[ALSA] Include quirks from Ubuntu Dapper/Edgy/Feisty

Included is a patch against current alsa-kernel hg tip adding
quirks that Ubuntu Dapper/Edgy/Feisty contains.

Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 93ae9c2..a6a0a80 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -467,6 +467,8 @@
 		      "Dell XPS M1710", STAC_REF),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01cf,
 		      "Dell Precision M90", STAC_REF),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01d6,
+		      "unknown Dell", STAC_REF),
 	{} /* terminator */
 };