linux-toradex.git/drivers/hid/hid-alps.c, branch v5.8-rc2

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

2020-06-10T20:51:47+00:00

Pull input updates from Dmitry Torokhov:

 - a new driver for the Azoteq IQS269A capacitive touch controller

 - a new driver for the Cypress CY8CTMA140 touchscreen

 - updates to Elan and ft5x06 touchscreen drivers

 - assorted driver fixes

 - msm-vibrator has been removed as we have a more generic solution

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (28 commits)
  Input: adi - work around module name confict
  Input: iqs269a - add missing I2C dependency
  Input: elants - refactor elants_i2c_execute_command()
  Input: elants - override touchscreen info with DT properties
  Input: elants - remove unused axes
  Input: add support for Azoteq IQS269A
  dt-bindings: input: Add bindings for Azoteq IQS269A
  Input: imx_sc_key - use devm_add_action_or_reset() to handle all cleanups
  Input: remove msm-vibrator driver
  dt-bindings: Input: remove msm-vibrator
  Input: elants_i2c - provide an attribute to show calibration count
  Input: introduce input_mt_report_slot_inactive()
  dt-bindings: input: touchscreen: elants_i2c: convert to YAML
  Input: add driver for the Cypress CY8CTMA140 touchscreen
  dt-bindings: touchscreen: Add CY8CTMA140 bindings
  Input: edt-ft5x06 - prefer asynchronous probe
  Input: edt-ft5x06 - improve power management operations
  Input: edt-ft5x06 - move parameter restore into helper
  Input: edt-ft5x06 - fix get_default register write access
  Input: atkbd - receive and use physcode->keycode mapping from FW
  ...

Input: introduce input_mt_report_slot_inactive()

2020-05-12T20:18:26+00:00

input_mt_report_slot_state() ignores "tool" argument when the slot is
closed, which has caused a bit of confusion. Let's introduce
input_mt_report_slot_inactive() to report inactive slot state.

Suggested-by: Dmitry Torokhov 
Signed-off-by: Jiada Wang 
Link: https://lore.kernel.org/r/20200508055656.96389-2-jiada_wang@mentor.com
Signed-off-by: Dmitry Torokhov

HID: alps: ALPS_1657 is too specific; use U1_UNICORN_LEGACY instead

2020-04-15T12:51:42+00:00

HID_DEVICE_ID_ALPS_1657 PID is too specific, as there are many other
ALPS hardware IDs using this particular touchpad.

Rename the identifier to HID_DEVICE_ID_ALPS_U1_UNICORN_LEGACY in order
to describe reality better.

Fixes: 640e403b1fd24 ("HID: alps: Add AUI1657 device ID")
Reported-by: Xiaojian Cao 
Signed-off-by: Jiri Kosina

HID: alps: Add AUI1657 device ID

2020-04-14T09:21:48+00:00

This device is used on Lenovo V130-15IKB variants and uses
the same registers as U1.

Signed-off-by: Artem Borisov 
Signed-off-by: Jiri Kosina

HID: alps: Fix an error handling path in 'alps_input_configured()'

2020-02-12T14:06:19+00:00

They are issues:
   - if 'input_allocate_device()' fails and return NULL, there is no need
     to free anything and 'input_free_device()' call is a no-op. It can
     be axed.
   - 'ret' is known to be 0 at this point, so we must set it to a
     meaningful value before returning

Fixes: 2562756dde55 ("HID: add Alps I2C HID Touchpad-Stick support")
Signed-off-by: Christophe JAILLET 
Signed-off-by: Jiri Kosina

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30T18:26:32+00:00

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 
Reviewed-by: Allison Randal 
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman

HID: alps: allow incoming reports when only the trackstick is opened

2018-10-26T15:27:13+00:00

If userspace only reads the trackstick node, and no one is listening to
the touchpad nor the hidraw node then, the device is not powered on.

Add open/close callbacks to allow users to disable the touchpad in Gnome
while keeping the trackstick active.

Link: https://bugzilla.redhat.com/show_bug.cgi?id=1559632
Link: https://gitlab.gnome.org/GNOME/mutter/issues/128
Signed-off-by: Benjamin Tissoires 
Signed-off-by: Jiri Kosina

HID: alps: Fix some style in 't4_read_write_register()'

2018-04-26T12:33:35+00:00

Better indent the code to improve readability.

Signed-off-by: Christophe JAILLET 
Signed-off-by: Jiri Kosina

HID: alps: Check errors returned by 't4_read_write_register()'

2018-04-26T12:33:35+00:00

If only the first 't4_read_write_register()' call fails, the error code
will be overwritten and lost.
Directly report the error instead.

While at it, log some errors if 't4_read_write_register()' fails, as done
in the rest of the driver.

Signed-off-by: Christophe JAILLET 
Signed-off-by: Jiri Kosina

HID: alps: Save a memory allocation in 't4_read_write_register()' when writing data

2018-04-26T12:33:35+00:00

if 'read_flag' is false, there is no need to allocate and free memory.
We can simply avoid the memory allocation and pass NULL to kfree.

Signed-off-by: Christophe JAILLET 
Signed-off-by: Jiri Kosina