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When a tablet connect or disconnect is detected, schedule
work queue to register or unregister related input devices.
When a wireless tablet connects, it reports same USB PID
used if tablet is connected with USB cable. Use this to
update features values, set input capabilities, and then
register device. From there, the Pen and Touch interfaces
will reuse the existing tablet's IRQ routines.
Its possible that 1 receiver is shared with 2 tablets with
different PID (small and medium Bamboo for example) so the
input is unregister at disconnect to better support this case.
Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Tested-by: Jason Gerecke <killertofu@gmail.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
The 3rd gen Bamboo Pen & Touch and Intuos5 tablets support an
optional wireless module. When its receiver is plugged into USB,
it presents 3 interfaces: 0) Monitor 1) Pen and 2) Touch.
The exact capabilities of the Pen and Touch interfaces can
not be determined until a tablet connection is established
and reported over the Monitor interface.
This patch detects this wireless receiver and enables interrupt
packets to be processed for the Monitor interface. Processing
the data in packets will be left to another patch.
Since it doesn't make sense to create an input device for the
Monitor interface, it is not created. Creation of Pen and Touch
input device is also delayed until monitor packets can be processed.
Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Tested-by: Jason Gerecke <killertofu@gmail.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Although this better co-locates input registration logic,
the main goal is to make it easier to optionally create
input devices or delay creation to later time periods.
Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Tested-by: Jason Gerecke <killertofu@gmail.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Improve code readability by converting yet another magic number into a
pre-defined constant.
Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
- Hooking multi-finger coordinates output with kernel multitouch library;
- Enabling absolute coordinates output for Cx+ hardware. The older hardware
performs much better in relative mode; thus relative mode related code
are preserved.
Part of the code is based on the work done by Oskari Saarenmaa <os@ohmu.fi>,
which was used to support the clickpad found on ASUS UX21/31 Ultrabook.
On the other hand, the FSP found on UX21/31 doesn't have hardware capability
register other than PnP ID, which means that we'll have to figure out an
alternative approach to identify such pad correctly; otherwise, blindly
adding INPUT_PROP_BUTTONPAD property may compatability issues amongst
existing FSPs.
Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
- Move event bits setup code into a separate function,
fsp_set_input_params(), so that we can perform hardware-specific settings
in the future;
- Take hardware version information into account when activating
protocol;
- Remove button information from boot message as it's somewhat confusing
and is only for internal processing. While there, also move button
retrieval code to be a part of protocol activation process.
Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Some of buttons, like power-on key or onkey, may only generate interrupts
when pressed and not actually be mapped as gpio in the system. Allow
setting gpio to invalid value and specify IRQ instead to support such
keys. The debounce timer is used not to debounce but to ignore new IRQs
coming while button is kept pressed.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
request_any_context_irq() should handle the case when using GPIO expanders
that themselves use threaded IRQs, and so the premise of change
7e2ecdf438 is incorrect.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
The driver supports chipsets ILI2102, ILI2102s, ILI2103, ILI2103s and
ILI2105. Such kind of controllers can be found in Amazon Kindle Fire
devices.
Reviewed-by: Jan Paesmans <jan.paesmans@gmail.com>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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 <dtor@mail.ru>
This patch converts the drivers in drivers/input/* to use the
module_i2c_driver() macro which makes the code smaller and a bit
simpler.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This patch converts the drivers in drivers/input/* to use the
module_spi_driver() macro which makes the code smaller and a bit
simpler.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This patch allows us to drop the OMAP dependency from the OMAP4 keypad
driver.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Several fixes based on customer feedback:
* WHO_AM_I value has changed since preliminary parts used for initial
testing;
* Output of le16_to_cpu must be saved to memory before shifting to
preserve sign;
* Initial data rate was not extracted from data control register init.
This was causing the initial data rate to be set to maximum until
it was changed. To fix this problem, it made more sense to specify
initial data rate and extract the register mask from that.
Signed-off-by: Chris Hudson <chudson@kionix.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
The MAX8997-haptic function can be used to control motor. User can
control the haptic driver by using force feedback framework.
Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This is an incremental patch updating to the revised bindings for
matrix keyboards.
This includes an optional "linux,fn-keymap" binding that is not yet
implemented, that will be used to specify the Fn-key modifier layout
if needed.
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This adds a simple device tree binding for simple key matrix data and
a helper to fill in the platform data.
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Change 0 to NULL in the last argument of request_irq, since the argument
should have pointer type and so that the last argument of request_irq
syntactically matches the second argument of the later call to free_irq.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Input device must be allocated (but not necessarily registered) before
requesting IRQs, otherwise there is a chance that IRQ handler fires and
tries to reference not yet allocated input device.
Also it makes sense to store relative IRQ numbers in max8925_onkey_info
structure as they are needed in suspend/resume which we expect to be
called more often than probe and remove.
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Implement suspend and resume methods to set up devices as wakeup source.
Signed-off-by: Kevin Liu <kliu5@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This fixes reference-before-check problem; there is no reason to check
if caller passed NULL dev or bus_ops as it is done only by bus-specific
drivers which already do the right thing.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
The Data Modul TP 72037 EasyTouch controller is derived from EGALAX
controller and is capable of detecting dual contacts. Packets can be 5
bytes or 10 bytes long, depending whether one or two contacts are
detected. Format is same as EGALAX touch controller, but with x and y
coordinates inverted.
Signed-off-by: Armando Visconti <armando.visconti@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This patch adds support for TI's touchscreen
controller for a 4/5/8 wire resistive panel
that is directly fed to the ADC.
This touchscreen controller will be part of
AM335x TI SoC. The TRM can be found at:
http://www.ti.com/lit/ug/spruh73a/spruh73a.pdf
Signed-off-by: Patil, Rachna <rachna@ti.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Thaw and poweroff routines are missing for spear-keyboard. They are
required for:
- Error case scenarios during freeze
- Using test features, of hibernate.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Let platform pass mode information to keyboard driver according to which
it configures itself. The mode can be
- KEYPAD_9x9 0
- KEYPAD_6x6 1
- KEYPAD_2x2 2
Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Make use of psmouse_activate() and psmouse_deactivate() from psmouse-base.c
Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Other drivers duplicate this code; no sense in having it be private
to psmouse-base.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
To simplify detection as a touchpad, inform userspace of the physical
properties of the device.
Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
[rydberg@euromail.se: conflict resolution]
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
This patch adds the ability to extract MT slot data via a new ioctl,
EVIOCGMTSLOTS. The function returns an array of slot values for the
specified ABS_MT event type.
Example of user space usage:
struct { unsigned code; int values[64]; } req;
req.code = ABS_MT_POSITION_X;
if (ioctl(fd, EVIOCGMTSLOTS(sizeof(req)), &req) < 0)
return -1;
for (i = 0; i < 64; i++)
printf("slot %d: %d\n", i, req.values[i]);
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Allow marking some of GPIO pins as ignored to to avoid continuously
generating KBC input events.
Signed-off-by: Shridhar Rasal <srasal@nvidia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This patch adds a driver for Synaptics USB touchpad or pointing stick
devices. These USB devices emulate an USB mouse by default, so one can
also use the usbhid driver. However, in combination with special user
space drivers this kernel driver allows one to customize the behaviour
of the device.
An extended version of this driver with support for the cPad background
display can be found at
<http://jan-steinhoff.de/linux/synaptics-usb.html>.
Signed-off-by: Jan Steinhoff <mail@jan-steinhoff.de>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
As noted by Arve and others, since wall time can jump backwards, it is
difficult to use for input because one cannot determine if one event
occurred before another or for how long a key was pressed.
However, the timestamp field is part of the kernel ABI, and cannot be
changed without possibly breaking existing users.
This patch adds a new IOCTL that allows a clockid to be set in the
evdev_client struct that will specify which time base to use for event
timestamps (ie: CLOCK_MONOTONIC instead of CLOCK_REALTIME).
For now we only support CLOCK_MONOTONIC and CLOCK_REALTIME, but
in the future we could support other clockids if appropriate.
The default remains CLOCK_REALTIME, so we don't change the ABI.
Signed-off-by: John Stultz <john.stultz@linaro.org>
Reviewed-by: Daniel Kurtz <djkurtz@google.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
From 2d5a38a56453421e82428155f4b00303f3fb19b2 Mon Sep 17 00:00:00 2001
From: Igor Murzov <e-mail@date.by>
Date: Wed, 1 Feb 2012 03:11:53 +0400
Subject: [PATCH] Input: i8042 - add Lenovo Ideapad U455 to 'reset' blacklist
Lenovo Ideapad U455 needs to be in the reset quirk list for its
touchpad's proper function.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=40672
Signed-off-by: Igor Murzov <e-mail@date.by>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
The current MT accessor function does not distinguish between the MT
values and the slot specification event. Add an accessor function for
the values only, and use it where appropriate.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
serio_raw_read now returns (sometimes partially) successful number of
bytes transferred to the caller, and only returns error code to the
caller on completely failed transfers.
Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Commit 509f87c5f5 (evdev - do not block waiting for an event if fd
is nonblock) created a code path were it was possible to use retval
uninitialized.
This could lead to the xorg evdev input driver getting corrupt data
and refusing to work with log messages like
AUO-Pixcir touchscreen: Read error: Success
sg060_keys: Read error: Success
AUO-Pixcir touchscreen: Read error: Success
sg060_keys: Read error: Success
(for drivers auo-pixcir-ts and gpio-keys).
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Dima Zavin <dima@android.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Cypress TrueTouch(tm) Standard Product controllers are found in
a wide range of embedded devices. This driver add support for a
variety of TTSP controllers.
Since the hardware is capable of tracking identifiable contacts, multi-touch
protocol type B (stateful) is used to report contact information.
The driver is composed of a core driver that process the data sent by
the contacts and a set of bus specific interface modules. This patch
adds the base core TTSP driver.
Signed-off-by: Javier Martinez Canillas <javier@dowhile0.org>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
And add two new data formats.
Tested-by: Chris Bagwell <chris@cnpbagwell.com>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
