| Commit message (Collapse) | Author | Age | Files | Lines |
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The bit indicating BTN_6 on this device is overshifted
by 2 bits, resulting in the incorrect button being
reported.
Also fix copy-paste mistake in comments.
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Link: https://github.com/linuxwacom/xf86-input-wacom/issues/71
Fixes: c7f0522a1ad1 ("HID: wacom: Slim down wacom_intuos_pad processing")
Cc: <stable@vger.kernel.org> # v4.5+
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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'for-5.3/logitech' and 'for-5.3/wacom' into for-linus
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Add the product ID for the 2nd Generation Intuos Pro
Small to the touchring coordinate adjustment block.
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Add product ID for new MobileStudio Pro.
Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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basis
Bluetooth connections may contain more than one set of touches,
or a partial set of touches, in one report.
Set the number of expected touches when reading a collection
instead of once per report (in the pre-report function).
Accordingly, reset the number of touches expected after each sync.
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Finger data is separated into chunks in our Bluetooth report,
where each report contains the same number of chunks. Those chunks
are not aligned in any particular way to a set of finger touches.
That is, the first half of a group of simultaneous touches may
be in one chunk at the end of a report and the second half could
be at the beginning of the next report.
Also some chunks contain no data and potentially some chunks could
contain leftover (bad) data.
Introduce and process the WACOM_HID_WT_REPORT_VALID usage that the
device uses to let us know if we should process a chunk of data.
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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In the generic code path, HID_DG_CONTACTMAX was previously
only read from the second byte of report 0x23.
Another report (0x82) has the HID_DG_CONTACTMAX in the
higher nibble of the third byte. We should support reading the
value of HID_DG_CONTACTMAX no matter what report we are reading
or which position that value is in.
To do this we submit the feature report as a event report
using hid_report_raw_event(). Our modified finger event path
records the value of HID_DG_CONTACTMAX when it sees that usage.
Fixes: 8ffffd5212846 ("HID: wacom: fix timeout on probe for some wacoms")
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The existing INTUOSP2_BT device class supports LEDs and this device
does not. A new device class enum entry, "INTUOSP2S_BT", is created
to avoid the INTUOSP2_BT LED code.
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This affects the 2nd-gen Intuos Pro Medium and Large
when using their Bluetooth connection.
Fixes: 4922cd26f03c ("HID: wacom: Support 2nd-gen Intuos Pro's Bluetooth classic interface")
Cc: <stable@vger.kernel.org> # v4.11+
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Only sync the pad once per report, not once per collection.
Also avoid syncing the pad on battery reports.
Fixes: f8b6a74719b5 ("HID: wacom: generic: Support multiple tools per report")
Cc: <stable@vger.kernel.org> # v4.17+
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Currently, the driver will attempt to set the mode on all
devices with a center button, but some devices with a center
button lack LEDs, and attempting to set the LEDs on devices
without LEDs results in the kernel error message of the form:
"leds input8::wacom-0.1: Setting an LED's brightness failed (-32)"
This is because the generic codepath erroneously assumes that the
BUTTON_CENTER usage indicates that the device has LEDs, the
previously ignored TOUCH_RING_SETTING usage is a more accurate
indication of the existence of LEDs on the device.
Fixes: 10c55cacb8b2 ("HID: wacom: generic: support LEDs")
Cc: <stable@vger.kernel.org> # v4.11+
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- regression fixes (reverts) for module loading changes that turned out
to be incompatible with some userspace, from Benjamin Tissoires
- regression fix for special Logitech unifiying receiver 0xc52f, from
Hans de Goede
- a few device ID additions to logitech driver, from Hans de Goede
- fix for Bluetooth support on 2nd-gen Wacom Intuos Pro, from Jason
Gerecke
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: logitech-dj: Fix 064d:c52f receiver support
Revert "HID: core: Call request_module before doing device_add"
Revert "HID: core: Do not call request_module() in async context"
Revert "HID: Increase maximum report size allowed by hid_field_extract()"
HID: a4tech: fix horizontal scrolling
HID: hyperv: Add a module description line
HID: logitech-hidpp: Add support for the S510 remote control
HID: multitouch: handle faulty Elo touch device
HID: wacom: Sync INTUOSP2_BT touch state after each frame if necessary
HID: wacom: Correct button numbering 2nd-gen Intuos Pro over Bluetooth
HID: wacom: Send BTN_TOUCH in response to INTUOSP2_BT eraser contact
HID: wacom: Don't report anything prior to the tool entering range
HID: wacom: Don't set tool type until we're in range
HID: rmi: Use SET_REPORT request on control endpoint for Acer Switch 3 and 5
HID: logitech-hidpp: add support for the MX5500 keyboard
HID: logitech-dj: add support for the Logitech MX5500's Bluetooth Mini-Receiver
HID: i2c-hid: add iBall Aer3 to descriptor override
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 3029 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Bluetooth interface of the 2nd-gen Intuos Pro batches together four
independent "frames" of finger data into a single report. Each frame
is essentially equivalent to a single USB report, with the up-to-10
fingers worth of information being spread across two frames. At the
moment the driver only calls `input_sync` after processing all four
frames have been processed, which can result in the driver sending
multiple updates for a single slot within the same SYN_REPORT. This
can confuse userspace, so modify the driver to sync more often if
necessary (i.e., after reporting the state of all fingers).
Fixes: 4922cd26f03c ("HID: wacom: Support 2nd-gen Intuos Pro's Bluetooth classic interface")
Cc: <stable@vger.kernel.org> # 4.11+
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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The button numbering of the 2nd-gen Intuos Pro is not consistent between
the USB and Bluetooth interfaces. Over USB, the HID_GENERIC codepath
enumerates the eight ExpressKeys first (BTN_0 - BTN_7) followed by the
center modeswitch button (BTN_8). The Bluetooth codepath, however, has
the center modeswitch button as BTN_0 and the the eight ExpressKeys as
BTN_1 - BTN_8. To ensure userspace button mappings do not change
depending on how the tablet is connected, modify the Bluetooth codepath
to report buttons in the same order as USB.
To ensure the mode switch LED continues to toggle in response to the
mode switch button, the `wacom_is_led_toggled` function also requires
a small update.
Link: https://github.com/linuxwacom/input-wacom/pull/79
Fixes: 4922cd26f03c ("HID: wacom: Support 2nd-gen Intuos Pro's Bluetooth classic interface")
Cc: <stable@vger.kernel.org> # 4.11+
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Aaron Skomra <aaron.skomra@wacom.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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The Bluetooth reports from the 2nd-gen Intuos Pro have separate bits for
indicating if the tip or eraser is in contact with the tablet. At the
moment, only the tip contact bit controls the state of the BTN_TOUCH
event. This prevents the eraser from working as expected. This commit
changes the driver to send BTN_TOUCH whenever either the tip or eraser
contact bit is set.
Fixes: 4922cd26f03c ("HID: wacom: Support 2nd-gen Intuos Pro's Bluetooth classic interface")
Cc: <stable@vger.kernel.org> # 4.11+
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Aaron Skomra <aaron.skomra@wacom.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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If the tool spends some time in prox before entering range, a series of
events (e.g. ABS_DISTANCE, MSC_SERIAL) can be sent before we or userspace
have any clue about the pen whose data is being reported. We need to hold
off on reporting anything until the pen has entered range. Since we still
want to report events that occur "in prox" after the pen has *left* range
we use 'wacom-tool[0]' as the indicator that the pen did at one point
enter range and provide us/userspace with tool type and serial number
information.
Fixes: a48324de6d4d ("HID: wacom: Bluetooth IRQ for Intuos Pro should handle prox/range")
Cc: <stable@vger.kernel.org> # 4.11+
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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The serial number and tool type information that is reported by the tablet
while a pen is merely "in prox" instead of fully "in range" can be stale
and cause us to report incorrect tool information. Serial number, tool
type, and other information is only valid once the pen comes fully in range
so we should be careful to not use this information until that point.
In particular, this issue may cause the driver to incorectly report
BTN_TOOL_RUBBER after switching from the eraser tool back to the pen.
Fixes: a48324de6d4d ("HID: wacom: Bluetooth IRQ for Intuos Pro should handle prox/range")
Cc: <stable@vger.kernel.org> # 4.11+
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Wacom has introduced a new pen compatible with its MobileStudio Pro and
other tablets. Although adding it to the tool ID tablet is not strictly
necessary unrecognized pens are reported as BTN_TOOL_PEN already, unless
the tablet sends the "eraser" bit, when BTN_TOOL_RUBBER is used instead),
we'll keep it updated anyway.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.
This patch fixes the following warning:
drivers/hid/wacom_wac.c: In function ‘wacom_setup_pen_input_capabilities’:
drivers/hid/wacom_wac.c:3506:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
__clear_bit(ABS_MISC, input_dev->absbit);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/wacom_wac.c:3508:2: note: here
case WACOM_MO:
^~~~
Warning level 3 was used: -Wimplicit-fallthrough=3
This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The 'wacom_hid_usage_quirk' function is the intended home for fixing
up descriptors that are buggy or that don't quite fit the mold. Commit
578325120e was supposed to move all of these quirks but it missed the
code to handle fixup the serial number usages for AES pens. Lets move
this code out of 'wacom_wac_pen_usage_mapping' where it was previously
lurking and put it into the same place as the others.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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The DTK-2451 and DTH-2452 have a buggy HID descriptor which incorrectly
contains a Cintiq-like report, complete with pen tilt, rotation, twist, serial
number, etc. The hardware doesn't actually support this data but our driver
duitifully sets up the device as though it does. To ensure userspace has a
correct view of devices without updated firmware, we clean up this incorrect
data in wacom_setup_device_quirks.
We're also careful to clear the WACOM_QUIRK_TOOLSERIAL flag since its presence
causes the driver to wait for serial number information (via
wacom_wac_pen_serial_enforce) that never comes, resulting in
the pen being non-responsive.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Fixes: 8341720642 ("HID: wacom: Queue events with missing type/serial data for later processing")
Cc: stable@vger.kernel.org # v4.16+
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Wacom driver updates:
- touch_max detection improvements
- quirk handling cleanup
- get rid of wacom custom usages
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Detecting the number of supported touches for a particular device used
to be tricky, both because early forms of the driver didn't have a very
good HID parser and because early hardware didn't always advertise the
actual number. At the time, we added a block of code which would ensure
that touch_max would always be equal to at least 1 on any touch device,
and relied on setting touch_max to e.g. 2 only for the multitouch-capable
exceptions.
The common case has since flipped, and the driver and descriptors can
reliably detect the number of touches supported by modern sensors.
Because of this, it makes sense to remove the fixup code and instead
place static declarations of "touch_max = 1" for these old devices. It
isn't entirely clear if all 2-finger devices actually report a maximum
number of touches so we leave these declarations still in place.
For the eagle-eyed, the "> BAMBOO_PT" condition was originally equivalent
to ">= TABLETPC", which is what the intent was. This commit doesn't have
to consider the types introduced in the interim since they shouldn't be
affected, hence why only the tablet PC definitions have been modified.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The touch sensors on the 2nd-gen Intuos tablets don't use a 4096x4096
sensor like other similar tablets (3rd-gen Bamboo, Intuos5, etc.).
The incorrect maximum XY values don't normally affect userspace since
touch input from these devices is typically relative rather than
absolute. It does, however, cause problems when absolute distances
need to be measured, e.g. for gesture recognition. Since the resolution
of the touch sensor on these devices is 10 units / mm (versus 100 for
the pen sensor), the proper maximum values can be calculated by simply
dividing by 10.
Fixes: b5fd2a3e92 ("Input: wacom - add support for three new Intuos devices")
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The 1st-generation Intuos tablets (CTL-X80) include an "in range" flag
like some professional tablets. To ensure the pen remains usable at as
large as distance as possible (and to preemptively disable touch when
it is nearby) we need to ensure that we handle these "in range" events.
Handling of tool type identification has been moved to occur only when
the pen is fully in prox rather than any time the "stylus_in_proximity"
flag changes (which is controlled by the further-out "in range" flag).
Link: https://sourceforge.net/p/linuxwacom/bugs/358/
Link: https://github.com/linuxwacom/xf86-input-wacom/issues/14
Link: https://github.com/linuxwacom/xf86-input-wacom/issues/17
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Tested-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The code path for recent Bluetooth devices omits an exit report which
resets all the values of the device.
Fixes: 4922cd26f0 ("HID: wacom: Support 2nd-gen Intuos Pro's Bluetooth classic interface")
Cc: <stable@vger.kernel.org> # 4.11
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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... and therefore should be static.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Wacom Bluetooth reports contain multiple pen frames per report.
Each frame contains a flag indicating if the frame is valid.
Future Wacom devices with this type of report may contain HID
descriptors, add support for this usage to the generic codepath
of the Wacom driver.
Signed-off-by: Aaron Armstrong Skomra <skomra@gmail.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Some Wacom devices contain contain Pen and Pad usages in
the same report. Future devices of this type may utilize
HID Descriptors.
The generic code path of the Wacom driver previously
assumed pen, touch, and pad reports were delivered in
separate reports. This patch adds support for processing
each collection of a report separately, in order to support
reports with multiple tools.
Signed-off-by: Aaron Armstrong Skomra <skomra@gmail.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Use the code path that predates generic device support.
Signed-off-by: Aaron Armstrong Skomra <skomra@gmail.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Adds support for the second-generation "One by Wacom" tablets. These
devices are similar to the last generation, but a slightly different size
and reporting a higher number of pressure levels.
Signed-off-by: Mx Jing <jingmingxuan@outlook.com>
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Touch toggle softkeys send a '1' while pressed and a '0' while released,
requring the kernel to keep track of wether touch should be enabled or
disabled. The code does not handle the state transitions properly,
however. If the key is pressed repeatedly, the following four states
of states are cycled through (assuming touch starts out enabled):
Press: shared->is_touch_on => 0, SW_MUTE_DEVICE => 1
Release: shared->is_touch_on => 0, SW_MUTE_DEVICE => 1
Press: shared->is_touch_on => 1, SW_MUTE_DEVICE => 0
Release: shared->is_touch_on => 1, SW_MUTE_DEVICE => 1
The hardware always properly enables/disables touch when the key is
pressed but applications that listen for SW_MUTE_DEVICE events to provide
feedback about the state will only ever show touch as being enabled while
the key is held, and only every-other time. This sequence occurs because
the fallthrough WACOM_HID_WD_TOUCHONOFF case is always handled, and it
uses the value of the *local* is_touch_on variable as the value to
report to userspace. The local value is equal to the shared value when
the button is pressed, but equal to zero when the button is released.
Reporting the shared value to userspace fixes this problem, but the
fallthrough case needs to update the shared value in an incompatible
way (which is why the local variable was introduced in the first place).
To work around this, we just handle both cases in a single block of code
and update the shared variable as appropriate.
Fixes: d793ff8187 ("HID: wacom: generic: support touch on/off softkey")
Cc: <stable@vger.kernel.org> # v4.12+
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Aaron Skomra <aaron.skomra@wacom.com>
Tested-by: Aaron Skomra <aaron.skomra@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Userspace expects to receive tool type and serial number information
for the active pen in the very first kernel report, if such data is
supported by the hardware. While this expectation is not an issue for
EMR devices, AES sensors will often send several packets worth of in-
range data before relaying type/serial data to the kernel. Sending this
data "late" can result in proximity-tracking issues by xf86-input-wacom,
or an inability to distinguish different pens by input-wacom.
Options for dealing with this situation include ignoring reports from
the tablet until we get the necessary data, or using the information
from the last-seen pen instead of the (eventual) real data. Neither
option is particularly attractive: the former results in truncated
strokes and the latter causes issues with switching between pens.
This commit instead opts to queue up events with missing information
until we receive a report which contains it. At that point, we can
update the driver's state variables (id[0] and serial[0]) and replay
the queued events.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Current AES sensors relay tool type and serial number information with
a different set of usages than those prescribed by the modern (i.e.
MobileStudio Pro and newer) EMR tablet standard. To ensure the driver
properly understands these usages, we modify them to be compatible.
The identifying information is split across three consecutive fields:
a 16-bit WACOM_HID_WT_SERIALNUMBER (which is more accurately described
as WACOM_HID_WD_TOOLTYPE), a 32-bit HID_DG_TOOLSERIALNUMBER, and an
8-bit 0xFF000000 (which should be WACOM_HID_WD_SERIALHI). While we're
at it, we also define proper min/max values since may may be undefined
on some devices.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The Wacom Pro Pen 3D includes a third barrel switch which is intended to
be particularly useful in applications where one frequency uses pan, zoom,
and rotate to navigate around a scene or model. The pen is compatible with
the MobileStudio Pro, 2nd-gen Intuos Pro, and Cintiq Pro. When the third
button is pressed, these devices set both the HID_DG_BARRELSWITCH and
HID_DG_BARRELSWITCH2 usages since their HID descriptors do not include a
usage specific to the button.
Rather than send both BTN_STYLUS and BTN_STYLUS2 when the third button is
pressed, userspace (libinput) has requested that we detect this condition
and report a newly-defined BTN_STYLUS3 event instead. We could define a
quirk specific to devices compatible with the Pro Pen 3D, but the liklihood
of seeing both barrel switch bits set with other pens/devices is low enough
to not worry about (pens mechanically prevent accidental activation of
multiple switches).
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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range"
This reverts commit 3e70969e44ee52d72053145dab2cbad74109c685.
This commit causes a few problems for userspace. The most noteworthy are
problems related to the distinguishing of different pens and pointer jumps
when entering proximity. Userspace is written with the expectation that a
pen will provide its tool ID and serial number (if available) in the very
first in-prox report. By sending BTN_TOOL_PEN when the tablet starts
communicating rather than waiting until a tool ID/serial number is
available, userspace ends up treating all pens as being the same and
lacking a serial number. Similarly, userspace assumes that the first
report will contain X/Y data, but by marking the pen as being in-prox
without an X/Y coordinate, userspace ends up warping the pen to the last-
known X/Y location. As of commit 5b40104edfb0 ("HID: wacom: generic: Reset
events back to zero when pen leaves") this means warping to (0,0).
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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As a pen leaves, we need to be sure to reset all events back to zero
so that userspace is able to get the complete pen state when it enters
proximity again.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When a pen is first able to to be sensed by the tablet, we would like
to inform userspace that a tool is nearby so that it can attempt to
perform palm rejection. Unfortunately, we don't know any information
about the tool that is nearby, so the best we can do is send a prox
event for a generic BTN_TOOL_PEN. If the pen later comes closer and
enters proximity, we can determine the actual tool type and send
BTN_TOOL_PEN out of prox if necessary.
Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The legacy Intuos codepath and tablet behavior (e.g. the 1st-gen Intuos
Pro, Cintiq 27, etc.) would result in a BTN_TOOL_* event not being cleared
to zero until the tool had completely left the sensing range of the
tablet. Before the final "out of prox" packet would be sent, zero or
more "in range" packets could be sent to indicate that a pen was still
detectable but not within a useful distance. These "in range" packets
were used by the driver to keep touch input disabled at greater pen
distances. In addition to keeping the `stylus_in_proximity` flag set,
the driver would leave the current BTN_TOOL_* marked as being in
proximity as well.
The new HID codepath also sets `stylus_in_proximity` based on the "sense"
flag, but does not leave the current BTN_TOOL_* marked as being in prox.
This information is potentially useful to for a future userspace-based
palm rejection, so this patch modifies the driver to continue sending it.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The terminology used to describe the various degrees of pen proximity
within the wacom_wac_pen_report function does not match that used elsewhere
in the generic codepath. Specifically, the names of the variables "prox"
and "range" were inspired by the non-generic codepaths. To make the generic
codepath internally consistent, replace these terms with "range" and "sense"
respectively.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The tool ID information sent in ABS_MISC is expected to be reset to 0
when a tool leaves proximity. Not doing this can cause problems if a
tool is removed and then re-introduced. Kernel event filtering will
prevent the (identical) ABS_MISC event from being sent when the tool
re-enters proxmity. This can cause userspace to not properly set the
tool ID.
Fixes: f85c9dc678 ("HID: wacom: generic: Support tool ID and additional tool types")
Cc: stable # v4.10 <stable@vger.kernel.org>
Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The latest generation of pro devices (MobileStudio Pro, 2nd-gen Intuos
Pro, Cintiq Pro) send a serial number of '0' whenever the pen is too far
away for reliable communication. Userspace defines that a serial number
of '0' is invalid, so we need to be careful not to actually forward
this value. Additionally, since EMR ISDv4 devices do not support serial
numbers or tool IDs, we'd like to not send these events if they aren't
necessary.
The existing code achieves these goals by adding a check for a non-zero
serial number within the wacom_wac_pen_report function. The MSC_SERIAL
and ABS_MISC events are only sent if the serial number is non-zero. This
code fails, however when the pen for a pro device leaves proximity. When
the pen leaves prox and the tablet sends a serial of 0, wacom_wac_pen_event
dutifully clears the serial number. When wacom_wac_pen_report is called,
it does not send either the MSC_SERIAL of the exiting tool nor an ABS_MISC
event.
This patch prevents the wacom_wac_pen_event function from clearing an
already-set serial number. This ensures that we have the serial number
handy when exiting proximity, but requires us to manually clear it
afterwards to ensure the driver does not send stale data (e.g. when
switching between AES pens that report a serial nubmer of 0 for the
first few fully in-proximity packets).
Fixes: f85c9dc678 ("HID: wacom: generic: Support tool ID and additional tool types")
Cc: stable # v4.10 <stable@vger.kernel.org>
Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The MobileStudio Pro, Cintiq Pro, and 2nd-gen Intuos Pro devices use a
different coordinate system for their touchring and pen twist than prior
devices. Prior devices had zero aligned to the tablet's left and would
increase clockwise. Userspace expects data from the kernel to be in this
old coordinate space, so adjustments are necessary.
While the coordinate system for pen twist is formally defined by the HID
standard, no such definition existed for the touchring at the time these
tablets were introduced. Future tablets are expected to report touchring
data using the same "zero-up clockwise-increasing" coordinate system
defined for twist.
Fixes: 50066a042d ("HID: wacom: generic: Add support for height, tilt, and twist usages")
Fixes: 4922cd26f0 ("HID: wacom: Support 2nd-gen Intuos Pro's Bluetooth classic interface")
Fixes: 60a2218698 ("HID: wacom: generic: add support for touchring")
Cc: stable@vger.kernel.org # 4.10, 4.11
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The wacom driver's IRQ handler for Bluetooth reports from the 2nd-gen
Intuos Pro does not correctly process negative numbers. Values for
tilt and rotation (which can go negative) are instead interpreted as
unsigned and so jump to very large values when the data should be
negative. This commit properly casts the data to ensure we report
negative numbers when necessary.
Fixes: 4922cd2 ("HID: wacom: Support 2nd-gen Intuos Pro's Bluetooth classic interface")
Cc: stable@vger.kernel.org # v4.11
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Cintiq 12 has 10 expresskey buttons. The bit shift for the last
two buttons were off by 5.
Fixes: c7f0522 ("HID: wacom: Slim down wacom_intuos_pad processing")
Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Tested-by: Matthieu Robin <matthieu@macolu.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The WACOM_HID_WD_TOUCHRINGSTATUS usage is a single bit which tells us
whether the touchring is currently in use or not. Because we need to
reset the axis value to 0 when the finger is removed, we call
'wacom_map_usage' to ensure that the required type/code values are
associated with the usage. The 'wacom_map_usage' also sets up the axis
range and resolution, however, which is not desired in this particular
case.
Although xf86-input-wacom doesn't do really do anything with the ring's
range or resolution, the libinput driver (for Wayland environments)
uses these values to provide proper angle indications to userspace.
Fixes: 60a2218698 ("HID: wacom: generic: add support for touchring")
Cc: stable@vger.kernel.org
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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'for-4.13/transport-open-close-consolidation', 'for-4.13/upstream' and 'for-4.13/wacom' into for-linus
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trivial fix to spelling mistake in hid_warn warning message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Generic battery handling code is spread between the pen and pad codepaths
since battery usages may appear in reports for either. This makes it
difficult to concisely see the logic involved. Since battery data is
not treated like other data (i.e., we report it through the power_supply
subsystem rather than through the input subsystem), it makes reasonable
sense to split the functionality out into its own functions.
This commit has the generic battery handling duplicate the same pattern
that is used by the pen, pad, and touch interfaces. A "mapping" function
is provided to set up the battery, an "event" function is provided to
update the battery data, and a "report" function is provided to notify
the power_supply subsystem after all the data has been read. We look at
the usage itself rather than its collection to determine if one of the
battery functions should handle it. Additionally, we unconditionally
call the "report" function since there is no particularly good way to
know if a report contained a battery usage; 'wacom_notify_battery()'
will filter out any duplicate updates, however.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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