Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

[cascardo/linux.git] / Documentation / media / uapi / v4l / vidioc-querybuf.rst

diff --git a/Documentation/media/uapi/v4l/vidioc-querybuf.rst b/Documentation/media/uapi/v4l/vidioc-querybuf.rst
index 32af6f7..0bdc8e0 100644 (file)
--- a/Documentation/media/uapi/v4l/vidioc-querybuf.rst
+++ b/Documentation/media/uapi/v4l/vidioc-querybuf.rst
@@ -15,7 +15,8 @@ VIDIOC_QUERYBUF - Query the status of a buffer
 Synopsis
 ========
 
-.. cpp:function:: int ioctl( int fd, int request, struct v4l2_buffer *argp )
+.. c:function:: int ioctl( int fd, VIDIOC_QUERYBUF, struct v4l2_buffer *argp )
+    :name: VIDIOC_QUERYBUF
 
 
 Arguments
@@ -24,9 +25,6 @@ Arguments
 ``fd``
     File descriptor returned by :ref:`open() <func-open>`.
 
-``request``
-    VIDIOC_QUERYBUF
-
 ``argp``
 
 
@@ -38,17 +36,17 @@ be used to query the status of a buffer at any time after buffers have
 been allocated with the :ref:`VIDIOC_REQBUFS` ioctl.
 
 Applications set the ``type`` field of a struct
-:ref:`v4l2_buffer <v4l2-buffer>` to the same buffer type as was
-previously used with struct :ref:`v4l2_format <v4l2-format>` ``type``
-and struct :ref:`v4l2_requestbuffers <v4l2-requestbuffers>` ``type``,
+:c:type:`v4l2_buffer` to the same buffer type as was
+previously used with struct :c:type:`v4l2_format` ``type``
+and struct :c:type:`v4l2_requestbuffers` ``type``,
 and the ``index`` field. Valid index numbers range from zero to the
 number of buffers allocated with
 :ref:`VIDIOC_REQBUFS` (struct
-:ref:`v4l2_requestbuffers <v4l2-requestbuffers>` ``count``) minus
+:c:type:`v4l2_requestbuffers` ``count``) minus
 one. The ``reserved`` and ``reserved2`` fields must be set to 0. When
 using the :ref:`multi-planar API <planar-apis>`, the ``m.planes``
 field must contain a userspace pointer to an array of struct
-:ref:`v4l2_plane <v4l2-plane>` and the ``length`` field has to be set
+:c:type:`v4l2_plane` and the ``length`` field has to be set
 to the number of elements in that array. After calling
 :ref:`VIDIOC_QUERYBUF` with a pointer to this structure drivers return an
 error code or fill the rest of the structure.
@@ -61,11 +59,11 @@ set to the current I/O method. For the single-planar API, the
 device memory, the ``length`` field its size. For the multi-planar API,
 fields ``m.mem_offset`` and ``length`` in the ``m.planes`` array
 elements will be used instead and the ``length`` field of struct
-:ref:`v4l2_buffer <v4l2-buffer>` is set to the number of filled-in
+:c:type:`v4l2_buffer` is set to the number of filled-in
 array elements. The driver may or may not set the remaining fields and
 flags, they are meaningless in this context.
 
-The :ref:`struct v4l2_buffer <v4l2-buffer>` structure is specified in
+The struct :c:type:`v4l2_buffer` structure is specified in
 :ref:`buffer`.