staging:iio:ad7793: Add missing break in switch statement

Without the break statement we fall right through to the default case and return
an error value.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c
index 76fdd7145fc5..1d0cd09be86e 100644
--- a/drivers/staging/iio/adc/ad7793.c
+++ b/drivers/staging/iio/adc/ad7793.c
@@ -676,7 +676,7 @@ static int ad7793_write_raw(struct iio_dev *indio_dev,
                                 }
                                 ret = 0;
                         }
-
+                break;
         default:
                 ret = -EINVAL;
         }