), I get the following:
video LCDD 00000087 00000000 video LCDD 00000086 00000000 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1213259 Title: Regression - Several ACPI calls no longer work on ASUS G75VW To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1213259/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs