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-rw-r--r--Documentation/userspace-api/media/v4l/vidioc-subscribe-event.rst26
1 files changed, 8 insertions, 18 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-subscribe-event.rst b/Documentation/userspace-api/media/v4l/vidioc-subscribe-event.rst
index ae3ed73c0a9e..d1ad35164033 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-subscribe-event.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-subscribe-event.rst
@@ -1,11 +1,5 @@
-.. Permission is granted to copy, distribute and/or modify this
-.. document under the terms of the GNU Free Documentation License,
-.. Version 1.1 or any later version published by the Free Software
-.. Foundation, with no Invariant Sections, no Front-Cover Texts
-.. and no Back-Cover Texts. A copy of the license is included at
-.. Documentation/userspace-api/media/fdl-appendix.rst.
-..
-.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
+.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: V4L
.. _VIDIOC_SUBSCRIBE_EVENT:
.. _VIDIOC_UNSUBSCRIBE_EVENT:
@@ -19,34 +13,32 @@ Name
VIDIOC_SUBSCRIBE_EVENT - VIDIOC_UNSUBSCRIBE_EVENT - Subscribe or unsubscribe event
-
Synopsis
========
-.. c:function:: int ioctl( int fd, VIDIOC_SUBSCRIBE_EVENT, struct v4l2_event_subscription *argp )
- :name: VIDIOC_SUBSCRIBE_EVENT
+.. c:macro:: VIDIOC_SUBSCRIBE_EVENT
+
+``int ioctl(int fd, VIDIOC_SUBSCRIBE_EVENT, struct v4l2_event_subscription *argp)``
-.. c:function:: int ioctl( int fd, VIDIOC_UNSUBSCRIBE_EVENT, struct v4l2_event_subscription *argp )
- :name: VIDIOC_UNSUBSCRIBE_EVENT
+.. c:macro:: VIDIOC_UNSUBSCRIBE_EVENT
+``int ioctl(int fd, VIDIOC_UNSUBSCRIBE_EVENT, struct v4l2_event_subscription *argp)``
Arguments
=========
``fd``
- File descriptor returned by :ref:`open() <func-open>`.
+ File descriptor returned by :c:func:`open()`.
``argp``
Pointer to struct :c:type:`v4l2_event_subscription`.
-
Description
===========
Subscribe or unsubscribe V4L2 event. Subscribed events are dequeued by
using the :ref:`VIDIOC_DQEVENT` ioctl.
-
.. tabularcolumns:: |p{4.6cm}|p{4.4cm}|p{8.7cm}|
.. c:type:: v4l2_event_subscription
@@ -79,7 +71,6 @@ using the :ref:`VIDIOC_DQEVENT` ioctl.
the array to zero.
-
.. tabularcolumns:: |p{6.8cm}|p{2.2cm}|p{8.5cm}|
.. _event-flags:
@@ -114,7 +105,6 @@ using the :ref:`VIDIOC_DQEVENT` ioctl.
Think carefully when you set this flag so you won't get into
situations like that.
-
Return Value
============