diff options
| author | Joel Stanley <joel@jms.id.au> | 2016-08-04 13:24:41 +0930 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2016-08-04 13:24:41 +0930 |
| commit | b916113d820adc856aad6b8ebc1a25403ff7f293 (patch) | |
| tree | abddf239d912c4868faf9fbc69c67d980f74c7df /drivers/iio/adc/ad7266.c | |
| parent | 2e4db6c6be91ade074c1a150a6db2aeb4920e25c (diff) | |
| parent | b05965f284db3e086022f4e318e46cb5bffb1376 (diff) | |
| download | talos-obmc-linux-openbmc-4.4-20160804-1.tar.gz talos-obmc-linux-openbmc-4.4-20160804-1.zip | |
Merge tag 'v4.4.16' into dev-4.4openbmc-4.4-20160804-1
This is the 4.4.16 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
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 21e19b60e2b9..2123f0ac2e2a 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; } |
