I think I've found the problem. It's probably because of the recently-added jack sensing thing for AD1986A_LAPTOP_EAPD models. I don't think any more it's related to the Ultra model.
-- sound inaudible for certain ASUS laptops using AD1986* HDA codec(s) https://bugs.launchpad.net/bugs/105582 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list [EMAIL PROTECTED] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs