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Currently, uinput doesn't use the input_set_timestamp API, so any
event injected using uinput is not accurately timestamped in terms of
measuring when the actual event happened. Hence, call the
input_set_timestamp API from uinput in order to provide a more
accurate sense of time for the event. Propagate only the timestamps
which are a) positive, b) within a pre-defined offset (10 secs) from
the current time, and c) not in the future.
Signed-off-by: Biswarup Pal <[email protected]>
Reviewed-by: Peter Hutterer <[email protected]>
Reviewed-by: Siarhei Vishniakou <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Add support for touch keys found in some Atmel touch controller
configurations.
Reviewed-by: Claudiu Beznea <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Signed-off-by: André Apitzsch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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In some configurations the touch controller can support the touch keys.
Document the linux,keycodes property that enables those keys and
specifies the keycodes that should be used to report the key events.
Reviewed-by: Linus Walleij <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: André Apitzsch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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<linux/i8042.h> include uses ENODEV when included with
!IS_ENABLED(CONFIG_SERIO_I8042) and so need to include it.
Signed-off-by: Michał Mirosław <[email protected]>
Link: https://lore.kernel.org/r/49fd4d400d1ab62095e5ed75a6637f883c0d071b.1682795105.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Dmitry Torokhov <[email protected]>
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The watchdog_timer can schedule tx_timeout_task and watchdog_work
can also arm watchdog_timer. The process is shown below:
----------- timer schedules work ------------
cyttsp4_watchdog_timer() //timer handler
schedule_work(&cd->watchdog_work)
----------- work arms timer ------------
cyttsp4_watchdog_work() //workqueue callback function
cyttsp4_start_wd_timer()
mod_timer(&cd->watchdog_timer, ...)
Although del_timer_sync() and cancel_work_sync() are called in
cyttsp4_remove(), the timer and workqueue could still be rearmed.
As a result, the possible use after free bugs could happen. The
process is shown below:
(cleanup routine) | (timer and workqueue routine)
cyttsp4_remove() | cyttsp4_watchdog_timer() //timer
cyttsp4_stop_wd_timer() | schedule_work()
del_timer_sync() |
| cyttsp4_watchdog_work() //worker
| cyttsp4_start_wd_timer()
| mod_timer()
cancel_work_sync() |
| cyttsp4_watchdog_timer() //timer
| schedule_work()
del_timer_sync() |
kfree(cd) //FREE |
| cyttsp4_watchdog_work() // reschedule!
| cd-> //USE
This patch changes del_timer_sync() to timer_shutdown_sync(),
which could prevent rearming of the timer from the workqueue.
Fixes: 17fb1563d69b ("Input: cyttsp4 - add core driver for Cypress TMA4XX touchscreen devices")
Signed-off-by: Duoming Zhou <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The touchscreen can be used to wake up systems from sleep and therefore
the wakeup-source entry should be included in the documentation.
Signed-off-by: Maximilian Weigand <[email protected]>
Reviewed-by: Alistair Francis <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The removed lines are remnants of the vendor driver and are not used in
the upstream driver.
Signed-off-by: Maximilian Weigand <[email protected]>
Reviewed-by: Alistair Francis <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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First of all, previously the 16-bit magnitude was written as-is to the
device which actually discarded the upper 8 bits since the device has
8-bit registers only. This meant that a strong_magnitude of 0xFF00 would
result in 0. To correct this shift the strong_magnitude / weak_magnitude
input values so we discard the lower 8 bits and keep the upper bits
instead.
Secondly the RTP mode that is used by default interprets the values as
signed (2s complement), so 0x81 = 0%, 0x00 = 50%, 0x7F = 100%. This
doesn't match the FF_RUMBLE interface at all, so let's tell the device
to interpret the data as unsigned instead which gets us 0x00 = 0% and
0xFF = 100%.
As last change switch ERM to using "Closed-Loop Mode, Unidirectional"
instead of "Open-Loop Mode" since it's recommended by the datasheet
compared to open loop and better matches our use case of 0% - 100%
vibration.
Signed-off-by: Luca Weiss <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Since the driver has disabled regmap caching with REGCACHE_NONE, it's
warning us that we provide defaults that are not used. Remove them.
[ 0.561159] drv260x-haptics 0-005a: No cache used with register defaults set!
Fixes: 7132fe4f5687 ("Input: drv260x - add TI drv260x haptics driver")
Signed-off-by: Luca Weiss <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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When doing the initial startup there's no need to poll without any
delay and spam the I2C bus.
Let's sleep 15ms between each attempt, which is the same time as used
in the vendor driver.
Fixes: 7132fe4f5687 ("Input: drv260x - add TI drv260x haptics driver")
Signed-off-by: Luca Weiss <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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ANANLOG should be ANALOG. Fix the typo.
Fixes: 7132fe4f5687 ("Input: drv260x - add TI drv260x haptics driver")
Signed-off-by: Luca Weiss <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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This reverts commit db7220c48d8d71476f881a7ae1285e1df4105409 because it
causes crashes when trying to dereference xpad->dev->dev in xpad_probe()
which has not been set up yet.
Reported-by: [email protected]
Reported-by: Dongliang Mu <[email protected]>
Link: https://groups.google.com/g/syzkaller-bugs/c/iMhTgpGuIbM
Signed-off-by: Dmitry Torokhov <[email protected]>
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Convert the binding doc to dt schema, and also fixed the
example from fixed-regulator to regulator-fixed.
Signed-off-by: Peng Fan <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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This commit explicitly disables the audio interface the same way the official
driver does. This is needed for some controllers, such as the PowerA Enhanced
Wired Controller for Series X|S (0x20d6:0x200e) to report the guide button.
Signed-off-by: Vicki Pfau <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Wired GIP devices present multiple interfaces with the same USB identification
other than the interface number. This adds constants for differentiating two of
them and uses them where appropriate
Signed-off-by: Vicki Pfau <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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No functional modification involved.
drivers/input/rmi4/rmi_bus.c:300: warning: expecting prototype for rmi_register_function_handler(). Prototype was for __rmi_register_function_handler() instead.
Reported-by: Abaci Robot <[email protected]>
Signed-off-by: Jiapeng Chong <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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rpi_firmware_get() take reference, we need to release it in error paths
as well. Use devm_rpi_firmware_get() helper to handling the resources.
Also remove the existing rpi_firmware_put().
Fixes: 0b9f28fed3f7 ("Input: add official Raspberry Pi's touchscreen driver")
Fixes: 3b8ddff780b7 ("input: raspberrypi-ts: Release firmware handle when not needed")
Signed-off-by: Miaoqian Lin <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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After starting to use regmap API to access registers the edt-ft5x06
driver depends on symbols provided by REGMAP_I2C:
edt-ft5x06.o: in function `edt_ft5x06_ts_probe':
edt-ft5x06.c:1154: undefined reference to `__regmap_init_i2c'
edt-ft5x06.o: in function `edt_ft5x06_ts_identify':
edt-ft5x06.c:897: undefined reference to `__regmap_init_i2c'
Make sure support for I2C regmap is actually selected by adding this
dependency to Kconfig.
Fixes: 9dfd9708ffba ("Input: edt-ft5x06 - convert to use regmap API")
Signed-off-by: Daniel Golle <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The driver had the code to differentiate between finger and palm touches,
but did not use this information when reporting contacts. Change it so that
proper "tool" type is assigned to reported contacts.
Signed-off-by: JungHoon Hyun <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
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Function input_set_abs_params() has already set EV_ABS bit for us.
drivers/input/misc/cma3000_d0x.c:328 cma3000_init() warn: inconsistent indenting.
Reported-by: Abaci Robot <[email protected]>
Signed-off-by: Jiapeng Chong <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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It is pointless and expensive to calculate data in the interrupt that
depends on the type of touchscreen, which is detected on the driver
probe and cannot then be changed.
So calculate the size of the data buffer on the driver probe, as well as
the data retrieval command, and then use them in the ISR.
Signed-off-by: Dario Binacchi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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With this patch, the CRC is always verified by the same function, even in
the case of accessing registers where the number of bytes is minimal.
Signed-off-by: Dario Binacchi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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It replaces custom read/write functions with regmap API, making the
driver code more generic.
Signed-off-by: Dario Binacchi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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In some parts of the code, error messages were improperly printed with
dev_dbg() calls. In those cases, dev_dbg() has been replaced with
dev_err().
Signed-off-by: Dario Binacchi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The use of the macros M06_REG_ADDR and M06_REG_CMD avoids code
duplication without impacting the application load, and reduces the
chances of errors or mistakes.
Signed-off-by: Dario Binacchi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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There is no need to recalculate the CRC when the data has not changed.
Signed-off-by: Dario Binacchi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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It adds spaces around '-' as recommended by the Linux coding style.
Signed-off-by: Dario Binacchi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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It removes unnecessary blank lines so that checkpatch doesn't complain
anymore.
Signed-off-by: Dario Binacchi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Matches the alignment to the open parenthesis as suggested by
checkpatch.
Signed-off-by: Dario Binacchi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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When a hard IRQ is triggered, the soft IRQ, which decides if an actual
pen down happened, should always be triggered. This enables the usage of
"can_sleep" GPIO chips as "pen down" GPIO, as the value is not read
during the hard IRQ anymore. This might be the case if the GPIO chip is
an expander behind i2c.
Signed-off-by: Benjamin Bara <[email protected]>
Signed-off-by: Richard Leitner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The input subsystem doesn't currently have any unit tests, let's add a
CONFIG_INPUT_KUNIT_TEST option that builds a test suite to be executed
with the KUnit test infrastructure.
For now, only three tests were added for some of the input core helper
functions that are trivial to test:
* input_test_polling: set/get poll interval and set-up a poll handler.
* input_test_timestamp: set/get input event timestamps.
* input_test_match_device_id: match a device by bus, vendor, product,
version and events capable of handling.
But having the minimal KUnit support allows to add more tests and suites
as follow-up changes. The tests can be run with the following command:
$ ./tools/testing/kunit/kunit.py run --kunitconfig=drivers/input/tests/
Signed-off-by: Javier Martinez Canillas <[email protected]>
Tested-by: Enric Balletbo i Serra <[email protected]>
config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20230330/[email protected]/config)
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Add a new driver for the Novatek i2c touchscreen controller as found
on the Acer Iconia One 7 B1-750 tablet. Unfortunately the touchscreen
controller model-number is unknown. Even with the tablet opened up it
is impossible to read the model-number.
Android calls this a "NVT-ts" touchscreen, but that may apply to other
Novatek controller models too.
This appears to be the same controller as the one supported by
https://github.com/advx9600/android/blob/master/touchscreen/NVTtouch_Android4.0/NVTtouch.c
but unfortunately that does not give us a model-number either.
Signed-off-by: Hans de Goede <[email protected]>
Reviewed-by: Jeff LaBundy <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Some third-party controllers, such as the HORPIAD FPS for Nintendo Switch and
Gamesir-G3w, require a specific packet that the first-party XInput driver sends
before it will start sending reports. It's not currently known what this packet
does, but since the first-party driver always sends it's unlikely that this
could cause issues with existing controllers.
Co-authored-by: Andrey Smirnov <[email protected]>
Signed-off-by: Vicki Pfau <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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They act that way in PC mode.
Reviewed-by: Lyude Paul <[email protected]>
Signed-off-by: Pierre-Loup A. Griffais <[email protected]>
Signed-off-by: Vicki Pfau <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.
Signed-off-by: Rob Herring <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]> # for mediatek,mt6779-keypad.yaml
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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This adds support for the Turtle Beach REACT-R and Recon Xbox controllers
Signed-off-by: Vicki Pfau <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The list of specific VID/PID combinations for various controllers recently
added a new field "xtype". However, this field isn't used, nor filled in
the table itself, and was likely added by mistake and overlooked during
review. Since this field isn't used, it's safe to remove.
Signed-off-by: Vicki Pfau <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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If a platform driver's remove callback returns non-zero the driver core
emits an error message. In such a case however iqs62x_keys_remove()
already issued a (better) message. So return zero to suppress the
generic message.
This patch has no other side effects as platform_remove() ignores the
return value of .remove() after the warning.
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The driver can match only via the DT table so the table should be always
used and the of_match_ptr does not have any sense (this also allows ACPI
matching via PRP0001, even though it might not be relevant here). This
also fixes !CONFIG_OF error:
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The driver can match only via the DT table so the table should be always
used and the of_match_ptr does not have any sense (this also allows ACPI
matching via PRP0001, even though it might not be relevant here). This
also fixes !CONFIG_OF error:
drivers/input/touchscreen/sun4i-ts.c:392:34: error: ‘sun4i_ts_of_match’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Acked-by: Jernej Skrabec <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The driver will match mostly by DT table (even thought there is regular
ID table) so there is little benefit in of_match_ptr (this also allows
ACPI matching via PRP0001, even though it might not be relevant here).
This also fixes !CONFIG_OF error:
drivers/input/keyboard/tm2-touchkey.c:335:34: error: ‘tm2_touchkey_of_match’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The driver can match only via the DT table so the table should be always
used and the of_match_ptr does not have any sense (this also allows ACPI
matching via PRP0001, even though it might not be relevant here). This
also fixes !CONFIG_OF error:
drivers/input/keyboard/st-keyscan.c:251:34: error: ‘keyscan_of_match’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties. As
part of this, convert of_get_property/of_find_property calls to the
recently added of_property_present() helper when we just want to test
for presence of a property and nothing more.
Signed-off-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties.
Convert reading boolean properties to of_property_read_bool().
Signed-off-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Merge with mainline to get of_property_present() and other newer APIs.
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The HiDeep IST940E touchscreen controller used on the Lenovo Yoga Book X90F
convertible comes up in HID mode by default.
This works well on the X91F Windows model where the touchscreen is
correctly described in ACPI and ACPI takes care of controlling
the reset GPIO and regulators.
But the X90F ships with Android and the ACPI tables on this model don't
describe the touchscreen. Instead this is hardcoded in the vendor kernel.
The vendor kernel uses the touchscreen in native HiDeep 20 (2.0?) protocol
mode and switches the controller to this mode by writing 0 to reg 0x081e.
Adjusting the i2c-hid code to deal with the reset-gpio and regulators on
this non devicetree (but rather broken ACPI) convertible is somewhat tricky
and the native protocol reports ABS_MT_PRESSURE and ABS_MT_TOUCH_MAJOR
which are not reported in HID mode, so it is preferable to use the native
mode.
Add support to the hideep driver to reset the work-mode to the native
HiDeep protocol to allow using it on the Lenovo Yoga Book X90F.
This is guarded behind a new "hideep,force-native-protocol" boolean
property, to avoid changing behavior on other devices.
For the record: I did test using the i2c-hid driver with some quick hacks
and it does work. The I2C-HID descriptor is available from address 0x0020,
just like on the X91F Windows model.
So far the new "hideep,force-native-protocol" property is only used on
x86/ACPI (non devicetree) devs. IOW it is not used in actual devicetree
files. The devicetree-bindings maintainers have requested properties like
these to not be added to the devicetree-bindings, so the new property is
deliberately not added to the existing devicetree-bindings.
Signed-off-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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On some models the first HIDEEP_SYSCON_WDT_CON write alone is enough to
cause the controller to reset, causing the second write to fail:
i2c-hideep_ts: write to register 0x52000014 (0x000001) failed: -121
Switch this write to a raw hideep_pgm_w_mem() to avoid an error getting
logged in this case.
Signed-off-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Turn the space into a tab to Eliminate the follow smatch warning:
drivers/input/touchscreen/hideep.c:470 hideep_program_nvm() warn:
inconsistent indenting
Reported-by: Abaci Robot <[email protected]>
Signed-off-by: Yang Li <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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This reverts part of commit 015b8cc5e7c4 ("wifi: cfg80211: Fix use after
free for wext")
This commit broke WPA offload by unconditionally clearing the crypto
modes for non-WEP connections. Drop that part of the patch.
Signed-off-by: Hector Martin <[email protected]>
Reported-by: Ilya <[email protected]>
Reported-and-tested-by: Janne Grunau <[email protected]>
Reviewed-by: Eric Curtin <[email protected]>
Fixes: 015b8cc5e7c4 ("wifi: cfg80211: Fix use after free for wext")
Cc: [email protected]
Link: https://lore.kernel.org/linux-wireless/[email protected]/T/#m11e6e0915ab8fa19ce8bc9695ab288c0fe018edf
Signed-off-by: Linus Torvalds <[email protected]>
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