diff --git a/arch/arm/mach-rk2928/board-rk2928-sdk-act8931.c b/arch/arm/mach-rk2928/board-rk2928-sdk-act8931.c
index c36869ea9f2f..6a816138d819 100755
--- a/arch/arm/mach-rk2928/board-rk2928-sdk-act8931.c
+++ b/arch/arm/mach-rk2928/board-rk2928-sdk-act8931.c
@@ -53,7 +53,7 @@ static int act8931_set_init(struct act8931 *act8931)
 	udelay(100);
 	
 	dcdc = regulator_get(NULL, "act_dcdc1");	//vcc_io
-	regulator_set_voltage(dcdc, 3000000, 3000000);
+	regulator_set_voltage(dcdc, 3200000, 3200000);
 	regulator_enable(dcdc);
 	printk("%s set dcdc1 vcc_io=%dmV end\n", __func__, regulator_get_voltage(dcdc));
 	regulator_put(dcdc);