HID: multitouch: Add support for eGalax 0x73f7

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 0f70004..5f68149 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -269,6 +269,7 @@
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA	0x72fa
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302	0x7302
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349	0x7349
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7	0x73f7
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001	0xa001
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224      0x7224
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0      0x72d0
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 86963a9..4a8048d 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -883,6 +883,9 @@
 			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
 	{ .driver_data = MT_CLS_EGALAX_SERIAL,
 		MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
+			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
+	{ .driver_data = MT_CLS_EGALAX_SERIAL,
+		MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
 			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
 	{ .driver_data = MT_CLS_EGALAX,
 		HID_USB_DEVICE(USB_VENDOR_ID_DWAV,