- 06 May, 2024 6 commits
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Christophe JAILLET authored
In "struct cros_ec_keyb", the 'keymap_data' field is unused. Remove it. Found with cppcheck, unusedStructMember. Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/6bab1449c01c4537aa2d9cb4481e1d5da8aa2389.1714546173.git.christophe.jaillet@wanadoo.frSigned-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Christophe JAILLET authored
In "struct lpc32xx_kscan_drv", the 'irq' field is unused. Remove it. Found with cppcheck, unusedStructMember. While at it, move the 'row_shift' field in order to fill a hole in the structure (at least on 64 bits arch). Signed-off-by:
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Christophe JAILLET authored
In "struct matrix_keypad", the 'gpio_all_disabled' field is unused. Remove it. Found with cppcheck, unusedStructMember. Signed-off-by:
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Christophe JAILLET authored
"struct tca6416_drv_data" is unused. Remove it. Found with cppcheck, unusedStructMember. Signed-off-by:
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Christophe JAILLET authored
In "struct tca6416_keypad_chip", the 'irqnum' field is unused. Remove it. Found with cppcheck, unusedStructMember. Signed-off-by:
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Christophe JAILLET authored
In "struct da7280_haptic", the 'legacy' field is unused. Remove it. Found with cppcheck, unusedStructMember. Signed-off-by:
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- 30 Apr, 2024 1 commit
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Erick Archer authored
This is an effort to get rid of all multiplications from allocation functions in order to prevent integer overflows [1][2]. As the "ff" variable is a pointer to "struct ff_device" and this structure ends in a flexible array: struct ff_device { [...] struct file *effect_owners[] __counted_by(max_effects); }; the preferred way in the kernel is to use the struct_size() helper to do the arithmetic instead of the calculation "size + count * size" in the kzalloc() function. The struct_size() helper returns SIZE_MAX on overflow. So, refactor the comparison to take advantage of this. This way, the code is more readable and safer. This code was detected with the help of Coccinelle, and audited and modified manually. Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1] Link: https://github.com/KSPP/linux/issues/160 [2] Signed-off-by:Erick Archer <erick.archer@outlook.com> Reviewed-by:
Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/AS8PR02MB72371E646714BAE2E51A6A378B152@AS8PR02MB7237.eurprd02.prod.outlook.comSigned-off-by:
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- 25 Apr, 2024 1 commit
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Marek Szyprowski authored
Grab input->mutex during suspend/resume functions like it is done in other input drivers. This fixes the following warning during system suspend/resume cycle on Samsung Exynos5250-based Snow Chromebook: ------------[ cut here ]------------ WARNING: CPU: 1 PID: 1680 at drivers/input/input.c:2291 input_device_enabled+0x68/0x6c Modules linked in: ... CPU: 1 PID: 1680 Comm: kworker/u4:12 Tainted: G W 6.6.0-rc5-next-20231009 #14109 Hardware name: Samsung Exynos (Flattened Device Tree) Workqueue: events_unbound async_run_entry_fn unwind_backtrace from show_stack+0x10/0x14 show_stack from dump_stack_lvl+0x58/0x70 dump_stack_lvl from __warn+0x1a8/0x1cc __warn from warn_slowpath_fmt+0x18c/0x1b4 warn_slowpath_fmt from input_device_enabled+0x68/0x6c input_device_enabled from cyapa_gen3_set_power_mode+0x13c/0x1dc cyapa_gen3_set_power_mode from cyapa_reinitialize+0x10c/0x15c cyapa_reinitialize from cyapa_resume+0x48/0x98 cyapa_resume from dpm_run_callback+0x90/0x298 dpm_run_callback from device_resume+0xb4/0x258 device_resume from async_resume+0x20/0x64 async_resume from async_run_entry_fn+0x40/0x15c async_run_entry_fn from process_scheduled_works+0xbc/0x6a8 process_scheduled_works from worker_thread+0x188/0x454 worker_thread from kthread+0x108/0x140 kthread from ret_from_fork+0x14/0x28 Exception stack(0xf1625fb0 to 0xf1625ff8) ... ---[ end trace 0000000000000000 ]--- ... ------------[ cut here ]------------ WARNING: CPU: 1 PID: 1680 at drivers/input/input.c:2291 input_device_enabled+0x68/0x6c Modules linked in: ... CPU: 1 PID: 1680 Comm: kworker/u4:12 Tainted: G W 6.6.0-rc5-next-20231009 #14109 Hardware name: Samsung Exynos (Flattened Device Tree) Workqueue: events_unbound async_run_entry_fn unwind_backtrace from show_stack+0x10/0x14 show_stack from dump_stack_lvl+0x58/0x70 dump_stack_lvl from __warn+0x1a8/0x1cc __warn from warn_slowpath_fmt+0x18c/0x1b4 warn_slowpath_fmt from input_device_enabled+0x68/0x6c input_device_enabled from cyapa_gen3_set_power_mode+0x13c/0x1dc cyapa_gen3_set_power_mode from cyapa_reinitialize+0x10c/0x15c cyapa_reinitialize from cyapa_resume+0x48/0x98 cyapa_resume from dpm_run_callback+0x90/0x298 dpm_run_callback from device_resume+0xb4/0x258 device_resume from async_resume+0x20/0x64 async_resume from async_run_entry_fn+0x40/0x15c async_run_entry_fn from process_scheduled_works+0xbc/0x6a8 process_scheduled_works from worker_thread+0x188/0x454 worker_thread from kthread+0x108/0x140 kthread from ret_from_fork+0x14/0x28 Exception stack(0xf1625fb0 to 0xf1625ff8) ... ---[ end trace 0000000000000000 ]--- Fixes: d69f0a43 ("Input: use input_device_enabled()") Signed-off-by:
Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by:
Andrzej Pietrasiewicz <andrzej.p@collabora.com> Link: https://lore.kernel.org/r/20231009121018.1075318-1-m.szyprowski@samsung.comSigned-off-by:
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- 17 Apr, 2024 3 commits
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Fenglin Wu authored
Add support for a new SPMI vibrator module which is very similar to the vibrator module inside PM8916 but has a finer drive voltage step and different output voltage range, its drive level control is expanded across 2 registers. The vibrator module can be found in following Qualcomm PMICs: PMI632, PM7250B, PM7325B, PM7550BA. Signed-off-by:
Fenglin Wu <quic_fenglinw@quicinc.com> Reviewed-by:
Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by:
Konrad Dybcio <konrad.dybcio@linaro.org> Link: https://lore.kernel.org/r/20240416-pm8xxx-vibrator-new-design-v11-3-7b1c951e1515@quicinc.comSigned-off-by:
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Fenglin Wu authored
Add compatible strings to support vibrator module inside PMI632, PMI7250B, PM7325B, PM7550BA. Reviewed-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by:
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Fenglin Wu authored
Currently, vibrator control register addresses are hard coded, including the base address and offsets, it's not flexible to support new SPMI vibrator module which is usually included in different PMICs with different base address. Refactor it by using the base address defined in devicetree. Signed-off-by:
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- 15 Apr, 2024 2 commits
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Fenglin Wu authored
The output voltage is inclusive hence the max level calculation is off-by-one-step. Correct it. iWhile we are at it also add a define for the step size instead of using the magic value. Fixes: 11205bb6 ("Input: add support for pm8xxx based vibrator driver") Signed-off-by:
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Ricardo Ribalda authored
Smatch found this issue: drivers/input/touchscreen/sur40.c:424:55: warning: incorrect type in argument 2 (different base types) drivers/input/touchscreen/sur40.c:424:55: expected int key drivers/input/touchscreen/sur40.c:424:55: got restricted __le16 [usertype] blob_id Signed-off-by:
Ricardo Ribalda <ribalda@chromium.org> Link: https://lore.kernel.org/r/20240410-smatch-v1-6-785d009a852b@chromium.orgSigned-off-by:
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- 28 Mar, 2024 4 commits
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Dmitry Torokhov authored
If a button has not changed its state when we poll the device the driver does not need to report it. While duplicate events will be filtered out by the input core anyway we can do it very cheaply directly in the driver. Link: https://lore.kernel.org/r/ZZ-U_bmZpIdoYA6c@google.comSigned-off-by:
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Karel Balej authored
Without the device table the driver will not auto-load when compiled as a module. Fixes: 273db8f0 ("Input: add IOC3 serio driver") Signed-off-by:
Karel Balej <balejk@matfyz.cz> Link: https://lore.kernel.org/r/20240313115832.8052-1-balejk@matfyz.czSigned-off-by:
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Arnd Bergmann authored
clang warns about a string overflow in this driver drivers/input/misc/ims-pcu.c:1802:2: error: 'snprintf' will always be truncated; specified size is 10, but format string expands to at least 12 [-Werror,-Wformat-truncation] drivers/input/misc/ims-pcu.c:1814:2: error: 'snprintf' will always be truncated; specified size is 10, but format string expands to at least 12 [-Werror,-Wformat-truncation] Make the buffer a little longer to ensure it always fits. Fixes: 628329d5 ("Input: add IMS Passenger Control Unit driver") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20240326223825.4084412-7-arnd@kernel.orgSigned-off-by:
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Krzysztof Kozlowski authored
Core in platform_driver_register() already sets the .owner, so driver does not need to. Signed-off-by:
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- 15 Mar, 2024 2 commits
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Matt Scialabba authored
Add Snakebyte GAMEPAD BASE X and Snakebyte GAMEPAD RGB X to the list of supported devices. Signed-off-by:
Matt Scialabba <matt.git@fastmail.fm> Link: https://lore.kernel.org/r/efbfb428-06b0-48f9-8701-db291c2a9d65@app.fastmail.comSigned-off-by:
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Krzysztof Kozlowski authored
Convert Samsung SoC Keypad bindings to DT schema with changes: 1. Rename "linux,keypad-no-autorepeat" property to "linux,input-no-autorepeat", because the latter was implemented in the Linux driver. 2. Add clocks and clock-names, already used by DTS and the Linux driver. Signed-off-by:
Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20240312183001.714626-1-krzysztof.kozlowski@linaro.orgSigned-off-by:
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- 10 Mar, 2024 4 commits
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Duje Mihanović authored
IST3032C (and possibly some other models) has touch keys. Add support for them to the imagis driver. Signed-off-by:
Duje Mihanović <duje.mihanovic@skole.hr> Link: https://lore.kernel.org/r/20240306-b4-imagis-keys-v3-3-2c429afa8420@skole.hrSigned-off-by:
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Duje Mihanović authored
IST3032C (and possibly some other models) has touch keys. Document this. Signed-off-by:
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Duje Mihanović authored
Instead of manually extracting certain bits from registers with binary ANDs and shifts, the FIELD_GET macro can be used. With this in mind, the *_SHIFT macros can be dropped. Signed-off-by:
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Ricardo B. Marliere authored
Since commit 43a7206b ("driver core: class: make class_register() take a const *"), the driver core allows for struct class to be in read-only memory, so move the input_class structure to be declared at build time placing it into read-only memory, instead of having to be dynamically allocated at boot time. Suggested-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
Ricardo B. Marliere <ricardo@marliere.net> Link: https://lore.kernel.org/r/20240305-class_cleanup-input-v1-1-0c3d950c25db@marliere.netSigned-off-by:
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- 09 Mar, 2024 1 commit
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Dharma Balasubiramani authored
Convert the Atmel capacitive touchscreen bindings to YAML format. Signed-off-by:
Dharma Balasubiramani <dharma.b@microchip.com> Reviewed-by:
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- 07 Mar, 2024 1 commit
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Jeff LaBundy authored
The vendor has introduced two new revisions with slightly different memory maps; update the driver to support them. Fixes: dd24e202 ("Input: iqs7222 - add support for Azoteq IQS7222D") Signed-off-by:
Jeff LaBundy <jeff@labundy.com> Link: https://lore.kernel.org/r/ZelTRYX3fenMQuhF@nixie71Signed-off-by:
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- 05 Mar, 2024 1 commit
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Krzysztof Kozlowski authored
dtschema defines label as string, so $ref in other bindings is redundant. Signed-off-by:
Jernej Skrabec <jernej.skrabec@gmail.com> Acked-by:
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- 03 Mar, 2024 9 commits
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Ricardo B. Marliere authored
Now that the driver core can properly handle constant struct bus_type, move the serio_bus variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Suggested-by:
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Ricardo B. Marliere authored
Now that the driver core can properly handle constant struct bus_type, move the variable rmi_bus_type to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Suggested-by:
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Yang Li authored
The existing comment block above the xps2_of_probe function does not conform to the kernel-doc standard. This patch fixes the documentation to match the expected kernel-doc format, which includes a structured documentation header with param and return value. Signed-off-by:
Yang Li <yang.lee@linux.alibaba.com> Reviewed-by:
Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/20240301092115.123092-1-yang.lee@linux.alibaba.comSigned-off-by:
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Karel Balej authored
IST3032C is a touchscreen chip used for instance in the samsung,coreprimevelte smartphone, with which this was tested. Add the chip specific information to the driver. Reviewed-by:
Markuss Broks <markuss.broks@gmail.com> Signed-off-by:
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Karel Balej authored
IST3032C is a touchscreen IC which seems mostly compatible with IST3038C except that it reports a different chip ID value. Acked-by:
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Markuss Broks authored
Imagis IST3038B is another variant of Imagis IST3038 IC, which has a different register interface from IST3038C (possibly firmware defined). This should also work for IST3044B (though untested), however other variants using this interface/protocol(IST3026, IST3032, IST3026B, IST3032B) have a different format for coordinates, and they'd need additional effort to be supported by this driver. Signed-off-by:
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Markuss Broks authored
Imagis IST3038B is a variant (firmware?) of Imagis IST3038 IC differing from IST3038C in its register interface. Add the compatible for it to the IST3038C bindings. Signed-off-by:
Conor Dooley <conor.dooley@microchip.com> [balejk@matfyz.cz: elaborate chip differences in the commit message] Signed-off-by:
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Markuss Broks authored
As specified in downstream IST3038B driver and proved by testing, the correct maximum reported value of touch area is 16. Signed-off-by:
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Heiner Kallweit authored
In a follow-up patch implementation of the LED audio trigger will be moved to sound/core/snd_ctl_led, including removal of config symbol LEDS_AUDIO_TRIGGER. Also as of today the audio mute LED trigger is effectively a no-op w/o config symbol SND_CTL_LED being defined. Therefore switch the dependency to this config symbol. Suggested-by:
Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/6011ca63-187c-42dd-a5fd-7dd733d6257c@gmail.comSigned-off-by:
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- 09 Feb, 2024 1 commit
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Colin Ian King authored
The variable config is being initialized with a value that is never read, it is being re-assigned in the next statement. The initialization is redundant and can be removed. Cleans up clang scan build warning: drivers/input/touchscreen/ti_am335x_tsc.c:160:2: warning: Value stored to 'config' is never read [deadcode.DeadStores] Signed-off-by:
Colin Ian King <colin.i.king@gmail.com> Link: https://lore.kernel.org/r/20240205215940.1851349-1-colin.i.king@gmail.comSigned-off-by:
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- 08 Feb, 2024 1 commit
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Brenton Simpson authored
This helps making sure there are no duplicate entries in the tables. Signed-off-by:
Brenton Simpson <appsforartists@google.com> Link: https://lore.kernel.org/r/20240130231903.293265-1-appsforartists@google.comSigned-off-by:
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- 06 Feb, 2024 1 commit
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Ricardo B. Marliere authored
Now that the driver core can properly handle constant struct bus_type, move the gameport_bus variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Suggested-by:
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- 31 Jan, 2024 2 commits
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Dmitry Torokhov authored
Switch the drivers to use managed resources (devm) to simplify error handling and remove the need to have remove() implementation. Link: https://lore.kernel.org/r/20240121053232.276968-3-dmitry.torokhov@gmail.comSigned-off-by:
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Dmitry Torokhov authored
Now that the driver stores interrupt numbers corresponding to individual GPIOs in non-clustered mode, it is possible to unify handling of both modes by storing clustered interrupt at position 0 and setting the number of interrupts in this case to 1. Link: https://lore.kernel.org/r/20240121053232.276968-2-dmitry.torokhov@gmail.comSigned-off-by:
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