* @scan_el_attrs: [DRIVER] control of scan elements if that scan mode
* control method is used
* @scan_mask: [INTERN] bitmask used in masking scan mode elements
+ * @scan_index_timestamp:[INTERN] cache of the index to the timestamp
* @scan_timestamp: [INTERN] does the scan mode include a timestamp
* @access: [DRIVER] buffer access functions associated with the
* implementation.
+ * @scan_el_dev_attr_list:[INTERN] list of scan element related attributes.
+ * @scan_el_group: [DRIVER] attribute group for those attributes not
+ * created from the iio_chan_info array.
+ * @pollq: [INTERN] wait queue to allow for polling on the buffer.
+ * @stufftoread: [INTERN] flag to indicate new data.
* @flags: [INTERN] file ops related flags including busy flag.
* @demux_list: [INTERN] list of operations required to demux the scan.
* @demux_bounce: [INTERN] buffer for doing gather from incoming scan.