regulator: axp20x: Use regulator_map_voltage_ascend for LDO4

The voltages in axp20x_ldo4_data table are in ascendant order, so use
regulator_map_voltage_ascend.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 61ae4d4fbdd0..004aadb7bcc1 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -111,6 +111,7 @@ static struct regulator_ops axp20x_ops_table = {
         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
         .list_voltage           = regulator_list_voltage_table,
+        .map_voltage            = regulator_map_voltage_ascend,
         .enable                 = regulator_enable_regmap,
         .disable                = regulator_disable_regmap,
         .is_enabled             = regulator_is_enabled_regmap,