Input: add force feedback driver for PSX-style Zeroplus devices

Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h
index 6d88c0c..3dae8a9 100644
--- a/drivers/usb/input/hid.h
+++ b/drivers/usb/input/hid.h
@@ -525,6 +525,7 @@
 
 int hid_lgff_init(struct hid_device *hid);
 int hid_tmff_init(struct hid_device *hid);
+int hid_zpff_init(struct hid_device *hid);
 #ifdef CONFIG_HID_PID
 int hid_pidff_init(struct hid_device *hid);
 #else