diff --git a/arch/arm/mach-s5pv210/mach-herring.c b/arch/arm/mach-s5pv210/mach-herring.c
index ac55fc1a843..daed68b139e 100755
--- a/arch/arm/mach-s5pv210/mach-herring.c
+++ b/arch/arm/mach-s5pv210/mach-herring.c
@@ -3074,7 +3074,9 @@ static int gp2a_light_adc_value(void)
 static struct gp2a_platform_data gp2a_pdata = {
 	.power = gp2a_power,
 	.p_out = GPIO_PS_VOUT,
-	.light_adc_value = gp2a_light_adc_value
+	.light_adc_value = gp2a_light_adc_value,
+	.light_adc_max = 4095,
+	.light_adc_fuzz = 64,
 };
 
 static struct i2c_board_info i2c_devs11[] __initdata = {