1 files changed, 25 insertions, 0 deletions

diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h
index e5507e999ed1..a1124bdc4cac 100644
--- a/include/linux/iio/buffer.h
+++ b/include/linux/iio/buffer.h
@@ -122,6 +122,31 @@ int iio_scan_mask_set(struct iio_dev *indio_dev,
  */
 int iio_push_to_buffers(struct iio_dev *indio_dev, const void *data);
 
+/*
+ * iio_push_to_buffers_with_timestamp() - push data and timestamp to buffers
+ * @indio_dev:          iio_dev structure for device.
+ * @data:               sample data
+ * @timestamp:          timestamp for the sample data
+ *
+ * Pushes data to the IIO device's buffers. If timestamps are enabled for the
+ * device the function will store the supplied timestamp as the last element in
+ * the sample data buffer before pushing it to the device buffers. The sample
+ * data buffer needs to be large enough to hold the additional timestamp
+ * (usually the buffer should be indio->scan_bytes bytes large).
+ *
+ * Returns 0 on success, a negative error code otherwise.
+ */
+static inline int iio_push_to_buffers_with_timestamp(struct iio_dev *indio_dev,
+        void *data, int64_t timestamp)
+{
+        if (indio_dev->scan_timestamp) {
+                size_t ts_offset = indio_dev->scan_bytes / sizeof(int64_t) - 1;
+                ((int64_t *)data)[ts_offset] = timestamp;
+        }
+
+        return iio_push_to_buffers(indio_dev, data);
+}
+
 int iio_update_demux(struct iio_dev *indio_dev);
 
 /**