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The only part of proc_dir_entry the code outside of fs/proc
really cares about is PDE(inode)->data. Provide a helper
for that; static inline for now, eventually will be moved
to fs/proc, along with the knowledge of struct proc_dir_entry
layout.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Add basic platform data to get the current upstream driver working
with the 224s touchpad and 1664s touchscreen.
We will be using NULL config so we will use the settings from the
devices' NVRAMs.
Signed-off-by: Benson Leung <bleung@chromium.org>
Tested-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull x86 platform driver updates from Matthew Garrett:
"Mostly relatively small updates, along with some hardware enablement
for Sony hardware and a pile of updates to Google's Chromebook driver"
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (49 commits)
ideapad-laptop: Depend on BACKLIGHT_CLASS_DEVICE instead of selecting it
ideapad: depends on backlight subsystem and update comment
Platform: x86: chromeos_laptop - add i915 gmbuses to adapter names
Platform: x86: chromeos_laptop - Add isl light sensor for Pixel
Platform: x86: chromeos_laptop - Add a more general add_i2c_device
Platform: x86: chromeos_laptop - Add Pixel Touchscreen
Platform: x86: chromeos_laptop - Add support for probing devices
Platform: x86: chromeos_laptop - Add Pixel Trackpad
hp-wmi: fix handling of platform device
sony-laptop: leak in error handling sony_nc_lid_resume_setup()
hp-wmi: Add support for SMBus hotkeys
asus-wmi: Fix unused function build warning
acer-wmi: avoid the warning of 'devices' may be used uninitialized
drivers/platform/x86/thinkpad_acpi.c: Handle HKEY event 0x6040
Platform: x86: chromeos_laptop - Add HP Pavilion 14
Platform: x86: chromeos_laptop - Add Taos tsl2583 device
Platform: x86: chromeos_laptop - Add Taos tsl2563 device
Platform: x86: chromeos_laptop - Add Acer C7 trackpad
Platform: x86: chromeos_laptop - Rename setup_lumpy_tp to setup_cyapa_smbus_tp
asus-laptop: always report brightness key events
...
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Selecting BACKLIGHT_CLASS_DEVICE doesn't guarantee that any of its
dependencies are enabled, and these are complicated. Depending isn't ideal
for configuration UI purposes, but is probably more appropriate here.
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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I've got a report of build failure on ideapad-laptop, which shows
drivers/built-in.o: In function `ideapad_acpi_notify':
ideapad-laptop.c:(.text+0x63876a): undefined reference to `backlight_force_update'
drivers/built-in.o: In function `ideapad_acpi_remove':
ideapad-laptop.c:(.devexit.text+0x64a7): undefined reference to `backlight_device_unregister'
drivers/built-in.o: In function `ideapad_acpi_add':
ideapad-laptop.c:(.devinit.text+0x45e28): undefined reference to `backlight_device_register'
To select backlight subsystem can prevent this error from happening.
Also update comment for this driver.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Add the two other i2c buses (vga and panel) from i915.
Chromebook Pixel has input and light sensor devices on these busses.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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The Chromebook Pixel uses an isl29023 ambient light sensor on the PANEL
GMBus.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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This will allow us to assign devices to buses by the type enum.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Instantiate the atmel mxt1664s touchscreen on this system.
The touchscreen may appear at two possible addresses:
0x4a in operational mode.
0x26 in bootloader mode.
Signed-off-by: Yufeng Shen <miletus@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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This will allow support for devices that may appear at more than
one i2c address at boot time. The specific example is the atmel_mxt touch
devices, which may appear at a different address if it comes up
in bootloader mode.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Instantiate the atmel mxt224s trackpad on this system.
The trackpad may appear at two possible addresses:
0x4b in operational mode.
0x25 in bootloader mode.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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The driver will not quite work if someone unbinds the platform device
from the platform driver via sysfs (moreover it will bomb is the driver
built into the kernel as hp_wmi_bios_remove is marked as __exit and will
not be present in the kernel).
To fix it let's use platform_driver_probe() instead of
platform_driver_register(), which disables binding/unbinding via sysfs.
This also allows us to mark hp_wmi_bios_setup as __init and discard it
once module is initialized.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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We need to decrement "i" first because the current "i" was not allocated
succesfully. Also we should go free the way down to zero to avoid a
leak.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Several models of HP laptops using the same DSDT have hotkey buttons
that do not work until the EC is configured to enable them.
Signed-off-by: Kyle Evans <kvans32@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Fix the following build warning
CC [M] drivers/platform/x86/asus-wmi.o
drivers/platform/x86/asus-wmi.c:1356:13: warning: ‘do_nothing’ defined but not used [-Wunused-function]
Signed-off-by: Shuah Khan <shuah.khan@hp.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Fengguang Wu run kernel build test to platform-drivers-x86/linux-next git tree
on x86_64 architecture and found a warning that was introduced by
727651bf738b6b917335025d09323d0962eda114 commit:
drivers/platform/x86/acer-wmi.c: In function âWMID_set_capabilitiesâ:
drivers/platform/x86/acer-wmi.c:1211: warning: âdevicesâ may be used
uninitialized in this function
This patch fixes the above warning message.
Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Handle HKEY event generated on AC power change. The current message
asks users to submit data related to this event which leads to
a lot of confusion and noise on the mailing list.
The following is a list affected models and 'Message-Id'
from ibm-acpi-devel@lists.sourceforge.net of people who saw this
event when either plugging or unplugging the AC adapter or
docking or undocking their laptop.
X120e - CAAAujb5v9dHdbdxDVvhNJoG4UrZC1TgKqeB_zGpAy7q8kZHMEQ@mail.gmail.com
X121e - 20120817143459.GB3462@x1.osrc.amd.com
X220 - Confirmed by Richard Hartmann
X220i - 4F406274.7070807@gmail.com
X220t - 4F489F5B.9040705@cs.tu-berlin.de
X230 - CAKx4u7kqvVH0-gstomsiVYdGC0i6=bGxzaQ8sq9gbg76TGme3w@mail.gmail.com
T420 - 9c848ee30b006737d0534d906bab0cf6@niklaas-baudet.net
T420s - 20120608080824.GS25324@hexapodia.org
W520 - 20121008181050.GF2549@ericlaptop.home.christensenplace.us
Signed-off-by: Richard Hartmann <richih.mailinglist@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Add support for the HP Pavilion 14 Chromebook's trackpad, which is a reuse
of the Samsung Series 5 550 trackpad.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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The Samsung Series 5 Chromebook is equipped with a Taos tsl2583
light sensor. Instatiate it here.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Two legacy Chromebooks, the Cr-48, and the Acer AC700,
are equipped with a Taos tsl2563 light sensor.
This will instantiate the sensor on those laptops.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Add support for the Acer C7's trackpad, which is a reuse
of the Samsung Series 5 550 trackpad.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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The Cypress trackpad on smbus is used on other systems
as well. Lets make the name more generic.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Z series and other recent models have 0x14? for lid and keyboard
backlight.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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The call to handlers 0x124 and 0x135 (rfkill control) seems to take a
bitmask to control various states of the device. For our rfkill we need
a fully on/off. SVZ1311Z9R/X's LTE modem needs more bits up.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=47751
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Cc: stable@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs pile (part one) from Al Viro:
"Assorted stuff - cleaning namei.c up a bit, fixing ->d_name/->d_parent
locking violations, etc.
The most visible changes here are death of FS_REVAL_DOT (replaced with
"has ->d_weak_revalidate()") and a new helper getting from struct file
to inode. Some bits of preparation to xattr method interface changes.
Misc patches by various people sent this cycle *and* ocfs2 fixes from
several cycles ago that should've been upstream right then.
PS: the next vfs pile will be xattr stuff."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (46 commits)
saner proc_get_inode() calling conventions
proc: avoid extra pde_put() in proc_fill_super()
fs: change return values from -EACCES to -EPERM
fs/exec.c: make bprm_mm_init() static
ocfs2/dlm: use GFP_ATOMIC inside a spin_lock
ocfs2: fix possible use-after-free with AIO
ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path
get_empty_filp()/alloc_file() leave both ->f_pos and ->f_version zero
target: writev() on single-element vector is pointless
export kernel_write(), convert open-coded instances
fs: encode_fh: return FILEID_INVALID if invalid fid_type
kill f_vfsmnt
vfs: kill FS_REVAL_DOT by adding a d_weak_revalidate dentry op
nfsd: handle vfs_getattr errors in acl protocol
switch vfs_getattr() to struct path
default SET_PERSONALITY() in linux/elf.h
ceph: prepopulate inodes only when request is aborted
d_hash_and_lookup(): export, switch open-coded instances
9p: switch v9fs_set_create_acl() to inode+fid, do it before d_instantiate()
9p: split dropping the acls from v9fs_set_create_acl()
...
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This adds the chromeos_laptop driver. It supports
the Cypress APA SMBUS touchpad as well as the isl29018 i2c ambient
light sensor on the Samsung Series 5 550 Chromebook.
Signed-off-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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The new B series BIOS has version string 43CN46WW. The driver
requires that 2nd and 3rd characters be 'E' and 'T' respectively,
where as the newer BIOS has 'C' and 'N' respectively. Failing to
load the module causes some of the hotkeys to not work.
Before the patch
================
sudo modprobe thinkpad_acpi
FATAL: Error inserting thinkpad_acpi (/lib/modules/3.5.0-15-generic/kernel/drivers/platform/x86/thinkpad_acpi.ko): No such device
After the patch
===============
[44937.265438] thinkpad_acpi: ThinkPad ACPI Extras v0.24
[44937.265445] thinkpad_acpi: http://ibm-acpi.sf.net/
[44937.265449] thinkpad_acpi: ThinkPad BIOS 43CN46WW, EC unknown
[44937.265453] thinkpad_acpi: Lenovo Lenovo B470e, model HuronRiver Platform
[44937.266479] thinkpad_acpi: detected a 8-level brightness capable ThinkPad
[44937.266557] thinkpad_acpi: Standard ACPI backlight interface available, not loading native one
[44937.267846] thinkpad_acpi: Console audio control enabled, mode: monitor (read only)
[44937.268131] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input17
Signed-off-by: Manoj Iyer <manoj.iyer@canonical.com>
Tested-by: James Ferguson <james.ferguson@canonical.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Add rfkill support for the GPS radio found in HP laptops (HP Elitebook 2170p and the like)
using the Ericsson F5321/H5321 Mobile Broadband Module.
Signed-off-by: Viliam Trepák <trepo@netcomga.sk>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Found another Lenovo ideapad S205 the product name is 1038DPG, it has
a 0x78 EC register exposes the state of wifi hardware switch on the machine.
So, add this patch to support Lenovo ideapad S205-1038DPG wifi hardware
switch in acer-wmi driver.
Evidently the Ideapad S205 is just a model name on the market, but they have
totally different product name in DMI table.
Reference: bko#43007
https://bugzilla.kernel.org/show_bug.cgi?id=43007
Tested-by: Colin <colin.newell@gmail.com>
Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Found another Lenovo ideapad S205 the product name is 10382JG, it has
a 0x78 EC register exposes the state of wifi hardware switch on the machine.
So, add this patch to support Lenovo ideapad S205-10382JG wifi hardware
switch in acer-wmi driver.
Evidently the Ideapad S205 is just a model name on the market, but they have
totally different product name in DMI table.
Reference: bko#43007
https://bugzilla.kernel.org/show_bug.cgi?id=43007
Tested-by: Ivo Anjo <knuckles@gmail.com>
Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Fill up all the video switch keys in the map.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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For machines with AMD graphic chips, it will send out WMI event and ACPI
interrupt at the same time while hitting the hotkey. BIOS will notify the
system the next display output mode throught WMI event code, so that
windows' application can show an OSD to tell the user which mode will be
taken effect. User can hit the display toggle key many times within 2
seconds to choose the mode they want. After 2 seconds, WMI dirver should
send a WMIMethod(SDSP) command to tell the BIOS which mode the user chose.
And then BIOS will raise another ACPI interrupt to tell the system to
really switch the display mode.
In Linux desktop, we don't have this kind of OSD to let users to choose
the mode they want, so we don't need to call WMIMethod(SDSP) to have
another ACPI interrupt. To simplify the problem, we just have to ignore
the WMI event, and let the first ACPI interrupt to send out the key event.
For the need, here comes another quirk to add machines with this kind of
behavior. When the WMI driver receives the display toggle WMI event, and
found the machin is in the list, it will do nothing and let ACPI video
driver to report the key event.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Fill up all the video switch keys in the map.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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0x60 is touchpad enable key, but is misdefined in the keymap.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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0x60 is touchpad enable key, but is misdefined in the keymap.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Maybe this should be shared in another module...
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Add MSI Wind support to msi-wmi driver. MSI Wind has different GUID for
key events, different WMI key scan codes, it does not need filtering
consecutive identical events and it does not support backlight control
via MSIWMI_BIOS_GUID WMI. Tested on MSI Wind U100.
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Introduced quirk_last_pressed variable that would indicate if
last_pressed is used or not. Also converted last_pressed to simple
variable in order to allow keymap to be non-contiguous.
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Introduced function msi_wmi_backlight_setup() that initializes backlight
device. Made driver load and work if only one WMI (only for hotkeys or
only for backlight) is present.
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Use enums for consecutive scancodes, rename key names from MSI_WMI_* to
MSI_KEY_* and use tabs for whitespace in msi_wmi_keymap.
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Use UUID defines in MODULE_ALIAS strings to avoid repeating strings.
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Fix memory leak - don't forget to kfree ACPI object when returning from
msi_wmi_notify() after suppressing key event.
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Acked-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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It seems that existing brightness control works only for old EC models.
On newer ones auto_brightness access always timeouts and lcd_level
always shows 0. So disable brightness control for new EC models. It
works fine with ACPI video driver anyway.
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Add MSI Wind U90/U100 to DMI table and add some missing EC features
support such as basic fan control, turbo and ECO modes and touchpad
state. Tested on MSI Wind U100.
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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This patch introduced a quirk_entry struct, then we merged all quirk
tables to msi_dmi_table. Then we can more easily to set different quirk
attributes for different machine.
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Changed this patch so that it could be applied before MSI Wind U100
support patch. Changed rfkill logic for ec_read_only quirk support.
Removed delays if ec_delay = false.
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Assign initial value to variable in order to prevent gcc warning about
uninitialized variable.
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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