iio: ad5686: fix optional reference voltage declaration

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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>
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

authored by

Urs Fässler and committed by

Jonathan Cameron 11 years ago da019f59 9e128ced

+1 -1

1 changed file

expand all

drivers

iio

dac

ad5686.c

+1 -1

drivers/iio/dac/ad5686.c

··· 322 322 st = iio_priv(indio_dev); 323 323 spi_set_drvdata(spi, indio_dev); 324 324 325 - st->reg = devm_regulator_get(&spi->dev, "vcc"); 325 + st->reg = devm_regulator_get_optional(&spi->dev, "vcc"); 326 326 if (!IS_ERR(st->reg)) { 327 327 ret = regulator_enable(st->reg); 328 328 if (ret)