If I enable lenovo-sl-laptop module (sudo modprobe lenovo-sl-laptop) then it works. Another question is why this module is not enabled automatically if hardware supports it (Bug #448157).
-- [Karmic] Lenovo SL500 volume up/down and mute keys don't work https://bugs.launchpad.net/bugs/434568 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