iio: mma8452: Mark expected switch fall-through

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Warning level 2 was used in this case: -Wimplicit-fallthrough=2

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index 7e3d82c..31eccb8 100644 (file)
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -1547,6 +1547,7 @@ static int mma8452_probe(struct i2c_client *client,
        case FXLS8471_DEVICE_ID:
                if (ret == data->chip_info->chip_id)
                        break;
+               /* else: fall through */
        default:
                return -ENODEV;
        }