Commit Graph

276018 Commits

Author SHA1 Message Date
Heiko Stübner
b18db3d912 Input: gpio_keys - fix struct device declared inside parameter list
A struct device parameter is used in the enable and disable callbacks to
distinguish between different gpio_keys devices.

Platforms that don't use these callbacks may not include struct device
at all, as seen on arch/arm/mach-s3c2410/mach-n30.c

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-02-01 09:13:11 -08:00
Heiko Stübner
42f578741b Input: evdev - fix variable initialisation
Commit 509f87c5f5 (evdev - do not block waiting for an event if fd
is nonblock) created a code path were it was possible to use retval
uninitialized.

This could lead to the xorg evdev input driver getting corrupt data
and refusing to work with log messages like
	AUO-Pixcir touchscreen: Read error: Success
	sg060_keys: Read error: Success
	AUO-Pixcir touchscreen: Read error: Success
	sg060_keys: Read error: Success
(for drivers auo-pixcir-ts and gpio-keys).

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Dima Zavin <dima@android.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-02-01 09:12:54 -08:00
Jussi Pakkanen
52965cc012 Input: bcm5974 - set BUTTONPAD property
Some bcm5974 trackpads have a physical button beneath the physical surface.
This patch sets the property bit so user space applications can detect the
trackpad type and act accordingly.

Signed-off-by: Jussi Pakkanen <jussi.pakkanen@canonical.com>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-10 23:14:13 -08:00
Dmitry Torokhov
4fa0771138 Input: serio_raw - return proper result when serio_raw_write fails
If serio_raw_write was always returning number of bytes successfully
sent to serio port and never signalled error condition to the caller.
Change it so that for completely failed transfers appropriate error
code returned to the caller (partially successful writes still return
number of bytes transferred).

Reported-by: Che-liang Chiou <clchiou@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-10 23:13:57 -08:00
Dmitry Torokhov
0c62fbf600 Input: serio_raw - really signal HUP upon disconnect
Commit 8c1c10d570 attempted to signal
POLLHUP | POLLERR condition when polling disconnected device,
unfortunately it did not do it quite correctly.

Reported-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-10 23:13:21 -08:00
Che-Liang Chiou
d89c9bcb33 Input: serio_raw - remove stray semicolon
Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-10 23:13:00 -08:00
Dmitry Torokhov
d3d25808df Input: revert some over-zealous conversions to module_platform_driver()
Recent conversion to module_platform_driver() went a bit too far and
converted not only drivers that used platform_driver_register() but
also ones using platform_driver_probe(), breaking them in process.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-10 23:12:46 -08:00
Dmitry Torokhov
da733563be Merge branch 'next' into for-linus 2012-01-08 23:38:23 -08:00
Naga Radhesh
dab78d7924 Input: tc3589x-keypad - add missing kerneldoc
This adds two missing kerneldoc entries for the TC3589x
keypad driver.

Signed-off-by: Naga Radhesh <naga.radheshy@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-04 22:20:09 -08:00
Dmitry Torokhov
bd100e2ca1 Input: ucb1400-ts - switch to using dev_xxx() for diagnostic messages
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-04 22:20:01 -08:00
Dmitry Torokhov
c899afedf1 Input: ucb1400_ts - convert to threaded IRQ
Instead of manually create and handler kernel thread switch to threaded
IRQ and let kernel IRQ core manage thread for us.

Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-04 22:19:55 -08:00
Dmitry Torokhov
75072323a2 Input: ucb1400_ts - drop inline annotations
Let compiler figure out which ones makes most sense to inline.

Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-04 22:19:51 -08:00
Dmitry Torokhov
9fea929121 Input: usb1400_ts - add __devinit/__devexit section annotations
Add __devinit/__devexit sections annotations so parts of code could be
discarded after completing driver initialization.

Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-04 22:19:47 -08:00
Dmitry Torokhov
8028e938ee Input: ucb1400_ts - set driver owner
So that it has proper symlink to the containing module in sysfs.

Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-04 22:19:43 -08:00
Dmitry Torokhov
3db8a537c6 Input: ucb1400_ts - convert to use dev_pm_ops
Instead of using legacy PM interfaces switch to using dev_pm_ops.

Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-01-04 22:19:37 -08:00
Dmitry Torokhov
ee9dfd7a1d Input: psmouse - make sure we do not use stale methods
Several protocol initialization routines can fail after they set up
psmouse methods, such as reconnect and disconnect. This may lead to
these stale methods used with different protocol that they were
intended to be used for and may cause unpredictavle behavior and/or
crashes.

Make sure we start with a clean slate before executing each and every
protocol detection and/or initialization routine.

Reported-by: Paul Fox <pgf@laptop.org>
Acked-by: Tai-hwa Liang <avatar@sentelic.com>
Acked-by: Paul Fox <pgf@laptop.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-30 15:26:36 -08:00
Dima Zavin
509f87c5f5 Input: evdev - do not block waiting for an event if fd is nonblock
If there is a full packet in the buffer, and we overflow that buffer
right after checking for that condition, it would have been possible
for us to block indefinitely (rather, until the next full packet) even if
the file was marked as O_NONBLOCK.

Cc: Jeff Brown <jeffbrown@android.com>
Signed-off-by: Dima Zavin <dima@android.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-30 15:26:35 -08:00
Dima Zavin
e90f869cae Input: evdev - if no events and non-block, return EAGAIN not 0
Signed-off-by: Dima Zavin <dima@android.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-30 15:26:35 -08:00
Dima Zavin
566cf5b6e3 Input: evdev - only allow reading events if a full packet is present
Without this, it was possible for the reader to get ahead of packet_head.
If the input device generated a partial packet *right* after the reader
got ahead, then we can get into a situation where the device is marked
readable, but read always returns 0 until the next packet is finished
(i.e a SYN is generated by the input driver).

This situation can also happen if we overflow the buffer while a reader
is trying to read an event out.

Signed-off-by: Dima Zavin <dima@android.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-30 15:26:34 -08:00
Jianchun Bian
36a281e252 Input: add driver for pixcir i2c touchscreens
This patch adds a driver for PIXCIR's I2C connected touchscreens.

Signed-off-by: Jianchun <jcbian@pixcir.com.cn>
Acked-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-30 15:25:52 -08:00
Mark Brown
48c98b1bb8 Input: samsung-keypad - implement runtime power management support
When runtime power management is enabled put the Samsung keypad driver
into suspend mode with wakeups disabled whenever the device is open but
a key is not actually been pressed. As well as saving a trivial amount of
power this will support the use of SoC wide idle modes which put the entire
device into a retention mode and use explicit wakeup sources to exit.

Since not all of the interrupt controllers used with the driver support
set_irq_wake() (though they all do the right thing) and there's a nasty
WARN() when we disable wake after failing to enable it keep track of the
current wake status from runtime PM and only disable wake if we managed
to enable it; I'm not entirely sure why this doesn't affect the existing
uses of the API in the driver.

System suspend is unaffected as the driver core will runtime resume any
suspended devices prior to system suspend.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

Conflicts:

	drivers/input/keyboard/samsung-keypad.c
2011-12-30 00:39:19 -08:00
Rakesh Iyer
fd0fc21350 Input: tegra-kbc - report wakeup key for some platforms
Tegra kbc cannot detect exact keypress causing wakeup in interrupt mode.
Allow wakeup keypress to be reported for certain platforms.

Signed-off-by: Rakesh Iyer <riyer@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-30 00:27:00 -08:00
Olof Johansson
a445c7f0af Input: tegra-kbc - add device tree bindings
This adds a simple device tree binding to the tegra keyboard controller.

Also, mark the default keymap as __devinitdata since it is not referenced
after boot.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-30 00:26:00 -08:00
Tai-hwa Liang
6ccbcf2cb4 Input: sentelic - fix retrieving number of buttons
Fixing wrong register offset which is used to retrieve the number of buttons
attached to the hardware.

Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-29 09:52:59 -08:00
Heiko Stübner
5245db49d4 Input: add driver for AUO In-Cell touchscreens using pixcir ICs
Some displays from AUO have a so called in-cell touchscreen, meaning it
is built directly into the display unit.

Touchdata is gathered through PIXCIR Tango-ICs and processed in an
Atmel ATmega168P with custom firmware. Communication between the host
system and ATmega is done via I2C.

Devices using this touch solution include the Dell Streak5 and the family
of Qisda ebook readers.

The driver reports single- and multi-touch events including touch area
values.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-27 21:22:18 -08:00
Heikki Krogerus
cd314fa637 Input: mpu3050 - configure the sampling method
This will improve the output of the sensor.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-24 01:06:19 -08:00
Heikki Krogerus
3b5187248b Input: mpu3050 - ensure we enable interrupts
This also changes the devname parameter delivered to
request_threaded_irq() from "mpu_int" to "mpu3050".

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-24 01:06:13 -08:00
Olof Johansson
e948981aa0 Input: mpu3050 - add of_match table for device-tree probing
Adding invn,mpu3050 as the initial id.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-24 01:06:06 -08:00
Tai-hwa Liang
d9bae67a7a Input: sentelic - release mutex upon register write failure
Make sure that mutex is released upon register writing failure.
This fixes boot freezing observed on ARM based OLPC
(http://dev.laptop.org/ticket/11357).

Signed-off-by: Paul Fox <pgf@laptop.org>
Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-23 01:15:31 -08:00
Tai-hwa Liang
e24f734ef1 Input: sentelic - document the latest hardware
- Add documentation for the Cx/Dx hardware release;
- Fix wrong register offset for retrieving button information;
- Document programming sequence for page register R/W;
- Document a couple of supported gesture IDs.

Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-23 01:15:16 -08:00
Jason Gerecke
246835fccd Input: wacom - add LED support for Cintiq 24HD
The Cintiq 24HD has three LEDs on the left side of the tablet and
three LEDs on the right side of the tablet. Switching to LED 0,
1, or 2 will enable the top, middle, or bottom LED for the respective
side. Switching to LED 3 turns off the LEDs on the respective side.

Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-12 00:14:21 -08:00
Jason Gerecke
803296b678 Input: wacom - add support for Cintiq 24HD
Adds support for the Cintiq 24HD. There are two quirks about this
model that haven't been seen in prior tablets. First, a second
touch ring is present on this display; it is being exposed via the
ABS_THROTTLE axis. Second, three capacitive buttons at the top of
the unit are available; though physically a touch strip, we report
the use of these buttons with generic KEY_ events.

Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-12 00:14:16 -08:00
Dmitry Torokhov
8521478f67 Input: synaptics - fix touchpad not working after S2R on Vostro V13
Synaptics touchpads on several Dell laptops, particularly Vostro V13
systems, may not respond properly to PS/2 commands and queries immediately
after resuming from suspend to RAM. This leads to unresponsive touchpad
after suspend/resume cycle.

Adding a 1-second delay after resetting the device allows touchpad to
finish initializing (calibrating?) and start reacting properly.

Reported-by: Daniel Manrique <daniel.manrique@canonical.com>
Tested-by: Daniel Manrique <daniel.manrique@canonical.com>
Cc: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-12 00:06:56 -08:00
Courtney Cavin
ff803ed4dd Input: add driver for Sharp gp2ap002a00f proximity sensor
This driver adds support for Sharp's GP2AP002A00F proximity sensor. The
proximity is measured as a binary switch, i.e. an object is either
detected or not detected. Hence, this driver is implemented as a switch
that reports SW_FRONT_PROXIMITY.

Reviewed-by: Datta Shubhrajyoti <shubhrajyoti@ti.com>
Signed-off-by: Courtney Cavin <courtney.cavin@sonyericsson.com>
Signed-off-by: Oskar Andero <oskar.andero@sonyericsson.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-12 00:03:36 -08:00
Axel Lin
aeec05171d Input: keyboard - staticise non-exported symbols
These symbols are not used outside it's driver so no need to
make the symbol global.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-12 00:03:00 -08:00
Axel Lin
18b2b1813f Input: mc13783-pwrbutton - convert to use module_platform_driver()
This patch converts mc13783-pwrbutton to use the module_platform_driver()
macro which makes the code smaller and a bit simpler.

Also staticise mc13783_pwrbutton_driver which is not used outside
this driver so no need to make the symbol global.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-12 00:02:51 -08:00
Dmitry Torokhov
ff4d049246 Input: migor-ts - rework probe() to simplify error path
Register input device last so that we do not have to reset
input device pointer after calling input_unregister_device().

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-12 00:02:31 -08:00
Dmitry Torokhov
ec20861260 Input: migor-ts - use proper client data accessor functions
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-12 00:02:27 -08:00
Dmitry Torokhov
468792eb1e Input: migor-ts - convert to a threaded IRQ
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-12 00:02:20 -08:00
Xi Wang
3a7f8fb1d8 Input: cma3000_d0x - fix signedness bug in cma3000_thread_irq()
The error check (intr_status < 0) didn't work because intr_status is
a u8.  Change its type to signed int.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-12 00:01:02 -08:00
Chris Bagwell
0d0e3064a8 Input: wacom - add product id used by Samsung Slate 7
New product ID reported by Harvey Braun on linuxwacom mailing list
and also tested this patch with new hardware.

Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Acked-by: Ping Cheng <pinglinux@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-12 00:00:55 -08:00
Dmitry Torokhov
e23ed600ba Input: htcpen - switch to DMI-based autoloading
Having module device table based on PNP id produces the following warning:

  CC      drivers/input/touchscreen/htcpen.o
drivers/input/touchscreen/htcpen.c:50: warning: 'pnp_ids' defined but not used

This happens because it is not a PNP driver, bit rather ISA driver and
pnp_ids table is not used anywhere. To fix this issue let's switch to
DMI-based module table instead,

Reported-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-11-30 23:41:44 -08:00
Jonathan Cameron
75255b29d4 Input: ad7879-i2c - use swapped variant of i2c_smbus_read_word_data
This variant was introduced in

i2c: boilerplate function for byte swapped smbus_write/read_word_data

This also has the side effect of ensuring any errors from the i2c
read and no longer mangled.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-11-30 23:41:44 -08:00
JJ Ding
cdcc96e261 Input: touchscreen - use macro module_platform_driver()
Commit 940ab88962 introduced a new macro to
save some platform_driver boilerplate code. Use it.

Signed-off-by: JJ Ding <dgdunix@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-11-30 23:41:43 -08:00
JJ Ding
24d2469a33 Input: serio - use macro module_platform_driver()
Commit 940ab88962 introduced a new macro to
save some platform_driver boilerplate code. Use it.

Signed-off-by: JJ Ding <dgdunix@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-11-30 23:41:43 -08:00
JJ Ding
4fcdeac5ac Input: mouse - use macro module_platform_driver()
Commit 940ab88962 introduced a new macro to
save some platform_driver boilerplate code. Use it.

Signed-off-by: JJ Ding <dgdunix@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-11-30 23:41:42 -08:00
JJ Ding
840a746be2 Input: misc - use macro module_platform_driver()
Commit 940ab88962 introduced a new macro to
save some platform_driver boilerplate code. Use it.

Signed-off-by: JJ Ding <dgdunix@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-11-30 23:41:42 -08:00
JJ Ding
5146c84f87 Input: keyboard - use macro module_platform_driver()
Commit 940ab88962 introduced a new macro to
save some platform_driver boilerplate code. Use it.

Signed-off-by: JJ Ding <dgdunix@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-11-30 23:41:41 -08:00
Heiko Stübner
3bfd5c5baf Input: add generic GPIO-tilt driver
There exist tilt switches that simply report their tilt-state via
some gpios. The number and orientation of their axes can vary
depending on the switch used and the build of the device. Also two
or more one-axis switches could be combined to provide multi-dimensional
orientation.

One example of a device using such a switch is the family of Qisda
ebook readers, where the switch provides information about the
landscape / portrait orientation of the device. The example in
Documentation/input/gpio-tilt.txt documents exactly this one-axis
device.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-11-30 23:41:16 -08:00
Lars-Peter Clausen
a6c61789c8 Input: remove redundant spi driver bus initialization
In ancient times it was necessary to manually initialize the bus field of an
spi_driver to spi_bus_type. These days this is done in spi_driver_register(),
so we can drop the manual assignment.

The patch was generated using the following coccinelle semantic patch:
// <smpl>
@@
identifier _driver;
@@
struct spi_driver _driver = {
	.driver = {
-		.bus = &spi_bus_type,
	},
};
// </smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-11-29 01:51:52 -08:00