1 files changed, 13 insertions, 0 deletions

diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 80d855061064..d86b753e9b30 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -338,6 +338,16 @@ struct iio_dev;
  *                      provide a custom of_xlate function that reads the
  *                      *args* and returns the appropriate index in registered
  *                      IIO channels array.
+ * @hwfifo_set_watermark: function pointer to set the current hardware
+ *                      fifo watermark level; see hwfifo_* entries in
+ *                      Documentation/ABI/testing/sysfs-bus-iio for details on
+ *                      how the hardware fifo operates
+ * @hwfifo_flush_to_buffer: function pointer to flush the samples stored
+ *                      in the hardware fifo to the device buffer. The driver
+ *                      should not flush more than count samples. The function
+ *                      must return the number of samples flushed, 0 if no
+ *                      samples were flushed or a negative integer if no samples
+ *                      were flushed and there was an error.
  **/
 struct iio_info {
         struct module                   *driver_module;
@@ -399,6 +409,9 @@ struct iio_info {
                                   unsigned *readval);
         int (*of_xlate)(struct iio_dev *indio_dev,
                         const struct of_phandle_args *iiospec);
+        int (*hwfifo_set_watermark)(struct iio_dev *indio_dev, unsigned val);
+        int (*hwfifo_flush_to_buffer)(struct iio_dev *indio_dev,
+                                      unsigned count);
 };
 
 /**