diff --git a/arch/arm/mach-rk30/board-pmu-act8846.c b/arch/arm/mach-rk30/board-pmu-act8846.c
index d218af1d2d86..42a78d2b9b75 100755
--- a/arch/arm/mach-rk30/board-pmu-act8846.c
+++ b/arch/arm/mach-rk30/board-pmu-act8846.c
@@ -48,6 +48,7 @@ static int act8846_set_init(struct act8846 *act8846)
                         continue;
 	        dcdc =regulator_get(NULL, act8846_dcdc_info[i].name);
 	        regulator_set_voltage(dcdc, act8846_dcdc_info[i].min_uv, act8846_dcdc_info[i].max_uv);
+		 regulator_set_suspend_voltage(dcdc, act8846_dcdc_info[i].suspend_vol);
 	        regulator_enable(dcdc);
 	        printk("%s  %s =%dmV end\n", __func__,act8846_dcdc_info[i].name, regulator_get_voltage(dcdc));
 	        regulator_put(dcdc);
diff --git a/arch/arm/mach-rk30/board-rk3168-tb.c b/arch/arm/mach-rk30/board-rk3168-tb.c
old mode 100644
new mode 100755
index db3dc4b5a501..762450bf2e09
--- a/arch/arm/mach-rk30/board-rk3168-tb.c
+++ b/arch/arm/mach-rk30/board-rk3168-tb.c
@@ -1564,6 +1564,7 @@ static struct pmu_info  act8846_dcdc_info[] = {
 		.name          = "act_dcdc1",   //ddr
 		.min_uv          = 1200000,
 		.max_uv         = 1200000,
+		.suspend_vol  =  1200000,
 	},
 	{
 		.name          = "vdd_core",    //logic