--- zzzz-none-000/linux-3.10.107/drivers/input/joystick/Kconfig	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/input/joystick/Kconfig	2021-02-04 17:41:59.000000000 +0000
@@ -196,6 +196,7 @@
 config JOYSTICK_ZHENHUA
 	tristate "5-byte Zhenhua RC transmitter"
 	select SERIO
+	select BITREVERSE
 	help
 	  Say Y here if you have a Zhen Hua PPM-4CH transmitter which is
 	  supplied with a ready to fly micro electric indoor helicopters