diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index adb9841..98053de 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -239,6 +239,7 @@
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207	0x7207
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C	0x720c
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224	0x7224
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A	0x722A
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E	0x725e
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262	0x7262
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B	0x726b
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 47a74cc..996fd64 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -684,6 +684,9 @@ static const struct hid_device_id mt_devices[] = {
 	{ .driver_data = MT_CLS_EGALAX_SERIAL,
 		HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
 			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
+	{ .driver_data = MT_CLS_EGALAX_SERIAL,
+		HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
 	{ .driver_data = MT_CLS_EGALAX,
 		HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
 			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },