This bug is a mess. OP has not even provided alsa information, and 10 people with different systems (and probably different audio codecs) have said it affects them too, even after David Henningsson asked them to file separate bugs in comment 15.
To inquiTrance: please run the following command to collect information: apport-collect 990211 ** Changed in: alsa-driver (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/990211 Title: [Dell XPS 14] Mic not working in Ubuntu 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/990211/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs