HID: multitouch: add support for eGalax 0x722a

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index e5e3286..e0bac4f 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -241,6 +241,7 @@
 #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