[ALSA] HDA: Add more systems to Sigmatel codec

This patch adds more Dell systems and a Panasonic laptop with
STAC9200 codecs.

Signed-off-by: Tobin Davis <tdavis@dsl-only.net>
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 6e6818c..7188c9c 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -474,6 +474,14 @@
 		      "Dell Precision M90", STAC_REF),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01d6,
 		      "unknown Dell", STAC_REF),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01d8,
+		      "Dell Inspiron 640m", STAC_REF),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01f5,
+		      "Dell Inspiron 1501", STAC_REF),
+
+	/* Panasonic */
+	SND_PCI_QUIRK(0x10f7, 0x8338, "Panasonic CF-74", STAC_REF),
+
 	{} /* terminator */
 };