Pull input fixes from Dmitry Torokhov:
"Just a few small fixups here"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: imx_sc_key - only take the valid data from SCU firmware as key state
Input: add safety guards to input_set_keycode()
Input: input_event - fix struct padding on sparc64
Input: uinput - always report EPOLLOUT
When reading key state from SCU, the response data from SCU firmware
is 4 bytes due to MU message protocol, but ONLY the first byte is the
key state, other 3 bytes could be some dirty data, so we should ONLY
take the first byte as key state to avoid reporting incorrect state.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Fixes: 688f1dfb69 ("Input: keyboard - imx_sc: Add i.MX system controller key support")
Link: https://lore.kernel.org/r/1576202909-1661-1-git-send-email-Anson.Huang@nxp.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Going through all uses of timeval, I noticed that we screwed up
input_event in the previous attempts to fix it:
The time fields now match between kernel and user space, but all following
fields are in the wrong place.
Add the required padding that is implied by the glibc timeval definition
to fix the layout, and use a struct initializer to avoid leaking kernel
stack data.
Fixes: 141e5dcaa7 ("Input: input_event - fix the CONFIG_SPARC64 mixup")
Fixes: 2e746942eb ("Input: input_event - provide override for sparc64")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20191213204936.3643476-2-arnd@arndb.de
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
uinput device is always available for writing so we should always report
EPOLLOUT and EPOLLWRNORM bits, not only when there is nothing to read from
the device.
Fixes: d4b675e1b5 ("Input: uinput - fix returning EPOLLOUT from uinput_poll")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20191209202254.GA107567@dtor-ws
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Pull more input updates from Dmitry Torokhov:
- fixups for Synaptics RMI4 driver
- a quirk for Goodinx touchscreen on Teclast tablet
- a new keycode definition for activating privacy screen feature found
on a few "enterprise" laptops
- updates to snvs_pwrkey driver
- polling uinput device for writing (which is always allowed) now works
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics-rmi4 - don't increment rmiaddr for SMBus transfers
Input: synaptics-rmi4 - re-enable IRQs in f34v7_do_reflash
Input: goodix - add upside-down quirk for Teclast X89 tablet
Input: add privacy screen toggle keycode
Input: uinput - fix returning EPOLLOUT from uinput_poll
Input: snvs_pwrkey - remove gratuitous NULL initializers
Input: snvs_pwrkey - send key events for i.MX6 S, DL and Q
This increment of rmi_smbus in rmi_smb_read/write_block() causes
garbage to be read/written.
The first read of SMB_MAX_COUNT bytes is fine, but after that
it is nonsense. Trial-and-error showed that by dropping the
increment of rmiaddr everything is fine and the F54 function
properly works.
I tried a hack with rmi_smb_write_block() as well (writing to the
same F54 touchpad data area, then reading it back), and that
suggests that there too the rmiaddr increment has to be dropped.
It makes sense that if it has to be dropped for read, then it has
to be dropped for write as well.
It looks like the initial work with F54 was done using i2c, not smbus,
and it seems nobody ever tested F54 with smbus. The other functions
all read/write less than SMB_MAX_COUNT as far as I can tell, so this
issue was never noticed with non-F54 functions.
With this change I can read out the touchpad data correctly on my
Lenovo X1 Carbon 6th Gen laptop.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Link: https://lore.kernel.org/r/8dd22e21-4933-8e9c-a696-d281872c8de7@xs4all.nl
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
F34 is a bit special as it reinitializes the device and related driver
structs during the firmware update. This clears the fn_irq_mask which
will then prevent F34 from receiving further interrupts, leading to
timeouts during the firmware update. Make sure to reinitialize the
IRQ enables at the appropriate times.
The issue is in F34 code, but the commit in the fixes tag exposed the
issue, as before this commit things would work by accident.
Fixes: 363c53875a (Input: synaptics-rmi4 - avoid processing unknown IRQs)
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Link: https://lore.kernel.org/r/20191129133514.23224-1-l.stach@pengutronix.de
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The touchscreen on the Teclast X89 is mounted upside down in relation to
the display orientation (the touchscreen itself is mounted upright, but the
display is mounted upside-down). Add a quirk for this so that we send
coordinates which match the display orientation.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20191202085636.6650-1-hdegoede@redhat.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Gratuitous NULL initializers rarely help and often prevent compiler
from warning about using uninitialized variable. Let's remove them.
Reviewed-by: Anson Huang <Anson.Huang@nxp.com>
Link: https://lore.kernel.org/r/20191125211407.GA97812@dtor-ws
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* CrOS EC / MFD / IIO
- Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part of a
series from Gwendal to refactor sensor code between MFD, CrOS EC, iio
and input in order to add a new sensorhub driver and FIFO processing
* Wilco EC:
- Add support for Dell's USB PowerShare policy control, keyboard
backlight LED driver, and a new test_event file.
- Fixes use after free in wilco_ec's telemetry driver.
* Misc:
- bugfix in cros_usbpd_logger (missing destroy workqueue).
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Merge tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform changes from Benson Leung:
"CrOS EC / MFD / IIO:
- Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part
of a series from Gwendal to refactor sensor code between MFD, CrOS
EC, iio and input in order to add a new sensorhub driver and FIFO
processing
Wilco EC:
- Add support for Dell's USB PowerShare policy control, keyboard
backlight LED driver, and a new test_event file.
- Fixes use after free in wilco_ec's telemetry driver.
Misc:
- bugfix in cros_usbpd_logger (missing destroy workqueue)"
* tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: wilco_ec: fix use after free issue
platform/chrome: cros_ec: Add Kconfig default for cros-ec-sensorhub
Revert "Input: cros_ec_keyb: mask out extra flags in event_type"
Revert "Input: cros_ec_keyb - add back missing mask for event_type"
platform/chrome: cros_ec: handle MKBP more events flag
platform/chrome: cros_ec: Do not attempt to register a non-positive IRQ number
platform/chrome: cros-ec: Record event timestamp in the hard irq
mfd / platform / iio: cros_ec: Register sensor through sensorhub
iio / platform: cros_ec: Add cros-ec-sensorhub driver
mfd / platform: cros_ec: Add sensor_count and make check_features public
platform/chrome: cros_ec: Put docs with the code
platform/chrome: cros_usbpd_logger: add missed destroy_workqueue in remove
platform/chrome: cros_ec: Fix Kconfig indentation
platform/chrome: wilco_ec: Add keyboard backlight LED support
platform/chrome: wilco_ec: Add charging config driver
platform/chrome: wilco_ec: Add Dell's USB PowerShare Policy control
platform/chrome: wilco_ec: Add debugfs test_event file
The first generation i.MX6 processors does not send an interrupt when the
power key is pressed. It sends a power down request interrupt if the key is
released before a hard shutdown (5 second press). This should allow
software to bring down the SoC safely.
For this driver to work as a regular power key with the older SoCs, we need
to send a keypress AND release when we get the power down request irq.
Signed-off-by: Robin van der Gracht <robin@protonic.nl>
Link: https://lore.kernel.org/r/20191125161210.8275-1-robin@protonic.nl
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The v4l2-compliance utility reported several V4L2 API compliance
issues:
- the sequence counter wasn't filled in
- the sequence counter wasn't reset to 0 at the start of streaming
- the returned field value wasn't set to V4L2_FIELD_NONE
- the timestamp wasn't set
- the payload size was undefined if an error was returned
- min_buffers_needed doesn't need to be initialized
Fix these issues.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de
Link: https://lore.kernel.org/r/20191119105118.54285-3-hverkuil-cisco@xs4all.nl
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
$ sed -e 's/^ /\t/' -i */Kconfig
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/1574306373-29581-1-git-send-email-krzk@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This reverts commit 68b9c5066e39af41d3448abfc887c77ce22dd64d.
Ugh, I really dropped the ball on this one :\. So as it turns out RMI4
works perfectly fine on the X1 Extreme Gen 2 except for one thing I
didn't notice because I usually use the trackpoint: clicking with the
touchpad. Somehow this is broken, in fact we don't even seem to indicate
BTN_LEFT as a valid event type for the RMI4 touchpad. And, I don't even
see any RMI4 events coming from the touchpad when I press down on it.
This only seems to work for PS/2 mode.
Since that means we have a regression, and PS/2 mode seems to work fine
for the time being - revert this for now. We'll have to do a more
thorough investigation on this.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20191119234534.10725-1-lyude@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This reverts commit d096aa3eb6.
This patch is not needed anymore since we clear EC_MKBP_HAS_MORE_EVENTS
flag before calling the notifiers in patch
"9d9518f5b52a (platform: chrome: cros_ec: handle MKBP more events flag)"
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
This reverts commit 62c3801619.
This patch is not needed anymore since we clear EC_MKBP_HAS_MORE_EVENTS
flag before calling the notifiers in patch
"9d9518f5b52a (platform: chrome: cros_ec: handle MKBP more events flag)"
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Just got one of these for debugging some unrelated issues, and noticed
that Lenovo seems to have gone back to using RMI4 over smbus with
Synaptics touchpads on some of their new systems, particularly this one.
So, let's enable RMI mode for the X1 Extreme 2nd Generation.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20191115221814.31903-1-lyude@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The driver forgets to destroy workqueue in remove() similarly to what is
done when probe() fails. Add a call to destroy_workqueue() to fix it.
Since unregistration will wait for the work to finish, we do not need to
cancel/flush the work instance in remove().
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191114023405.31477-1-hslester96@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The device md->input is used after it is released. Setting the device
data to NULL is unnecessary as the device is never used again. Instead,
md->input should be assigned NULL to avoid accessing the freed memory
accidently. Besides, checking md->si against NULL is superfluous as it
points to a variable address, which cannot be NULL.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Link: https://lore.kernel.org/r/1572936379-6423-1-git-send-email-bianpan2016@163.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The driver for F54 just polls the status and doesn't even have a IRQ
handler registered. Make sure to disable all F54 IRQs, so we don't crash
the kernel on a nonexistent handler.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Link: https://lore.kernel.org/r/20191105114402.6009-1-l.stach@pengutronix.de
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Only show the 'calibrate' sysfs attribute on chip flavours
which support calibration by writing to a calibration register.
Do this by adding a flag to the chip operations structure.
Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Link: https://lore.kernel.org/r/20191112210148.3535-2-TheSven73@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Optionally allow the touch screen resolution to be set by adding
it to the chip operations structure. If it is omitted (left zero),
the resolution defaults to 64K. Which is the previously hard-coded
value.
Set the ili2117 resolution to 2048, as indicated in its datasheet.
Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Link: https://lore.kernel.org/r/20191112210148.3535-1-TheSven73@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The driver's method to retrieve the firmware version on ili2117/
ili2118 chip flavours is incorrect. The firmware version register
address and layout are wrong.
The firmware version is not actually used anywhere inside or
outside this driver. There is a dev_dbg() print, but that is
only visible when the developer explicitly compiles in debug
support.
Don't make the code more complicated to preserve a feature that
no-one is using. Remove all code associated with chip firmware
version.
Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Link: https://lore.kernel.org/r/20191112164429.11225-1-TheSven73@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
device_get_match_data is available now, so we can replace the call
to of_device_get_match_data and remove the FIXME comment.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Andi Shyti <andi@etezian.org>
Link: https://lore.kernel.org/r/20191007203343.101466-2-stephan@gerhold.net
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
When I2C client is instantiated with I2C_CLIENT_WAKE flag (either via
"wakeup-source" device property, or via board info flag), it will mark the
main IRQ line as wakeup IRQ, which will ensure that it will be enabled for
wakeup when system transitions to suspend state. Since our suspend/resume
handlers were only managing IRQ wakeup state, they are no longer needed,
and can be removed.
Tested-by: Adam Ford <aford173@gmail.com> #imx6q-logicpd
Tested-by: Sven Van Asbroeck <TheSven73@gmail.com> # ILI2118A variant
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
I2C devices that are supposed to be wakeup sources should be instantiated
with I2C_CLIENT_WAKE flag (which can be either set by in board info, or
retrieved from "wakeup-source" property); individual drivers should not be
marking devices as wakeup sources unconditionally.
Tested-by: Adam Ford <aford173@gmail.com> #imx6q-logicpd
Tested-by: Sven Van Asbroeck <TheSven73@gmail.com> # ILI2118A variant
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Instead of doing if/else if/else on the chip's model number let's define
chip operations structure and use it to perform indirect calls. With number
of protocols supported by the driver growing, this makes it better
maintainable.
This change includes fixes to checks whether the driver should continue
polling the controller by Sven Van Asbroeck <thesven73@gmail.com>.
Tested-by: Adam Ford <aford173@gmail.com> #imx6q-logicpd
Tested-by: Sven Van Asbroeck <TheSven73@gmail.com> # ILI2118A variant
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
We are using devm_input_allocate_device() that set's up the parent for
us, no need to do it ourselves.
Tested-by: Adam Ford <aford173@gmail.com> #imx6q-logicpd
Tested-by: Sven Van Asbroeck <TheSven73@gmail.com> # ILI2118A variant
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
input_mt_init_slots() may fail and we need to handle such failures.
Tested-by: Adam Ford <aford173@gmail.com> #imx6q-logicpd
Tested-by: Sven Van Asbroeck <TheSven73@gmail.com> # ILI2118A variant
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Let's switch the driver to using threaded IRQ so that we do not need to
manage the interrupt and work separately, and we do not acknowledge
interrupt until we finished handling it completely.
Tested-by: Adam Ford <aford173@gmail.com> #imx6q-logicpd
Tested-by: Sven Van Asbroeck <TheSven73@gmail.com> # ILI2118A variant
Tested-by: Marek Vasut <marex@denx.de> # ILI2117
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add support for ILI2117 touch controller. This controller is similar
to the ILI210x and ILI251x, except for the following differences:
- Reading out of touch data must happen at most 300 mS after the
interrupt line was asserted. No command must be sent, the data
are returned upon pure I2C read of 43 bytes long.
- Supports 10 simultaneous touch inputs.
- Touch data format is slightly different.
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Rob Herring <robh@kernel.org> # for DT binding
Tested-by: Adam Ford <aford173@gmail.com> #imx6q-logicpd
Tested-by: Sven Van Asbroeck <TheSven73@gmail.com> # ILI2118A variant
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The body of the for loop is only ever run once as the second standard_report
element is never changed from its initial zero init, so the loop condition is
never satisfies after the first run. Equally the start member of the first
element is never changed from 0, so the index offset is always a constant 0.
Remove this needless obfuscation of the code and write it in a straight
forward manner.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Link: https://lore.kernel.org/r/20191104114454.10500-3-l.stach@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Currently, rmi_f11_attention() and rmi_f12_attention() functions update
the attn_data data pointer and size based on the size of the expected
size of the attention data. However, if the actual valid data in the
attn buffer is less then the expected value then the updated data
pointer will point to memory beyond the end of the attn buffer. Using
the calculated valid_bytes instead will prevent this from happening.
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191025002527.3189-3-aduggan@synaptics.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This patch fixes an issue seen on HID touchpads which report finger
positions using RMI4 Function 12. The issue manifests itself as
spurious button presses as described in:
https://www.spinics.net/lists/linux-input/msg58618.html
Commit 24d28e4f12 ("Input: synaptics-rmi4 - convert irq distribution
to irq_domain") switched the RMI4 driver to using an irq_domain to handle
RMI4 function interrupts. Functions with more then one interrupt now have
each interrupt mapped to their own IRQ and IRQ handler. The result of
this change is that the F12 IRQ handler was now getting called twice. Once
for the absolute data interrupt and once for the relative data interrupt.
For HID devices, calling rmi_f12_attention() a second time causes the
attn_data data pointer and size to be set incorrectly. When the touchpad
button is pressed, F30 will generate an interrupt and attempt to read the
F30 data from the invalid attn_data data pointer and report incorrect
button events.
This patch disables the F12 relative interrupt which prevents
rmi_f12_attention() from being called twice.
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Reported-by: Simon Wood <simon@mungewell.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191025002527.3189-2-aduggan@synaptics.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The video buffer used by the queue is a vb2_v4l2_buffer, not a plain
vb2_buffer. Using the wrong type causes the allocation of the buffer
storage to be too small, causing a out of bounds write when
__init_vb2_v4l2_buffer initializes the buffer.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Fixes: 3a762dbd53 ("[media] Input: synaptics-rmi4 - add support for F54 diagnostics")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191104114454.10500-1-l.stach@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
We have added polled mode to the normal input devices with the intent of
retiring input_polled_dev. This converts kxtj9 driver to use the polling
mode of standard input devices and removes dependency on INPUT_POLLDEV.
note that with regular input devices handling polling, there is no longer a
benefit in having separate INPUT_KXTJ9_POLLED_MODE config option.
Link: https://lore.kernel.org/r/20191017204217.106453-23-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
We have added polled mode to the normal input devices with the intent of
retiring input_polled_dev. This converts bma150 driver to use the polling
mode of standard input devices and removes dependency on INPUT_POLLDEV.
Link: https://lore.kernel.org/r/20191017204217.106453-21-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The driver can be cleaned up by using managed resource helpers.
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
[dtor: do not explicitly set parent of input device since we are using devm]
Link: https://lore.kernel.org/r/20191017204217.106453-20-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
We have added polled mode to the normal input devices with the intent of
retiring input_polled_dev. This converts mma8450 driver to use the polling
mode of standard input devices and removes dependency on INPUT_POLLDEV.
Link: https://lore.kernel.org/r/20191017204217.106453-19-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
