iio:dac:ad5686: Style fixes no functional changes

This patch fixes some indentation issues and does not modify the
functionality of the driver.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/dac/ad5686.c

@@ -145,7 +145,8 @@ static int ad5686_get_powerdown_mode(struct iio_dev *indio_dev,
 }
 
 static int ad5686_set_powerdown_mode(struct iio_dev *indio_dev,
-	const struct iio_chan_spec *chan, unsigned int mode)
+				     const struct iio_chan_spec *chan,
+				     unsigned int mode)
 {
 	struct ad5686_state *st = iio_priv(indio_dev);
 
@@ -172,7 +173,9 @@ static ssize_t ad5686_read_dac_powerdown(struct iio_dev *indio_dev,
 }
 
 static ssize_t ad5686_write_dac_powerdown(struct iio_dev *indio_dev,
-	 uintptr_t private, const struct iio_chan_spec *chan, const char *buf,
+					  uintptr_t private,
+					  const struct iio_chan_spec *chan,
+					  const char *buf,
 					  size_t len)
 {
 	bool readin;