https://bugzilla.kernel.org/show_bug.cgi?id=104901
as alienware 18 also use alc668 , you have to follow up the upstream bug report ** Bug watch added: Linux Kernel Bug Tracker #104901 http://bugzilla.kernel.org/show_bug.cgi?id=104901 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516025 Title: Realtek ALC3661 Alienware14 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516025/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs