if you think it is a regression, you need to contact the author who submit the patch
http://git.kernel.org/?p=linux/kernel/git/tiwai/sound.git;a=commitdiff;h=1a97b7f22774b454531f013638b181803fba470f;hp=9155f82a6a26da4a5b8d2d29f1d31836906b4712 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1033233 Title: [iMac9,1, Realtek ALC889A, Speaker, Internal] No sound at all with kernel 3.5.0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1033233/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs