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Filename Latest commit message Latest commit date
Kai-Heng Feng 67b18dfb8c HID: i2c-hid: Remove runtime power management
Runtime power management in i2c-hid brings lots of issues, such as:
- When transitioning from display manager to desktop session, i2c-hid
was closed and opened, so the device was set to SLEEP and ON in a short
period. Vendors confirmed that their devices can't handle fast ON/SLEEP
command because Windows doesn't have this behavior.

- When rebooting, i2c-hid was closed, and the driver core put the device
back to full power before shutdown. This behavior also triggers a quick
SLEEP and ON commands that some devices can't handle, renders an
unusable touchpad after reboot.

- Most importantly, my power meter reports little to none energy saving
when i2c-hid is runtime suspended.

So let's remove runtime power management since there is no actual
benefit.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2019-10-18 15:29:56 +02:00
arch Modules updates for v5.4 2019-09-22 10:34:46 -07:00
block dma-mapping updates for 5.4: 2019-09-19 13:27:23 -07:00
certs
crypto - crypto and DM crypt advances that allow the crypto API to reclaim 2019-09-21 10:40:37 -07:00
Documentation RTC for 5.4 2019-09-22 11:05:43 -07:00
drivers HID: i2c-hid: Remove runtime power management 2019-10-18 15:29:56 +02:00
fs selinux/stable-5.4 PR 20190917 2019-09-23 11:21:04 -07:00
include Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid 2019-09-23 12:18:13 -07:00
init Modules updates for v5.4 2019-09-22 10:34:46 -07:00
ipc
kernel Modules updates for v5.4 2019-09-22 10:34:46 -07:00
lib Modules updates for v5.4 2019-09-22 10:34:46 -07:00
LICENSES
mm hmm related patches for 5.4 2019-09-21 10:07:42 -07:00
net RDMA subsystem updates for 5.4 2019-09-21 10:26:24 -07:00
samples rpmsg updates for v5.4 2019-09-22 10:58:15 -07:00
scripts Modules updates for v5.4 2019-09-22 10:34:46 -07:00
security Merge tag 'safesetid-bugfix-5.4' of git://github.com/micah-morton/linux 2019-09-23 11:39:56 -07:00
sound Main MIPS changes for v5.4: 2019-09-22 09:30:30 -07:00
tools f2fs-for-5.4-rc1 2019-09-21 14:26:33 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Modules updates for v5.4 2019-09-22 10:34:46 -07:00
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid 2019-09-23 12:18:13 -07:00
Makefile Modules updates for v5.4 2019-09-22 10:34:46 -07:00
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.

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.