HID: force feedback driver for Logitech Rumblepad 2

Add force feedback support for Logitech Rumblepad 2.

Tested-By: Edgar Simo <bobbens@gmail.com>
Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/usbhid/hid-ff.c b/drivers/hid/usbhid/hid-ff.c
index 4c210e1..1d0dac5 100644
--- a/drivers/hid/usbhid/hid-ff.c
+++ b/drivers/hid/usbhid/hid-ff.c
@@ -59,6 +59,9 @@
 	{ 0x46d, 0xc295, hid_lgff_init }, /* Logitech MOMO force wheel */
 	{ 0x46d, 0xca03, hid_lgff_init }, /* Logitech MOMO force wheel */
 #endif
+#ifdef CONFIG_LOGIRUMBLEPAD2_FF
+	{ 0x46d, 0xc218, hid_lg2ff_init }, /* Logitech Rumblepad 2 */
+#endif
 #ifdef CONFIG_PANTHERLORD_FF
 	{ 0x810, 0x0001, hid_plff_init }, /* "Twin USB Joystick" */
 	{ 0xe8f, 0x0003, hid_plff_init }, /* "GreenAsia Inc.    USB Joystick     " */