Well, it never worked out of the box on my laptop...but I compiled a program called fsfn to make it work. The difference is that edgy and dapper both had the sony_acpi module included already. I don't know if this is the only problem though, but it is missing.
-- sony vaio FN keys and brightness not working https://launchpad.net/bugs/83660 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs