see : http://lwn.net/Articles/221465/ Support for the macpro variant of hda-intel has just been added to alsa ...
-- Sound (Intel hda, ALC88x) doesn't work (MacPro) https://launchpad.net/bugs/65013 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
