[PATCH] iio: adc: adc7266: Use iio_device_claim_direct_scoped()

[Fernando Yang <hagisf@usp.br>]

Switching to the _scoped() version can make the error
handling more natural instead of delayed until direct
mode was released.

Co-developed-by: Eduardo Figueredo <eduardofp@usp.br>
Signed-off-by: Eduardo Figueredo <eduardofp@usp.br>
Signed-off-by: Fernando Yang <hagisf@usp.br>
---
 drivers/iio/adc/ad7266.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c
index 8b03d4469..3fc34a3a8 100644
--- a/drivers/iio/adc/ad7266.c
+++ b/drivers/iio/adc/ad7266.c
@@ -63,12 +63,14 @@ static int ad7266_powerdown(struct ad7266_state *st)
 static int ad7266_preenable(struct iio_dev *indio_dev)
 {
 	struct ad7266_state *st = iio_priv(indio_dev);
+
 	return ad7266_wakeup(st);
 }
 
 static int ad7266_postdisable(struct iio_dev *indio_dev)
 {
 	struct ad7266_state *st = iio_priv(indio_dev);
+
 	return ad7266_powerdown(st);
 }
 
@@ -151,15 +153,16 @@ static int ad7266_read_raw(struct iio_dev *indio_dev,
 
 	switch (m) {
 	case IIO_CHAN_INFO_RAW:
-		iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
+		iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
 			ret = ad7266_read_single(st, val, chan->address);
 
-		*val = (*val >> 2) & 0xfff;
-		if (chan->scan_type.sign == 's')
-			*val = sign_extend32(*val,
-						 chan->scan_type.realbits - 1);
+			*val = (*val >> 2) & 0xfff;
+			if (chan->scan_type.sign == 's')
+				*val = sign_extend32(*val,
+							 chan->scan_type.realbits - 1);
 
-		return IIO_VAL_INT;
+			return IIO_VAL_INT;
+		}
 		unreachable();
 	case IIO_CHAN_INFO_SCALE:
 		scale_mv = st->vref_mv;
-- 
2.34.1