diff options
Diffstat (limited to 'Documentation/media/uapi/v4l/vidioc-g-std.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/vidioc-g-std.rst | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-g-std.rst b/Documentation/media/uapi/v4l/vidioc-g-std.rst index 5c2b861f8d26..cd856ad21a28 100644 --- a/Documentation/media/uapi/v4l/vidioc-g-std.rst +++ b/Documentation/media/uapi/v4l/vidioc-g-std.rst @@ -15,9 +15,11 @@ VIDIOC_G_STD - VIDIOC_S_STD - Query or select the video standard of the current Synopsis ======== -.. cpp:function:: int ioctl( int fd, int request, v4l2_std_id *argp ) +.. c:function:: int ioctl( int fd, VIDIOC_G_STD, v4l2_std_id *argp ) + :name: VIDIOC_G_STD -.. cpp:function:: int ioctl( int fd, int request, const v4l2_std_id *argp ) +.. c:function:: int ioctl( int fd, VIDIOC_S_STD, const v4l2_std_id *argp ) + :name: VIDIOC_S_STD Arguments @@ -26,9 +28,6 @@ Arguments ``fd`` File descriptor returned by :ref:`open() <func-open>`. -``request`` - VIDIOC_G_STD, VIDIOC_S_STD - ``argp`` @@ -39,9 +38,9 @@ To query and select the current video standard applications use the :ref:`VIDIOC_G_STD <VIDIOC_G_STD>` and :ref:`VIDIOC_S_STD <VIDIOC_G_STD>` ioctls which take a pointer to a :ref:`v4l2_std_id <v4l2-std-id>` type as argument. :ref:`VIDIOC_G_STD <VIDIOC_G_STD>` can return a single flag or a set of flags as in struct -:ref:`v4l2_standard <v4l2-standard>` field ``id``. The flags must be +:c:type:`v4l2_standard` field ``id``. The flags must be unambiguous such that they appear in only one enumerated -:ref:`struct v4l2_standard <v4l2-standard>` structure. +struct :c:type:`v4l2_standard` structure. :ref:`VIDIOC_S_STD <VIDIOC_G_STD>` accepts one or more flags, being a write-only ioctl it does not return the actual new standard as :ref:`VIDIOC_G_STD <VIDIOC_G_STD>` does. When |