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From: Stanimir Varbanov <stanimir.varbanov@linaro.org>
To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org
Cc: hverkuil-cisco@xs4all.nl, ezequiel@collabora.com,
	nicolas.dufresne@collabora.com,
	Stanimir Varbanov <stanimir.varbanov@linaro.org>
Subject: [PATCH v6 2/5] docs: Document colorimetry class
Date: Tue, 23 Mar 2021 15:40:37 +0200	[thread overview]
Message-ID: <20210323134040.943757-3-stanimir.varbanov@linaro.org> (raw)
In-Reply-To: <20210323134040.943757-1-stanimir.varbanov@linaro.org>

Add a document for ext control colorimetry class.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
 .../userspace-api/media/v4l/common.rst        |  1 +
 .../media/v4l/ext-ctrls-colorimetry.rst       | 22 +++++++++++++++++++
 .../media/v4l/vidioc-g-ext-ctrls.rst          |  4 ++++
 3 files changed, 27 insertions(+)
 create mode 100644 Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst

diff --git a/Documentation/userspace-api/media/v4l/common.rst b/Documentation/userspace-api/media/v4l/common.rst
index 8c263c5a85d8..ea0435182e44 100644
--- a/Documentation/userspace-api/media/v4l/common.rst
+++ b/Documentation/userspace-api/media/v4l/common.rst
@@ -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
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst
new file mode 100644
index 000000000000..862f78b41b32
--- /dev/null
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst
@@ -0,0 +1,22 @@
+.. 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.
diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
index 01773f01c4a7..15291be55299 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
@@ -404,6 +404,10 @@ 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
 ============
-- 
2.25.1


  parent reply	other threads:[~2021-03-23 13:41 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-23 13:40 [PATCH v6 0/5] HDR10 static metadata Stanimir Varbanov
2021-03-23 13:40 ` [PATCH v6 1/5] v4l: Add new Colorimetry Class Stanimir Varbanov
2021-03-23 13:40 ` Stanimir Varbanov [this message]
2021-03-23 13:40 ` [PATCH v6 3/5] v4l: Add HDR10 static metadata controls Stanimir Varbanov
2021-03-23 13:40 ` [PATCH v6 4/5] docs: Document CLL and Mastering display colorimetry controls Stanimir Varbanov
2021-03-23 13:40 ` [PATCH v6 5/5] venus: venc: Add support for CLL and Mastering display controls Stanimir Varbanov

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