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Guennadi Liakhovetski 088ead2552 media: uvcvideo: Add a metadata device node
Some UVC video cameras contain metadata in their payload headers. This
patch extracts that data, adding more clock synchronisation information,
on both bulk and isochronous endpoints and makes it available to the user
space on a separate video node, using the V4L2_CAP_META_CAPTURE capability
and the V4L2_BUF_TYPE_META_CAPTURE buffer queue type. By default, only the
V4L2_META_FMT_UVC pixel format is available from those nodes. However,
cameras can be added to the device ID table to additionally specify their
own metadata format, in which case that format will also become available
from the metadata node.

[Use put_unaligned instead of __put_unaligned_cpu64]
[Use put_unaligned for the sof field as well]

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-04 06:41:47 -05:00
arch Linux 4.15-rc6 2018-01-03 04:14:04 -05:00
block
certs
crypto
Documentation media: v4l: Add a UVC Metadata format 2018-01-04 06:39:18 -05:00
drivers media: uvcvideo: Add a metadata device node 2018-01-04 06:41:47 -05:00
firmware
fs Linux 4.15-rc6 2018-01-03 04:14:04 -05:00
include media: uvcvideo: Add a metadata device node 2018-01-04 06:41:47 -05:00
init
ipc
kernel
lib Linux 4.15-rc6 2018-01-03 04:14:04 -05:00
mm
net
samples
scripts Linux 4.15-rc6 2018-01-03 04:14:04 -05:00
security
sound
tools
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Linux 4.15-rc6 2018-01-03 04:14:04 -05:00
Makefile
README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.