With precise-23.36 kernel, this issue is still around. After upgrade kernel to 3.2.0-24.37, Fn+F9 can toggle touchpad correctly.
I will say the varification is done. ** Tags added: verification-done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/969334 Title: Support of Sentelic touchpad in Asus K53U notebook To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/969334/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
