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KGDB, much like the resume process, needs to be able to mark all keys that
were pressed at the time we dropped into the debuggers as "released", since
it is unlikely that the keys stay pressed for the entire duration of the
debug session.
Also we need to make sure that input_reset_device() and input_dev_suspend()
only attempt to change state of currenlt opened devices since closed devices
may not be ready to accept IO requests.
Tested-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (75 commits)
Input: wacom - specify Cinitq supported tools
Input: ab8500-ponkey - fix IRQ freeing in error path
Input: adp5588-keys - use more obvious i2c_device_id name string
Input: ad7877 - switch to using threaded IRQ
Input: ad7877 - use attribute group to control visibility of attributes
Input: serio - add support for PS2Mult multiplexer protocol
Input: wacom - properly enable runtime PM
Input: ad7877 - filter events where pressure is beyond the maximum
Input: ad7877 - implement EV_KEY:BTN_TOUCH reporting
Input: ad7877 - implement specified chip select behavior
Input: hp680_ts_input - use cancel_delayed_work_sync()
Input: mousedev - correct lockdep annotation
Input: ads7846 - switch to using threaded IRQ
Input: serio - support multiple child devices per single parent
Input: synaptics - simplify pass-through port handling
Input: add ROHM BU21013 touch panel controller support
Input: omap4-keypad - wake-up on events & long presses
Input: omap4-keypad - fix interrupt line configuration
Input: omap4-keypad - SYSCONFIG register configuration
Input: omap4-keypad - use platform device helpers
...
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Several devices use a high number of bits for scancodes. One important
group is the Remote Controllers. Some new protocols like RC-6 define a
scancode space of 64 bits.
The current EVIO[CS]GKEYCODE ioctls allow replace the scancode/keycode
translation tables, but it is limited to up to 32 bits for scancode.
Also, if userspace wants to clean the existing table, replacing it by
a new one, it needs to run a loop calling the ioctls over the entire
sparse scancode space.
To solve those problems, this patch extends the ioctls to allow drivers
handle scancodes up to 32 bytes long (the length could be extended in
the future should such need arise) and allow userspace to query and set
scancode to keycode mappings not only by scancode but also by index.
Compatibility code were also added to handle the old format of
EVIO[CS]GKEYCODE ioctls.
Folded fixes by:
- Dan Carpenter: locking fixes for the original implementation
- Jarod Wilson: fix crash when setting keycode and wiring up get/set
handlers in original implementation.
- Dmitry Torokhov: rework to consolidate old and new scancode handling,
provide options to act either by index or scancode.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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As all callers are now changed to only use the input_abs_*() access
helpers, switching over to dynamically allocated ABS information is
easy. This reduces size of struct input_dev from 3152 to 1640 on
64 bit architectures.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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In preparation for dynamically allocated ABS axis, introduce a number of
static inline access helpers. This should make the transition less
painful.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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With the rapidly increasing number of intelligent multi-contact and
multi-user devices, the need to send digested, filtered information
from a set of different sources within the same device is imminent.
This patch adds the concept of slots to the MT protocol. The slots
enumerate a set of identified sources, such that all MT events
can be passed independently and selectively per identified source.
The protocol works like this: Instead of sending a SYN_MT_REPORT
event immediately after the contact data, one sends an ABS_MT_SLOT
event immediately before the contact data. The input core will only
emit events for slots with modified MT events. It is assumed that
the same slot is used for the duration of an initiated contact.
Acked-by: Ping Cheng <pingc@wacom.com>
Acked-by: Chase Douglas <chase.douglas@canonical.com>
Acked-by: Rafi Rubin <rafi@seas.upenn.edu>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Some devices, in particular MT devices, produce a lot of data. This
may lead to overflowing of the event queues in evdev driver, which
by default are fairly small. Let the drivers hint the average number
of events per packet generated by the device, and use that information
when computing the buffer size evdev should use for the device.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Acked-by: Chase Douglas <chase.douglas@canonical.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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AD7142 and AD7147 are integrated capacitance-to-digital converters
(CDCs) with on-chip environmental calibration for use in systems
requiring a novel user input method. The AD7142 and AD7147 can interface
to external capacitance sensors implementing functions such as buttons,
scrollwheels, sliders, touchpads and so on.
The chips don't restrict the specific usage. Depending on the hardware
connection, one special target board can include one or several these
components. The platform_data for the device's "struct device" holds
these information. The data-struct defined in head file descript the
hardware feature of button/scrollwheel/slider/touchpad components on
target boards, which need be filled in the arch/mach-/.
As the result, the driver is independent of boards. It gets the
components layout from the platform_data, registers related devices,
fullfills the algorithms and state machines for these components and
report related input events to up level.
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Barry Song <21cnbao@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The HID layer has some scan codes of the form 0xffbc0000 for logitech
devices which do not work if scancode is typed as signed int, so we need
to switch to unsigned it instead. While at it keycode being signed does
not make much sense either.
Acked-by: Márton Németh <nm127@freemail.hu>
Acked-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (62 commits)
Input: atkbd - release previously reserved keycodes 248 - 254
Input: add KEY_WPS_BUTTON definition
Input: ads7846 - add regulator support
Input: winbond-cir - fix suspend/resume
Input: gamecon - use pr_err() and friends
Input: gamecon - constify some of the setup structures
Input: gamecon - simplify pad type handling
Input: gamecon - simplify coordinate calculation for PSX
Input: gamecon - fix some formatting issues
Input: gamecon - add rumble support for N64 pads
Input: wacom - add device type to device name string
Input: s3c24xx_ts - report touch only when stylus is down
Input: s3c24xx_ts - re-enable IRQ on resume
Input: wacom - constify product features data
Input: wacom - use per-device instance of wacom_features
Input: sh_keysc - enable building on SH-Mobile ARM
Input: wacom - get features from driver info
Input: rotary-encoder - set gpio direction for each requested gpio
Input: sh_keysc - update the driver with mode 6
Input: sh_keysc - switch to using bitmaps
...
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Keycodes in 248 - 254 range were reserved for special needs (scrolling)
of atkbd driver. Now that the driver has been switched to use unsigned
short keycodes instead of unsigned char we can release this range back
into pull. We keep code 255 (ATKBD_KEY_NULL) reserved since users may
have been using it to silence keys they do not care about since atkbd
silently drops scancodes mapped to this keycode.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The new key definition is supposed to be used for buttons that initiate
WiFi Protected setup sequence:
http://en.wikipedia.org/wiki/Wi-Fi_Protected_Setup
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (41 commits)
HID: usbhid: initialize interface pointers early enough
HID: extend mask for BUTTON usage page
HID: hid-ntrig: Single touch mode tap
HID: hid-ntrig: multitouch cleanup and fix
HID: n-trig: remove unnecessary tool switching
HID: hid-ntrig add multi input quirk and clean up
HID: usbhid: introduce timeout for stuck ctrl/out URBs
HID: magicmouse: coding style and probe failure fixes
HID: remove MODULE_VERSION from new drivers
HID: fix up Kconfig entry for MagicMouse
HID: add a device driver for the Apple Magic Mouse.
HID: Export hid_register_report
HID: Support for MosArt multitouch panel
HID: add pressure support for the Stantum multitouch panel
HID: fixed bug in single-touch emulation on the stantum panel
HID: fix typo in error message
HID: add mapping for "AL Network Chat" usage
HID: use multi input quirk for TouchPack touchscreen
HID: make full-fledged hid-bus drivers properly selectable
HID: make Wacom modesetting failures non-fatal
...
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Most laptops have keys that are intended to toggle all device state, not
just wifi. These are currently generally mapped to KEY_WLAN. As a result,
rfkill will only kill or enable wifi in response to the key press. This
confuses users and can make it difficult for them to enable bluetooth
and wwan devices.
This patch adds a new keycode, KEY_RFKILL. It indicates that the system
should toggle the state of all rfkillable devices.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Get rid of blacklist in input handler structure and instead allow
handlers to define their own match() method to perform fine-grained
filtering of supported devices.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Conflicts:
drivers/hid/hid-ids.h
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Sometimes it is desirable to suppress certain events from reaching
input handlers and thus user space. One such example is Mac mouse
button emulation code which catches certain key presses and converts
them into button clicks as if they were emitted by a virtual mouse.
The original key press events should be completely suppressed,
otherwise user space will be confused, and while keyboard driver
does it on its own evdev is blissfully unaware of this arrangement.
This patch adds notion of 'filter' to the standard input handlers,
which may flag event as filtered thus preventing it from reaching
other input handlers. Filters don't (nor will they ever) have a
notion of priority relative to each other, input core will run all
of them first and any one of them may mark event as filtered.
This patch is inspired by similar patch by Matthew Garret but the
implementation and intended usage are quite different.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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For pressure-based multi-touch devices, a direct way to send sensor
intensity data per finger is needed. This patch adds the ABS_MT_PRESSURE
event to the MT protocol.
Requested-by: Yoonyoung Shim <jy0922.shim@samsung.com>
Requested-by: Mika Kuoppala <mika.kuoppala@nokia.com>
Requested-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Current HID code doesn't properly handle HID joysticks which have
larger number of buttons than what fits into current range reserved
for BTN_JOYSTICK.
One such joystick reported to not work properly is Saitek X52 Pro
Flight System.
We can't extend the range to fit more buttons in, because of backwards
compatibility reasons.
Therefore this patch introduces a new BTN_TRIGGER_HAPPY range, and
uses these to map the buttons which are over BTN_JOYSTICK limit.
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> [for the input.h part]
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Keyboard handler should not attempt to traverse handler->h_list on
its own, without any locking, otherwise it races with registering
and unregistering of input handles which leads to crashes.
Introduce input_handler_for_each_handle() helper that allows safely
iterate over all handles attached to a particular handler and switch
keyboard handler to use it.
Reported-by: Jim Paradis <jparadis@redhat.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Make sure that polled input device and matrix keypad APIs are included
with the rest of input API when generating kernel documentation. Also
description of absres was missing as well.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Now that input core acquires dev->event_lock spinlock and disables
interrupts when propagating input events, using spin_lock_bh() in
ff-memless driver is not allowed. Actually, the timer_lock itself
is not needed anymore, we should simply use dev->event_lock
as well.
Also do a small cleanup in force-feedback core.
Reported-by: kerneloops.org
Reported-by: http://www.kerneloops.org/searchweek.php?search=ml_ff_set_gain
Reported-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Add new codes for camera focus key, and camera lens cover, keypad slide,
front proximity switches.
Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The custom_data pointer in ff_periodict_effect structure is a
userspace pointer and should be marked as such.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Automatically turn off leds and sound effects as part of suspend
process and restore led state, sounds and repeat rate at resume.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Synaptics uses anisotropic coordinate system. On some wide touchpads
vertical resolution can be twice as high as horizontal which causes
unequal sensitivity on x/y directions. Add support for reading the
resolution with EVIOCGABS ioctl.
Signed-off-by: Tero Saarni <tero.saarni@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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There are a few multi-touch devices that support finger tracking
well in hardware, Stantum being the prime example. By exposing the
tracking ID in the MT protocol, evdev bandwidth and cpu usage in
user space can be reduced.
This patch adds the ABS_MT_TRACKING_ID to the MT protocol.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Tested-by: Stéphane Chatty <chatty@enac.fr>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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In order to utilize the full power of the new multi-touch devices, a
way to report detailed finger data to user space is needed. This patch
adds a multi-touch (MT) protocol which allows drivers to report details
for an arbitrary number of fingers.
The driver sends a SYN_MT_REPORT event via the input_mt_sync() function
when a complete finger has been reported.
In order to stay compatible with existing applications, the data
reported in a finger packet must not be recognized as single-touch
events. In addition, all finger data must bypass input filtering,
since subsequent events of the same type refer to different fingers.
A set of ABS_MT events with the desired properties are defined. The
events are divided into categories, to allow for partial implementation.
The minimum set consists of ABS_MT_TOUCH_MAJOR, ABS_MT_POSITION_X and
ABS_MT_POSITION_Y, which allows for multiple fingers to be tracked.
If the device supports it, the ABS_MT_WIDTH_MAJOR may be used to provide
the size of the approaching finger. Anisotropy and direction may be
specified with ABS_MT_TOUCH_MINOR, ABS_MT_WIDTH_MINOR and
ABS_MT_ORIENTATION. Devices with more granular information may specify
general shapes as blobs, i.e., as a sequence of rectangular shapes
grouped together by a ABS_MT_BLOB_ID. Finally, the ABS_MT_TOOL_TYPE
may be used to specify whether the touching tool is a finger or a pen.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The integrated button on the new unibody Macbooks presents a need to
report explicit four-finger actions. Evidently, the finger pressing
the button is also touching the trackpad, so in order to fully support
three-finger actions, the driver must be able to report four-finger
actions. This patch adds a new button, BTN_TOOL_QUADTAP, which
achieves this.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Impact: fix 15 make headers_check warnings:
include of <linux/types.h> is preferred over <asm/types.h>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add support for reporting new jack types SND_JACK_VIDEOOUT and
SND_JACK_AVOUT (a combination of LINEOUT and VIDEOOUT) to the jack
reporting API.
Also add the corresponding SW_VIDEOOUT_INSERT switch to the input system
header.
Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Some systems support both mechanical and electrical jack detection,
allowing them to report that a jack is physically present but does
not have any functioning connections. Add a new jack type for these,
allowing user space to report faulty connections.
Thanks to Guillem Jover for the suggestion.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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On macbooks there are specific keys for the user-space functions Expose
and Dashboard, which currently has no counterpart in input.h. This patch
adds KEY_SCALE and KEY_DASHBOARD, and maps the keyboard accordingly.
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch introduces support for reporting SW_LINEOUT_INSERT detection events
via the jack abstraction layer.
Also adds a SND_JACK_LINEOUT define to the input system header.
Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The new keys are separate from normal numeric keys and standard
numeric keypads. The userspace should not attempt to apply modifiers
like shift and NumLock to these so tey work properly regardless of
the language mapping used.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Expand the number of potential key codes from 512 to 768 since people
are coming up with more and more keys.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Add a SW_DOCK switch to input.h. ACPI docks currently send their docking
status as a uevent, but not all docks are ACPI or correspond to a device.
In that case, it makes more sense to simply generate an input event on
docking or undocking.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Add a new switch type to the input API for reporting microphone
insertion. This will be used by the ALSA jack reporting API.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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This patch adds the Repeat key to the input layer. The usage
in the HUT is 0xBC (listed under "15.7 Transport Controls").
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Conflicts:
drivers/input/mouse/appletouch.c
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