HID: hid-multitouch: add support for Chunghwa multi-touch panel

Added Chunghwa hid multitouch panel support into hid-multitouch.

Signed-off-by: Austin Zhang <zhang.austin@gmail.com>
Reviewed-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 2bbaad7..aecb5a4 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -173,6 +173,9 @@
 #define USB_DEVICE_ID_CHICONY_MULTI_TOUCH	0xb19d
 #define USB_DEVICE_ID_CHICONY_WIRELESS	0x0618
 
+#define USB_VENDOR_ID_CHUNGHWAT		0x2247
+#define USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH	0x0001
+
 #define USB_VENDOR_ID_CIDC		0x1677
 
 #define USB_VENDOR_ID_CMEDIA		0x0d8c