| From | Kamal Mostafa <> | Subject | [PATCH 3.13.y-ckt 007/156] iio: ad5686: fix optional reference voltage declaration | Date | Tue, 7 Apr 2015 15:49:04 -0700 |
| |
3.13.11-ckt19 -stable review patch. If anyone has any objections, please let me know.
------------------
From: =?UTF-8?q?Urs=20F=C3=A4ssler?= <urs.fassler@bytesatwork.ch>
commit da019f59cb16570e78feaf10380ac65a3a06861e upstream.
When not using the "_optional" function, a dummy regulator is returned and the driver fails to initialize.
Signed-off-by: Urs Fässler <urs.fassler@bytesatwork.ch> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- 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 30e506e..c0dc0f0 100644 --- a/drivers/iio/dac/ad5686.c +++ b/drivers/iio/dac/ad5686.c @@ -317,7 +317,7 @@ 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) -- 1.9.1
|