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Subject[PATCH v6 16/80] media: docs: make CEC documents compatible with Sphinx 3.1+
Date
Sphinx 3.x broke support for the cdomain.py extension, as the
c domain code was rewritten. Due to that, the c tags need to
be re-written, in order to use the new c domain notation.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
.../media/cec/cec-func-close.rst | 10 +++-------
.../media/cec/cec-func-ioctl.rst | 11 ++++------
.../userspace-api/media/cec/cec-func-open.rst | 10 +++-------
.../userspace-api/media/cec/cec-func-poll.rst | 14 +++++--------
.../media/cec/cec-ioc-adap-g-caps.rst | 10 +++++-----
.../media/cec/cec-ioc-adap-g-conn-info.rst | 11 +++++-----
.../media/cec/cec-ioc-adap-g-log-addrs.rst | 20 ++++++++-----------
.../media/cec/cec-ioc-adap-g-phys-addr.rst | 15 +++++++-------
.../media/cec/cec-ioc-dqevent.rst | 15 +++++---------
.../media/cec/cec-ioc-g-mode.rst | 16 +++++++--------
.../media/cec/cec-ioc-receive.rst | 18 ++++++++---------
11 files changed, 63 insertions(+), 87 deletions(-)

diff --git a/Documentation/userspace-api/media/cec/cec-func-close.rst b/Documentation/userspace-api/media/cec/cec-func-close.rst
index 33c563f414a8..409e70a5f80f 100644
--- a/Documentation/userspace-api/media/cec/cec-func-close.rst
+++ b/Documentation/userspace-api/media/cec/cec-func-close.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: CEC

.. _cec-func-close:

@@ -11,7 +12,6 @@ Name

cec-close - Close a cec device

-
Synopsis
========

@@ -19,16 +19,13 @@ Synopsis

#include <unistd.h>

-
.. c:function:: int close( int fd )
- :name: cec-close

Arguments
=========

``fd``
- File descriptor returned by :c:func:`open() <cec-open>`.
-
+ File descriptor returned by :c:func:`open()`.

Description
===========
@@ -36,11 +33,10 @@ Description
Closes the cec device. Resources associated with the file descriptor are
freed. The device configuration remain unchanged.

-
Return Value
============

-:c:func:`close() <cec-close>` returns 0 on success. On error, -1 is returned, and
+:c:func:`close()` returns 0 on success. On error, -1 is returned, and
``errno`` is set appropriately. Possible error codes are:

``EBADF``
diff --git a/Documentation/userspace-api/media/cec/cec-func-ioctl.rst b/Documentation/userspace-api/media/cec/cec-func-ioctl.rst
index 3b88230fad80..7c93f86de6cc 100644
--- a/Documentation/userspace-api/media/cec/cec-func-ioctl.rst
+++ b/Documentation/userspace-api/media/cec/cec-func-ioctl.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: CEC

.. _cec-func-ioctl:

@@ -18,15 +19,13 @@ Synopsis

#include <sys/ioctl.h>

-
-.. c:function:: int ioctl( int fd, int request, void *argp )
- :name: cec-ioctl
+``int ioctl(int fd, int request, void *argp)``

Arguments
=========

``fd``
- File descriptor returned by :c:func:`open() <cec-open>`.
+ File descriptor returned by :c:func:`open()`.

``request``
CEC ioctl request code as defined in the cec.h header file, for
@@ -35,11 +34,10 @@ Arguments
``argp``
Pointer to a request-specific structure.

-
Description
===========

-The :c:func:`ioctl() <cec-ioctl>` function manipulates cec device parameters. The
+The :c:func:`ioctl()` function manipulates cec device parameters. The
argument ``fd`` must be an open file descriptor.

The ioctl ``request`` code specifies the cec function to be called. It
@@ -51,7 +49,6 @@ their parameters are located in the cec.h header file. All cec ioctl
requests, their respective function and parameters are specified in
:ref:`cec-user-func`.

-
Return Value
============

diff --git a/Documentation/userspace-api/media/cec/cec-func-open.rst b/Documentation/userspace-api/media/cec/cec-func-open.rst
index 887bfd2a755e..d86563a34b9e 100644
--- a/Documentation/userspace-api/media/cec/cec-func-open.rst
+++ b/Documentation/userspace-api/media/cec/cec-func-open.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: CEC

.. _cec-func-open:

@@ -18,10 +19,7 @@ Synopsis

#include <fcntl.h>

-
.. c:function:: int open( const char *device_name, int flags )
- :name: cec-open
-

Arguments
=========
@@ -42,11 +40,10 @@ Arguments

Other flags have no effect.

-
Description
===========

-To open a cec device applications call :c:func:`open() <cec-open>` with the
+To open a cec device applications call :c:func:`open()` with the
desired device name. The function has no side effects; the device
configuration remain unchanged.

@@ -54,11 +51,10 @@ When the device is opened in read-only mode, attempts to modify its
configuration will result in an error, and ``errno`` will be set to
EBADF.

-
Return Value
============

-:c:func:`open() <cec-open>` returns the new file descriptor on success. On error,
+:c:func:`open()` returns the new file descriptor on success. On error,
-1 is returned, and ``errno`` is set appropriately. Possible error codes
include:

diff --git a/Documentation/userspace-api/media/cec/cec-func-poll.rst b/Documentation/userspace-api/media/cec/cec-func-poll.rst
index 2d87136e9a3f..980bbfc0bcce 100644
--- a/Documentation/userspace-api/media/cec/cec-func-poll.rst
+++ b/Documentation/userspace-api/media/cec/cec-func-poll.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: CEC

.. _cec-func-poll:

@@ -11,7 +12,6 @@ Name

cec-poll - Wait for some event on a file descriptor

-
Synopsis
========

@@ -19,9 +19,7 @@ Synopsis

#include <sys/poll.h>

-
.. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
- :name: cec-poll

Arguments
=========
@@ -35,14 +33,13 @@ Arguments
``timeout``
Timeout to wait for events

-
Description
===========

-With the :c:func:`poll() <cec-poll>` function applications can wait for CEC
+With the :c:func:`poll()` function applications can wait for CEC
events.

-On success :c:func:`poll() <cec-poll>` returns the number of file descriptors
+On success :c:func:`poll()` returns the number of file descriptors
that have been selected (that is, file descriptors for which the
``revents`` field of the respective struct :c:type:`pollfd`
is non-zero). CEC devices set the ``POLLIN`` and ``POLLRDNORM`` flags in
@@ -53,13 +50,12 @@ then the ``POLLPRI`` flag is set. When the function times out it returns
a value of zero, on failure it returns -1 and the ``errno`` variable is
set appropriately.

-For more details see the :c:func:`poll() <cec-poll>` manual page.
-
+For more details see the :c:func:`poll()` manual page.

Return Value
============

-On success, :c:func:`poll() <cec-poll>` returns the number structures which have
+On success, :c:func:`poll()` returns the number structures which have
non-zero ``revents`` fields, or zero if the call timed out. On error -1
is returned, and the ``errno`` variable is set appropriately:

diff --git a/Documentation/userspace-api/media/cec/cec-ioc-adap-g-caps.rst b/Documentation/userspace-api/media/cec/cec-ioc-adap-g-caps.rst
index 7f25365ce0fb..c7309a2fcbce 100644
--- a/Documentation/userspace-api/media/cec/cec-ioc-adap-g-caps.rst
+++ b/Documentation/userspace-api/media/cec/cec-ioc-adap-g-caps.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: CEC

.. _CEC_ADAP_G_CAPS:

@@ -14,18 +15,18 @@ CEC_ADAP_G_CAPS - Query device capabilities
Synopsis
========

-.. c:function:: int ioctl( int fd, CEC_ADAP_G_CAPS, struct cec_caps *argp )
- :name: CEC_ADAP_G_CAPS
+.. c:macro:: CEC_ADAP_G_CAPS
+
+``int ioctl(int fd, CEC_ADAP_G_CAPS, struct cec_caps *argp)``

Arguments
=========

``fd``
- File descriptor returned by :c:func:`open() <cec-open>`.
+ File descriptor returned by :c:func:`open()`.

``argp``

-
Description
===========

@@ -62,7 +63,6 @@ returns the information to the application. The ioctl never fails.
- CEC Framework API version, formatted with the ``KERNEL_VERSION()``
macro.

-
.. tabularcolumns:: |p{4.4cm}|p{2.5cm}|p{10.6cm}|

.. _cec-capabilities:
diff --git a/Documentation/userspace-api/media/cec/cec-ioc-adap-g-conn-info.rst b/Documentation/userspace-api/media/cec/cec-ioc-adap-g-conn-info.rst
index 6818ddf1495c..13116b0b5c17 100644
--- a/Documentation/userspace-api/media/cec/cec-ioc-adap-g-conn-info.rst
+++ b/Documentation/userspace-api/media/cec/cec-ioc-adap-g-conn-info.rst
@@ -2,6 +2,8 @@
..
.. Copyright 2019 Google LLC
..
+.. c:namespace:: CEC
+
.. _CEC_ADAP_G_CONNECTOR_INFO:

*******************************
@@ -16,18 +18,18 @@ CEC_ADAP_G_CONNECTOR_INFO - Query HDMI connector information
Synopsis
========

-.. c:function:: int ioctl( int fd, CEC_ADAP_G_CONNECTOR_INFO, struct cec_connector_info *argp )
- :name: CEC_ADAP_G_CONNECTOR_INFO
+.. c:macro:: CEC_ADAP_G_CONNECTOR_INFO
+
+``int ioctl(int fd, CEC_ADAP_G_CONNECTOR_INFO, struct cec_connector_info *argp)``

Arguments
=========

``fd``
- File descriptor returned by :c:func:`open() <cec-open>`.
+ File descriptor returned by :c:func:`open()`.

``argp``

-
Description
===========

@@ -57,7 +59,6 @@ is only available if the ``CEC_CAP_CONNECTOR_INFO`` capability is set.
* - }
-

-
.. tabularcolumns:: |p{4.4cm}|p{2.5cm}|p{10.6cm}|

.. _connector-type:
diff --git a/Documentation/userspace-api/media/cec/cec-ioc-adap-g-log-addrs.rst b/Documentation/userspace-api/media/cec/cec-ioc-adap-g-log-addrs.rst
index 1ca893270ae9..c760c07b6b3f 100644
--- a/Documentation/userspace-api/media/cec/cec-ioc-adap-g-log-addrs.rst
+++ b/Documentation/userspace-api/media/cec/cec-ioc-adap-g-log-addrs.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: CEC

.. _CEC_ADAP_LOG_ADDRS:
.. _CEC_ADAP_G_LOG_ADDRS:
@@ -13,21 +14,22 @@ Name

CEC_ADAP_G_LOG_ADDRS, CEC_ADAP_S_LOG_ADDRS - Get or set the logical addresses

-
Synopsis
========

-.. c:function:: int ioctl( int fd, CEC_ADAP_G_LOG_ADDRS, struct cec_log_addrs *argp )
- :name: CEC_ADAP_G_LOG_ADDRS
+.. c:macro:: CEC_ADAP_G_LOG_ADDRS

-.. c:function:: int ioctl( int fd, CEC_ADAP_S_LOG_ADDRS, struct cec_log_addrs *argp )
- :name: CEC_ADAP_S_LOG_ADDRS
+``int ioctl(int fd, CEC_ADAP_G_LOG_ADDRS, struct cec_log_addrs *argp)``
+
+.. c:macro:: CEC_ADAP_S_LOG_ADDRS
+
+``int ioctl(int fd, CEC_ADAP_S_LOG_ADDRS, struct cec_log_addrs *argp)``

Arguments
=========

``fd``
- File descriptor returned by :c:func:`open() <cec-open>`.
+ File descriptor returned by :c:func:`open()`.

``argp``
Pointer to struct :c:type:`cec_log_addrs`.
@@ -148,7 +150,6 @@ logical address types are already defined will return with error ``EBUSY``.
give the CEC framework more information about the device type, even
though the framework won't use it directly in the CEC message.

-
.. tabularcolumns:: |p{7.8cm}|p{1.0cm}|p{8.7cm}|

.. _cec-log-addrs-flags:
@@ -185,7 +186,6 @@ logical address types are already defined will return with error ``EBUSY``.

All other messages are ignored.

-
.. tabularcolumns:: |p{7.8cm}|p{1.0cm}|p{8.7cm}|

.. _cec-versions:
@@ -211,7 +211,6 @@ logical address types are already defined will return with error ``EBUSY``.
- 6
- CEC version according to the HDMI 2.0 standard.

-
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|

.. _cec-prim-dev-types:
@@ -257,7 +256,6 @@ logical address types are already defined will return with error ``EBUSY``.
- 7
- Use for a video processor device.

-
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|

.. _cec-log-addr-types:
@@ -306,7 +304,6 @@ logical address types are already defined will return with error ``EBUSY``.
Control).


-
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|

.. _cec-all-dev-types-flags:
@@ -348,7 +345,6 @@ logical address types are already defined will return with error ``EBUSY``.
- This supports the CEC Switch or Video Processing type.


-
Return Value
============

diff --git a/Documentation/userspace-api/media/cec/cec-ioc-adap-g-phys-addr.rst b/Documentation/userspace-api/media/cec/cec-ioc-adap-g-phys-addr.rst
index a10443be1b26..fb22f6894f26 100644
--- a/Documentation/userspace-api/media/cec/cec-ioc-adap-g-phys-addr.rst
+++ b/Documentation/userspace-api/media/cec/cec-ioc-adap-g-phys-addr.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: CEC

.. _CEC_ADAP_PHYS_ADDR:
.. _CEC_ADAP_G_PHYS_ADDR:
@@ -13,21 +14,22 @@ Name

CEC_ADAP_G_PHYS_ADDR, CEC_ADAP_S_PHYS_ADDR - Get or set the physical address

-
Synopsis
========

-.. c:function:: int ioctl( int fd, CEC_ADAP_G_PHYS_ADDR, __u16 *argp )
- :name: CEC_ADAP_G_PHYS_ADDR
+.. c:macro:: CEC_ADAP_G_PHYS_ADDR

-.. c:function:: int ioctl( int fd, CEC_ADAP_S_PHYS_ADDR, __u16 *argp )
- :name: CEC_ADAP_S_PHYS_ADDR
+``int ioctl(int fd, CEC_ADAP_G_PHYS_ADDR, __u16 *argp)``
+
+.. c:macro:: CEC_ADAP_S_PHYS_ADDR
+
+``int ioctl(int fd, CEC_ADAP_S_PHYS_ADDR, __u16 *argp)``

Arguments
=========

``fd``
- File descriptor returned by :c:func:`open() <cec-open>`.
+ File descriptor returned by :c:func:`open()`.

``argp``
Pointer to the CEC address.
@@ -71,7 +73,6 @@ For example, the EDID for each HDMI input of the TV will have a
different physical address of the form a.0.0.0 that the sources will
read out and use as their physical address.

-
Return Value
============

diff --git a/Documentation/userspace-api/media/cec/cec-ioc-dqevent.rst b/Documentation/userspace-api/media/cec/cec-ioc-dqevent.rst
index 3bc81fc5a73f..736fda5ad73d 100644
--- a/Documentation/userspace-api/media/cec/cec-ioc-dqevent.rst
+++ b/Documentation/userspace-api/media/cec/cec-ioc-dqevent.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: CEC

.. _CEC_DQEVENT:

@@ -11,22 +12,21 @@ Name

CEC_DQEVENT - Dequeue a CEC event

-
Synopsis
========

-.. c:function:: int ioctl( int fd, CEC_DQEVENT, struct cec_event *argp )
- :name: CEC_DQEVENT
+.. c:macro:: CEC_DQEVENT
+
+``int ioctl(int fd, CEC_DQEVENT, struct cec_event *argp)``

Arguments
=========

``fd``
- File descriptor returned by :c:func:`open() <cec-open>`.
+ File descriptor returned by :c:func:`open()`.

``argp``

-
Description
===========

@@ -72,7 +72,6 @@ it is guaranteed that the state did change in between the two events.
the HDMI driver is still configuring the device or because the HDMI
device was unbound.

-
.. c:type:: cec_event_lost_msgs

.. tabularcolumns:: |p{1.0cm}|p{2.0cm}|p{14.5cm}|
@@ -94,7 +93,6 @@ it is guaranteed that the state did change in between the two events.
replied to within a second according to the CEC specification,
this is more than enough.

-
.. tabularcolumns:: |p{1.0cm}|p{4.4cm}|p{2.5cm}|p{9.6cm}|

.. c:type:: cec_event
@@ -130,7 +128,6 @@ it is guaranteed that the state did change in between the two events.
* - }
-

-
.. tabularcolumns:: |p{5.6cm}|p{0.9cm}|p{11.0cm}|

.. _cec-events:
@@ -204,7 +201,6 @@ it is guaranteed that the state did change in between the two events.
if the 5V is high, then an initial event will be generated for that
filehandle.

-
.. tabularcolumns:: |p{6.0cm}|p{0.6cm}|p{10.9cm}|

.. _cec-event-flags:
@@ -230,7 +226,6 @@ it is guaranteed that the state did change in between the two events.
This is an indication that the application cannot keep up.


-
Return Value
============

diff --git a/Documentation/userspace-api/media/cec/cec-ioc-g-mode.rst b/Documentation/userspace-api/media/cec/cec-ioc-g-mode.rst
index 2093e373c93c..d3387b1fa7c5 100644
--- a/Documentation/userspace-api/media/cec/cec-ioc-g-mode.rst
+++ b/Documentation/userspace-api/media/cec/cec-ioc-g-mode.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: CEC

.. _CEC_MODE:
.. _CEC_G_MODE:
@@ -13,17 +14,19 @@ CEC_G_MODE, CEC_S_MODE - Get or set exclusive use of the CEC adapter
Synopsis
========

-.. c:function:: int ioctl( int fd, CEC_G_MODE, __u32 *argp )
- :name: CEC_G_MODE
+.. c:macro:: CEC_G_MODE

-.. c:function:: int ioctl( int fd, CEC_S_MODE, __u32 *argp )
- :name: CEC_S_MODE
+``int ioctl(int fd, CEC_G_MODE, __u32 *argp)``
+
+.. c:macro:: CEC_S_MODE
+
+``int ioctl(int fd, CEC_S_MODE, __u32 *argp)``

Arguments
=========

``fd``
- File descriptor returned by :c:func:`open() <cec-open>`.
+ File descriptor returned by :c:func:`open()`.

``argp``
Pointer to CEC mode.
@@ -101,7 +104,6 @@ Available initiator modes are:
then an attempt to become one will return the ``EBUSY`` error code
error.

-
Available follower modes are:

.. tabularcolumns:: |p{6.6cm}|p{0.9cm}|p{10.0cm}|
@@ -193,7 +195,6 @@ Available follower modes are:
the process has the ``CAP_NET_ADMIN`` capability. If that is not
set, then the ``EPERM`` error code is returned.

-
Core message processing details:

.. tabularcolumns:: |p{6.6cm}|p{10.9cm}|
@@ -272,7 +273,6 @@ Core message processing details:
and then just pass the message on to the follower(s).


-
Return Value
============

diff --git a/Documentation/userspace-api/media/cec/cec-ioc-receive.rst b/Documentation/userspace-api/media/cec/cec-ioc-receive.rst
index 9d629d46973c..b2fc051e99f4 100644
--- a/Documentation/userspace-api/media/cec/cec-ioc-receive.rst
+++ b/Documentation/userspace-api/media/cec/cec-ioc-receive.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: CEC

.. _CEC_TRANSMIT:
.. _CEC_RECEIVE:
@@ -12,21 +13,22 @@ Name

CEC_RECEIVE, CEC_TRANSMIT - Receive or transmit a CEC message

-
Synopsis
========

-.. c:function:: int ioctl( int fd, CEC_RECEIVE, struct cec_msg \*argp )
- :name: CEC_RECEIVE
+.. c:macro:: CEC_RECEIVE

-.. c:function:: int ioctl( int fd, CEC_TRANSMIT, struct cec_msg \*argp )
- :name: CEC_TRANSMIT
+``int ioctl(int fd, CEC_RECEIVE, struct cec_msg *argp)``
+
+.. c:macro:: CEC_TRANSMIT
+
+``int ioctl(int fd, CEC_TRANSMIT, struct cec_msg *argp)``

Arguments
=========

``fd``
- File descriptor returned by :c:func:`open() <cec-open>`.
+ File descriptor returned by :c:func:`open()`.

``argp``
Pointer to struct cec_msg.
@@ -194,7 +196,6 @@ View On' messages from initiator 0xf ('Unregistered') to destination 0 ('TV').
supports this, otherwise it is always 0. This counter is only
valid if the :ref:`CEC_TX_STATUS_ERROR <CEC-TX-STATUS-ERROR>` status bit is set.

-
.. tabularcolumns:: |p{6.2cm}|p{1.0cm}|p{10.3cm}|

.. _cec-msg-flags:
@@ -228,7 +229,6 @@ View On' messages from initiator 0xf ('Unregistered') to destination 0 ('TV').
capability. If that is not set, then the ``EPERM`` error code is
returned.

-
.. tabularcolumns:: |p{5.6cm}|p{0.9cm}|p{11.0cm}|

.. _cec-tx-status:
@@ -298,7 +298,6 @@ View On' messages from initiator 0xf ('Unregistered') to destination 0 ('TV').
- The transmit timed out. This should not normally happen and this
indicates a driver problem.

-
.. tabularcolumns:: |p{5.6cm}|p{0.9cm}|p{11.0cm}|

.. _cec-rx-status:
@@ -335,7 +334,6 @@ View On' messages from initiator 0xf ('Unregistered') to destination 0 ('TV').
reply was interrupted.


-
Return Value
============

--
2.26.2
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