Comment 32 for bug 960124

If you're using the 3.5 kernel you need the dkms-hda-lts-quantal package instead, quoting https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS

"Note the difference between the quantal version dkms-hda and the precise version of dkms-hda-lts-quantal : If you're running Ubuntu 12.10, you should use dkms-hda of quantal, whereas dkms-hda-lts-quantal of precise is for users of Ubuntu 12.04 that are running the backport kernel (the linux-image-generic-lts-quantal package)."