Commit Graph

285 Commits

Author SHA1 Message Date
Silvan Jegen
d63b0f0c0f Input: xpad - add Mad Catz FightStick TE 2 VID/PID
This adds the VID/PID combination for the Xbox One version of the Mad
Catz FightStick TE 2.

The functionality that this provides is about on par with what the
Windows drivers for the stick manage to deliver.

What works:
- Digital stick
- 6 main buttons
- Xbox button
- The two buttons on the back
- The locking buttons (preventing accidental Xbox button press)

What doesn't work:
- Two of the main buttons (don't work on Windows either)
- The "Haptic" button setting does not have an effect (not sure if it
  works on Windows)

I added the MAP_TRIGGERS_TO_BUTTONS option but in my (limited) testing
there was no practical difference with or without. The FightStick does
not have triggers though so adding it makes sense.

Signed-off-by: Silvan Jegen <s.jegen@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-04-05 09:49:17 -07:00
Arnd Bergmann
a6ed4a18ba Input: xpad - remove unused function
There are two definitions of xpad_identify_controller(), one is used
when CONFIG_JOYSTICK_XPAD_LEDS is set, but the other one is empty
and never used, and we get a gcc warning about it:

drivers/input/joystick/xpad.c:1210:13: warning: 'xpad_identify_controller' defined but not used [-Wunused-function]

This removes the second definition.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: cae705baa4 ("Input: xpad - re-send LED command on present event")
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-01-27 15:55:06 -08:00
Dmitry Torokhov
b26a95d435 Merge branch 'next' into for-linus
Prepare second round of input updates for 4.5 merge window.
2016-01-21 17:27:27 -08:00
Pavel Rojtberg
95162dc849 Input: xpad - correct xbox one pad device name
Apparently the Covert Forces ID is not Covert Forces pad exclusive, but
rather denotes a new firmware version that can be found on all new
controllers and can be also updated on old hardware using Windows 10.

see: https://github.com/paroj/xpad/issues/19

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-01-12 16:28:44 -08:00
Dmitry Torokhov
009f773836 Merge branch 'next' into for-linus
Prepare first round of input updates for 4.5 merge window.
2016-01-11 17:47:25 -08:00
Dmitry Torokhov
d9be398afb Input: xpad - use LED API when identifying wireless controllers
When lighting up the segment identifying wireless controller, Instead of
sending command directly to the controller, let's do it via LED API (usinf
led_set_brightness) so that LED object state is in sync with controller
state and we'll light up the correct segment on resume as well.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-01-04 14:35:15 -08:00
Pavel Rojtberg
4220f7db1e Input: xpad - workaround dead irq_out after suspend/ resume
The irq_out urb is dead after suspend/ resume on my x360 wr pad. (also
reproduced by Zachary Lund [0]) Work around this by implementing
suspend, resume, and reset_resume callbacks and properly shutting down
URBs on suspend and restarting them on resume.

[0]: https://github.com/paroj/xpad/issues/6

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-01-04 14:35:06 -08:00
Pierre-Loup A. Griffais
2a6d7527b3 Input: xpad - update Xbox One Force Feedback Support
There's apparently a serial number woven into both input and output
packets; neglecting to specify a valid serial number causes the controller
to ignore the rumble packets.

The scale of the rumble was also apparently halved in the packets.

The initialization packet had to be changed to allow force feedback to
work.

see https://github.com/paroj/xpad/issues/7 for details.

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-01-04 11:39:46 -08:00
Pavel Rojtberg
7fc595f4c0 Input: xpad - correctly handle concurrent LED and FF requests
Track the status of the irq_out URB to prevent submission iof new requests
while current one is active. Failure to do so results in the "URB submitted
while active" warning/stack trace.

Store pending brightness and FF effect in the driver structure and replace
it with the latest requests until the device is ready to process next
request. Alternate serving LED vs FF requests to make sure one does not
starve another. See [1] for discussion. Inspired by patch of Sarah Bessmer
[2].

[1]: http://www.spinics.net/lists/linux-input/msg40708.html
[2]: http://www.spinics.net/lists/linux-input/msg31450.html

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-01-04 11:39:38 -08:00
Pierre-Loup A. Griffais
09c8b00ae3 Input: xpad - handle "present" and "gone" correctly
Handle the "a new device is present" message properly by dynamically
creating the input device at this point in time. This means we now do not
"preallocate" all 4 devices when a single wireless base station is seen.
This requires a workqueue as we are in interrupt context when we learn
about this.

Also properly disconnect any devices that we are told are removed.

Signed-off-by: "Pierre-Loup A. Griffais" <pgriffais@valvesoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-12-16 17:11:30 -08:00
Clement Calmels
93a017aa2f Input: xpad - remove spurious events of wireless xpad 360 controller
When powering up a wireless xbox 360 controller, some wrong joystick
events are generated. It is annoying because, for example, it makes
unwanted moves in Steam big picture mode's menu.

When my controller is powering up, this packet is received by the
driver:
00000000: 00 0f 00 f0 00 cc ff cf 8b e0 86 6a 68 f0 00 20  ...........jh..
00000010: 13 e3 20 1d 30 03 40 01 50 01 ff ff              .. .0.@.P...

According to xboxdrv userspace driver source code, this packet is only
dumping a serial id and should not be interpreted as joystick events.
This issue can be easily seen with jstest:
$ jstest --event /dev/input/js0

This patch only adds a way to filter out this "serial" packet and as a
result it removes the spurous events.

Signed-off-by: Clement Calmels <clement.calmels@free.fr>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-12-16 17:11:29 -08:00
Sudip Mukherjee
d1f2a031ab Input: walkera0701 - clear unused function pointers
walkera0701_parport_cb is a local uninitialized structure and the member
function pointers will be pointing to arbitrary locations unless they
are cleared.

Fixes: 221bcb24c6 ("Input: walkera0701 - use parallel port device model")
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-11-17 10:00:15 -08:00
Sudip Mukherjee
3855e9e4d3 Input: turbografx - clear unused function pointers
tgfx_parport_cb is a local uninitialized structure and the member
function pointers will be pointing to arbitrary locations unless they
are cleared.

Fixes: 4de27a638a ("Input: turbografx - use parallel port device model")
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-11-17 10:00:14 -08:00
Sudip Mukherjee
eb12a5f51f Input: gamecon - clear unused function pointers
gc_parport_cb is a local uninitialized structure and the member
function pointers will be pointing to arbitrary locations unless they
are cleared.

Fixes: a517e87c3d ("Input: gamecon - use parallel port device model")
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-11-17 10:00:13 -08:00
Sudip Mukherjee
42beaccb2a Input: db9 - clear unused function pointers
db9_parport_cb is a local uninitialized structure and the member
function pointers will be pointing to arbitrary locations unless they
are cleared.

Fixes: 2260c419b5 ("Input: db9 - use parallel port device model")
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-11-17 10:00:12 -08:00
Andrew Morton
79211c8ed1 remove abs64()
Switch everything to the new and more capable implementation of abs().
Mainly to give the new abs() a bit of a workout.

Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-09 15:11:24 -08:00
Pavel Rojtberg
fbe6a31144 Input: xpad - fix clash of presence handling with LED setting
Do not call xpad_identify_controller at init with wireless devices: it
conflicts with the already sent presence packet and will be called by
xpad360w_process_packet as needed anyway.

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-19 00:11:22 -07:00
Pavel Rojtberg
aba54876bb Input: xpad - query wireless controller state at init
When we initialize the driver/device, we really don't know how many
controllers are connected.  So send a "query presence" command to the
base-station. (Command discovered by Zachary Lund)

Presence packet taken from:

https://github.com/computerquip/xpad5

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-10 11:27:42 -07:00
Pierre-Loup A. Griffais
b8154002cb Input: xpad - move the input device creation to a new function
To allow us to later create / destroy the input device from the urb
callback, we need to initialize/ deinitialize the input device from a
separate function.  So pull that logic out now to make later patches
more "obvious" as to what they do.

Signed-off-by: "Pierre-Loup A. Griffais" <pgriffais@valvesoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-10 11:27:30 -07:00
Pavel Rojtberg
5ee8bda943 Input: xpad - x360w: report dpad as buttons and axes
as discussed here[0], x360w is the only pad that maps dpad_to_button.
This is bad for downstream developers as they have to differ between
x360 and x360w which is not intuitive.

This patch implements the suggested solution of exposing the dpad both
as axes and as buttons. This retains backward compatibility with software
already dealing with the difference while makes new software work as
expected across x360/ x360w pads.

[0] http://www.spinics.net/lists/linux-input/msg34421.html

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-10 11:27:29 -07:00
Pavel Rojtberg
060081529c Input: xpad - factor out URB submission in xpad_play_effect
Move submission logic to a single point at the end of the function.
This makes it easy to add locking/ queuing code later on.

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-10 11:27:29 -07:00
Pavel Rojtberg
a306a65f46 Input: xpad - remove needless bulk out URB used for LED setup
This code was probably wrong ever since and is redundant with
xpad_send_led_command. Both try to send a similar command to the xbox360
controller. However xpad_send_led_command correctly uses the pad_nr instead
of bInterfaceNumber to select the led and re-uses the irq_out URB instead
of creating a new one.

Note that this change only affects the two supported wireless controllers.
Tested using the xbox360 wireless controller (PC).

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-10 11:27:28 -07:00
Pavel Rojtberg
e3b651745a Input: xpad - use ida() for finding the pad_nr
The pad_nr corresponds to the lit up LED on the controller. Therefore there
should be no gaps when enumerating. Currently a LED is only re-assigned
after a controller is re-connected 4 times.

This patch uses ida to track connected pads - this way we can re-assign
freed up pad number immediately.

Consider the following case:
1. pad A is connected and gets pad_nr = 0
2. pad B is connected and gets pad_nr = 1
3. pad A is disconnected
4. pad A is connected again

using ida_simple_get() controller A now correctly gets pad_nr = 0 again.

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-10 11:27:06 -07:00
Pavel Rojtberg
1f6f02b728 Input: xpad - clarify LED enumeration
Rename led_no -> pad_nr: the number stored there is not the LED number - it
gets translated later on to a LED number in xpad_identify_controller;

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-10 11:27:06 -07:00
Dario Scarpa
470446ecef Input: xpad - fix Razer Atrox Arcade Stick button mapping
The "Razer Atrox Arcade Stick" features 10 buttons, and two of them (LT/RT)
don't work properly.  Change its definition in xpad_device[] (mapping
field) to fix.

Signed-off-by: Dario Scarpa <dario.scarpa@duskzone.it>
Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-10 11:27:05 -07:00
Erik Lundgren
39a7a88872 Input: xpad - add Covert Forces edition of the Xbox One controller
It is identical to the Xbox One controller but has a different product ID.

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-10 11:27:05 -07:00
Dmitry Torokhov
7b415285ae Linux 4.3-rc4
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Merge tag 'v4.3-rc4' into next

Merge with mainline to sync up with changes to parkbd driver.
2015-10-05 17:36:38 -07:00
Sudip Mukherjee
c65cf81565 Input: turbografx - store object in correct index
The variable i is used to check the port to attach to and we are
supposed to save the reference of struct tgfx in the location given by
tgfx_base[i]. But after finding out the index, i is getting modified
again so we saved in a wrong index.

Fixes: 4de27a638a ("Input: turbografx - use parallel port device model")
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-05 17:34:57 -07:00
Sudip Mukherjee
c36906c53c Input: gamecon - store object at correct index
The variable i is used to check the port to attach to and we are
supposed to save the reference of struct gc in the location given by
gc_base[i]. But after finding out the index, i is getting modified again
so we saved in a wrong index.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: a517e87c3d ("Input: gamecon - use parallel port device model")
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-05 17:34:56 -07:00
Sudip Mukherjee
dd23bf1044 Input: db9 - store object at correct index
The variable i is used to check the port to attach to and we are
supposed to save the reference of struct db9 in the location given by
db9_base[i]. But after finding out the index, i is getting modified again
so we saved in a wrong index.
While at it mark db9_base[i] as NULL after it is freed.

Fixes: 2260c419b5 ("Input: db9 - use parallel port device model")
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-05 17:34:56 -07:00
Linus Torvalds
978ab6a009 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer fixes from Dmitry Torokhov:
 "Fixes for two recent regressions (in Synaptics PS/2 and uinput
  drivers) and some more driver fixups"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Revert "Input: synaptics - fix handling of disabling gesture mode"
  Input: psmouse - fix data race in __ps2_command
  Input: elan_i2c - add all valid ic type for i2c/smbus
  Input: zhenhua - ensure we have BITREVERSE
  Input: omap4-keypad - fix memory leak
  Input: serio - fix blocking of parport
  Input: uinput - fix crash when using ABS events
  Input: elan_i2c - expand maximum product_id form 0xFF to 0xFFFF
  Input: elan_i2c - add ic type 0x03
  Input: elan_i2c - don't require known iap version
  Input: imx6ul_tsc - fix controller name
  Input: imx6ul_tsc - use the preferred method for kzalloc()
  Input: imx6ul_tsc - check for negative return value
  Input: imx6ul_tsc - propagate the errors
  Input: walkera0701 - fix abs() calculations on 64 bit values
  Input: mms114 - remove unneded semicolons
  Input: pm8941-pwrkey - remove unneded semicolon
  Input: fix typo in MT documentation
  Input: cyapa - fix address of Gen3 devices in device tree documentation
2015-10-02 17:53:25 -04:00
Andrew Morton
09a59a9d57 drivers/input/joystick/Kconfig: zhenhua.c needs BITREVERSE
It uses bitrev8(), so it must ensure that lib/bitrev.o gets included in
vmlinux.

Cc: Fengguang Wu <fengguang.wu@gmail.com>
Cc: yalin wang <yalin.wang2010@gmail.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-10-01 21:42:35 -04:00
Dmitry Torokhov
8f697e5740 Linux 4.3-rc3
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Merge tag 'v4.3-rc3' into next

Merge with Linux 4.3-rc3 to bring in MFD DA9062 changes to merge DA9062
OnKey driver.
2015-09-29 16:28:52 -07:00
Sudip Mukherjee
221bcb24c6 Input: walkera0701 - use parallel port device model
Modify walkera0701 driver to use the new Parallel Port device model.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-09-29 16:12:00 -07:00
Sudip Mukherjee
4de27a638a Input: turbografx - use parallel port device model
Modify turbografx driver to use the new Parallel Port device model.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-09-29 16:09:37 -07:00
Sudip Mukherjee
a517e87c3d Input: gamecon - use parallel port device model
Modify gamecon driver to use the new Parallel Port device model.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-09-29 16:09:37 -07:00
Andrew Morton
d3b367bc26 Input: zhenhua - ensure we have BITREVERSE
It uses bitrev8(), so it must ensure that lib/bitrev.o gets included in
vmlinux.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-09-28 16:42:34 -07:00
Sudip Mukherjee
2260c419b5 Input: db9 - use parallel port device model
Modify db9 driver to use the new Parallel Port device model.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Tested-By: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-09-28 16:12:17 -07:00
Dmitry Torokhov
46b018fa95 Input: walkera0701 - fix abs() calculations on 64 bit values
abs() function can not be used with 64 bit values, so let's switch to
abs64(). From include/linux/kernel.h:

/*
 * abs() handles unsigned and signed longs, ints, shorts and chars.
 * For all input types abs() returns a signed long.
 * abs() should not be used for 64-bit types (s64, u64, long long)
 * - use abs64() for those.
 */

Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-09-19 11:39:47 -07:00
Linus Torvalds
51e771c0d2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:
 "Drivers, drivers, drivers...  No interesting input core changes this
  time"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (74 commits)
  Input: elan_i2c - use iap_version to get firmware information
  Input: max8997_haptic - fix module alias
  Input: elan_i2c - fix typos for validpage_count
  Input: psmouse - add small delay for IBM trackpoint pass-through mode
  Input: synaptics - fix handling of disabling gesture mode
  Input: elan_i2c - enable ELAN0100 acpi panels
  Input: gpio-keys - report error when disabling unsupported key
  Input: sur40 - fix error return code
  Input: sentelic - silence some underflow warnings
  Input: zhenhua - switch to using bitrev8()
  Input: cros_ec_keyb - replace KEYBOARD_CROS_EC dependency
  Input: cap11xx - add LED support
  Input: elants_i2c - fix for devm_gpiod_get API change
  Input: elan_i2c - enable asynchronous probing
  Input: elants_i2c - enable asynchronous probing
  Input: elants_i2c - wire up regulator support
  Input: do not emit unneeded EV_SYN when suspending
  Input: elants_i2c - disable idle mode before updating firmware
  MAINTAINERS: Add maintainer for atmel_mxt_ts
  Input: atmel_mxt_ts - remove warning on zero T44 count
  ...
2015-09-04 12:02:11 -07:00
Dmitry Torokhov
01b944fe1c Merge branch 'next' into for-linus
Prepare first round of input updates for 4.3 merge window.
2015-09-03 10:01:44 -07:00
Yalin Wang
012bd2a533 Input: zhenhua - switch to using bitrev8()
Instead of custom zhenhua_bitreverse() let's use generic bitrev8().

Signed-off-by: Yalin Wang <yalin.wang2010@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-08-20 17:44:34 -07:00
Ingo Molnar
a5dd192496 Merge branch 'x86/urgent' into x86/asm to fix up conflicts and to pick up fixes
Conflicts:
	arch/x86/entry/entry_64_compat.S
	arch/x86/math-emu/get_address.c

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-08-18 09:39:47 +02:00
Dmitry Torokhov
c20bc5502d Input: turbografx - fix potential out of bound access
Patch 17dd3f0f7a: "[PATCH] drivers/input/joystick: convert to dynamic
input_dev allocation" from Sep 15, 2005, leads to the following static
checker warning:

        drivers/input/joystick/turbografx.c:235 tgfx_probe()
        error: buffer overflow 'tgfx_buttons' 5 <= 5

drivers/input/joystick/turbografx.c
   195          for (i = 0; i < n_devs; i++) {
   196                  if (n_buttons[i] < 1)
   197                          continue;
   198
   199                  if (n_buttons[i] > 6) {
                            ^^^^^^^^^^^^^^^^
Possibly off by one.  >= 6.

Let's change the upper value to ARRAY_SIZE(tgfx_buttons) to ensure we do
not reach past the end of the array.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-08-03 14:11:45 -07:00
Andy Lutomirski
4ea1636b04 x86/asm/tsc: Rename native_read_tsc() to rdtsc()
Now that there is no paravirt TSC, the "native" is
inappropriate. The function does RDTSC, so give it the obvious
name: rdtsc().

Suggested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Huang Rui <ray.huang@amd.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kvm ML <kvm@vger.kernel.org>
Link: http://lkml.kernel.org/r/fd43e16281991f096c1e4d21574d9e1402c62d39.1434501121.git.luto@kernel.org
[ Ported it to v4.2-rc1. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-07-06 15:23:28 +02:00
Andy Lutomirski
016bfc449a x86/asm/tsc, input/joystick/analog: Switch from rdtscl() to native_read_tsc()
This timing code is hideous, and this doesn't help.  It gets rid
of one of the last users of rdtscl(), though.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Huang Rui <ray.huang@amd.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kvm ML <kvm@vger.kernel.org>
Cc: linux-input@vger.kernel.org
Link: http://lkml.kernel.org/r/90d19b3cea0e05ca6f333d1598daa38afb993260.1434501121.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-07-06 15:23:28 +02:00
Pavel Rojtberg
cae705baa4 Input: xpad - re-send LED command on present event
The controller only receives commands when its present. So for the
correct LED to be lit the LED command has to be sent on the present
event.

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-06-22 14:24:58 -07:00
Pierre-Loup A. Griffais
75b7f05d27 Input: xpad - set the LEDs properly on XBox Wireless controllers
Based on Patch by Pierre-Loup A. Griffais <pgriffais@valvesoftware.com>:
Add the logic to set the LEDs on XBox Wireless controllers.  Command
sequence found by sniffing the Windows data stream when plugging the
device in.

Updated based on comments on linux-input:
unify codepaths in xpad_send_led_command for wired/ wireless controller.
Also document command values for clarification.
All values tested on Xbox 360 Wireless Controller.

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-06-22 14:24:57 -07:00
Ming-ting Yao Wei
0604949ce3 Input: xpad - add rumble support for Xbox One controller
This adds rumble support for Xbox One controller by sending continuous
rumble command. Trigger button rumbling is not yet implemented.

Signed-off-by: Ming-ting Yao Wei <mwei@lxde.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-04-14 17:01:53 -07:00
Markus Elfring
de3748f66f Input: adi - remove an unnecessary check
The input_free_device() function tests whether its argument is NULL and
then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-02-11 23:07:13 -08:00