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15 Commits

Author SHA1 Message Date
Alistair Francis
fafc66387d Input: wacom_i2c - clean up the query device fields 
Improve the query device fields to be more verbose.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
Link: https://lore.kernel.org/r/20211118123545.102872-1-alistair@alistair23.me
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2021-11-29 00:15:39 -08:00
Alistair Francis
91e2e76695 Input: wacom_i2c - use macros for the bit masks 
To make the code easier to read use macros for the bit masks.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
Link: https://lore.kernel.org/r/20211009113707.17568-2-alistair@alistair23.me
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2021-11-09 22:52:07 -08:00
Dmitry Torokhov
c75cf86201 Input: wacom_i2c - switch to using managed resources 
This simplifies error unwinding path and allows us to get rid of
remove() method.

Reviewed-by: Alistair Francis <alistair@alistair23.me>
Link: https://lore.kernel.org/r/20210321220043.318239-2-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2021-03-25 11:14:09 -07:00
Dmitry Torokhov
b6621f72cc Input: wacom_i2c - do not force interrupt trigger 
Instead of forcing interrupt trigger to "level low" rely on the
platform to set it up according to how it is wired on the given
board.

Reviewed-by: Alistair Francis <alistair@alistair23.me>
Link: https://lore.kernel.org/r/20210321220043.318239-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2021-03-25 11:14:09 -07:00
Fabio Estevam
78e45917bf Input: wacom_i2c - remove unneeded gpio.h header file 
There is no gpio functions used in the driver that is exported
by the gpio.h header, so remove this unneeded header.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20191026185958.24158-3-festevam@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2019-10-27 11:14:25 -07:00
Thomas Gleixner
83cde38357 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 55 
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 of 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 4 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190520071858.207758043@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-05-24 17:36:42 +02:00
Krzysztof Kozlowski
800e3b9a68 Input: drop owner assignment from i2c_driver 
i2c_driver does not need to set an owner because i2c_register_driver()
will set it.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2015-07-17 16:57:00 -07:00
Jingoo Han
02b6a58b83 Input: touchscreen - use __maybe_unused instead of ifdef around suspend/resume 
Use __maybe_unused instead of ifdef guards around suspend/resume
functions, in order to increase build coverage and fix build warnings.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2014-11-02 00:10:07 -07:00
Tatsunosuke Tobita
8855f30cd2 Input: wacom_i2c - implement hovering capability 
Although BTN_TOOL_PEN and BTN_TOOL_RUBBER functioned properly, the driver
didn't have hover functionality, so it's been added.

Also, "WACOM_RETRY_CNT" was not used, so it was removed.

Signed-off-by: Tatsunosuke Tobita <tobita.tatsunosuke@wacom.co.jp>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2013-06-18 23:19:00 -07:00
Bill Pemberton
e2619cf78e Input: remove use of __devexit 
CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2012-11-24 00:05:38 -08:00
Bill Pemberton
5298cc4cc7 Input: remove use of __devinit 
CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2012-11-24 00:05:19 -08:00
Bill Pemberton
1cb0aa8817 Input: remove use of __devexit_p 
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2012-11-24 00:03:48 -08:00
Dmitry Torokhov
8830cb88dd Input: wacom_i2c - fix compiler warning 
Apparently GCC can't figure out that we bail if we fail to query device
and will not try to use 'features':

drivers/input/touchscreen/wacom_i2c.c: In function ‘wacom_i2c_probe’:
drivers/input/touchscreen/wacom_i2c.c:177:20: warning: ‘features.fw_version’
	may be used uninitialized in this function [-Wmaybe-uninitialized]

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
 2012-07-07 16:41:12 -07:00
Dmitry Torokhov
d568778298 Input: wacom_i2c - do not use irq_to_gpio 
Because irq_to_gpio() is not available on many platforms let's switch
to level-triggered one-shot IRQs that will stay active as long as
there is data to be read.

Tested-by: Tobita Tatsunosuke <tobita.tatsunosuke@wacom.co.jp>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
 2012-04-10 00:42:15 -07:00
Tatsunosuke Tobita
5a966261c0 Input: add support for Wacom Stylus device with I2C interface 
This adds support for Wacom Stylus device with I2C interface.

[Dan Carpenter <dan.carpenter@oracle.com>: fix NULL-pointer dereference
 in error handling path.]
Signed-off-by: Tatsunosuke Tobita <tobita.tatsunosuke@wacom.co.jp>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
 2012-04-04 09:24:23 -07:00