I think this is related to https://bugs.launchpad.net/ubuntu/+source/hal/+bug/201433, except for the drivers involved. Actually looks like the drivers are not working correctly, but APCI is, so why not just use ACPI in hal for changing the brightness?
-- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs