iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

regulator: gpio-regulator: Fix finding of smallest value

Browse Source 
Commit 4dbd8f63f0 (regulator: gpio-regulator: Set the smallest
voltage/current in the specified range) forgot to set the newly
introduced best_val.

Therefore it stayed always at INT_MAX thus breaking the setting
of the voltage.

Included is also an init value for target, as warnings about
a possibly uninitialised target started appearing with this fix.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Heiko Stübner 2012-06-03 21:31:09 +02:00 committed by Mark Brown
parent 7d4be2f5ad
commit 00926369b7
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/regulator/gpio-regulator.c
View File

@ -104,13 +104,15 @@ 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, best_val = INT_MAX;
int ptr, target = 0, state, best_val = INT_MAX;
for (ptr = 0; ptr < data->nr_states; ptr++)
if (data->states[ptr].value < best_val &&
data->states[ptr].value >= min &&
data->states[ptr].value <= max)
data->states[ptr].value <= max) {
target = data->states[ptr].gpios;
best_val = data->states[ptr].value;
}
if (best_val == INT_MAX)
return -EINVAL;