diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h
index 95d6318a14b4..4fb8f2f21a07 100644
--- a/drivers/staging/iio/iio.h
+++ b/drivers/staging/iio/iio.h
@@ -262,7 +262,8 @@ struct iio_info {
 				 int val);
 	int (*validate_trigger)(struct iio_dev *indio_dev,
 				struct iio_trigger *trig);
-
+	int (*update_scan_mode)(struct iio_dev *indio_dev,
+				const unsigned long *scan_mask);
 };
 
 /**