iio:common:st: added disable function after read info raw data

Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index bd33473..ed9bc8a 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -312,6 +312,8 @@
 			goto read_error;
 
 		*val = *val >> ch->scan_type.shift;
+
+		err = st_sensors_set_enable(indio_dev, false);
 	}
 	mutex_unlock(&indio_dev->mlock);