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From: Erling Ljunggren <hljunggr@cisco.com>
To: linux-media@vger.kernel.org
Cc: Erling Ljunggren <hljunggr@cisco.com>
Subject: [PATCH 2/5] media: docs: Add V4L2_CAP_EDID_MEMORY
Date: Thu, 28 Jul 2022 13:40:47 +0200	[thread overview]
Message-ID: <20220728114050.2400475-3-hljunggr@cisco.com> (raw)
In-Reply-To: <20220728114050.2400475-1-hljunggr@cisco.com>

Add documentation for the new edid eeprom capability.

Signed-off-by: Erling Ljunggren <hljunggr@cisco.com>
---
 Documentation/userspace-api/media/v4l/biblio.rst      | 11 +++++++++++
 .../userspace-api/media/v4l/vidioc-querycap.rst       |  7 +++++++
 .../userspace-api/media/videodev2.h.rst.exceptions    |  1 +
 3 files changed, 19 insertions(+)

diff --git a/Documentation/userspace-api/media/v4l/biblio.rst b/Documentation/userspace-api/media/v4l/biblio.rst
index 9cd18c153d19..5cbe41877a63 100644
--- a/Documentation/userspace-api/media/v4l/biblio.rst
+++ b/Documentation/userspace-api/media/v4l/biblio.rst
@@ -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
diff --git a/Documentation/userspace-api/media/v4l/vidioc-querycap.rst b/Documentation/userspace-api/media/v4l/vidioc-querycap.rst
index 63e23f6f95ee..bdb530bd6816 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-querycap.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-querycap.rst
@@ -173,6 +173,13 @@ specification the ioctl returns an ``EINVAL`` error code.
 	interface. A video overlay device typically stores captured images
 	directly in the video memory of a graphics card, with hardware
 	clipping and scaling.
+    * - ``V4L2_CAP_EDID_MEMORY``
+      - 0x00000008
+      - The device is a standalone EDID memory device. This is typically an eeprom
+        that supports the VESA Enhanced Display Data Channel Standard.
+
+        While an eeprom is the most common implementation, it can be something else
+        as well, such as a microcontroller. Hence the generic name 'memory'.
     * - ``V4L2_CAP_VBI_CAPTURE``
       - 0x00000010
       - The device supports the :ref:`Raw VBI Capture <raw-vbi>`
diff --git a/Documentation/userspace-api/media/videodev2.h.rst.exceptions b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
index 9cbb7a0c354a..12fa290828e7 100644
--- a/Documentation/userspace-api/media/videodev2.h.rst.exceptions
+++ b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
@@ -185,6 +185,7 @@ 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_MEMORY device-capabilities
 
 # V4L2 pix flags
 replace define V4L2_PIX_FMT_PRIV_MAGIC :c:type:`v4l2_pix_format`
-- 
2.37.1


  parent reply	other threads:[~2022-07-28 11:42 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-28 11:40 [PATCH 0/5] Add the cat24c208 EDID EEPROM driver + new EDID capability Erling Ljunggren
2022-07-28 11:40 ` [PATCH 1/5] media: videodev2.h: add V4L2_CAP_EDID_MEMORY Erling Ljunggren
2022-07-28 11:40 ` Erling Ljunggren [this message]
2022-07-31  9:54   ` [PATCH 2/5] media: docs: Add V4L2_CAP_EDID_MEMORY kernel test robot
2022-07-28 11:40 ` [PATCH 3/5] dt-bindings: media: add cat24c208 bindings Erling Ljunggren
2022-07-28 13:47   ` Rob Herring
2022-07-28 11:40 ` [PATCH 4/5] media: i2c: cat24c208: driver for the cat24c208 EDID EEPROM Erling Ljunggren
     [not found]   ` <CAHp75VeKMJ7eSZ3SLki74o+LkL6CBfcx4RL90n2J20BE+8L+KA@mail.gmail.com>
2022-07-28 13:23     ` Hans Verkuil
2022-07-28 20:56       ` Andy Shevchenko
2022-07-29  7:21         ` Hans Verkuil
2022-07-29 12:00           ` Andy Shevchenko
2022-07-29 12:11             ` Hans Verkuil
2022-07-29 14:47               ` Andy Shevchenko
2022-07-29 15:34                 ` Hans Verkuil
2022-07-29 15:51   ` Andy Shevchenko
2022-08-01 13:07     ` Erling Ljunggren (hljunggr)
2022-08-01 14:57       ` Andy Shevchenko
2022-08-01 18:34         ` Hans Verkuil
2022-08-02  8:42           ` Andy Shevchenko
2022-08-02  9:06             ` Hans Verkuil
2022-08-02 12:21               ` Andy Shevchenko
2022-08-02 12:23                 ` Andy Shevchenko
2022-08-02 12:26                   ` Andy Shevchenko
2022-08-02 12:45                     ` Hans Verkuil
2022-08-02 12:49                       ` Andy Shevchenko
2022-08-02 12:58                         ` Hans Verkuil
2022-08-02 16:26                           ` Andy Shevchenko
2022-08-02 16:28                             ` Andy Shevchenko
2022-08-03  1:36   ` kernel test robot
2022-07-28 11:40 ` [PATCH 5/5] media: v4l2-dev: handle V4L2_CAP_EDID_MEMORY Erling Ljunggren

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