diff --git a/drivers/regulator/hi6421v600-regulator.c b/drivers/regulator/hi6421v600-regulator.c
index feddb0b5d4f1ca4822e2dec6cb26fee64b2ef4b0..417cf5b4a1c39051e611a9004be9a4da6b7fd506 100644
--- a/drivers/regulator/hi6421v600-regulator.c
+++ b/drivers/regulator/hi6421v600-regulator.c
@@ -166,7 +166,7 @@ static const struct regulator_ops hi6421_spmi_ldo_rops = {
 	.enable = hi6421_spmi_regulator_enable,
 	.disable = regulator_disable_regmap,
 	.list_voltage = regulator_list_voltage_table,
-	.map_voltage = regulator_map_voltage_iterate,
+	.map_voltage = regulator_map_voltage_ascend,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 	.get_mode = hi6421_spmi_regulator_get_mode,