iio:adc:ad799x: Save some lines in ad7997_8_update_scan_mode() exit handling

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
index 34d93a5eefb1..878400c33137 100644
--- a/drivers/iio/adc/ad799x.c
+++ b/drivers/iio/adc/ad799x.c
@@ -193,10 +193,8 @@ static int ad7997_8_update_scan_mode(struct iio_dev *indio_dev,
                 return i2c_smbus_write_word_swapped(st->client, AD7998_CONF_REG,
                         st->config | (*scan_mask << AD799X_CHANNEL_SHIFT));
         default:
-                break;
+                return 0;
         }
-
-        return 0;
 }
 
 static int ad799x_scan_direct(struct ad799x_state *st, unsigned ch)