Commit d2f2ce00 authored by Erling Ljunggren's avatar Erling Ljunggren Committed by Mauro Carvalho Chehab
Browse files

media: docs: Add V4L2_CAP_EDID 



Add documentation for the new edid capability.

Signed-off-by: default avatarErling Ljunggren <hljunggr@cisco.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: default avatarSebastian Fricke <sebastian.fricke@collabora.com>
Reviewed-by: default avatarRicardo Ribalda <ribalda@chromium.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent c9edd2e4

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

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@@ -334,6 +334,17 @@ VESA DMT 


:author:    Video Electronics Standards Association (http://www.vesa.org)



.. _vesaeddc:



E-DDC

=====





:title:     VESA Enhanced Display Data Channel (E-DDC) Standard

:subtitle:  Version 1.3



:author:    Video Electronics Standards Association (http://www.vesa.org)



.. _vesaedid:



EDID

Documentation/userspace-api/media/v4l/vidioc-querycap.rst

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@@ -244,6 +244,17 @@ specification the ioctl returns an ``EINVAL`` error code. 
      - 0x01000000

      - The device supports the :c:func:`read()` and/or

	:c:func:`write()` I/O methods.

    * - ``V4L2_CAP_EDID``

      - 0x02000000

      - The device stores the EDID for a video input, or retrieves the EDID for a video

        output. It is a standalone EDID device, so no video streaming etc. will take place.



        For a video input this is typically an eeprom that supports the

        :ref:`VESA Enhanced Display Data Channel Standard <vesaeddc>`. It can be something

        else as well, for example a micro controller.



        For a video output this is typically read from an external device such as an

        HDMI splitter accessed by a serial port.

    * - ``V4L2_CAP_STREAMING``

      - 0x04000000

      - The device supports the :ref:`streaming <mmap>` I/O method.

Documentation/userspace-api/media/videodev2.h.rst.exceptions

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@@ -197,6 +197,7 @@ replace define V4L2_CAP_META_OUTPUT device-capabilities 
replace define V4L2_CAP_DEVICE_CAPS device-capabilities

replace define V4L2_CAP_TOUCH device-capabilities

replace define V4L2_CAP_IO_MC device-capabilities

replace define V4L2_CAP_EDID device-capabilities



# V4L2 pix flags

replace define V4L2_PIX_FMT_PRIV_MAGIC :c:type:`v4l2_pix_format`