diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 2535c1a..f7ef9c5 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -457,6 +457,10 @@
 		      "Dell Latitude 120L", STAC_REF),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01cc,
 		      "Dell Latitude D820", STAC_REF),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01cd,
+		      "Dell Inspiron E1705/9400", STAC_REF),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01ce,
+		      "Dell XPS M1710", STAC_REF),
 	{} /* terminator */
 };