- ``which``
- Crop rectangle to get or set, from enum
- :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
+ :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
- .. row 3
- ``reserved``\ [8]
- Reserved for future extensions. Applications and drivers must set
- the array to zero.
+ the array to zero.