When not using the "_optional" function, a dummy regulator is returned
and the driver fails to initialize.
Signed-off-by: Urs Fässler <urs.fassler@xxxxxxxxxxxxxx>
---
drivers/iio/dac/ad5686.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index f57562a..15c73e2 100644
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -322,7 +322,7 @@ static int ad5686_probe(struct spi_device *spi)
st = iio_priv(indio_dev);
spi_set_drvdata(spi, indio_dev);
- st->reg = devm_regulator_get(&spi->dev, "vcc");
+ st->reg = devm_regulator_get_optional(&spi->dev, "vcc");
if (!IS_ERR(st->reg)) {
ret = regulator_enable(st->reg);
if (ret)
--
2.1.4
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