Adding the quirk fixes it for me. I'm running Dapper on a Latitude D600.
LSPCI attached... ** Attachment added: "lspci -nv" http://librarian.launchpad.net/5086749/myfile -- [Regression] Master volume does not work when headphones are connected. https://launchpad.net/bugs/26150 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
