staging: iio: ad7780: add missing switch default case

This patch simply adds a missing switch default case in read_raw.

Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c
index a7e0042..0968a69 100644 (file)
--- a/drivers/staging/iio/adc/ad7780.c
+++ b/drivers/staging/iio/adc/ad7780.c
@@ -118,6 +118,8 @@ static int ad7780_read_raw(struct iio_dev *indio_dev,
        case IIO_CHAN_INFO_OFFSET:
                *val = -(1 << (chan->scan_type.realbits - 1));
                return IIO_VAL_INT;
+       default:
+               break;
        }
 
        return -EINVAL;