iio: humidity: hts221: move BDU configuration in probe routine

Enable Block Data Update in hts221_probe() in order to avoid to reconfigure
it every time the sensor is enabled

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
diff --git a/drivers/iio/humidity/hts221_core.c b/drivers/iio/humidity/hts221_core.c
index d2f5962..47a29b2 100644
--- a/drivers/iio/humidity/hts221_core.c
+++ b/drivers/iio/humidity/hts221_core.c
@@ -203,12 +203,6 @@ static int hts221_update_odr(struct hts221_hw *hw, u8 odr)
 	if (i == ARRAY_SIZE(hts221_odr_table))
 		return -EINVAL;
 
-	/* enable Block Data Update */
-	err = hts221_write_with_mask(hw, HTS221_REG_CNTRL1_ADDR,
-				     HTS221_BDU_MASK, 1);
-	if (err < 0)
-		return err;
-
 	err = hts221_write_with_mask(hw, HTS221_REG_CNTRL1_ADDR,
 				     HTS221_ODR_MASK, hts221_odr_table[i].val);
 	if (err < 0)
@@ -644,6 +638,12 @@ int hts221_probe(struct iio_dev *iio_dev)
 	iio_dev->name = HTS221_DEV_NAME;
 	iio_dev->info = &hts221_info;
 
+	/* enable Block Data Update */
+	err = hts221_write_with_mask(hw, HTS221_REG_CNTRL1_ADDR,
+				     HTS221_BDU_MASK, 1);
+	if (err < 0)
+		return err;
+
 	/* configure humidity sensor */
 	err = hts221_parse_rh_caldata(hw);
 	if (err < 0) {