As the patch only works for new gen macbooks, here is the content of my /proc/asound/card0/codec#0.
** Attachment added: "codec#0 content" http://librarian.launchpad.net/6893794/codec -- internal speakers do not work on MacBook Pro https://launchpad.net/bugs/87253 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
