Pulseaudio did not see that channel as far as I know. My Sound Preferences dialog no longer shows my hardware anymore now too... See the attached screenshot.
** Attachment added: "Screenshot-Sound Preferences-2.png" http://launchpadlibrarian.net/30245831/Screenshot-Sound%20Preferences-2.png -- Sound Preferences provide insufficient detail for macbook on Karmic https://bugs.launchpad.net/bugs/411567 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