diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-08-05 02:19:08 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-08-05 02:19:08 -0300 |
| commit | 8dec7c70575785729a6a9e6719a955e9c545bcab (patch) | |
| tree | 897b1b743b2ceb44ace956e8176b6a7e36751019 /drivers/iio/adc/ad7266.c | |
| parent | 4411a04f871d94ae997fb7262a428fe2ee988eb3 (diff) | |
Linux-libre 4.6.5-gnupck-4.6.5-gnu
Diffstat (limited to 'drivers/iio/adc/ad7266.c')
| -rw-r--r-- | drivers/iio/adc/ad7266.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c index 21e19b60e..2123f0ac2 100644 --- a/drivers/iio/adc/ad7266.c +++ b/drivers/iio/adc/ad7266.c @@ -396,8 +396,8 @@ static int ad7266_probe(struct spi_device *spi) st = iio_priv(indio_dev); - st->reg = devm_regulator_get(&spi->dev, "vref"); - if (!IS_ERR_OR_NULL(st->reg)) { + st->reg = devm_regulator_get_optional(&spi->dev, "vref"); + if (!IS_ERR(st->reg)) { ret = regulator_enable(st->reg); if (ret) return ret; @@ -408,6 +408,9 @@ static int ad7266_probe(struct spi_device *spi) st->vref_mv = ret / 1000; } else { + /* Any other error indicates that the regulator does exist */ + if (PTR_ERR(st->reg) != -ENODEV) + return PTR_ERR(st->reg); /* Use internal reference */ st->vref_mv = 2500; } |