diff --git a/arch/arm/mach-rk30/board-rk30-sdk-key.c b/arch/arm/mach-rk30/board-rk30-sdk-key.c
index 7add9ecbf5ce..f31366330ab7 100755
--- a/arch/arm/mach-rk30/board-rk30-sdk-key.c
+++ b/arch/arm/mach-rk30/board-rk30-sdk-key.c
@@ -82,28 +82,28 @@ static struct rk29_keys_button key_button[] = {
 	{
 		.desc	= "menu",
 		.code	= EV_MENU,
-		.adc_value	= 163,
+		.adc_value	= 135,
 		.gpio = INVALID_GPIO,
 		.active_low = PRESS_LEV_LOW,
 	},
 	{
 		.desc	= "home",
 		.code	= KEY_HOME,
-		.adc_value	= 652,
+		.adc_value	= 550,
 		.gpio = INVALID_GPIO,
 		.active_low = PRESS_LEV_LOW,
 	},
 	{
 		.desc	= "esc",
 		.code	= KEY_BACK,
-		.adc_value	= 402,
+		.adc_value	= 334,
 		.gpio = INVALID_GPIO,
 		.active_low = PRESS_LEV_LOW,
 	},
 	{
 		.desc	= "camera",
 		.code	= KEY_CAMERA,
-		.adc_value	= 854,
+		.adc_value	= 743,
 		.gpio = INVALID_GPIO,
 		.active_low = PRESS_LEV_LOW,
 	},