Commit 4e4053a2 authored by Stanimir Varbanov's avatar Stanimir Varbanov Committed by Mauro Carvalho Chehab
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media: docs: Document colorimetry class 



Add a document for ext control colorimetry class.

Signed-off-by: default avatarStanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent f31b9ffd

Documentation/userspace-api/media/v4l/common.rst

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@@ -51,6 +51,7 @@ applicable to all devices. 
    ext-ctrls-fm-tx

    ext-ctrls-fm-rx

    ext-ctrls-detect

    ext-ctrls-colorimetry

    fourcc

    format

    planar-apis

Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst

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.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later



.. _colorimetry-controls:



*****************************

Colorimetry Control Reference

*****************************



The Colorimetry class includes controls for High Dynamic Range

imaging for representing colors in digital images and video. The

controls should be used for video and image encoding and decoding

as well as in HDMI receivers and transmitters.



Colorimetry Control IDs

-----------------------



.. _colorimetry-control-id:



``V4L2_CID_COLORIMETRY_CLASS (class)``

    The Colorimetry class descriptor. Calling

    :ref:`VIDIOC_QUERYCTRL` for this control will

    return a description of this control class.

Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst

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@@ -402,6 +402,10 @@ still cause this situation. 
      - 0xa40000

      - The class containing stateless codec controls. These controls are

	described in :ref:`codec-stateless-controls`.

    * - ``V4L2_CTRL_CLASS_COLORIMETRY``

      - 0xa50000

      - The class containing colorimetry controls. These controls are

	described in :ref:`colorimetry-controls`.



Return Value

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