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Author SHA1 Message Date
Dmitry Torokhov
2d7877d797 Input: omap-keypad - use driver core to instantiate device attributes 
Instead of manually creating driver-specific device attributes
set struct driver->dev_groups pointer to have the driver core
do it.

This also fixes issue with the attribute not being deleted on driver
unbind.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/Zo9nofWJ1xg9MgKs@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-12 17:15:29 -07:00
Dmitry Torokhov
a122a6fd72 Input: atmel_mxt_ts - use driver core to instantiate device attributes 
Instead of manually creating driver-specific device attributes,
set struct driver->dev_groups pointer to have the driver core
do it.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/Zo9kSFeGOZB9b3rq@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-12 17:15:08 -07:00
Philipp Zabel
8c98dddc23 Input: exc3000 - add EXC81W32 support 
Add support for EXC81W32 controllers.

Tested with firmware reported as type "PCAP81X32 Series",
model "Orion_0183_1019", fw_version "8001280G".

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240710-input-exc3000-exc81w32-v3-2-4272183628b4@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-11 09:58:35 -07:00
Philipp Zabel
87d9d1e3eb dt-bindings: input: touchscreen: exc3000: add EXC81W32 
Add compatible for EXC81W32 touchscreen controllers.
They use the same protocol and have the same resolution as EXC80H84.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240710-input-exc3000-exc81w32-v3-1-4272183628b4@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-11 09:58:35 -07:00
Dmitry Torokhov
f48ecbd2ce Input: twl4030-pwrbutton - fix kernel-doc warning 
Do not use kernel-doc style for comment describing contents of the
source file, as it trips the script:

  scripts/kernel-doc -none   drivers/input/misc/twl4030-pwrbutton.c
drivers/input/misc/twl4030-pwrbutton.c:2: info: Scanning doc for function twl4030
drivers/input/misc/twl4030-pwrbutton.c:33: warning: expecting prototype for twl4030(). Prototype was for PWR_PWRON_IRQ() instead
1 warnings

Also remove file name from the same comment - it it not the best idea
to have it as they tend to get stale when sources get moved or renamed.

Reported-by: Mirsad Todorovac <mtodorovac69@gmail.com>
Tested-by: Mirsad Todorovac <mtodorovac69@gmail.com>
Link: https://lore.kernel.org/r/Zo3QE00GqCrA3M9b@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-11 09:57:58 -07:00
Felix Kaechele
5e91cef944 Input: himax_hx83112b - add support for HX83100A 
The HX83100A is a bit of an outlier in the Himax HX831xxx series of
touch controllers as it requires reading touch events through the AHB
interface of the MCU rather than providing a dedicated FIFO address like
the other chips do.
This patch implements the specific read function and introduces the
HX83100A chip with an appropriate i2c ID and DT compatible string.

The HX83100A doesn't have a straightforward way to do chip
identification, which is why it is not implemented in this patch.

Tested on: Lenovo ThinkSmart View (CD-18781Y) / Innolux P080DDD-AB2 LCM

Signed-off-by: Felix Kaechele <felix@kaechele.ca>
Tested-by: Paul Gale <paul@siliconpixel.com>
Link: https://lore.kernel.org/r/20240620145019.156187-6-felix@kaechele.ca
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:50 -07:00
Felix Kaechele
aa9007ed2d Input: himax_hx83112b - add himax_chip struct for multi-chip support 
In preparation for HX83100A support allow defining separate functions
for specific chip operations.

Signed-off-by: Felix Kaechele <felix@kaechele.ca>
Link: https://lore.kernel.org/r/20240620145019.156187-5-felix@kaechele.ca
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:50 -07:00
Felix Kaechele
0944829d49 Input: himax_hx83112b - implement MCU register reading 
Implement reading from the MCU in a more universal fashion. This allows
properly handling reads of more than 4 bytes using the AHB FIFO
implemented in the chip.

Signed-off-by: Felix Kaechele <felix@kaechele.ca>
Link: https://lore.kernel.org/r/20240620145019.156187-4-felix@kaechele.ca
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:50 -07:00
Felix Kaechele
05eab5456b Input: himax_hx83112b - use more descriptive register defines 
Himax uses an AHB-style bus to communicate with different parts of the
display driver and touch controller system.
Use more descriptive names for the register and address defines.
The names were taken from a driver submission for the similar HX83102J
chip.

Signed-off-by: Felix Kaechele <felix@kaechele.ca>
Link: https://lore.kernel.org/all/TY0PR06MB561105A3386E9D76F429110D9E0F2@TY0PR06MB5611.apcprd06.prod.outlook.com/
Link: https://lore.kernel.org/r/20240620145019.156187-3-felix@kaechele.ca
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:50 -07:00
Felix Kaechele
a742e61dbb dt-bindings: input: touchscreen: himax,hx83112b: add HX83100A 
Add a compatible string for the Himax HX83100A touch controller.

The HX83100A presents touch events on the internal bus rather than
offering a dedicated event register like the other chips in this family
do.

Signed-off-by: Felix Kaechele <felix@kaechele.ca>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240620145019.156187-2-felix@kaechele.ca
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:49 -07:00
Dmitry Torokhov
735877fde0 Input: do not check number of events in input_pass_values() 
Now that the input_dev->vals array is always there we can be assured
that input_pass_values() is always called with a non-0 number of
events. Remove the check.

Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://lore.kernel.org/r/20240703213756.3375978-8-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:49 -07:00
Dmitry Torokhov
0cd5877352 Input: preallocate memory to hold event values 
Preallocate memory for holding event values (input_dev->vals) so that
there is no need to check if it was allocated or not in the event
processing code.

The amount of memory will be adjusted after input device has been fully
set up upon registering device with the input core.

Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://lore.kernel.org/r/20240703213756.3375978-7-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:49 -07:00
Dmitry Torokhov
3544cf574a Input: rearrange input_alloc_device() to prepare for preallocating of vals 
In preparation to have dev->vals memory pre-allocated rearrange
code in input_alloc_device() so that it allows handling multiple
points of failure.

Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://lore.kernel.org/r/20240703213756.3375978-6-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:49 -07:00
Dmitry Torokhov
d469647baf Input: simplify event handling logic 
Streamline event handling code by providing batch implementations for
filtering and event processing and using them in place of the main
event handler, as needed, instead of having complex branching logic
in the middle of the event processing code.

Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://lore.kernel.org/r/20240703213756.3375978-5-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:49 -07:00
Dmitry Torokhov
14498e993f Input: make events() method return number of events processed 
In preparation to consolidating filtering and event processing in the
input core change events() method to return number of events processed
by it.

Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://lore.kernel.org/r/20240703213756.3375978-4-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:49 -07:00
Dmitry Torokhov
a184cf98b1 Input: make sure input handlers define only one processing method 
Input core expects input handlers to be either filters, or regular
handlers, but not both. Additionally, for regular handlers it does
not make sense to define both single event method and batch method.

Refuse registering handler if it defines more than one method.

Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://lore.kernel.org/r/20240703213756.3375978-3-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:48 -07:00
Dmitry Torokhov
b3d65108ac Input: evdev - remove ->event() method 
Input core favors ->events() (batch) method over ->event() method
if the former is defined, so there is no point in defining evdev_event()
as it is never called. Remove it.

Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://lore.kernel.org/r/20240703213756.3375978-2-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:48 -07:00
Raymond Hackley
1e48ee99f6 Input: imagis - add supports for Imagis IST3038 
Imagis IST3038 is another variant of Imagis IST3038 IC, which has
a different register interface from IST3038C (possibly firmware defined).

Unlike IST3038C/IST3032C, IST3038 has different registers for commands,
which means IST3038 doesn't use protocol B.
Similar to IST3032C and maybe the other variants, IST3038 has touch keys
support, which provides KEY_APPSELECT and KEY_BACK.

Add support for IST3038 with touch keys.

Signed-off-by: Raymond Hackley <raymondhackley@protonmail.com>
Link: https://lore.kernel.org/r/20240613025631.5425-4-raymondhackley@protonmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:48 -07:00
Raymond Hackley
72d45b6658 dt-bindings: input/touchscreen: imagis: Document ist3038 
Imagis IST3038 is a variant of Imagis touchscreen IC. Document it in
imagis,ist3038c bindings.

Signed-off-by: Raymond Hackley <raymondhackley@protonmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240613025631.5425-3-raymondhackley@protonmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:48 -07:00
Raymond Hackley
ff2f28c771 Input: imagis - clarify the usage of protocol_b 
protocol_b is a property, which tells Imagis panel to use a different
format for coordinates.

IST30XXC series is known for using protocol B, while the other series
aren't. Note this could be confusing, unlike the model name implies.

Adjust the usage of protocol_b to avoid confusion.

Signed-off-by: Raymond Hackley <raymondhackley@protonmail.com>
Link: https://lore.kernel.org/r/20240613025631.5425-2-raymondhackley@protonmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 16:22:41 -07:00
Andrew Davis
3b42b9ade1 dt-bindings: input: ti,nspire-keypad: convert to YAML format 
Convert TI-NSPIRE Keypad controller bindings to DT schema.

Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240612150711.26706-1-afd@ti.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 10:08:11 -07:00
Javier Carrasco
f275b3ae3a Input: fsl-imx25-tcq - constify struct regmap_config 
`mx25_tcq_regconfig` is not modified and can be declared as const to
move its data to a read-only section.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240705-input-const-regmap_config-v1-2-f712a4494883@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 10:01:19 -07:00
Javier Carrasco
366d586684 Input: qt1050 - constify struct regmap_config 
`qt1050_regmap_config` is not modified and can be declared as const to
move its data to a read-only section.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240705-input-const-regmap_config-v1-1-f712a4494883@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-08 10:01:18 -07:00
Dmitry Torokhov
5e13bea78d Input: cypress_ps2 - use u8 when dealing with byte data 
When dealing with byte data use u8 instead of unsigned char or int.
Stop layering error handling in cypress_ps2_sendbyte() and simply
pass on error code from ps2_sendbyte().

Additionally use u8 instead of unisgned char throughout the code.

Link: https://lore.kernel.org/r/20240628224728.2180126-5-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-03 13:48:53 -07:00
Dmitry Torokhov
93f25f92fc Input: cypress_ps2 - propagate errors from lower layers 
Do not override errors reported by lower layers with generic "-1",
but propagate them to the callers. Change the checks for errors to be
in the form of "if (error)" to maintain consistency.

Link: https://lore.kernel.org/r/20240628224728.2180126-4-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-03 13:48:53 -07:00
Dmitry Torokhov
8bccf667f6 Input: cypress_ps2 - report timeouts when reading command status 
Report -ETIMEDOUT error code from cypress_ps2_read_cmd_status() when
device does not send enough data within the allotted time in response
to a command.

Link: https://lore.kernel.org/r/20240628224728.2180126-3-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-03 13:48:53 -07:00
Dmitry Torokhov
e8688b93ce Input: cypress_ps2 - fix error handling when sending command fails 
Stop layering error handling in cypress_ps2_sendbyte() and simply
pass on error code from ps2_sendbyte() and use it in the callers.

This fixes mishandling of error condition in
cypress_ps2_read_cmd_status() which expects errors to be negative.

Reported-by: Igor Artemiev <Igor.A.Artemiev@mcst.ru>
Link: https://lore.kernel.org/r/20240628224728.2180126-2-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-03 13:48:53 -07:00
Dmitry Torokhov
c1a3390011 Input: cypress_ps2 - clean up setting reporting rate 
Casting an integer field containing desired rate to a pointer to bytes
works on little endian architectures where the driver is used, but not
a good practice. Use a temporary of proper type instead.

Link: https://lore.kernel.org/r/20240628224728.2180126-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-03 13:48:53 -07:00
Dmitry Torokhov
5f82c1e047 Input: elan_i2c - do not leave interrupt disabled on suspend failure 
Make sure interrupts are not left disabled when we fail to suspend the
touch controller.

Fixes: 6696777c65 ("Input: add driver for Elan I2C/SMbus touchpad")
Link: https://lore.kernel.org/r/ZmKiiL-1wzKrhqBj@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-07-01 12:10:46 -07:00
Dmitry Torokhov
7c45951725 Input: ili210x - use guard notation when disabling and reenabling IRQ 
This makes the code more compact and error handling more robust.

Link: https://lore.kernel.org/r/20240609234757.610273-3-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-28 15:15:20 -07:00
Dmitry Torokhov
ac7e0839da Input: ili210x - switch to using cleanup functions in firmware code 
Start using __free() attributes to simplify the code and error handling.

Link: https://lore.kernel.org/r/20240609234757.610273-2-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-28 15:15:20 -07:00
Dmitry Torokhov
17f5eebf67 Input: ili210x - use kvmalloc() to allocate buffer for firmware update 
Allocating a contiguous buffer of 64K may fail if memory is sufficiently
fragmented, and may cause OOM kill of an unrelated process. However we
do not need to have contiguous memory. We also do not need to zero
out the buffer since it will be overwritten with firmware data.

Switch to using kvmalloc() instead of kzalloc().

Link: https://lore.kernel.org/r/20240609234757.610273-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-28 15:15:08 -07:00
Dmitry Torokhov
f2845b4f1b Input: rohm_bu21023 - switch to using cleanup functions 
Start using __free() and guard() primitives to simplify the code
and error handling.

Link: https://lore.kernel.org/r/20240609235134.614592-3-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-28 15:14:41 -07:00
Dmitry Torokhov
bf5cba8cf5 Input: rohm_bu21023 - switch to using sysfs_emit() 
sysfs_emit() is preferred over snprintf() for sysfs attribute handling.

Link: https://lore.kernel.org/r/20240609235134.614592-2-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-28 15:14:41 -07:00
Dmitry Torokhov
4a56aea539 Input: rohm_bu21023 - factor out settings update code 
The code to toggle axis swapping and inversion is repetitive and can
be factored out.

Link: https://lore.kernel.org/r/20240609235134.614592-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-28 15:14:40 -07:00
Dmitry Torokhov
03db8425cc Input: goodix_berlin - use __free() cleanup in SPI transport 
Switch the driver to use __free(kfree) cleanup facility instead of
freeing memory by hand.

Link: https://lore.kernel.org/r/Zmk1SGwVt3rIbbMU@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-28 15:09:05 -07:00
Dmitry Torokhov
68bf7a8cc5 Input: wacom_w8001 - use "guard" notation when acquiring mutex 
Switch the driver to use guard notation when acquiring mutex to
have it released automatically.

Link: https://lore.kernel.org/r/Zmkyvkr9AFyywy1V@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-28 15:06:29 -07:00
Dmitry Torokhov
19a3e16006 Merge branch 'ib/ads7846-hsync' into next 
Bring in ADS7846 hsync changes.
 2024-06-27 10:17:15 -07:00
Andrei Lalaev
866a5c7e27 Input: qt1050 - handle CHIP_ID reading error 
If the device is missing, we get the following error:

  qt1050 3-0041: ID -1340767592 not supported

Let's handle this situation and print more informative error
when reading of CHIP_ID fails:

  qt1050 3-0041: Failed to read chip ID: -6

Fixes: cbebf5adde ("Input: qt1050 - add Microchip AT42QT1050 support")
Signed-off-by: Andrei Lalaev <andrei.lalaev@anton-paar.com>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.kernel.org/r/20240617183018.916234-1-andrey.lalaev@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-25 09:13:08 -07:00
Andreas Kemnade
0ca1323c6a Input: edt-ft5x06 - add ft5426 
As ft5426 seems to be compatible with this driver, add it.
Debug output during identification: Model "generic ft5x06 (79)", Rev. "

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Oliver Graute <oliver.graute@kococonnector.com>
Link: https://lore.kernel.org/r/20240501204758.758537-3-andreas@kemnade.info
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-22 01:29:17 -07:00
Andreas Kemnade
2e23b7f3b7 dt-bindings: input: touchscreen: edt-ft5x06: Add ft5426 
Add compatible for ft5426.
Searches for documentation reveal neither edt nor evervision
as some related company, only FocalTech.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Oliver Graute <oliver.graute@kococonnector.com>
Link: https://lore.kernel.org/r/20240501204758.758537-2-andreas@kemnade.info
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-22 01:27:50 -07:00
Andreas Kemnade
f7b41baa10 Input: ektf2127 - add ektf2232 support 
The chip is similar, but has status bits at different positions,
so use the correct bits.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://lore.kernel.org/r/20240621224022.1620897-4-andreas@kemnade.info
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-22 00:58:44 -07:00
Andreas Kemnade
a65506057a dt-bindings: touchscreen: elan,ektf2127: Add EKTF2232 
Add a compatible for the EKTF2232, which is similar to other chips in this
document.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240621224022.1620897-3-andreas@kemnade.info
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-22 00:56:10 -07:00
Andreas Kemnade
dfb6040131 dt-bindings: touchscreen: convert elan,ektf2127 to json-schema 
Convert EKTF2127 infrared touchscreen controller binding to DT schema
and add ektf2232 compatible.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240621224022.1620897-2-andreas@kemnade.info
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-22 00:56:10 -07:00
Linus Walleij
8685f22b5b Input: ads7846 - handle HSYNC GPIO 
Add handling of HSYNC signal emitted by the TI ADS7846 if it is hooked
up to a GPIO.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240430-gpio-leds-miscarm-v1-3-9c94d7711f6c@linaro.org
[dtor: dropped Spitz changes, kept platform data wait_for_sync option]
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-21 15:23:50 -07:00
Linus Walleij
e7202f6467 dt-bindings: ads7846: Add hsync-gpios 
The TI ADS7846 emits a horizontal sync signal that is usually
connected to a GPIO for polling. Add a binding for this.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240430-gpio-leds-miscarm-v1-2-9c94d7711f6c@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-21 15:23:49 -07:00
Dmitry Torokhov
50717edb6d Input: adc-joystick - move axes data into the main structure 
There is no need to allocate axes information separately from the main
joystick structure so let's fold the allocation and also drop members
(such as range, flat and fuzz) that are only used during initialization
of the device.

Acked-by: Artur Rojek <contact@artur-rojek.eu>
Link: https://lore.kernel.org/r/ZmkrgTlxNwm_oHxv@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-21 10:16:40 -07:00
Dmitry Torokhov
703f12672e Input: ims-pcu - switch to using cleanup functions 
Start using __free() and guard() primitives to simplify the code
and error handling.

Link: https://lore.kernel.org/r/20240610041813.722445-2-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-20 14:57:08 -07:00
Dmitry Torokhov
204d18a7a0 Input: ims-pcu - use driver core to instantiate device attributes 
Instead of manually creating driver-specific device attributes
set struct usb_driver->dev_groups pointer to have the driver core
do it.

Link: https://lore.kernel.org/r/20240610041813.722445-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-20 14:57:08 -07:00
Javier Carrasco
daa268ae28 Input: ims-pcu - drop repeated "input" in error message 
This case of the common error message upon failure of
input_allocate_device() repeats the word "input".

Drop one "input" from the error message.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20240619-ims-pcu-counted_by-v1-2-3ee0ead2e57d@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2024-06-20 08:45:12 -07:00