diff options
Diffstat (limited to 'Documentation/media/uapi/v4l/control.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/control.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/media/uapi/v4l/control.rst b/Documentation/media/uapi/v4l/control.rst index feb55ac14377..10ab53dd3163 100644 --- a/Documentation/media/uapi/v4l/control.rst +++ b/Documentation/media/uapi/v4l/control.rst @@ -17,7 +17,7 @@ device. All controls are accessed using an ID value. V4L2 defines several IDs for specific purposes. Drivers can also implement their own custom -controls using ``V4L2_CID_PRIVATE_BASE`` [1]_ and higher values. The +controls using ``V4L2_CID_PRIVATE_BASE`` [#f1]_ and higher values. The pre-defined control IDs have the prefix ``V4L2_CID_``, and are listed in :ref:`control-id`. The ID is used when querying the attributes of a control, and when getting or setting the current value. @@ -522,7 +522,7 @@ Example: Changing controls /* Errors ignored */ ioctl(fd, VIDIOC_S_CTRL, &control); -.. [1] +.. [#f1] The use of ``V4L2_CID_PRIVATE_BASE`` is problematic because different drivers may use the same ``V4L2_CID_PRIVATE_BASE`` ID for different controls. This makes it hard to programatically set such controls |