diff options
Diffstat (limited to 'Documentation/media/uapi/v4l/standard.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/standard.rst | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/Documentation/media/uapi/v4l/standard.rst b/Documentation/media/uapi/v4l/standard.rst index c4f678f545ec..75a14895aed7 100644 --- a/Documentation/media/uapi/v4l/standard.rst +++ b/Documentation/media/uapi/v4l/standard.rst @@ -9,8 +9,8 @@ Video Standards Video devices typically support one or more different video standards or variations of standards. Each video input and output may support another set of standards. This set is reported by the ``std`` field of struct -:ref:`v4l2_input <v4l2-input>` and struct -:ref:`v4l2_output <v4l2-output>` returned by the +:c:type:`v4l2_input` and struct +:c:type:`v4l2_output` returned by the :ref:`VIDIOC_ENUMINPUT` and :ref:`VIDIOC_ENUMOUTPUT` ioctls, respectively. @@ -41,7 +41,9 @@ output applications call the :ref:`VIDIOC_G_STD <VIDIOC_G_STD>` and *received* standard can be sensed with the :ref:`VIDIOC_QUERYSTD` ioctl. -..note:: The parameter of all these ioctls is a pointer to a +.. note:: + + The parameter of all these ioctls is a pointer to a :ref:`v4l2_std_id <v4l2-std-id>` type (a standard set), *not* an index into the standard enumeration. Drivers must implement all video standard ioctls when the device has one or more video inputs or outputs. @@ -56,8 +58,8 @@ output device which is: - that does not support the video standard formats at all. 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 <VIDIOC_G_STD>`, +:c:type:`v4l2_input` and struct +:c:type:`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. |