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Fixes the following W=1 kernel build warning(s):
drivers/input/keyboard/nomadik-ske-keypad.c:71: warning: Function parameter or member 'pclk' not described in 'ske_keypad'
drivers/input/keyboard/nomadik-ske-keypad.c:71: warning: Function parameter or member 'ske_keypad_lock' not described in 'ske_keypad'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201104162427.2984742-20-lee.jones@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fixes the following W=1 kernel build warning(s):
drivers/input/misc/drv2667.c:109: warning: Function parameter or member 'input_dev' not described in 'drv2667_data'
drivers/input/misc/drv2667.c:109: warning: Function parameter or member 'client' not described in 'drv2667_data'
drivers/input/misc/drv2667.c:109: warning: Function parameter or member 'regmap' not described in 'drv2667_data'
drivers/input/misc/drv2667.c:109: warning: Function parameter or member 'work' not described in 'drv2667_data'
drivers/input/misc/drv2667.c:109: warning: Function parameter or member 'regulator' not described in 'drv2667_data'
drivers/input/misc/drv2667.c:109: warning: Function parameter or member 'page' not described in 'drv2667_data'
drivers/input/misc/drv2667.c:109: warning: Function parameter or member 'magnitude' not described in 'drv2667_data'
drivers/input/misc/drv2667.c:109: warning: Function parameter or member 'frequency' not described in 'drv2667_data'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201104162427.2984742-19-lee.jones@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fixes the following W=1 kernel build warning(s):
drivers/input/misc/drv2665.c:59: warning: Function parameter or member 'input_dev' not described in 'drv2665_data'
drivers/input/misc/drv2665.c:59: warning: Function parameter or member 'client' not described in 'drv2665_data'
drivers/input/misc/drv2665.c:59: warning: Function parameter or member 'regmap' not described in 'drv2665_data'
drivers/input/misc/drv2665.c:59: warning: Function parameter or member 'work' not described in 'drv2665_data'
drivers/input/misc/drv2665.c:59: warning: Function parameter or member 'regulator' not described in 'drv2665_data'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201104162427.2984742-18-lee.jones@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fixes the following W=1 kernel build warning(s):
drivers/input/misc/drv260x.c:194: warning: Function parameter or member 'input_dev' not described in 'drv260x_data'
drivers/input/misc/drv260x.c:194: warning: Function parameter or member 'client' not described in 'drv260x_data'
drivers/input/misc/drv260x.c:194: warning: Function parameter or member 'regmap' not described in 'drv260x_data'
drivers/input/misc/drv260x.c:194: warning: Function parameter or member 'work' not described in 'drv260x_data'
drivers/input/misc/drv260x.c:194: warning: Function parameter or member 'enable_gpio' not described in 'drv260x_data'
drivers/input/misc/drv260x.c:194: warning: Function parameter or member 'regulator' not described in 'drv260x_data'
drivers/input/misc/drv260x.c:194: warning: Function parameter or member 'magnitude' not described in 'drv260x_data'
drivers/input/misc/drv260x.c:194: warning: Function parameter or member 'mode' not described in 'drv260x_data'
drivers/input/misc/drv260x.c:194: warning: Function parameter or member 'library' not described in 'drv260x_data'
drivers/input/misc/drv260x.c:194: warning: Function parameter or member 'rated_voltage' not described in 'drv260x_data'
drivers/input/misc/drv260x.c:194: warning: Function parameter or member 'overdrive_voltage' not described in 'drv260x_data'
drivers/input/misc/drv260x.c:244: warning: Function parameter or member 'voltage' not described in 'drv260x_calculate_voltage'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201104162427.2984742-17-lee.jones@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Use kobj_to_dev() instead of container_of().
Signed-off-by: Wang Qing <wangqing@vivo.com>
Link: https://lore.kernel.org/r/1604893436-20206-1-git-send-email-wangqing@vivo.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The eKTF2132 is a touchscreen controller found, for example, in the Kobo
Aura ebook reader. It is similar to the ektf2127, but it uses a different
packet type to report touch events.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20201106112412.390724-3-j.neuschaefer@gmx.net
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The eKTF2132 is a touchscreen controller found, for example, in the Kobo
Aura ebook reader. It is similar to the ektf2127, but it uses a different
packet type to report touch events.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20201106112412.390724-2-j.neuschaefer@gmx.net
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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I am the author of this SiS touch driver, and willing to maintain and
develop it further.
Signed-off-by: Mika Penttilä <mika.penttila@nextfour.com>
Link: https://lore.kernel.org/r/20201007035108.58636-1-mika.penttila@nextfour.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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All evdev clients share a common waitgroup. On new input events, all
clients waiting on this waitgroup are woken up, even those filtering out
the events, possibly more than once per event. This leads to duplicated
and unwanted wakeups.
Split the shared waitgroup into per-client waitgroups for more
fine-grained wakeups.
Signed-off-by: Kenny Levinsen <kl@kl.wtf>
Link: https://lore.kernel.org/r/20200429184126.2155-1-kl@kl.wtf
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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With the new RMI4 F3A support, we're now able to enable full RMI4
support for this model.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201005114919.371592-1-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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With the new RMI4 F3A support, we're now able to enable full RMI4
support for this model. We also tidy up the comments a bit, as the X1E
is essentially the same computer as the P1.
Acked-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://lore.kernel.org/r/20200930225046.173190-3-Jason@zx2c4.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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With the recent addition of the F3A support, we can now accept
bootloader v8, which will help support recent Thinkpads.
Acked-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://lore.kernel.org/r/20200930225046.173190-2-Jason@zx2c4.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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RMI4 F3A supports the touchpad GPIO function, it's designed to
support more GPIOs and used on newer touchpads. This patch adds
support of the touchpad buttons.
Signed-off-by: Vincent Huang <vincent.huang@tw.synaptics.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andrew Duggan <aduggan@synaptics.com>
Link: https://lore.kernel.org/r/20200930094147.635556-3-vincent.huang@tw.synaptics.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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f30_data in rmi_device_platform_data could be also referenced by RMI
function 3A, so rename it and the structure name to avoid confusion.
Signed-off-by: Vincent Huang <vincent.huang@tw.synaptics.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andrew Duggan <aduggan@synaptics.com>
Link: https://lore.kernel.org/r/20200930094147.635556-2-vincent.huang@tw.synaptics.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add support for the bt541 touchscreen IC from zinitix, loosely based on
downstream driver. The driver currently supports multitouch (5 touch points).
The bt541 seems to support touch keys, but the support was not added because
that functionality is not being utilized by the touchscreen used for testing.
Based on the similartities between downstream drivers, it seems likely that
other similar touchscreen ICs can be supported with this driver in the future.
Signed-off-by: Michael Srba <Michael.Srba@seznam.cz>
Link: https://lore.kernel.org/r/20201001122949.16846-1-michael.srba@seznam.cz
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This patch adds dts bindings for the zinitix bt541 touchscreen.
Signed-off-by: Michael Srba <Michael.Srba@seznam.cz>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201001122949.16846-2-michael.srba@seznam.cz
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add a driver for joystick devices connected to ADC controllers
supporting the Industrial I/O subsystem.
Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Tested-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20200927123302.31062-2-contact@artur-rojek.eu
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add documentation for the adc-joystick driver, used to provide support
for joysticks connected over ADC.
Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Tested-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200927123302.31062-1-contact@artur-rojek.eu
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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platform_get_irq() returns -ERRNO on error. In such case comparison
to 0 would pass the check.
Fixes: e443631d20f5 ("Input: serio - add support for Alwinner A10/A20 PS/2 controller")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20200828145744.3636-4-krzk@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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platform_get_irq() returns -ERRNO on error. In such case casting to
unsigned and comparing to 0 would pass the check.
Fixes: 7abf38d6d13c ("Input: twl4030-keypad - add device tree support")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200828145744.3636-3-krzk@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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platform_get_irq() returns -ERRNO on error. In such case comparison
to 0 would pass the check.
Fixes: f3a1ba60dbdb ("Input: omap4-keypad - use platform device helpers")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200828145744.3636-2-krzk@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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platform_get_irq() returns -ERRNO on error. In such case comparison
to 0 would pass the check.
Fixes: 60214f058f44 ("Input: ep93xx_keypad - update driver to new core support")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200828145744.3636-1-krzk@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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In stmfts_sysfs_hover_enable_write(), we should check value and
sdata->hover_enabled is all true.
Fixes: 78bcac7b2ae1 ("Input: add support for the STMicroelectronics FingerTip touchscreen")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20200916141941.16684-1-yuehaibing@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Open/close and resume/suspend paths are very similar, let's factor out
common parts.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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If imx6ul_tsc_init() fails then we need to clean up the clocks.
I reversed the "if (input_dev->users) {" condition to make the code a
bit simpler.
Fixes: 6cc527b05847 ("Input: imx6ul_tsc - propagate the errors")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200905124942.GC183976@mwanda
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fixed typo for command from 0xE0 to 0xD0.
Fixes: cf520c643012 ("Input: elants_i2c - provide an attribute to show calibration count")
Signed-off-by: Johnny Chuang <johnny.chuang.emc@gmail.com>
Link: https://lore.kernel.org/r/1600238783-32303-1-git-send-email-johnny.chuang.emc@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This patch adds a new behavior to report touch major resolution
based on information provided by firmware.
In initial process, driver acquires touch information from touch ic.
It contains one byte about the resolution value of ABS_MT_TOUCH_MAJOR.
Touch driver will report touch major resolution by this information.
Signed-off-by: Johnny Chuang <johnny.chuang.emc@gmail.com>
Reviewed-by: Harry Cutts <hcutts@chromium.org>
Link: https://lore.kernel.org/r/1598581195-9874-1-git-send-email-johnny.chuang.emc@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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RM_CMD_BANK_SWITCH
On an AMD chromebook, where the same I2C bus is shared by both Raydium
touchscreen and a trackpad device, it is observed that interleaving of
I2C messages when `raydium_i2c_read_message()` is called leads to the
Raydium touch IC reporting incorrect information. This is the sequence
that was observed to result in the above issue:
* I2C write to Raydium device for RM_CMD_BANK_SWITCH
* I2C write to trackpad device
* I2C read from trackpad device
* I2C write to Raydium device for setting address
* I2C read from Raydium device >>>> This provides incorrect
information
This change adds a new helper function `raydium_i2c_xfer()` that
performs I2C transactions to the Raydium device. It uses the register
address to decide if RM_CMD_BANK_SWITCH header needs to be sent to the
device (i.e. if register address is greater than 255, then bank switch
header is sent before the rest of the transaction). Additionally, it
ensures that all the I2C operations performed as part of
`raydium_i2c_xfer()` are done as a single i2c_transfer. This
guarantees that no other transactions are initiated to any other
device on the same bus in between. Additionally,
`raydium_i2c_{send|read}*` functions are refactored to use this new
helper function.
Verified with the patch across multiple reboots (>100) that the
information reported by the Raydium touchscreen device during probe
is correct.
Signed-off-by: Furquan Shaikh <furquan@google.com>
Link: https://lore.kernel.org/r/20200821024006.3399663-1-furquan@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Some 2-in-1s which use the soc_button_array driver have this ugly issue in
their DSDT where the _LID method modifies the irq-type settings of the
GPIOs used for the power and home buttons. The intend of this AML code is
to disable these buttons when the lid is closed.
The AML does this by directly poking the GPIO controllers registers. This
is problematic because when re-enabling the irq, which happens whenever
_LID gets called with the lid open (e.g. on boot and on resume), it sets
the irq-type to IRQ_TYPE_LEVEL_LOW. Where as the gpio-keys driver programs
the type to, and expects it to be, IRQ_TYPE_EDGE_BOTH.
This commit adds a workaround for this which (on affected devices) does
not set gpio_keys_button.gpio on these 2-in-1s, instead it gets the irq for
the GPIO, configures it as IRQ_TYPE_LEVEL_LOW (to match how the _LID AML
code configures it) and passes the irq in gpio_keys_button.irq.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200906122016.4628-2-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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According to the Microsoft documentation for Windows 8 convertible
devices, these devices should implement a PNP0C60 "laptop/slate mode state
indicator" ACPI device.
This device can work in 2 ways, if there is a GPIO which directly
indicates the device is in tablet-mode or not then the direct-gpio mode
should be used. If there is no such GPIO, but instead the events are
coming from e.g. the embedded-controller, then there should still be
a PNP0C60 ACPI device and event-injection should be used to send the
events. The drivers/platform/x86/intel-vbtn.c code is an example from
a standardized manner of doing the latter.
On various 2-in-1s with either a detachable keyboard, or with 360°
hinges, the direct GPIO mode is indicated by an ACPI device with a
HID of INT33D3, which contains a single GpioInt in its ACPI resource
table, which directly indicates if the device is in tablet-mode or not.
This commit adds support for this to the soc_button_array code, as
well as for the alternative ID9001 HID which some devices use
instead of the INT33D3 HID.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200826150601.12137-3-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This is a preparation patch for adding support for Intel INT33D3
ACPI devices. These INT33D3 devices follow yet another Intel defined
(but not documented) ACPI GPIO button standard.
Unlike the ACPI GPIO button devices supported so far, the GPIO used in
the INT33D3 devices is active-high, rather then active-low.
This commit makes setting the gpio_keys_button.active_low flag
configurable through the soc_button_info struct and enables it for all
currently supported devices.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200826150601.12137-2-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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KEY_SELECTIVE_SCREENSHOT
Commit 696c6523ec8f ("platform/x86: thinkpad_acpi: add mapping for new
hotkeys") added support for a bunch of new hotkeys, but the
clipping/snipping tool hotkey got ignored because there was no good
key-code to map it to.
Recently a new KEY_SELECTIVE_SCREENSHOT keycode was added by commit
3b059da9835c ("Input: allocate keycode for "Selective Screenshot" key")
quoting from the commit message:
"New Chrome OS keyboards have a "snip" key that is basically a selective
screenshot (allows a user to select an area of screen to be copied).
Allocate a keycode for it."
Support for this "snip" key seems like it is also a good match for the
clipping/snipping tool hotkey, so map this hotkey to the new
KEY_SELECTIVE_SCREENSHOT key-code.
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200908135147.4044-5-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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New Lenovo Thinkpad models, e.g. the X1 Carbon 8th gen and the new T14 gen1
models have 3 new symbols / shortcuts on their F9-F11 keys (and the
thinkpad_acpi driver receives 3 new hkey events for these):
F9: Has a symbol resembling a rectangular speech balloon, the manual says
the hotkey functions shows or hides the notification center
F10: Has a symbol of a telephone horn which has been picked up from the
receiver, the manual says: "Answer incoming calls"
F11: Has a symbol of a telephone horn which is resting on the receiver,
the manual says: "Decline incoming calls"
And these Thinkpad models also send a new 0x1316 hkey events when the
Fn + right Shift key-combo is pressed.
This commit adds support for these 4 new hkey events.
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200908135147.4044-4-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The last 2 generations of Lenovo Thinkpads send an acpi_thinkpad event when
Fn + right shift is pressed. This is intended for use with "Lenovo Quick
Clean" software, which disables the touchpad + kbd for 2 minutes on this
key-combo so that healthcare workes can disinfect it.
But there is no silkscreen print on the right-keyboard to indicate this,
so add a KEY_FN_RIGHT_SHIFT keycode define to use for this key-combo.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200908135147.4044-3-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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New Lenovo Thinkpad models, e.g. the X1 Carbon 8th gen and the new T14 gen1
models have 3 new symbols / shortcuts on their F9-F11 keys (and the
thinkpad_acpi driver receives 3 new "scancodes" for these):
F9: Has a symbol resembling a rectangular speech balloon, the manual says
the hotkey functions shows or hides the notification center
F10: Has a symbol of a telephone horn which has been picked up from the
receiver, the manual says: "Answer incoming calls"
F11: Has a symbol of a telephone horn which is resting on the receiver,
the manual says: "Decline incoming calls"
We have no existing keycodes which are a good match for these, so
add 3 new keycodes for these.
I noticed that we have a hole in our keycodes between 0x1ba and 0x1c0
which does not seem to be reserved for any specific purpose, so these
new 3 codes use 0x1bc - 0x1be, instead of starting at 0x27b.
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Use semicolons and braces.
Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/02cb394f8c305473c1a783a5ea8425de79fe0ec1.1598331149.git.joe@perches.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Expose model and fw_version via sysfs. Also query the model
in probe to make sure, that the I2C communication with the
device works before successfully probing the driver.
This is a bit complicated, since EETI devices do not have
a sync interface. Sending the commands and directly reading
does not work. Sending the command and waiting for some time
is also not an option, since there might be touch events in
the mean time.
Last but not least we do not cache the results, since this
interface can be used to check the I2C communication is still
working as expected.
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20200805160520.456570-5-sebastian.reichel@collabora.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add basic support for an optional reset gpio.
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200805160520.456570-4-sebastian.reichel@collabora.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This adds support for EXC80H60 and EXCH84 controllers, which
use a different event type id and have two extra bits for the
resolution (so the maximum is 16K instead of 4K).
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200805160520.456570-3-sebastian.reichel@collabora.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Convert the EETI EXC3000 binding to DT schema format using json-schema
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200805160520.456570-2-sebastian.reichel@collabora.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Currently when the call to fsp_reg_write fails -EIO is not being returned
because the count is being returned instead of the return value in retval.
Fix this by returning the value in retval instead of count.
Addresses-Coverity: ("Unused value")
Fixes: fc69f4a6af49 ("Input: add new driver for Sentelic Finger Sensing Pad")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200603141218.131663-1-colin.king@canonical.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The variable ret is being initialized with a value that is
never read and it is being updated later with a new value. The
initialization is redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200603135742.130852-1-colin.king@canonical.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Currently the assignment of -ENOMEM to error is redundant because error
is not being read and -ENOMEM is being hard coded as an error return.
Fix this by returning the error code in variable 'error'; this also
allows the error code from a failed call to input_register_device to
be preserved and returned to the caller rather than just returning
a possibly inappropriate -ENOMEM.
Kudos to Dan Carpenter for the suggestion of an improved fix.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200603152151.139337-1-colin.king@canonical.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The update firmware flow of ic type 0x15 is same with ic type 0x14.
Signed-off-by: Jingle Wu <jingle.wu@emc.com.tw>
Link: https://lore.kernel.org/r/20200730060526.12439-1-jingle.wu@emc.com.tw
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The workaround of reading all messages until an invalid is received is a
way of forcing the CHG line high, which means that when using
edge-triggered interrupts the interrupt can be acquired.
With level-triggered interrupts the workaround is unnecessary.
Also, most recent maXTouch chips have a feature called RETRIGEN which, when
enabled, reasserts the interrupt line every cycle if there are messages
waiting. This also makes the workaround unnecessary.
Note: the RETRIGEN feature is only in some firmware versions/chips, it's
not valid simply to enable the bit.
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Acked-by: Benson Leung <bleung@chromium.org>
Acked-by: Yufeng Shen <miletus@chromium.org>
(cherry picked from ndyer/linux/for-upstream commit 1ae4e8281e491b22442cd5acdfca1862555f8ecb)
[gdavis: Fix conflicts due to v4.6-rc7 commit eb43335c4095 ("Input:
atmel_mxt_ts - use mxt_acquire_irq in mxt_soft_reset").]
Signed-off-by: George G. Davis <george_davis@mentor.com>
[jiada: reset use_retrigen_workaround at beginning of mxt_check_retrigen()
call mxt_check_retrigen() after mxt_acquire_irq() in mxt_initialize()
replace white-spaces with tab for MXT_COMMS_RETRIGEN
Changed to check if IRQ is level type]
Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
Link: https://lore.kernel.org/r/20200727151637.23810-1-jiada_wang@mentor.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fix non-existing constant in documentation.
Signed-off-by: Pavel Machek (CIP) <pavel@denx.de>
Link: https://lore.kernel.org/r/20200724084025.GB31930@amd
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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When I cat some module parameters by sysfs, it displays as follows. It's
better to add a newline for easy reading.
root@syzkaller:~# cat /sys/module/ati_remote2/parameters/mode_mask
0x1froot@syzkaller:~# cat /sys/module/ati_remote2/parameters/channel_mask
0xffffroot@syzkaller:~#
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Link: https://lore.kernel.org/r/20200720092148.9320-1-wangxiongfeng2@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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When I cat parameter 'proto' by sysfs, it displays as follows. It's
better to add a newline for easy reading.
root@syzkaller:~# cat /sys/module/psmouse/parameters/proto
autoroot@syzkaller:~#
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Link: https://lore.kernel.org/r/20200720073846.120724-1-wangxiongfeng2@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Sync up with 'for-linus' branch to resolve conflict in Elan touchpad
driver.
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Bring in update to Elan touchpad driver to support newer touchpads with
higher resolution.
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