Input: wacom - add support for digitizer in Lenovo W700

Signed-off-by: Ajay Ramaswamy <ajay@ramaswamy.net>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/tablet/wacom.h b/drivers/input/tablet/wacom.h
index de5adb1..23317bd 100644
--- a/drivers/input/tablet/wacom.h
+++ b/drivers/input/tablet/wacom.h
@@ -103,6 +103,7 @@
 MODULE_LICENSE(DRIVER_LICENSE);
 
 #define USB_VENDOR_ID_WACOM	0x056a
+#define USB_VENDOR_ID_LENOVO	0x17ef
 
 struct wacom {
 	dma_addr_t data_dma;