diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c
index 9891aec47b57a02bcb17871e4c0caa57a152c1f7..89d004bc2fddf4ff4cbcbce34eece1786e8c7494 100644
--- a/drivers/regulator/mc13892-regulator.c
+++ b/drivers/regulator/mc13892-regulator.c
@@ -485,6 +485,7 @@ static int mc13892_sw_regulator_set_voltage_sel(struct regulator_dev *rdev,
 
 static struct regulator_ops mc13892_sw_regulator_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.set_voltage_sel = mc13892_sw_regulator_set_voltage_sel,
 	.get_voltage_sel = mc13892_sw_regulator_get_voltage_sel,
 };