iio: humidity: hts221: squash hts221_power_on/off in hts221_set_enable

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.h b/drivers/iio/humidity/hts221.h
index bf33d8f..69dfa5c 100644
--- a/drivers/iio/humidity/hts221.h
+++ b/drivers/iio/humidity/hts221.h
@@ -62,8 +62,7 @@
 
 int hts221_config_drdy(struct hts221_hw *hw, bool enable);
 int hts221_probe(struct iio_dev *iio_dev);
-int hts221_power_on(struct hts221_hw *hw);
-int hts221_power_off(struct hts221_hw *hw);
+int hts221_set_enable(struct hts221_hw *hw, bool enable);
 int hts221_allocate_buffers(struct hts221_hw *hw);
 int hts221_allocate_trigger(struct hts221_hw *hw);