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2017-02-12Input: tsc2004/5 - fix regulator handlingDmitry Torokhov1-12/+7
In case of an optional regulator missing, regulator core will return ERR_PTR(-ENOENT) and not NULL, so the check for missing regulator is incorrect. Also, the regulator is not optional, it may simply be missing from platform description, so let's use devm_regulator_get() and rely on regulator core to give us dummy supply when real one is not available. Fixes: d257f2980feb ("Input: tsc2005 - convert to gpiod") Acked-By: Sebastian Reichel <sre@kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-12Input: tsc2005 - add OF device tableDmitry Torokhov1-1/+11
To be prepared for SPI module loading using full compatible strings from device tree, let's add OF module device table data. Reviewed-By: Sebastian Reichel <sre@kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-09Input: add driver for Zeitec ZET6223Jelle van der Waa5-0/+312
This is a basic driver for the Zeitec ZET6223 I2C touchscreen controllers. The driver does not support firmware loading, which is not required for all tablets which contain this chip. Signed-off-by: Jelle van der Waa <jelle@vdwaa.nl> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-09Input: joydev - do not report stale values on first openRaphael Assenat1-5/+13
Postpone axis initialization to the first open instead of doing it in joydev_connect. This is to make sure the generated startup events are representative of the current joystick state rather than what it was when joydev_connect() was called, potentially much earlier. Once the first user is connected to joydev node we'll be updating joydev->abs[] values and subsequent clients will be getting correct initial states as well. This solves issues with joystick driven menus that start scrolling up each time they are started, until the user moves the joystick to generate events. In emulator menu setups where the menu program is restarted every time the game exits, the repeated need to move the joystick to stop the unintended scrolling gets old rather quickly... Signed-off-by: Raphael Assenat <raph@raphnet.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-09Input: synaptics-rmi4 - forward upper mechanical buttons to PS/2 guestBenjamin Tissoires3-16/+95
On the latest series of ThinkPads, the button events for the TrackPoint are reported through the touchpad itself as opposed to the TrackPoint device. In order to report these buttons properly, we need to forward them to the TrackPoint device and notify psmouse to send the button presses/releases. Signed-off-by: Lyude Paul <thatslyude@gmail.com> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-09Input: synaptics-rmi4 - clean up F30 implementationDmitry Torokhov1-182/+144
This patch does several cleanup changes to F30 code - switch to using BIT() macro - use DIV_ROUND_UP() where appropriate - factor out code setting up and reporting buttons - use single loop when reporting buttons: arithmetic is cheap compared to conditionals and associated branch misprediction. Tested-By: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-09Input: synaptics - use SERIO_OOB_DATA to handle trackstick buttonsDmitry Torokhov2-14/+13
Instead of using custom method of "passing" extended buttons from the touchpad to trackstick, let's switch to the newly introduced SERIO_OOB_DATA channel. Tested-By: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-09Input: psmouse - add a custom serio protocol to send extra informationBenjamin Tissoires3-6/+47
The tracksticks on the Lenovo thinkpads have their buttons connected through the touchpad device. We already fixed that in synaptics.c, but when we switch the device into RMI4 mode to have proper support, the pass-through functionality can't deal with them easily. We add a new PS/2 flag and protocol designed for psmouse. The RMI4 F03 pass-through can then emit a special set of commands to notify psmouse the state of the buttons. This patch implements the protocol in psmouse, while an other will do the same for rmi4-f03. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-07Input: synaptics-rmi4 - fix error return code in rmi_probe_interrupts()Wei Yongjun1-1/+1
Fix to return error code -ENOMEM from the devm_kzalloc() error handling case instead of 0, as done elsewhere in this function. Fixes: 6bd0dcfacf28 ("Input: synaptics-rmi4 - factor out functions from probe") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-06Input: xpad - restore LED state after device resumeCameron Gutman1-1/+10
Set the LED_CORE_SUSPENDRESUME flag on our LED device so the LED state will be automatically restored by LED core on resume. Since Xbox One pads stop flashing only when reinitialized, we'll send them the initialization packet so they calm down too. Signed-off-by: Cameron Gutman <aicommander@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-06Input: synaptics-rmi4 - add rmi_find_function()Benjamin Tissoires2-0/+14
If a function needs to communicate with an other, it's better to have a way to retrieve this other. Reviewed-by: Andrew Duggan <aduggan@synaptics.com> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-06Input: xpad - fix stuck mode button on Xbox One S padCameron Gutman1-0/+33
The Xbox One S requires an ack to its mode button report, otherwise it continuously retransmits the report. This makes the mode button appear to be stuck down after it is pressed for the first time. Signed-off-by: Cameron Gutman <aicommander@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-01Input: joydev - use clamp() macroDmitry Torokhov1-1/+1
We have a nice macro ensuring that the value is within certain range, let's use it instead of open-coding. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-01Input: refuse to register absolute devices without absinfoDmitry Torokhov1-0/+6
If device is supposed to send absolute events (i.e. EV_ABS bit is set in dev->evbit) but dev->absinfo is not allocated, then the driver has done something wrong, and we should not register such device. Otherwise we'll crash later, when driver tries to send absolute event. Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Acked-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-31Input: synaptics-rmi4 - add sysfs interfaces for hardware IDsNick Dyer4-4/+152
These attributes provide various bits of information which may be enumerated under the RMI4 protocol to user space. This may be useful for displaying the particular version which is in use, or selecting the correct firmware to flash. Signed-off-by: Nick Dyer <nick@shmanahar.org> Tested-by: Chris Healy <cphealy@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-31Input: synaptics-rmi4 - add sysfs attribute update_fw_statusNick Dyer3-27/+80
The attribute returns the percentage complete. If the firmware update fails, it reports a negative error code. Signed-off-by: Nick Dyer <nick@shmanahar.org> Tested-by: Chris Healy <cphealy@gmail.com> Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-31Input: mousedev - stop offering PS/2 to userspace by defaultDmitry Torokhov1-3/+0
Evdev interface has been available for many years and by now everyone is switched to using it, so let's stop offering /dev/input/mouseN and /dev/psaux by default. Acked-by: Jiri Kosina <jkosina@suse.cz> Acked-by: Peter Hutterer <peter.hutterer@who-t.net> Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-31Input: tca8418 - switch to using generic device propertiesDmitry Torokhov2-108/+26
Let's drop legacy platform data support (there are no users in mainline) and switch to using generic device properties, which will make the driver simpler (non-OF boards can use property sets to describe hardware). Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-31Input: matrix-keypad - switch to using generic device propertiesDmitry Torokhov12-84/+73
Instead of being OF-specific, let's switch to using generic device properties, which will make this code usable on ACPI, device tree and legacy boards that use property sets. As part of the change let's rename matrix_keypad_parse_of_params() to matrix_keypad_parse_properties(). Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-31Input: delete MPU3050 driverLinus Walleij3-492/+0
The MPU3050 driver in the input subsystem has been superseded by a proper IIO driver found in drivers/iio/gyro/mpu3050*. Patches have been submitted to remove all defconfig and related references to the old driver and replace this input driver with the IIO driver. So delete the input driver. Input was never a good fit for sensors anyway. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-24Input: constify device_type structuresBhumika Goyal2-3/+3
Declare device_type structures as const as they are only stored in the type field of a device structure. This field is of type const, so add const to declaration of device_type structures. File size before: text data bss dec hex filename 17184 1344 80 18608 48b0 drivers/input/input.o File size after: text data bss dec hex filename 17248 1280 80 18608 48b0 drivers/input/input.o File size before: text data bss dec hex filename 2355 384 8 2747 abb drivers/input/rmi4/rmi_bus.o File size after: text data bss dec hex filename 2483 264 8 2755 ac3 drivers/input/rmi4/rmi_bus.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: touchscreen - drop unnecessary calls to input_set_drvdataGuenter Roeck6-9/+0
Since there is no call to dev_get_drvdata() or input_get_drvdata(), the call to input_set_drvdata() is unnecessary and can be dropped. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: dm355evm_keys - drop unnecessary call to input_set_drvdataGuenter Roeck1-2/+0
Since there is no call to dev_get_drvdata() or input_get_drvdata(), the call to input_set_drvdata() is unnecessary and can be dropped. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: mouse - drop unnecessary calls to input_set_drvdataGuenter Roeck2-3/+0
Since there is no call to dev_get_drvdata() or input_get_drvdata(), the call to input_set_drvdata() is unnecessary and can be dropped. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: maplecontrol - drop unnecessary call to input_set_drvdataGuenter Roeck1-1/+0
Since there is no call to dev_get_drvdata() or input_get_drvdata(), the call to input_set_drvdata() is unnecessary and can be dropped. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: keyboard - drop unnecessary calls to input_set_drvdataGuenter Roeck6-11/+0
If there is no call to dev_get_drvdata() or input_get_drvdata(), the call to input_set_drvdata() is unnecessary and can be dropped. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: i8042 - add dbg msg when a command can't write its parameterMarcos Paulo de Souza1-2/+4
This can happen in cases like bug #102951[1], so add a proper debug msg as done in wait_read. Also, change wait_read debug message to differ from wait_write. [1] https://bugzilla.kernel.org/show_bug.cgi?id=102951 Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: max11801_ts - drop call to input_set_drvdata()Dmitry Torokhov1-1/+0
Nobody calls input_get_drvdata() so setting it is not required. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Linux 4.10-rc5Linus Torvalds1-2/+2
2017-01-22Input: pwm-beeper - switch to using "atomic" PWM APIDmitry Torokhov1-9/+17
The "atomic" API allows us to configure PWM period and duty cycle and enable it in one call. Reviewed-by: Thierry Reding <thierry.reding@gmail.com> Tested-by: David Lechner <david@lechnology.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: pwm-beeper - add optional amplifier regulatorDavid Lechner2-13/+66
This adds an optional regulator to the pwm-beeper device. This regulator acts as an amplifier. The amplifier is only enabled while beeping in order to reduce power consumption. Tested on LEGO MINDSTORMS EV3, which has a speaker connected to PWM through an amplifier. Signed-off-by: David Lechner <david@lechnology.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: pwm-beeper - suppress error message on probe deferDavid Lechner1-1/+3
This suppress printing an error message when pwm_get returns -EPROBE_DEFER. Otherwise you get a bunch of noise in the kernel log. Signed-off-by: David Lechner <david@lechnology.com> Reviewed-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: pwm-beeper - fix race when suspendingDmitry Torokhov1-3/+18
Usually userspace sends SND_BELL and SND_TONE events, and by the time pwm_beeper_suspend() runs userpsace is already frozen, but theoretically in-kernel users may send these events too, and that may cause pwm_beeper_event() scheduling another work after we canceled it. Let's introduce a "suspended" flag and check it in pwm_beeper_event() to avoid this race. Reviewed-by: Thierry Reding <thierry.reding@gmail.com> Tested-by: David Lechner <david@lechnology.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: pwm-beeper - use input_set_capability()Dmitry Torokhov1-2/+2
Instead of manipulating capability bits directly, let's use input_set_capability() API. Reviewed-by: Thierry Reding <thierry.reding@gmail.com> Tested-by: David Lechner <david@lechnology.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: pwm-beeper - switch to using managed resourcesDmitry Torokhov1-34/+10
Use of managed resources (devm) simplifies error handling and tear down of the driver. Reviewed-by: Thierry Reding <thierry.reding@gmail.com> Tested-by: David Lechner <david@lechnology.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22Input: pwm-beeper - remove calls to legacy pwm_request APIDmitry Torokhov1-6/+0
There are no more users of pwm-beeper driver in mainline relying on this legacy API, so let's remove it and simplify the driver code. Acked-by: Thierry Reding <thierry.reding@gmail.com> Tested-by: David Lechner <david@lechnology.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: synaptics-rmi4 - use local variables consistentlyGuenter Roeck2-4/+4
If a function declares a variable to access a structure element, use it conssistently. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: misc - drop empty remove functionsGuenter Roeck5-30/+0
Empty remove functions don't serve a useful purpose and can be removed. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: serio - drop unnecessary calls to device_init_wakeupGuenter Roeck1-1/+0
Calling device_init_wakeup in the remove function is unnecessary since the device is going away, and thus won't be able to cause any wakeups under any circumstances. Besides, the driver cleanup code already handles the necessary cleanup. Similarly, disabling wakeup in the probe error path is unnecessary, as is disabling wakeup in the probe function in the first place. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: touchscreen - drop unnecessary calls to device_init_wakeupGuenter Roeck5-7/+0
Calling device_init_wakeup in the remove function is unnecessary since the device is going away, and thus won't be able to cause any wakeups under any circumstances. Besides, the driver cleanup code already handles the necessary cleanup. Similarly, disabling wakeup in the probe error path is unnecessary, as is disabling wakeup in the probe function in the first place. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: misc - drop unnecessary calls to device_init_wakeupGuenter Roeck7-11/+0
Calling device_init_wakeup in the remove function is unnecessary since the device is going away, and thus won't be able to cause any wakeups under any circumstances. Besides, the driver cleanup code already handles the necessary cleanup. Similarly, disabling wakeup in the probe error path is unnecessary, as is disabling wakeup in the probe function in the first place. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: keyboard - drop unnecessary calls to device_init_wakeupGuenter Roeck5-11/+0
Calling device_init_wakeup in the remove function is unnecessary since the device is going away, and thus won't be able to cause any wakeups under any circumstances. Besides, the driver cleanup code already handles the necessary cleanup. Similarly, disabling wakeup in the probe error path is unnecessary, as is disabling wakeup in the probe function in the first place. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: touchscreen - use local variables consistentlyGuenter Roeck6-8/+7
If a function declares a variable to access a structure element, use it consistently. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: mouse - use local variables consistentlyGuenter Roeck9-42/+31
If a function declares a variable to access a structure element, use it consistently. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: misc - use local variables consistentlyGuenter Roeck3-7/+6
If a function declares a variable to access a structure element, use it consistently. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: keyboard - use local variables consistentlyGuenter Roeck4-27/+25
If a function declares a variable to access a structure element, use it consistently. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: touchscreen - drop calls to platform_set_drvdata and i2c_set_clientdataGuenter Roeck5-8/+0
There is no call to i2c_get_clientdata(), platform_get_drvdata(), or dev_get_drvdata() in any of the drivers in this patch. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: misc - drop calls to platform_set_drvdata and i2c_set_clientdataGuenter Roeck5-6/+0
There is no call to i2c_get_clientdata(), platform_get_drvdata(), or dev_get_drvdata() in any of the drivers in this patch. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: keyboard - drop calls to platform_set_drvdata and i2c_set_clientdataGuenter Roeck8-12/+0
There is no call to i2c_get_clientdata(), platform_get_drvdata(), or dev_get_drvdata() in any of the drivers in this patch. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21Input: gpio-keys - add support for setkeycodeHans de Goede1-12/+28
gpio-keys input devices created by the soc_button_array driver are configured with key-codes based on ACPI provided information. Unfortunately on some tablets this info is wrong, and we need to have a quirk to fix things up. Add support for input_setkeycode to the gpio-keys driver, so that the existing udev hwdb mechanism can be used to fix things up on these tablets. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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