diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-02 15:38:45 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-23 18:03:41 +0400 |
| commit | aebe495895f5542213dd17a644647b0aae8353f0 (patch) | |
| tree | bfce7987ec8565284ecf8ce73969607f9b454d78 /drivers/regulator/fixed.c | |
| parent | c1fc1480249dfe059254779a4bb7ca27cf5f8038 (diff) | |
| download | linux-aebe495895f5542213dd17a644647b0aae8353f0.tar.xz | |
regulator: Don't report zero volts for the fixed voltage regulator
If we don't know what voltage the regulator is set to return an error
rather than reporting zero volts.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/fixed.c')
| -rw-r--r-- | drivers/regulator/fixed.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index 21ecf212a522..ccbead06c8f3 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -80,7 +80,10 @@ static int fixed_voltage_get_voltage(struct regulator_dev *dev) { struct fixed_voltage_data *data = rdev_get_drvdata(dev); - return data->microvolts; + if (data->microvolts) + return data->microvolts; + else + return -EINVAL; } static int fixed_voltage_list_voltage(struct regulator_dev *dev, |