diff --git a/arch/arm/configs/rockchip_defconfig b/arch/arm/configs/rockchip_defconfig
index b822e769f889..895e7dab4fad 100644
--- a/arch/arm/configs/rockchip_defconfig
+++ b/arch/arm/configs/rockchip_defconfig
@@ -313,6 +313,7 @@ CONFIG_RTL8188EU=y
 # CONFIG_INPUT_MOUSEDEV is not set
 CONFIG_INPUT_EVDEV=y
 CONFIG_INPUT_KEYRESET=y
+CONFIG_KEYBOARD_ADC=y
 # CONFIG_KEYBOARD_ATKBD is not set
 CONFIG_KEYBOARD_GPIO=y
 CONFIG_KEYBOARD_ROCKCHIP=y