diff --git a/arch/arm/configs/rk29_a22_defconfig b/arch/arm/configs/rk29_a22_defconfig
index f255623f9390..d8e36348ed13 100755
--- a/arch/arm/configs/rk29_a22_defconfig
+++ b/arch/arm/configs/rk29_a22_defconfig
@@ -865,7 +865,7 @@ CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_POWERMATE is not set
 # CONFIG_INPUT_YEALINK is not set
 # CONFIG_INPUT_CM109 is not set
-# CONFIG_INPUT_UINPUT is not set
+CONFIG_INPUT_UINPUT=y
 # CONFIG_INPUT_GPIO is not set
 # CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
 CONFIG_INPUT_WM831X_ON=y