- 30 May, 2019 1 commit
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Thomas Gleixner authored
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 this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Reviewed-by:
Allison Randal <allison@lohutok.net> Reviewed-by:
Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.deSigned-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 13 Feb, 2019 1 commit
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Jarrad Whitaker authored
The Logitech WingMan Formula GP by default presents a combined accelerate/brake axis, so this patch assigns it to hid-logitech in order to benefit from the axis-splitting logic in lg4ff. There is also a fixed report descriptor for the resulting report. Signed-off-by:
Jarrad Whitaker <jarrad.whitaker@gmail.com> Signed-off-by:
Jiri Kosina <jkosina@suse.cz>
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- 19 Oct, 2017 1 commit
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Colin Ian King authored
The pointer value is being assigned a value and this is never read, and later on it is being assigned a new value. This the first assignment is redundant and can be removed and hence also the variables report and report_list. Cleans up the clang warning: Value stored to 'value' during its initialization is never read Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
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- 26 Sep, 2016 4 commits
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Simon Wood authored
Move ForceFeedback support for the Formula Force GP into hid-lgff4 and re-write HID descriptor, thus allowing combined pedals or not as user desires. Signed-off-by:
Simon Wood <simon@mungewell.org> Signed-off-by:
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Simon Wood authored
Add support for computing a combined accelerator/brake axis for wheels which don't contain combined data in their HID stream. This includes DFGT, G25, G27, G29 and Wii-Wheel. Signed-off-by:
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Simon Wood authored
Add support for reporting a combined accelerator/brake axis for wheels which contain combined data in their HID stream. This includes DF, MOMO, MOMO2 and DFP. Signed-off-by:
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Simon Wood authored
Introduce a dev_attr which can be used to combine the accelerator and brake pedals into a single axis. This is useful for older games which can not handle seperate accelerator and brake. Signed-off-by:
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- 28 Dec, 2015 2 commits
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Geliang Tang authored
Use to_hid_device() instead of container_of(). Signed-off-by:
Geliang Tang <geliangtang@163.com> Signed-off-by:
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Geliang Tang authored
to_hid_device() macro is defined in both hid-lg4ff.c and hid-logitech-hidpp.c. So I move it to include/linux/hid.h. Signed-off-by:
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- 06 Nov, 2015 2 commits
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Simon Wood authored
At present the G29 is mis-identified as a DFGT, this patch ensures that the wheel is correctly detected and allows setting the LEDs and turning range via the '/sys' interface. This wheel can also emulate other types of Logitech wheels. Signed-off-by:
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Simon Wood authored
Simplfy how hid-logitech driver detects the native mode of the wheel, done by looking at the USB-ID revision and comparing bit mask. Signed-off-by:
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- 07 May, 2015 12 commits
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Michal Malý authored
Allow the driver to continue without sysfs interface. Instead of bailing out allow the driver to continue in a degraded mode. Signed-off-by:
Michal Malý <madcatxster@devoid-pointer.net> Signed-off-by:
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Michal Malý authored
Constify those members of lg4ff_device_entry struct whose value is not supposed to change. Signed-off-by:
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Michal Malý authored
Store pointer to the output HID report struct in the device entry struct. This eliminates the need to look the HID report struct up every time it is needed. Signed-off-by:
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Michal Malý authored
Protect concurrent access to output HID report with a spinlock. The HID report structure used to submit commands to wheels is shared amongst all functions that need to do so and some of these functions can be executed in parallel. Additionally, lg4ff_play() can be called from interrupt context by ff-memless module. Locking is necessary to prevent sending bogus data to the wheels. Signed-off-by:
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Michal Malý authored
Stop the hid device from lg4ff. Originally hid-lg was responsible for stopping of the device. Signed-off-by:
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Michal Malý authored
Make lg4ff_wheel_data a separate structure stored within lg4ff_device_entry. Adjust the initialization process accordingly. Signed-off-by:
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Michal Malý authored
Update a warning message for a case where device is incorrectly flagged to be handled by hid-lg4ff in hid-lg. The original warning message was highly misleading. This warning can be triggered only if a device is flagged to be handled by hid-lg4ff in hid-lg but hid-lg4ff lacks support for such device. Signed-off-by:
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Michal Malý authored
Explicit casts from void * are not necessary. Signed-off-by:
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Michal Malý authored
Remove unused variable from the "lg4ff_device_entry" struct. This is a leftover from times where hid_get|set_drvdata() was not available to hid-lg4ff so it had to keep track of the devices it managed by itself. Signed-off-by:
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Michal Malý authored
HID: hid-lg4ff: Replace DEVICE_ATTR_RW with DEVICE_ATTR to have all internal functions prefixed with "lg4ff_" Replace DEVICE_ATTR_RW with DEVICE_ATTR to have all internal functions prefixed with "lg4ff_". All internal functions should be prefixed with just "lg4ff_". Usage of DEVICE_ATTR_RW breaks this scheme because it expects the functions' names to match the name of the respective sysfs entry. This partially reverts "2f1cec32" Signed-off-by:
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Michal Malý authored
Remove "hid_" prefix from some functions' names. All internal functions of hid-lg4ff should be prefixed with just "lg4ff_" Signed-off-by:
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Michal Malý authored
Remove double underscore prefix from numeric types. This code will never be used outside the kernel so the prefixes are unnecessary. Signed-off-by:
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- 18 Feb, 2015 5 commits
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Michal Malý authored
Fix "undefined reference" build issue with CONFIG_USB disabled; make the driver use generic HID API instead. Reported-by:
kbuild test robot <fengguang.wu@intel.com> Signed-off-by:
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Michal Malý authored
Allow switching of Logitech gaming wheels between available compatibility modes through sysfs. This only applies to multimode wheels. Signed-off-by:
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Michal Malý authored
Introduce a module parameter to disable automatic switch of Logitech gaming wheels from compatibility to native mode. This only applies to multimode wheels. Signed-off-by:
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Michal Malý authored
Display the real wheel model and supported alternate modes through sysfs. This applies only to multimode wheels. Signed-off-by:
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Michal Malý authored
Identify Logitech gaming wheels in compatibility modes accordingly to Logitech specifications. Logitech specification contains a general method of identifying various models of their gaming wheels while they are in "compatibility" mode. This patch implements the method instead of checking against known values of bcdDevice. Handling of the mode switch upon initialization is also adjusted so that the driver does not have to go through the entire initialization routine because the wheels are set to perform a USB detach before they reappear in "native" mode. Signed-off-by:
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- 19 Jan, 2015 2 commits
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Vivien Didelot authored
Use the DEVICE_ATTR_RW macro to reduce boiler plate and move the attribute declaration to get rid of function signatures. Signed-off-by:
Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by:
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Vivien Didelot authored
There is no reason to set the range attribute executable to the user and group, and writable to the group. Fix the permission to 0644. Signed-off-by:
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- 15 Aug, 2014 1 commit
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Simon Wood authored
If the device data is not accessible for some reason, returning 0 will cause the call to be continuously called again as none of the string has been 'consumed'. Signed-off-by:
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- 14 May, 2014 1 commit
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Rusty Russell authored
In line with practice for module parameters, we're adding a build-time check that sysfs files aren't world-writable. Cc: Simon Wood <simon@mungewell.org> Signed-off-by:Rusty Russell <rusty@rustcorp.com.au>
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- 14 Mar, 2014 1 commit
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Simon Wood authored
It has been reported that there is a new hardware version of the G27 in the 'wild'. This patch add's this new revision so that it can be sent the command to switch to native mode. Reported-by:
"Ivan Baldo" <ibaldo@adinet.com.uy> Tested-by:
"evilcow" <evilcow93@yahoo.com> Signed-off-by:
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- 08 Nov, 2013 5 commits
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Simon Wood authored
The MOMO and MOMO2 wheels have a slightly different autocenter command, and accept values in the range 0..F (rather than 0..7 for the other wheels). This patch uses the product ID to determine how to compute the strength. Signed-off-by:
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Simon Wood authored
Re-arrange code slightly to ensure that device properties are configured before calling auto-center command. Reported-by:
Michal Malý <madcatxster@prifuk.cz> Signed-off-by:
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Simon Wood authored
When 'Constant Force' is set to 0 it is not turned off completely, the wheel feels 'heavy'. This patch issues the '13 00..' command to ensure that the force in slot 1 (the Constant Force) is deactivated. Reported-by:
Elias Vanderstuyft <elias.vds@gmail.com> Signed-off-by:
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Simon Wood authored
When the autocenter is set to zero, this patch issues a command to totally disable the autocenter - this results in less resistance in the wheel. Reported-by:
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Simon Wood authored
Adjust the scaling and lineartity to match that of the Windows driver (from MOMO testing). Reported-by:
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- 13 Sep, 2013 1 commit
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Kees Cook authored
A HID device could send a malicious output report that would cause the lg, lg3, and lg4 HID drivers to write beyond the output report allocation during an event, causing a heap overflow: [ 325.245240] usb 1-1: New USB device found, idVendor=046d, idProduct=c287 ... [ 414.518960] BUG kmalloc-4096 (Not tainted): Redzone overwritten Additionally, while lg2 did correctly validate the report details, it was cleaned up and shortened. CVE-2013-2893 Signed-off-by:
Kees Cook <keescook@chromium.org> Cc: stable@vger.kernel.org Reviewed-by:
Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by:
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- 27 Apr, 2013 1 commit
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Simon Wood authored
It has been reported that there is a new version (different USB rev) of the Logitech DFGT in the 'wild'. This patch allows the kernel to recognise this wheel and send it the command to enter native mode. Reported-by:
"Denis Jovic" <djovic78@gmail.com> Signed-off-by:
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