| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer updates from Dmitry Torokhov:
"2nd round of updates for the input subsystem. With it input core no
longer limits number of character devices per event handler (such as
evdev) to 32, but switches to dynamic minors once legacy range is
exhausted. This should get multi-seat installations that currently
run our of event devices very quickly.
You will also get an update for Wacom driver and a couple of driver
fixes."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: extend the number of event (and other) devices
Input: mousedev - mark mousedev interfaces as non-seekable
Input: mousedev - rename mixdev_open to opened_by_mixdev
Input: mousedev - reformat structure initializers
Input: mousedev - factor out psaux code to reduce #ifdefery
Input: samsung-keypad - add clk_prepare and clk_unprepare
Input: atmel_mxt_ts - simplify mxt_dump_message
Input: wacom - clean up wacom_query_tablet_data
Input: wacom - introduce wacom_fix_phy_from_hid
Input: wacom - allow any multi-input Intuos device to set prox
Input: wacom - report correct touch contact size for I5/Bamboo
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Prepare second set of updates for 3.7 merge window (Wacom driver update
and patches extending number of input minors).
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Extend the amount of character devices, such as eventX, mouseX and jsX,
from a hard limit of 32 per input handler to about 1024 shared across
all handlers.
To be compatible with legacy installations input handlers will start
creating char devices with minors in their legacy range, however once
legacy range is exhausted they will start allocating minors from the
dynamic range 256-1024.
Reviewed-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Seeking does not make sense for mousedev, so let's use nonseekable_open()
to mark its devices as non-seekable.
Reviewed-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Do the rename to make the logic more clear and also change it to bool
while at it.
Reviewed-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Reformat structure initializers to match the rest of input handlers
Reviewed-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Reviewed-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add calls to clk_prepare and clk_unprepare as required by commom clock
framework.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Use %*ph format specifier to print small buffer.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Rewrites this function to be easier to read and understand. The new
function 'wacom_set_device_mode' now handles the grunt work of
assembling the proper feature report, sending it to the device,
and ensuring the setting "sticks".
Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Tested-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The Cintiq 24HD touch cannot use wacom_set_phy_from_res to determine
the physical size of the touch sensor since the pen and touch are
on separate USB devices. The physical size is, however, provided in
the HID descriptor, just scaled to a unit we don't use.
This patch introduces the function wacom_fix_phy_from_hid to let
us make use of the unit and exponent data provided by HID to set
the [xy]_phy variables to an appropriate value. This function
relies on a trimmed-down version of hidinput_calc_abs_res from
the hid-input.c.
Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Tested-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The ability to set the proximity flag should apply to any device
that has both pen and touch input. Rather than listing classes of
devices known to meet this criteria, simply filter on the quirk
defining all such devices.
Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Tested-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This changes how the touch packets for Intuos5 and 3rd-gen Bamboo
are interpreted, so that proper values for the MAJOR and MINOR
axes are reported. Instead of using the amplitude field (data[6]),
we use the size field (data[5]) and do some calculation to
transform it from a scaled-down area into axis lengths.
Note that even though we assume a circular contact, both MAJOR and
MINOR are reported since the resolution of the X and Y axes differ.
Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge Henrik's updates to multitouch code. Even though Jiri already
pulled them in I need to do it too since my changes to evdev using
dynamic major would clash with them.
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pul ACPI & Power Management updates from Len Brown:
- acpidump utility added
- intel_idle driver now supports IVB Xeon
- turbostat utility can now count SMIs
- ACPI can now bind to USB3 hubs
- misc fixes
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (49 commits)
ACPI: Add new sysfs interface to export device description
ACPI: Harden acpi_table_parse_entries() against BIOS bug
tools/power/turbostat: add option to count SMIs, re-name some options
tools/power turbostat: add [-d MSR#][-D MSR#] options to print counter deltas
intel_idle: enable IVB Xeon support
tools/power turbostat: add [-m MSR#] option
tools/power turbostat: make -M output pretty
tools/power turbostat: print more turbo-limit information
tools/power turbostat: delete unused line
tools/power turbostat: run on IVB Xeon
tools/power/acpi/acpidump: create acpidump(8), local make install targets
tools/power/acpi/acpidump: version 20101221 - find dynamic tables in sysfs
ACPI: run _OSC after ACPI_FULL_INITIALIZATION
tools/power/acpi/acpidump: create acpidump(8), local make install targets
tools/power/acpi/acpidump: version 20101221 - find dynamic tables in sysfs
tools/power/acpi/acpidump: version 20071116
tools/power/acpi/acpidump: version 20070714
tools/power/acpi/acpidump: version 20060606
tools/power/acpi/acpidump: version 20051111
xo15-ebook: convert to module_acpi_driver()
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'module_acpi_driver-simplify', 'turbostat' and 'usb3' into release
add acpidump utility
intel_idle driver now supports IVB Xeon
turbostat can now count SMIs
ACPI can now bind to USB3 hubs
misc fixes
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Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull MFD changes from Samuel Ortiz:
"MFD bits for the 3.7 merge window.
As usual we have a few new drivers:
- TI LP8788
- TI OMAP USB TLL
- Maxim MAX8907
- SMSC ECE1099
- Dialog Semiconductor DA9055
- A simpler syscon driver that allow us to get rid of the anatop one.
Drivers are also gradually getting Device Tree and IRQ domain support.
The following drivers got DT support:
- palmas, 88pm860x, tc3589x and twl4030-audio
And those ones now use the IRQ domain APIs:
- 88pm860x, tc3589x, db8500_prcmu
Also some other interesting changes:
- Intel's ICH LPC now supports Lynx Point
- TI's twl4030-audio added a GPO child
- tps6527 enabled its backlight subdevice
- The twl6030 pwm driver moved to the new PWM subsystem
And finally a bunch of cleanup and casual fixes for mc13xxx, 88pm860x,
palmas, ab8500, wm8994, wm5110, max8907 and the tps65xxx family."
Fix up various annoying conflicts: the DT and IRQ domain support came in
twice and was already in 3.6. And then it was apparently rebased.
Guys, DON'T REBASE!
* tag 'mfd-3.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (89 commits)
ARM: dts: Enable 88pm860x pmic
mfd: 88pm860x: Move gpadc init into touch
mfd: 88pm860x: Device tree support
mfd: 88pm860x: Use irqdomain
mfd: smsc: Add support for smsc gpio io/keypad driver
backlight: tps65217_bl: Add missing platform_set_drvdata in tps65217_bl_probe
mfd: DA9055 core driver
mfd: tps65910: Add alarm interrupt of TPS65910 RTC to mfd device list
mfd: wm5110: Add register patches for revision B
mfd: wm5110: Disable control interface error report for WM5110 rev B
mfd: max8907: Remove regulator-compatible from DT docs
backlight: Add TPS65217 WLED driver
mfd: Add backlight as subdevice to the tps65217
mfd: Provide the PRCMU with its own IRQ domain
mfd: Fix max8907 sparse warning
mfd: Add lp8788 mfd driver
mfd: dbx500: Provide a more accurate smp_twd clock
mfd: rc5t583: Fix warning messages
regulator: palmas: Add DT support
mfd: palmas: Change regulator defns to better suite DT
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The initilization of GPADC is moved from core driver to touch driver
with DT support.
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Add support when the kernel has been booted with DT blob. In this case the
pdata is NULL, we need to reach up to the core node and check if the codec
part has been enabled to determine if we need to coexist with the codec or
not.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"A few drivers were updated with device tree bindings and others got a
few small cleanups and fixes."
Fix trivial conflict in drivers/input/keyboard/omap-keypad.c due to
changes clashing with a whitespace cleanup.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (28 commits)
Input: wacom - mark Intuos5 pad as in-prox when touching buttons
Input: synaptics - adjust threshold for treating position values as negative
Input: hgpk - use %*ph to dump small buffer
Input: gpio_keys_polled - fix dt pdata->nbuttons
Input: Add KD[GS]KBDIACRUC ioctls to the compatible list
Input: omap-keypad - fixed formatting
Input: tegra - move platform data header
Input: wacom - add support for EMR on Cintiq 24HD touch
Input: s3c2410_ts - make s3c_ts_pmops const
Input: samsung-keypad - use of_get_child_count() helper
Input: samsung-keypad - use of_match_ptr()
Input: uinput - fix formatting
Input: uinput - specify exact bit sizes on userspace APIs
Input: uinput - mark failed submission requests as free
Input: uinput - fix race that can block nonblocking read
Input: uinput - return -EINVAL when read buffer size is too small
Input: uinput - take event lock when fetching events from buffer
Input: get rid of MATCH_BIT() macro
Input: rotary-encoder - add DT bindings
Input: rotary-encoder - constify platform data pointers
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Prepare first set of updates for 3.7 merge window.
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Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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pdata->nbuttons should be updated by the dt code.
Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Fixed spacing error on if statements and fixed tab error.
Signed-off-by: Josh <joshua.taylor0@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Linux 3.6-rc4
# gpg: Signature made Sat 01 Sep 2012 10:40:33 AM PDT using RSA key ID 00411886
# gpg: Good signature from "Linus Torvalds <torvalds@linux-foundation.org>"
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Move the Tegra KBC platform data header out of arch/arm/mach-tegra, as
a pre-requisite of single zImage.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Adds support for the EMR digitizer on the Cintiq 24HD touch. The
EMR digitizer should work identically to that found on the Cintiq
24HD. The touch digitizer is a separate USB device similar to how
we split apart some other devices.
Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fixes the following warning:
WARNING: struct dev_pm_ops should normally be const
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Use of_get_child_count() instead of custom implementation.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Instead of having to define the match table to NULL if CONFIG_OF isn't
set, use the of_match_ptr() macro which will do this for us.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Reformat the code to keep it within 80 columns.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Switch to using __u32/__s32 instead of ordinary 'int' in structures
forming userspace API.
Also internally make request_id unsigned int.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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If uinput_request_submit() fails after new request ID was allocated
we need to mark that request ID as free, otherwise it will always
stay occupied and we may run out of available IDs.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Consider two threads calling read() on the same uinput-fd, both
non-blocking. Assume there is data-available so both will simultaneously
pass:
udev->head == udev->tail
Then the first thread goes to sleep and the second one pops the message
from the queue. Now assume udev->head == udev->tail. If the first thread
wakes up it will call wait_event_*() and sleep in the waitq. This
effectively turns the non-blocking FD into a blocking one.
We fix this by attempting to fetch events from the queue first and only
if we fail to retrieve any events we either return -EAGAIN (in case of
non-blocing read) or wait until there are more events.
This also fixes incorrect return code (we were returning 0 instead of
-EAGAIN for non-blocking reads) when an event is "stolen" by another
thread. Blocking reads will now continue to wait instead of returning 0
in this scenario.
Count of 0 continues to be a special case, as per spec: we will check for
device existence and whether there are events in the queue, but no events
will be actually retrieved.
Reported-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Let's check whether the user-supplied buffer is actually big enough and
return -EINVAL if it is not. This differs from current behavior, which
caused 0 to be returned and actually does not make any sense, as
broken application will simply repeat the read getting into endless
loop.
Note that we treat 0 as a special case, according to the standard:
"Before any action described below is taken, and if nbyte is zero,
the read() function may detect and return errors as described below.
In the absence of errors, or if error detection is not performed,
the read() function shall return zero and have no other results."
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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When fetching events form device's buffer in uinput_read() we need to
take input device's event_lock to avoid racing with new event delivery.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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MATCH_BIT() is ugly and stupid, we have much nicer bitmap_subset() which
does the same and does not hide control flow.
Reported-by: Baodong Chen <chenbdchenbd@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This adds devicetree bindings to the rotary encoder driver and some
documentation about how to use them. Tested on a PXA3xx platform.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Drivers should not be changing platform data attached to the device
because they do not own it.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Use gpio_request_one() instead of separate calls to gpio_request() and
gpio_direction_input() to simplify the code.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Don't call gpio_to_irq() on GPIOs before gpio_request() succeeded on
them. This avoids Ooopses with incorrect DT bindings.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fixes for some coding style issues reported by scripts/checkpatch.pl
utility.
Signed-off-by: Baodong Chen <chenbdchenbd@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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As the power button causes a wake from suspend, we need to register
the event with the pm sustem to avoid racing with suspend.
As the input event is reported in the interrupt handler, as simple
pm_wakeup_event() is sufficient.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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In order to avoid races with suspend, a wakeup event must register as
such by calling pm_wakeup_event() or pm_stay_awake(). This will ensure
that the current suspend cycle aborts.
When the user-space visible event is created in the interrupt handler
(gpio_keys_irq_isr), a simple pm_wakeup_event() with no delay is
sufficient as suspend will synchronise with all interrupt delivery.
When the user-space visible event is created later
(gpio_keys_gpio_isr), we need to bracket the event with
pm_stay_awake() and pm_relax().
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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- fix sizeof in memset;
- clean up dt properties extraction;
- use for_each_chil_of_node macro;
- use of_get_child_count();
- use of_match_ptr macro.
Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
[Fabio Estevam <fabio.estevam@freescale.com>: fix fix NULL pointer
dereference for dt case - pdata->buttons wasn't initialized]
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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If the ExpressKeys on the Intuos5 are touched, they currently result
an out-of-prox packet being sent even if the pad is already out of
prox. This can cause some confusion in the X driver. To restore the
expected semantics, we make being touched a sufficient condition to
signal proximity.
https://bugs.freedesktop.org/show_bug.cgi?id=54250
Reported-by: Timo Aaltonen <tjaalton@ubuntu.com>
Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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