There is a patch referencing this bug in the upstream 3.13-rc4 kernel.
commit 0dfb9809e93b60946d1915b554138eb93595860c - ALSA: hda - Another Dell headset detection quirk
There is a patch referencing this bug in the upstream 3.13-rc4 kernel.
commit 0dfb9809e93b609 46d1915b554138e b93595860c - ALSA: hda - Another Dell headset detection quirk