I'm using 10.10 Maverick Meerkat, and can confirm that the keys for panel brightness work on my Lenovo Ideapad S10-3.
tom@netbook:~$ uname -a Linux netbook 2.6.35-27-generic #48-Ubuntu SMP Tue Feb 22 20:25:46 UTC 2011 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/538256 Title: Screen brightness not controllable on Lenovo Ideapad S10-3, U350, and Z360 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs