Commit 4dbd8f63 authored by Axel Lin's avatar Axel Lin Committed by Mark Brown

regulator: gpio-regulator: Set the smallest voltage/current in the specified range

Do not assume the gpio regulator states map is sorted in any order.
This patch ensures we always set the smallest voltage/current that falls within
the specified range.
Signed-off-by: default avatarAxel Lin <axel.lin@gmail.com>
Acked-by: default avatarHeiko Stuebner <heiko@sntech.de>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 9d442061
......@@ -105,15 +105,15 @@ static int gpio_regulator_set_value(struct regulator_dev *dev,
int min, int max)
{
struct gpio_regulator_data *data = rdev_get_drvdata(dev);
int ptr, target, state;
int ptr, target, state, best_val = INT_MAX;
target = -1;
for (ptr = 0; ptr < data->nr_states; ptr++)
if (data->states[ptr].value >= min &&
if (data->states[ptr].value < best_val &&
data->states[ptr].value >= min &&
data->states[ptr].value <= max)
target = data->states[ptr].gpios;
if (target < 0)
if (best_val == INT_MAX)
return -EINVAL;
for (ptr = 0; ptr < data->nr_gpios; ptr++) {
......
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