I had this problem with 3.19.0-18-generic, and reading this bug prompted me to reboot and select instead 3.19.0-16-generic, and now I see hdmi audio as an option again, and it works fine.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1458478 Title: No HDMI audio output on newer kernel (3.19.0-18). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1458478/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
