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-rw-r--r--Documentation/userspace-api/media/mediactl/media-ioc-device-info.rst13
1 files changed, 4 insertions, 9 deletions
diff --git a/Documentation/userspace-api/media/mediactl/media-ioc-device-info.rst b/Documentation/userspace-api/media/mediactl/media-ioc-device-info.rst
index cde1ddfc0bfb..0c4c5d2cfcb2 100644
--- a/Documentation/userspace-api/media/mediactl/media-ioc-device-info.rst
+++ b/Documentation/userspace-api/media/mediactl/media-ioc-device-info.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: MC
.. _media_ioc_device_info:
@@ -11,24 +12,22 @@ Name
MEDIA_IOC_DEVICE_INFO - Query device information
-
Synopsis
========
-.. c:function:: int ioctl( int fd, MEDIA_IOC_DEVICE_INFO, struct media_device_info *argp )
- :name: MEDIA_IOC_DEVICE_INFO
+.. c:macro:: MEDIA_IOC_DEVICE_INFO
+``int ioctl(int fd, MEDIA_IOC_DEVICE_INFO, struct media_device_info *argp)``
Arguments
=========
``fd``
- File descriptor returned by :ref:`open() <media-func-open>`.
+ File descriptor returned by :c:func:`open()`.
``argp``
Pointer to struct :c:type:`media_device_info`.
-
Description
===========
@@ -38,7 +37,6 @@ a struct :c:type:`media_device_info`. The driver
fills the structure and returns the information to the application. The
ioctl never fails.
-
.. c:type:: media_device_info
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
@@ -48,7 +46,6 @@ ioctl never fails.
:stub-columns: 0
:widths: 1 1 2
-
* - char
- ``driver``\ [16]
- Name of the driver implementing the media API as a NUL-terminated
@@ -94,7 +91,6 @@ ioctl never fails.
- Reserved for future extensions. Drivers and applications must set
this array to zero.
-
The ``serial`` and ``bus_info`` fields can be used to distinguish
between multiple instances of otherwise identical hardware. The serial
number takes precedence when provided and can be assumed to be unique.
@@ -102,7 +98,6 @@ If the serial number is an empty string, the ``bus_info`` field can be
used instead. The ``bus_info`` field is guaranteed to be unique, but can
vary across reboots or device unplug/replug.
-
Return Value
============