diff --git a/arch/arm/mach-rk3188/board-rk3188-jettaplus.c b/arch/arm/mach-rk3188/board-rk3188-jettaplus.c
index b36de62c24d2..525b7015acd6 100644
--- a/arch/arm/mach-rk3188/board-rk3188-jettaplus.c
+++ b/arch/arm/mach-rk3188/board-rk3188-jettaplus.c
@@ -1621,8 +1621,8 @@ static struct pmu_info  wm8326_dcdc_info[] = {
 	#else
 	{
 		.name          = "dcdc4",   //vcc_io
-		.min_uv          = 3000000,
-		.max_uv         = 3000000,
+		.min_uv          = 3200000,
+		.max_uv         = 3200000,
 		.suspend_vol  =  2800000,
 	},
 	#endif