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Filename Latest commit message Latest commit date
Song, Hongyan 71f6fa90a3 HID: increase maximum global item tag report size to 256
The maximum globale report size has changed from 32->...->96->128 in the past
years.  With the development usage of HID, the report_size max value 128 cannot
satisfy all requirements.

There are applications need to expose intrinsic metadata to camera stabilizing
applications such as 3DFE application. 3DFE intrinsic is designed to express
environmental information about sensor that may dynamically change while the
sensor is running (such data include noise spectral density, bias standard
deviation)

A sensor data field is SENSOR_VALUE_PAIR that consists of a PROPERTYKEY and
PROPVARIANT pair. It need to report a unique PROPERTYKEY for each data field.

Take “Noise Spectral Density” as an example, it report count will be
defined as below:

	"Size of Property key GUID(16 Byte) + property key index(4 Byte) +
	size of Noise Spectral Density value(4 Byte)"

In this case, the data report max is totally 192(24Byte), which is larger than
128, while max size 128 blocked it as illegal length. So increase the report
size to satisfy it and more demands in the future.

Signed-off-by: Song Hongyan <hongyan.song@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2018-08-28 13:43:53 +02:00
arch - New Drivers 2018-08-20 15:38:44 -07:00
block
certs Replace magic for trusting the secondary keyring with #define 2018-08-16 09:57:20 -07:00
crypto DMAengine updates for v4.19-rc1 2018-08-18 15:55:59 -07:00
Documentation Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2018-08-20 15:59:01 -07:00
drivers HID: increase maximum global item tag report size to 256 2018-08-28 13:43:53 +02:00
firmware
fs Driver core patches for 4.19-rc1 2018-08-18 11:44:53 -07:00
include Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2018-08-20 15:59:01 -07:00
init mm: introduce CONFIG_MEMCG_KMEM as combination of CONFIG_MEMCG && !CONFIG_SLOB 2018-08-17 16:20:30 -07:00
ipc
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-08-19 11:51:45 -07:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-08-19 11:51:45 -07:00
LICENSES
mm mm/hmm.c: remove unused variables align_start and align_end 2018-08-17 16:20:33 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-08-19 11:51:45 -07:00
samples samples/bpf: all XDP samples should unload xdp/bpf prog on SIGTERM 2018-08-16 21:55:32 +02:00
scripts Char/Misc driver patches for 4.19-rc1 2018-08-18 11:04:51 -07:00
security Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2018-08-15 22:54:12 -07:00
sound DMAengine updates for v4.19-rc1 2018-08-18 15:55:59 -07:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-08-19 11:51:45 -07:00
usr
virt Minor code cleanups for PPC. 2018-08-19 10:38:36 -07:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap Merge branch 'linus/master' into rdma.git for-next 2018-08-16 14:21:29 -06:00
COPYING
CREDITS 9p: remove Ron Minnich from MAINTAINERS 2018-08-17 16:20:26 -07:00
Kbuild
Kconfig
MAINTAINERS - New Drivers 2018-08-20 15:38:44 -07:00
Makefile
README

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

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.