[2/5] media: docs: Add V4L2_CAP_EDID_MEMORY
Commit Message
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(+)
Comments
Hi Erling,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on media-tree/master]
[also build test WARNING on linus/master v5.19-rc8 next-20220728]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Erling-Ljunggren/Add-the-cat24c208-EDID-EEPROM-driver-new-EDID-capability/20220728-194524
base: git://linuxtv.org/media_tree.git master
reproduce: make htmldocs
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> Documentation/userspace-api/media/v4l/biblio.rst:340: WARNING: Title underline too short.
vim +340 Documentation/userspace-api/media/v4l/biblio.rst
338
339 E-DDC
> 340 ====
341
342
@@ -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
@@ -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>`
@@ -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`