diff options
Diffstat (limited to 'Documentation/media/uapi/v4l/extended-controls.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/extended-controls.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/media/uapi/v4l/extended-controls.rst b/Documentation/media/uapi/v4l/extended-controls.rst index 1f1518e4859d..75359739eb52 100644 --- a/Documentation/media/uapi/v4l/extended-controls.rst +++ b/Documentation/media/uapi/v4l/extended-controls.rst @@ -49,7 +49,7 @@ control). This is needed since it is often required to atomically change several controls at once. Each of the new ioctls expects a pointer to a struct -:ref:`v4l2_ext_controls <v4l2-ext-controls>`. This structure +:c:type:`v4l2_ext_controls`. This structure contains a pointer to the control array, a count of the number of controls in that array and a control class. Control classes are used to group similar controls into a single class. For example, control class @@ -65,12 +65,12 @@ It is also possible to use an empty control array (``count`` == 0) to check whether the specified control class is supported. The control array is a struct -:ref:`v4l2_ext_control <v4l2-ext-control>` array. The -:ref:`struct v4l2_ext_control <v4l2-ext-control>` structure is very similar to -struct :ref:`v4l2_control <v4l2-control>`, except for the fact that +:c:type:`v4l2_ext_control` array. The +:c:type:`struct v4l2_ext_control <v4l2_ext_control>` structure is very similar to +struct :c:type:`v4l2_control`, except for the fact that it also allows for 64-bit values and pointers to be passed. -Since the struct :ref:`v4l2_ext_control <v4l2-ext-control>` supports +Since the struct :c:type:`v4l2_ext_control` supports pointers it is now also possible to have controls with compound types such as N-dimensional arrays and/or structures. You need to specify the ``V4L2_CTRL_FLAG_NEXT_COMPOUND`` when enumerating controls to actually |