After a bunch of messing around and with some good advice from Kacper, plus Jim Rorie's comment above, I've been able to get the subwoofer enabled on the MBP5,1 - again this was mainly Kacper's work I really just helped test it.
So Kacper has updated his patch against alsa-driver-1.0.19 to enables the subwoofer now and adds the id for the MBP5,1 so you shouldn't have to manually add model=mb5, it should now automatically be detected! I've attached the latest patch to this bug report as well. He is also going to forward the patch upstream to Alsa so it should be included in a future release - lets hope it make it into Karmic! This should hopefully resolve all the issues in this bug now. I have to say, its pretty awesome to have sound working completely now! ** Attachment added: "Patch to enable L&R speakers + subwoofer and MBP5,1 id automatically" http://launchpadlibrarian.net/26500515/alsa-driver-1.0.19-mb51.patch -- Left speaker doesn't work, controls mixed up on Apple MacBook[Pro] (5,1) https://bugs.launchpad.net/bugs/337314 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs