Input: xpad - add Xbox360 gamepad rumble support

Implementation is using force feedback support for memoryless devices.

Signed-off-by: Jan Kratochvil <honza@jikos.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig
index b002345..12db72d 100644
--- a/drivers/input/joystick/Kconfig
+++ b/drivers/input/joystick/Kconfig
@@ -268,4 +268,11 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called xpad.
 
+config JOYSTICK_XPAD_FF
+	bool "X-Box gamepad rumble support"
+	depends on JOYSTICK_XPAD && INPUT
+	select INPUT_FF_MEMLESS
+	---help---
+	  Say Y here if you want to take advantage of xbox 360 rumble features.
+
 endif