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Input core expects input handlers to be either filters, or regular
handlers, but not both. Additionally, for regular handlers it does
not make sense to define both single event method and batch method.
Refuse registering handler if it defines more than one method.
Reviewed-by: Jeff LaBundy <[email protected]>
Reviewed-by: Benjamin Tissoires <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Input core favors ->events() (batch) method over ->event() method
if the former is defined, so there is no point in defining evdev_event()
as it is never called. Remove it.
Reviewed-by: Jeff LaBundy <[email protected]>
Reviewed-by: Benjamin Tissoires <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Imagis IST3038 is another variant of Imagis IST3038 IC, which has
a different register interface from IST3038C (possibly firmware defined).
Unlike IST3038C/IST3032C, IST3038 has different registers for commands,
which means IST3038 doesn't use protocol B.
Similar to IST3032C and maybe the other variants, IST3038 has touch keys
support, which provides KEY_APPSELECT and KEY_BACK.
Add support for IST3038 with touch keys.
Signed-off-by: Raymond Hackley <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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protocol_b is a property, which tells Imagis panel to use a different
format for coordinates.
IST30XXC series is known for using protocol B, while the other series
aren't. Note this could be confusing, unlike the model name implies.
Adjust the usage of protocol_b to avoid confusion.
Signed-off-by: Raymond Hackley <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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`mx25_tcq_regconfig` is not modified and can be declared as const to
move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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`qt1050_regmap_config` is not modified and can be declared as const to
move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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When dealing with byte data use u8 instead of unsigned char or int.
Stop layering error handling in cypress_ps2_sendbyte() and simply
pass on error code from ps2_sendbyte().
Additionally use u8 instead of unisgned char throughout the code.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Do not override errors reported by lower layers with generic "-1",
but propagate them to the callers. Change the checks for errors to be
in the form of "if (error)" to maintain consistency.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Report -ETIMEDOUT error code from cypress_ps2_read_cmd_status() when
device does not send enough data within the allotted time in response
to a command.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Stop layering error handling in cypress_ps2_sendbyte() and simply
pass on error code from ps2_sendbyte() and use it in the callers.
This fixes mishandling of error condition in
cypress_ps2_read_cmd_status() which expects errors to be negative.
Reported-by: Igor Artemiev <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Casting an integer field containing desired rate to a pointer to bytes
works on little endian architectures where the driver is used, but not
a good practice. Use a temporary of proper type instead.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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'devmodel' hasn't actually been used since:
'commit 3275158fa52a ("parport: remove use of devmodel")'
and everyone now has it set to true and has been fixed up; remove
the flag.
(There are still comments all over about it)
Signed-off-by: Dr. David Alan Gilbert <[email protected]>
Acked-by: Sudip Mukherjee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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In the match() callback, the struct device_driver * should not be
changed, so change the function callback to be a const *. This is one
step of many towards making the driver core safe to have struct
device_driver in read-only memory.
Because the match() callback is in all busses, all busses are modified
to handle this properly. This does entail switching some container_of()
calls to container_of_const() to properly handle the constant *.
For some busses, like PCI and USB and HV, the const * is cast away in
the match callback as those busses do want to modify those structures at
this point in time (they have a local lock in the driver structure.)
That will have to be changed in the future if they wish to have their
struct device * in read-only-memory.
Cc: Rafael J. Wysocki <[email protected]>
Reviewed-by: Alex Elder <[email protected]>
Acked-by: Sumit Garg <[email protected]>
Link: https://lore.kernel.org/r/2024070136-wrongdoer-busily-01e8@gregkh
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Make sure interrupts are not left disabled when we fail to suspend the
touch controller.
Fixes: 6696777c6506 ("Input: add driver for Elan I2C/SMbus touchpad")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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This makes the code more compact and error handling more robust.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Start using __free() attributes to simplify the code and error handling.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Allocating a contiguous buffer of 64K may fail if memory is sufficiently
fragmented, and may cause OOM kill of an unrelated process. However we
do not need to have contiguous memory. We also do not need to zero
out the buffer since it will be overwritten with firmware data.
Switch to using kvmalloc() instead of kzalloc().
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Start using __free() and guard() primitives to simplify the code
and error handling.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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sysfs_emit() is preferred over snprintf() for sysfs attribute handling.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The code to toggle axis swapping and inversion is repetitive and can
be factored out.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Switch the driver to use __free(kfree) cleanup facility instead of
freeing memory by hand.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Switch the driver to use guard notation when acquiring mutex to
have it released automatically.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Marvell 88PM886 PMIC provides onkey among other things. Add client
driver to handle it. The driver currently only provides a basic support
omitting additional functions found in the vendor version, such as long
onkey and GPIO integration.
Signed-off-by: Karel Balej <[email protected]>
Acked-by: Dmitry Torokhov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Introduce support for Cirrus Logic Device CS40L50: a
haptic driver with waveform memory, integrated DSP,
and closed-loop algorithms.
The input driver provides the interface for control of
haptic effects through the device.
Signed-off-by: James Ogletree <[email protected]>
Reviewed-by: Jeff LaBundy <[email protected]>
Acked-by: Dmitry Torokhov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Bring in ADS7846 hsync changes.
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If the device is missing, we get the following error:
qt1050 3-0041: ID -1340767592 not supported
Let's handle this situation and print more informative error
when reading of CHIP_ID fails:
qt1050 3-0041: Failed to read chip ID: -6
Fixes: cbebf5addec1 ("Input: qt1050 - add Microchip AT42QT1050 support")
Signed-off-by: Andrei Lalaev <[email protected]>
Reviewed-by: Marco Felsch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Switch from VMWARE_HYPERCALL macro to vmware_hypercall API.
Eliminate arch specific code. No functional changes intended.
Signed-off-by: Alexey Makhalov <[email protected]>
Signed-off-by: Borislav Petkov (AMD) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- fixes for ili210x and elantech drivers
- new products IDs added to xpad controller driver
- a tweak to i8042 driver to always keep keyboard in Ayaneo Kun
handheld in raw mode
- populated "id_table" in ads7846 touchscreen driver to make sure
non-OF instantiated devices can properly determine the model data.
* tag 'input-for-v6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ads7846 - use spi_device_id table
Input: xpad - add support for ASUS ROG RAIKIRI PRO
Input: ili210x - fix ili251x_read_touch_data() return value
Input: i8042 - add Ayaneo Kun to i8042 quirk table
Input: elantech - fix touchpad state on resume for Lenovo N24
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As ft5426 seems to be compatible with this driver, add it.
Debug output during identification: Model "generic ft5x06 (79)", Rev. "
Signed-off-by: Andreas Kemnade <[email protected]>
Reviewed-by: Oliver Graute <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The chip is similar, but has status bits at different positions,
so use the correct bits.
Signed-off-by: Andreas Kemnade <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Add handling of HSYNC signal emitted by the TI ADS7846 if it is hooked
up to a GPIO.
Signed-off-by: Linus Walleij <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[dtor: dropped Spitz changes, kept platform data wait_for_sync option]
Signed-off-by: Dmitry Torokhov <[email protected]>
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There is no need to allocate axes information separately from the main
joystick structure so let's fold the allocation and also drop members
(such as range, flat and fuzz) that are only used during initialization
of the device.
Acked-by: Artur Rojek <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Start using __free() and guard() primitives to simplify the code
and error handling.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Instead of manually creating driver-specific device attributes
set struct usb_driver->dev_groups pointer to have the driver core
do it.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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This case of the common error message upon failure of
input_allocate_device() repeats the word "input".
Drop one "input" from the error message.
Signed-off-by: Javier Carrasco <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Use the __counted_by compiler attribute for the data[] flexible array
member to improve the results of array bound sanitizers.
Signed-off-by: Javier Carrasco <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Reviewed-by: Gustavo A. R. Silva <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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As the driver supports more devices over time the single MODULE_ALIAS
is complete and raises several warnings:
SPI driver ads7846 has no spi_device_id for ti,tsc2046
SPI driver ads7846 has no spi_device_id for ti,ads7843
SPI driver ads7846 has no spi_device_id for ti,ads7845
SPI driver ads7846 has no spi_device_id for ti,ads7873
Fix this by adding a spi_device_id table and removing the manual
MODULE_ALIAS.
Signed-off-by: Alexander Stein <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Switch to using guard(mutex)() notation to acquire and automatically
release mutexes.
Reviewed-by: Nuno Sa <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Switch the driver to use managed resources to simplify error handling.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Switch to using input_set_capability() instead of using __set_bit() to
make clear what exactly kinds of events (EV_KEY, EV_REL) are being
declared.
Also drop redundant calls setting EV_ABS and ABS_X|Y|Z bits as that is
taken care by input_set_abs_params().
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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Instead of creating driver-specific device attributes with
sysfs_create_group() have device core do this by setting up dev_groups
pointer in the driver structure.
Reviewed-by: Nuno Sa <[email protected]>
Acked-by: Michael Hennerich <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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On x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/touchscreen/cyttsp_i2c_common.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/misc/soc_button_array.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/matrix-keymap.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/vivaldi-fmap.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/tests/input_test.o
Add the missing invocation of the MODULE_DESCRIPTION() macro to all
files which have a MODULE_LICENSE().
This includes drivers/input/misc/sgi_btns.c which, although it did not
produce a warning with the x86 allmodconfig configuration, may cause
this warning with other configurations when either CONFIG_SGI_IP22 or
CONFIG_SGI_IP32 is enabled.
Signed-off-by: Jeff Johnson <[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 sizeof(*pointer) instead of sizeof(type)
due to the type of the variable can change and one needs not
change the former (unlike the latter).
At the same time refactor the code to not use assignment in "if"
conditions.
This patch has no effect on runtime behavior.
Signed-off-by: Erick Archer <[email protected]>
Link: https://lore.kernel.org/r/AS8PR02MB7237FEA55FAC8A9453F2DA6F8BC42@AS8PR02MB7237.eurprd02.prod.outlook.com
Signed-off-by: Dmitry Torokhov <[email protected]>
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It is preferred to use sizeof(*pointer) instead of sizeof(type)
due to the type of the variable can change and one needs not
change the former (unlike the latter).
The refactoring is mostly trivial except for "usbtouchscreen.c"
file. Here, in the "mtouch_alloc" and "nexio_alloc" functions,
it is necessary to use a variable with a predefined type instead
of the "usbtouch->priv" variable (void * type). This way, the
"sizeof" operator can now know the correct size. Moreover, we
need to set the "usbtouch->priv" pointer after the memory
allocation since now the "kmalloc" return value is not assigned
directly.
This patch has no effect on runtime behavior.
Signed-off-by: Erick Archer <[email protected]>
Link: https://lore.kernel.org/r/AS8PR02MB723708364CC0DF2EAAFEE5968BC42@AS8PR02MB7237.eurprd02.prod.outlook.com
Signed-off-by: Dmitry Torokhov <[email protected]>
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Add the VID/PID for ASUS ROG RAIKIRI PRO to the list of known devices.
Signed-off-by: Luke D. Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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The caller of this function treats all non-zero values as an error, so
the return value of i2c_master_recv() cannot be returned directly.
This fixes touch reporting when there are more than 6 active touches.
Fixes: ef536abd3afd1 ("Input: ili210x - define and use chip operations structure")
Signed-off-by: John Keeping <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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struct cap11xx_hw_model is supposed to describe the chip capabilities,
however later code changes introduced checks against chip ID.
Introduce new capabilities in cap11xx_hw_model and use them when applying
chip configuration, and remove the enum for chip ID. While at it, rename
no_gain to has_gain to match the rest of the new capabilities.
Reviewed-by: Jiri Valek - 2N <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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When one or more axes are inverted, (where min > max), normalize the
data so that min < max and invert the values reported to the input
stack.
This ensures we can continue defining the device correctly in the
device tree while not breaking downstream assumptions that min is
always less than max.
Signed-off-by: Chris Morgan <[email protected]>
Acked-by: Artur Rojek <[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 sizeof(*pointer) instead of sizeof(type)
due to the type of the variable can change and one needs not
change the former (unlike the latter). This patch has no effect
on runtime behavior.
Signed-off-by: Erick Archer <[email protected]>
Link: https://lore.kernel.org/r/PAXPR02MB72483F512F863C74A4AECA2B8BFB2@PAXPR02MB7248.eurprd02.prod.outlook.com
Signed-off-by: Dmitry Torokhov <[email protected]>
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