regulator: wm831x-ldo: Use regulator_map_voltage_linear for wm831x_alive_ldo_ops

wm831x_alive_ldo_ops uses simple linear voltage maps.
Thus use regulator_map_voltage_linear is more efficient than using the default
regulator_map_voltage_iterate.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index a9a28d8ac18591d4c7126364dbd40197024191f8..f23d020e9503719aa2b73bdbbb1a21d0fa22829d 100644 (file)
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -690,6 +690,7 @@ static int wm831x_alive_ldo_get_status(struct regulator_dev *rdev)
 
 static struct regulator_ops wm831x_alive_ldo_ops = {
        .list_voltage = regulator_list_voltage_linear,
+       .map_voltage = regulator_map_voltage_linear,
        .get_voltage_sel = regulator_get_voltage_sel_regmap,
        .set_voltage = wm831x_alive_ldo_set_voltage,
        .set_suspend_voltage = wm831x_alive_ldo_set_suspend_voltage,