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authorVandana BN <bnvandana@gmail.com>2019-10-17 03:43:08 -0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-10-24 11:45:02 -0300
commita2e31ce91de97e7797fe9c68f3671df2905842aa (patch)
treedf662a100a2ab2708850a94f43537fe739f1c68c /Documentation
parentd5797cf685a0a3310457d89ef640be68a1de0743 (diff)
media: Documentation:media:v4l2:Add vivid metadata doc
Adds new file for describing new metadata format V4L2_META_FMT_VIVID added in vivid driver. Signed-off-by: Vandana BN <bnvandana@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/media/uapi/v4l/meta-formats.rst1
-rw-r--r--Documentation/media/uapi/v4l/pixfmt-meta-vivid.rst60
2 files changed, 61 insertions, 0 deletions
diff --git a/Documentation/media/uapi/v4l/meta-formats.rst b/Documentation/media/uapi/v4l/meta-formats.rst
index b10ca9ee3968..74c8659ee9d6 100644
--- a/Documentation/media/uapi/v4l/meta-formats.rst
+++ b/Documentation/media/uapi/v4l/meta-formats.rst
@@ -24,3 +24,4 @@ These formats are used for the :ref:`metadata` interface only.
pixfmt-meta-uvc
pixfmt-meta-vsp1-hgo
pixfmt-meta-vsp1-hgt
+ pixfmt-meta-vivid
diff --git a/Documentation/media/uapi/v4l/pixfmt-meta-vivid.rst b/Documentation/media/uapi/v4l/pixfmt-meta-vivid.rst
new file mode 100644
index 000000000000..eed20eaefe24
--- /dev/null
+++ b/Documentation/media/uapi/v4l/pixfmt-meta-vivid.rst
@@ -0,0 +1,60 @@
+.. This file is dual-licensed: you can use it either under the terms
+.. of the GPL 2.0 or the GFDL 1.1+ license, at your option. Note that this
+.. dual licensing only applies to this file, and not this project as a
+.. whole.
+..
+.. a) This file is free software; you can redistribute it and/or
+.. modify it under the terms of the GNU General Public License as
+.. published by the Free Software Foundation version 2 of
+.. the License.
+..
+.. This file is distributed in the hope that it will be useful,
+.. but WITHOUT ANY WARRANTY; without even the implied warranty of
+.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+.. GNU General Public License for more details.
+..
+.. Or, alternatively,
+..
+.. b) Permission is granted to copy, distribute and/or modify this
+.. document under the terms of the GNU Free Documentation License,
+.. Version 1.1 or any later version published by the Free Software
+.. Foundation, with no Invariant Sections, no Front-Cover Texts
+.. and no Back-Cover Texts. A copy of the license is included at
+.. Documentation/media/uapi/fdl-appendix.rst.
+..
+.. TODO: replace it to GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
+
+.. _v4l2-meta-fmt-vivid:
+
+*******************************
+V4L2_META_FMT_VIVID ('VIVD')
+*******************************
+
+VIVID Metadata Format
+
+
+Description
+===========
+
+This describes metadata format used by the vivid driver.
+
+It sets Brightness, Saturation, Contrast and Hue, each of which maps to
+corresponding controls of the vivid driver with respect to the range and default values.
+
+It contains the following fields:
+
+.. flat-table:: VIVID Metadata
+ :widths: 1 4
+ :header-rows: 1
+ :stub-columns: 0
+
+ * - Field
+ - Description
+ * - u16 brightness;
+ - Image brightness, the value is in the range 0 to 255, with the default value as 128.
+ * - u16 contrast;
+ - Image contrast, the value is in the range 0 to 255, with the default value as 128.
+ * - u16 saturation;
+ - Image color saturation, the value is in the range 0 to 255, with the default value as 128.
+ * - s16 hue;
+ - Image color balance, the value is in the range -128 to 128, with the default value as 0.

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