HID: DragonRise game controller force feedback driver

Adds force feedback support for USB DragonRise Inc. game controllers.
These devices are mass produced in China and distributed under several vendors.

Signed-off-by: Richard Walmsley <richwalm@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 9718306..9cc662c 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -128,6 +128,14 @@
 	---help---
 	Support for cypress mouse and barcode readers.
 
+config DRAGONRISE_FF
+	tristate "DragonRise Inc. force feedback support"
+	depends on USB_HID
+	select INPUT_FF_MEMLESS
+	---help---
+	Say Y here if you want to enable force feedback support for DragonRise Inc.
+	game controllers.
+
 config HID_EZKEY
 	tristate "Ezkey" if EMBEDDED
 	depends on USB_HID