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Do not enumerate all formats, some of which the device may not even
support. Instead, only report the one fixed format of the currently
selected input that will survive try_fmt/s_fmt.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The driver doesn't set an initial video format until s_input is called:
$ v4l2-ctl -d /dev/v4l-touch0 --get-input
Video input : 0 (Normalized 16-Bit Image: ok)
$ v4l2-ctl -d /dev/v4l-touch0 --get-fmt-video
Width/Height : 0/0
Pixel Format : ''
[...]
$ v4l2-ctl -d /dev/v4l-touch0 --set-input 0
Video input set to 0 (Normalized 16-Bit Image: Touch, ok)
$ v4l2-ctl -d /dev/v4l-touch0 --get-fmt-video
Width/Height : 71/40
Pixel Format : 'TD16'
[...]
To fix this, initialize the video format to input 0 during probe.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The RMI4 function structure has been released in rmi_register_function
if error occurs. However, it will be released again in the function
rmi_create_function, which may result in a double-free bug.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The SNVS power key is not only used on i.MX6SX and i.MX7D, it is also
used by i.MX6UL and NXP's latest ARMv8 based i.MX8M series SOC. So
update the config dependency to use ARCH_MXC, and add the COMPILE_TEST
too.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Signed-off-by: Joseph Salisbury <joseph.salisbury@microsoft.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The OLPC XO-1.75 and XO-4 are ARM-based laptops, using the Marvell
MMP architecture, so don't present this driver on other architectures
except for build-testing purposes.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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All IXP4xx devices except the beeper passes the IRQ as a
resource, augment the NSLU2 beeper to do the same.
This is a prerequisite for SPARSE_IRQ.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Pull input updates from Dmitry Torokhov:
- several new key mappings for HID
- a host of new ACPI IDs used to identify Elan touchpads in Lenovo
laptops
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: snvs_pwrkey - initialize necessary driver data before enabling IRQ
HID: input: add mapping for "Toggle Display" key
HID: input: add mapping for "Full Screen" key
HID: input: add mapping for keyboard Brightness Up/Down/Toggle keys
HID: input: add mapping for Expose/Overview key
HID: input: fix mapping of aspect ratio key
[media] doc-rst: switch to new names for Full Screen/Aspect keys
Input: document meanings of KEY_SCREEN and KEY_ZOOM
Input: elan_i2c - add hardware ID for multiple Lenovo laptops
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Allwinner A83T SoC has a low res adc like the one in Allwinner A10 SoC,
however, the A10 SoC's vref of lradc internally is divided by 2/3 and
the A83T SoC's vref of lradc internally is divided by 3/4, thus add
a hardware variant for it to be compatible with various devices.
Signed-off-by: Ziping Chen <techping.chan@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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With calling dev_pm_set_wake_irq() to set SNVS ON/OFF button
as wakeup source for suspend, generic wake irq mechanism
will automatically enable it as wakeup source when suspend,
then the enable_irq_wake()/disable_irq_wake() can be removed
in suspend/resume callback, it simplifies the code.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Instead of signalling wakeup directly from i8042, let psmouse and atkbd
drivers execute basic protocol handling and only then signal wakeup
condition. This solves the issue where we increment wakeup counter
simply because we are getting responses from keyboard/mouse to the
commands we ourselves send to them as part of suspend transition.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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SNVS IRQ is requested before necessary driver data initialized,
if there is a pending IRQ during driver probe phase, kernel
NULL pointer panic will occur in IRQ handler. To avoid such
scenario, just initialize necessary driver data before enabling
IRQ. This patch is inspired by NXP's internal kernel tree.
Fixes: d3dc6e232215 ("input: keyboard: imx: add snvs power key driver")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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GT5663 is capacitive touch controller with customized smart
wakeup gestures.
Add support for it by adding compatible and supported chip data.
The chip data on GT5663 is similar to GT1151, like
- config data register has 0x8050 address
- config data register max len is 240
- config data checksum has 16-bit
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Goodix CTP controllers require AVDD28, VDDIO regulators for power-on
sequence.
The delay between these regualtor operations as per Power-on Timing
from datasheet[1] is 0 (T1 >= 0 usec).
So, enable and disable these regulators in proper order using normal
regulator functions without any delay in between.
[1] GT5663 Datasheet_English_20151106_Rev.01
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:
struct foo {
int stuff;
struct boo entry[];
};
size = sizeof(struct foo) + count * sizeof(struct boo);
instance = kzalloc(size, GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can
now use the new struct_size() helper:
instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
Notice that, in this case, variable size is not necessary, hence
it is removed.
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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There are many Lenovo laptops which need elan_i2c support, this patch adds
relevant IDs to the Elan driver so that touchpads are recognized.
Signed-off-by: KT Liao <kt.liao@emc.com.tw>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull input updates from Dmitry Torokhov:
- update the ili210x touchscreen driver, refreshing the code and adding
support for ILI251X line
- add support for st1633 to the st1232 touchscreen driver
- add support for sx8650 to the the sx8654 touchscreen driver
- add support for Evervision FT5726 to the edt-ft5x06 touchscreen
driver
- add support for gt5688 to the Goodix touchscreen driver
- new vibrator driver for MSM SOCs
- miscellaneous fixes for the rest of input drivers
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (53 commits)
Input: wacom_serial4 - add support for Wacom ArtPad II tablet
Input: elan_i2c - add id for touchpad found in Lenovo s21e-20
Input: raspberrypi-ts - select CONFIG_INPUT_POLLDEV
Input: msm-vibrator - use correct gpio header
Input: ti_am335x_tsc - remove set but not used variable 'tscadc_dev'
Input: i8042 - rework DT node name comparisons
Input: goodix - print values in case of inconsistencies
Input: goodix - refer to touchscreen.txt in device tree bindings
Input: goodix - support Goodix gt5688
Input: synaptics_i2c - remove redundant spinlock
Input: db9 - mark expected switch fall-through
Input: qt2160 - remove redundant spinlock
Input: st1232 - handle common DT bindings
Input: ims-pcu - switch to using brightness_set_blocking()
Input: st1232 - switch to gpiod API
Input: ili210x - fetch touchscreen geometry from DT
Input: msm-vibrator - tweak an error message
Input: tm2-touchkey - acknowledge that setting brightness is a blocking call
Input: stmfts - acknowledge that setting brightness is a blocking call
Input: ili210x - switch to using devm_device_add_group()
...
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Tablet initially begins communicating at 9600 baud, so this command
should be used to connect to the device:
$ inputattach --daemon --baud 9600 --wacom_iv /dev/ttyS0
https://github.com/linuxwacom/xf86-input-wacom/issues/40
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Lenovo s21e-20 uses ELAN0601 in its ACPI tables for the Elan touchpad.
Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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When CONFIG_INPUT_POLLDEV is disabled, we get a link error:
drivers/input/touchscreen/raspberrypi-ts.o: In function `rpi_ts_probe':
raspberrypi-ts.c:(.text+0xec): undefined reference to `devm_input_allocate_polled_device'
raspberrypi-ts.c:(.text+0xec): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `devm_input_allocate_polled_device'
raspberrypi-ts.c:(.text+0x19c): undefined reference to `input_register_polled_device'
raspberrypi-ts.c:(.text+0x19c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `input_register_polled_device'
Select that symbol like we do from the other similar drivers.
Fixes: 0b9f28fed3f7 ("Input: add official Raspberry Pi's touchscreen driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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When CONFIG_GPIOLIB is not set, we get a couple of build
errors during test building:
drivers/input/misc/msm-vibrator.c: In function 'msm_vibrator_start':
drivers/input/misc/msm-vibrator.c:79:3: error: implicit declaration of function 'gpiod_set_value_cansleep'; did you mean 'gpio_set_value_cansleep'? [-Werror=implicit-function-declaration]
gpiod_set_value_cansleep(vibrator->enable_gpio, 1);
^~~~~~~~~~~~~~~~~~~~~~~~
gpio_set_value_cansleep
drivers/input/misc/msm-vibrator.c: In function 'msm_vibrator_probe':
drivers/input/misc/msm-vibrator.c:176:26: error: implicit declaration of function 'devm_gpiod_get'; did you mean 'devm_gpio_free'? [-Werror=implicit-function-declaration]
vibrator->enable_gpio = devm_gpiod_get(&pdev->dev, "enable",
^~~~~~~~~~~~~~
devm_gpio_free
drivers/input/misc/msm-vibrator.c:177:13: error: 'GPIOD_OUT_LOW' undeclared (first use in this function); did you mean 'GPIOF_INIT_LOW'?
GPIOD_OUT_LOW);
^~~~~~~~~~~~~
GPIOF_INIT_LOW
drivers/input/misc/msm-vibrator.c:177:13: note: each undeclared identifier is reported only once for each function it appears in
This is easy to avoid when we use gpio/consumer.h as the documented interface.
Fixes: 0f681d09e66e ("Input: add new vibrator driver for various MSM SOCs")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull MFD updates from Lee Jones:
"New Drivers:
- Add STMPE ADC Input driver
- Add STMicroelectronics STPMIC1 Parent driver
- Add STMicroelectronics STPMIC1 OnKey Misc driver
- Add STMicroelectronics STPMIC1 Watchdog driver
- Add Cirrus Logic Lochnagar Parent driver
- Add TQ-Systems TQMX86 Parent driver
New Device Support:
- Add support for ADC to STMPE
New (or moved) Functionality:
- Move Lightbar functionality to its own driver; cros_ec_lightbar
- Move VBC functionality to its own driver; cros_ec_vbc
- Move VBC functionality to its own driver; cros_ec_vbc
- Move DebugFS functionality to its own driver; cros_ec_debugfs
- Move SYSFS functionality to its own driver; cros_ec_sysfs
- Add support for input voltage options; tps65218
Fixes:
- Use devm_* managed resources; cros_ec
- Device Tree documentation; stmpe, aspeed-lpc, lochnagar
- Trivial Clean-ups; stmpe
- Rip out broken modular code; aat2870-core, adp5520, as3711,
db8500-prcmu, htc-i2cpld, max8925-core, rc5t583, sta2x11-mfd,
syscon, tps65090, tps65910, tps68470 tps80031, wm831x-spi,
wm831x-i2c, wm831x-core, wm8350-i2c, wm8350-core, wm8400-core
- Kconfig fixups; INTEL_SOC_PMIC
- Improve error path; sm501, sec-core
- Use struct_size() helper; sm501
- Constify; at91-usart
- Use pointers instead of copying data; at91-usart
- Deliver proper return value; cros_ec_dev
- Trivial formatting/whitespace; sec-core"
* tag 'mfd-next-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (53 commits)
mfd: mxs-lradc: Mark expected switch fall-through
mfd: sec-core: Cleanup formatting to a consistent style
mfd: tqmx86: IO controller with I2C, Wachdog and GPIO
mfd: intel-lpss: Move linux/pm.h to the local header
mfd: cros_ec_dev: Return number of bytes read with CROS_EC_DEV_IOCRDMEM
mfd: tps68470: Drop unused MODULE_DEVICE_TABLE
mfd: at91-usart: No need to copy mfd_cell in probe
mfd: at91-usart: Constify at91_usart_spi_subdev and at91_usart_serial_subdev
mfd: lochnagar: Add support for the Cirrus Logic Lochnagar
mfd: lochnagar: Add initial binding documentation
dt-bindings: mfd: aspeed-lpc: Make parameter optional
mfd: sec-core: Return gracefully instead of BUG() if device cannot match
mfd: sm501: Use struct_size() in devm_kzalloc()
mfd: sm501: Fix potential NULL pointer dereference
mfd: Kconfig: Fix I2C_DESIGNWARE_PLATFORM dependencies
mfd: tps65218.c: Add input voltage options
mfd: wm8400-core: Make it explicitly non-modular
mfd: wm8350-core: Drop unused module infrastructure from non-modular code
mfd: wm8350-i2c: Make it explicitly non-modular
mfd: wm831x-core: Drop unused module infrastructure from non-modular code
...
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Pull ARM SoC late updates from Arnd Bergmann:
"Here are two branches that came relatively late during the linux-5.0
development cycle and have dependencies on the other branches:
- On the TI OMAP platform, the CPSW Ethernet PHY mode selection
driver is being replaced, this puts the final pieces in place
- On the DaVinci platform, the interrupt handling code in arch/arm
gets moved into a regular device driver in drivers/irqchip.
Since they both had some time in linux-next after the 5.0-rc8 release,
I'm sending them along with the other updates"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (38 commits)
net: ethernet: ti: cpsw: deprecate cpsw-phy-sel driver
ARM: davinci: remove intc related fields from davinci_soc_info
irqchip: davinci-cp-intc: move the driver to drivers/irqchip
ARM: davinci: cp-intc: remove redundant comments
ARM: davinci: cp-intc: drop GPL license boilerplate
ARM: davinci: cp-intc: use readl/writel_relaxed()
ARM: davinci: cp-intc: unify error handling
ARM: davinci: cp-intc: improve coding style
ARM: davinci: cp-intc: request the memory region before remapping it
ARM: davinci: cp-intc: use the new-style config structure
ARM: davinci: cp-intc: convert all hex numbers to lowercase
ARM: davinci: cp-intc: use a common prefix for all symbols
ARM: davinci: cp-intc: add the new config structures for da8xx SoCs
irqchip: davinci-cp-intc: add a new config structure
ARM: davinci: cp-intc: add a wrapper around cp_intc_init()
ARM: davinci: cp-intc: remove cp_intc.h
irqchip: davinci-aintc: move the driver to drivers/irqchip
ARM: davinci: aintc: remove unnecessary includes
ARM: davinci: aintc: remove the timer-specific irq_set_handler()
ARM: davinci: aintc: request memory region before remapping it
...
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Reduce size of duplicated comments by switching to use SPDX identifier.
No functional change.
While here, correct MODULE_LICENSE() string to be aligned with license text.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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ACPI allows to enumerate specific devices by using compatible strings.
Enable that enumeration for EDT touchscreen devices.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Prepare input updates for 5.1 merge window.
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DaVinci SoC updates for v5.1 (part 3)
-------------------------------------
This pull request gets rid of mach-davinci private interrupt controller
implmentations (aintc and cp_initc) and moves them to drivers/irqchip.
mach/irqs.h usage outside of mach-davinci has been rid of.
The driver changes (input and irqchip) have been acked by respective
maintainers.
* tag 'davinci-for-v5.1/soc-part3' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci: (57 commits)
ARM: davinci: remove intc related fields from davinci_soc_info
irqchip: davinci-cp-intc: move the driver to drivers/irqchip
ARM: davinci: cp-intc: remove redundant comments
ARM: davinci: cp-intc: drop GPL license boilerplate
ARM: davinci: cp-intc: use readl/writel_relaxed()
ARM: davinci: cp-intc: unify error handling
ARM: davinci: cp-intc: improve coding style
ARM: davinci: cp-intc: request the memory region before remapping it
ARM: davinci: cp-intc: use the new-style config structure
ARM: davinci: cp-intc: convert all hex numbers to lowercase
ARM: davinci: cp-intc: use a common prefix for all symbols
ARM: davinci: cp-intc: add the new config structures for da8xx SoCs
irqchip: davinci-cp-intc: add a new config structure
ARM: davinci: cp-intc: add a wrapper around cp_intc_init()
ARM: davinci: cp-intc: remove cp_intc.h
irqchip: davinci-aintc: move the driver to drivers/irqchip
ARM: davinci: aintc: remove unnecessary includes
ARM: davinci: aintc: remove the timer-specific irq_set_handler()
ARM: davinci: aintc: request memory region before remapping it
ARM: davinci: aintc: unify error handling
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/input/touchscreen/ti_am335x_tsc.c: In function 'titsc_suspend':
drivers/input/touchscreen/ti_am335x_tsc.c:510:24: warning:
variable 'tscadc_dev' set but not used [-Wunused-but-set-variable]
drivers/input/touchscreen/ti_am335x_tsc.c: In function 'titsc_resume':
drivers/input/touchscreen/ti_am335x_tsc.c:527:24: warning:
variable 'tscadc_dev' set but not used [-Wunused-but-set-variable]
It's not used any more after 333e07ec4b33 ("Input: ti_am335x_tsc: Mark TSC
device as wakeup source")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The mach/ and asm/ includes are not needed in davinci_keyscan, but they
will cause build problems once we make mach/irqs.h a private header for
mach-davinci.
Remove all unused header includes.
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Convert string compares of DT node names to use of_node_name_eq helper
instead. For the root node on SUN DT, we need to retrieve the 'name'
property as it is the rare case where the 'name' property and node name
differ. With both changes, it removes direct access to the node name
pointer.
While at it, convert the open coded loop to use for_each_child_of_node().
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull input fixes from Dmitry Torokhov:
- tweaks to Elan drivers (both PS/2 and I2C) to support new devices.
Also revert of one of IDs as that device should really be driven by
i2c-hid + hid-multitouch
- a few drivers have been switched to set_brightness_blocking() call
because they either were sleeping the their set_brightness()
implementation or used workqueue but were not canceling it on unbind.
- ps2-gpio and matrix_keypad needed to [properly] flush their works to
avoid potential use-after-free on unbind.
- other miscellaneous fixes.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elan_i2c - add ACPI ID for touchpad in Lenovo V330-15ISK
Input: st-keyscan - fix potential zalloc NULL dereference
Input: apanel - switch to using brightness_set_blocking()
Revert "Input: elan_i2c - add ACPI ID for touchpad in ASUS Aspire F5-573G"
Input: qt2160 - switch to using brightness_set_blocking()
Input: matrix_keypad - use flush_delayed_work()
Input: ps2-gpio - flush TX work when closing port
Input: cap11xx - switch to using set_brightness_blocking()
Input: elantech - enable 3rd button support on Fujitsu CELSIUS H780
Input: bma150 - register input device after setting private data
Input: pwm-vibra - stop regulator after disabling pwm, not before
Input: pwm-vibra - prevent unbalanced regulator
Input: snvs_pwrkey - allow selecting driver for i.MX 7D
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"Invalid config" gives little idea what's wrong. Print the values that
must not be 0 so we know which ones are off.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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From what I've seen in vendor trees it's fine to treat this as gt1x¹.
Tested on the Purism Librem 5 Devkit (Rocktech JH057N00900 panel).
[1]: https://github.com/TadiT7/android_kernel_mtk-4.4/tree/master/drivers/input/touchscreen/mediatek/GT5688
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Remove a leftover spinlock.
This was required back when mod_delayed_work() did not exist, and had to
be implemented with a cancel + queue. See commit e7c2f967445d
("workqueue: use mod_delayed_work() instead of __cancel + queue")
schedule_delayed_work() and mod_delayed_work() can now be used
concurrently. So the spinlock is no longer needed.
Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This adds ELAN0617 to the ACPI table to support Elan touchpad found in
Lenovo V330-15ISK.
Signed-off-by: Mauro Ciancio <mauro@acadeu.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This patch fixes the following static checker warning:
drivers/input/keyboard/st-keyscan.c:156 keyscan_probe()
error: potential zalloc NULL dereference: 'keypad_data->input_dev'
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Now that LEDs core allows "blocking" flavor of "set brightness" method we
can use it and get rid of private work item. As a bonus, we are no longer
forgetting to cancel it when we unbind the driver.
Reviewed-by: Sven Van Asbroeck <TheSven73@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.
This patch fixes the following warning:
drivers/input/joystick/db9.c: In function ‘db9_saturn_read_packet’:
drivers/input/joystick/db9.c:256:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (tmp == 0xff) {
^
drivers/input/joystick/db9.c:263:2: note: here
default:
^~~~~~~
Notice that, in this particular case, the code comment is modified
in accordance with what GCC is expecting to find.
This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Remove a spinlock which prevents schedule_delayed_work() and
mod_delayed_work() from executing concurrently.
This was required back when mod_delayed_work() did not exist,
and had to be implemented with a cancel + schedule. See
commit e7c2f967445d ("workqueue: use mod_delayed_work() instead of
__cancel + queue")
schedule_delayed_work() and mod_delayed_work() can now be used
concurrently. So the spinlock is no longer needed.
Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This is required to specify generic touchscreen properties via DT.
Signed-off-by: Matthias Fend <matthias.fend@wolfvision.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Now that LEDs core allows "blocking" flavor of "set brightness" method we
can use it and get rid of private work item.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Use devm_gpiod_get_optional() and gpiod_set_value_cansleep() instead
of the old API. The st1232_ts_power() now passes on the inverted "poweron"
value to reflect the correct logical value.
Signed-off-by: Martin Kepplinger <martin.kepplinger@ginzinger.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This reverts commit 7db54c89f0b30a101584e09d3729144e6170059d as it
breaks Acer Aspire V-371 and other devices. According to Elan:
"Acer Aspire F5-573G is MS Precision touchpad which should use hid
multitouch driver. ELAN0501 should not be added in elan_i2c."
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=202503
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Now that LEDs core allows "blocking" flavor of "set brightness" method we
can use it and get rid of private work items.
Reviewed-by: Sven Van Asbroeck <TheSven73@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fetching the geometry from the ILI251x registers seems unreliable and
sometimes returns all zeroes. Add support for fetching the geometry and
axis inversion from DT instead.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The PTR_ERR(NULL) value is zero and it's not useful to print that.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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We should be using flush_delayed_work() instead of flush_work() in
matrix_keypad_stop() to ensure that we are not missing work that is
scheduled but not yet put in the workqueue (i.e. its delay timer has not
expired yet).
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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To ensure that TX work is not running after serio port has been torn down,
let's flush it when closing the port.
Reported-by: Sven Van Asbroeck <thesven73@gmail.com>
Acked-by: Danilo Krummrich <danilokrummrich@dk-develop.de>
Reviewed-by: Sven Van Asbroeck <TheSven73@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Updating LED state requires access to regmap and therefore we may sleep,
so we could not do that directly form set_brightness() method.
Historically we used private work to adjust the brightness, but with the
introduction of set_brightness_blocking() we no longer need it.
As a bonus, not having our own work item means we do not have
use-after-free issue as we neglected to cancel outstanding work on
driver unbind.
Reported-by: Sven Van Asbroeck <thesven73@gmail.com>
Reviewed-by: Sven Van Asbroeck <TheSven73@googlemail.com>
Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Like Fujitsu CELSIUS H760, the H780 also has a three-button Elantech
touchpad, but the driver needs to be told so to enable the middle touchpad
button.
The elantech_dmi_force_crc_enabled quirk was not necessary with the H780.
Also document the fw_version and caps values detected for both H760 and
H780 models.
Signed-off-by: Matti Kurkela <Matti.Kurkela@iki.fi>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Philipp Zabel
Pan Bian
Jacky Bai
Joseph Salisbury
Jean Delvare
Linus Walleij
Linus Torvalds
Ziping Chen
Anson Huang
Dmitry Torokhov
Jagan Teki
Gustavo A. R. Silva
KT Liao
Jason Gerecke
Vincent Batts
Arnd Bergmann
Andy Shevchenko
YueHaibing
Bartosz Golaszewski
Rob Herring
Guido Günther
Sven Van Asbroeck
Mauro Ciancio
Gabriel Fernandez
Matthias Fend
Martin Kepplinger
Marek Vasut
Dan Carpenter
Matti Kurkela