"NTSC-M" and "SECAM-D/K". [1]_
To query and select the standard used by the current video input or
-output applications call the :ref:`VIDIOC_G_STD` and
+output applications call the :ref:`VIDIOC_G_STD <VIDIOC_G_STD>` and
:ref:`VIDIOC_S_STD <VIDIOC_G_STD>` ioctl, respectively. The
*received* standard can be sensed with the
:ref:`VIDIOC_QUERYSTD` ioctl. Note that the
Here the driver shall set the ``std`` field of struct
:ref:`v4l2_input <v4l2-input>` and struct
-:ref:`v4l2_output <v4l2-output>` to zero and the :ref:`VIDIOC_G_STD`,
+:ref:`v4l2_output <v4l2-output>` to zero and the :ref:`VIDIOC_G_STD <VIDIOC_G_STD>`,
:ref:`VIDIOC_S_STD <VIDIOC_G_STD>`, :ref:`VIDIOC_QUERYSTD` and :ref:`VIDIOC_ENUMSTD` ioctls
shall return the ENOTTY error code or the EINVAL error code.