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Commit 210f400d authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Merge tag 'v4.10-rc8' into perf/core, to pick up fixes 



Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parents f2029b1e 7089db84

Documentation/media/uapi/cec/cec-func-close.rst

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@@ -33,11 +33,6 @@ Arguments 
Description

Description

===========

===========





.. note::



   This documents the proposed CEC API. This API is not yet finalized

   and is currently only available as a staging kernel module.



Closes the cec device. Resources associated with the file descriptor are

Closes the cec device. Resources associated with the file descriptor are

freed. The device configuration remain unchanged.

freed. The device configuration remain unchanged.

Documentation/media/uapi/cec/cec-func-ioctl.rst

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@@ -39,11 +39,6 @@ Arguments 
Description

Description

===========

===========





.. note::



   This documents the proposed CEC API. This API is not yet finalized

   and is currently only available as a staging kernel module.



The :c:func:`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.

argument ``fd`` must be an open file descriptor.

Documentation/media/uapi/cec/cec-func-open.rst

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@@ -46,11 +46,6 @@ Arguments 
Description

Description

===========

===========





.. note::



   This documents the proposed CEC API. This API is not yet finalized

   and is currently only available as a staging kernel module.



To open a cec device applications call :c:func:`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

desired device name. The function has no side effects; the device

configuration remain unchanged.

configuration remain unchanged.

Documentation/media/uapi/cec/cec-func-poll.rst

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@@ -39,11 +39,6 @@ Arguments 
Description

Description

===========

===========





.. note::



   This documents the proposed CEC API. This API is not yet finalized

   and is currently only available as a staging kernel module.



With the :c:func:`poll()` function applications can wait for CEC

With the :c:func:`poll()` function applications can wait for CEC

events.

events.

Documentation/media/uapi/cec/cec-intro.rst

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@@ -3,11 +3,6 @@ 
Introduction

Introduction

============

============





.. note::



   This documents the proposed CEC API. This API is not yet finalized

   and is currently only available as a staging kernel module.



HDMI connectors provide a single pin for use by the Consumer Electronics

HDMI connectors provide a single pin for use by the Consumer Electronics

Control protocol. This protocol allows different devices connected by an

Control protocol. This protocol allows different devices connected by an

HDMI cable to communicate. The protocol for CEC version 1.4 is defined

HDMI cable to communicate. The protocol for CEC version 1.4 is defined
@@ -31,3 +26,15 @@ control just the CEC pin. 
Drivers that support CEC will create a CEC device node (/dev/cecX) to

Drivers that support CEC will create a CEC device node (/dev/cecX) to

give userspace access to the CEC adapter. The

give userspace access to the CEC adapter. The

:ref:`CEC_ADAP_G_CAPS` ioctl will tell userspace what it is allowed to do.

:ref:`CEC_ADAP_G_CAPS` ioctl will tell userspace what it is allowed to do.



In order to check the support and test it, it is suggested to download

the `v4l-utils <https://git.linuxtv.org/v4l-utils.git/>`_ package. It

provides three tools to handle CEC:



- cec-ctl: the Swiss army knife of CEC. Allows you to configure, transmit

  and monitor CEC messages.



- cec-compliance: does a CEC compliance test of a remote CEC device to

  determine how compliant the CEC implementation is.



- cec-follower: emulates a CEC follower.