diff --git a/drivers/power/pmic/rk8xx.c b/drivers/power/pmic/rk8xx.c
index ef11cc46d4..f959f80f46 100644
--- a/drivers/power/pmic/rk8xx.c
+++ b/drivers/power/pmic/rk8xx.c
@@ -149,7 +149,7 @@ static struct reg_data rk817_init_reg[] = {
  * the under-voltage protection will shutdown the LDO3 and reset the PMIC
  */
 	{ RK817_BUCK4_CMIN, 0x60, 0x60},
-
+	{ RK817_PMIC_SYS_CFG1, 0x40, 0x40},
 	/* Set pmic_sleep as none function */
 	{ RK817_PMIC_SYS_CFG3, 0x00, 0x18 },
 
diff --git a/include/power/rk8xx_pmic.h b/include/power/rk8xx_pmic.h
index b76bd9420e..70b11c0337 100644
--- a/include/power/rk8xx_pmic.h
+++ b/include/power/rk8xx_pmic.h
@@ -198,7 +198,6 @@ enum {
 	RK817_POWER_EN2,
 	RK817_POWER_EN3,
 };
-
 #define RK817_POWER_EN_SAVE0	0x99
 #define RK817_POWER_EN_SAVE1	0xa4
 
@@ -206,6 +205,7 @@ enum {
 #define RK817_ID_LSB	0xee
 #define RK8XX_ID_MSK	0xfff0
 
+#define RK817_PMIC_SYS_CFG1	0xf1
 #define RK817_PMIC_SYS_CFG3	0xf4
 #define RK817_GPIO_INT_CFG	0xfe