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path: root/drivers/input/touchscreen
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2020-01-10Input: edt-ft5x06 - use pm core to enable/disable the wake irqMarco Felsch1-24/+0
We do not have to handle the wake-irq within the driver because the pm core can handle this for us. The only use case for the suspend/resume callbacks was to handle the wake-irq so we can remove the callbacks. Signed-off-by: Marco Felsch <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2020-01-10Input: edt-ft5x06 - make wakeup-source switchableMarco Felsch1-1/+0
Since day one the touch controller acts as wakeup-source. This seems to be wrong since the device supports deep-sleep mechanism [1] which requires a reset to leave it. Also some designs won't use the touchscreen as wakeup-source. According discussion [2] we decided to break backward compatibility and go the common way by using the 'wakeup-source' device-property. [1] https://www.newhavendisplay.com/appnotes/datasheets/touchpanel/FT5x26.pdf [2] https://patchwork.kernel.org/patch/11149037/ Signed-off-by: Marco Felsch <[email protected]> Tested-by: Andy Shevchenko <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2020-01-10Input: edt-ft5x06 - alphabetical include reorderMarco Felsch1-11/+12
It seems that the include order is historical increased and no one takes care of it. Fix this to align it with the common rule to be in a alphabetical order. Signed-off-by: Marco Felsch <[email protected]> Tested-by: Andy Shevchenko <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2020-01-10Input: edt-ft5x06 - work around first register access errorPhilipp Zabel1-0/+7
The EP0700MLP1 returns bogus data on the first register read access (reading the threshold parameter from register 0x00): edt_ft5x06 2-0038: crc error: 0xfc expected, got 0x40 It ignores writes until then. This patch adds a dummy read after which the number of sensors and parameter read/writes work correctly. Signed-off-by: Philipp Zabel <[email protected]> Signed-off-by: Marco Felsch <[email protected]> Tested-by: Andy Shevchenko <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2020-01-10Input: sur40 - fix interface sanity checksJohan Hovold1-1/+1
Make sure to use the current alternate setting when verifying the interface descriptors to avoid binding to an invalid interface. This in turn could cause the driver to misbehave or trigger a WARN() in usb_submit_urb() that kernels with panic_on_warn set would choke on. Fixes: bdb5c57f209c ("Input: add sur40 driver for Samsung SUR40 (aka MS Surface 2.0/Pixelsense)") Signed-off-by: Johan Hovold <[email protected]> Acked-by: Vladis Dronov <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2020-01-10Input: sun4i-ts - add a check for devm_thermal_zone_of_sensor_registerChuhong Yuan1-1/+5
The driver misses a check for devm_thermal_zone_of_sensor_register(). Add a check to fix it. Fixes: e28d0c9cd381 ("input: convert sun4i-ts to use devm_thermal_zone_of_sensor_register") Signed-off-by: Chuhong Yuan <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-12-12Input: elants_i2c - check Remark ID when attempting firmware updateJohnny.Chuang1-8/+69
To avoid flashing incompatible firmware onto a device we should check whether "Remark ID" in firmware matches with the one in the controller. This function is supported by Elan's latest version of boot code, so the driver decides whether to perform the check based on the boot code version. Signed-off-by: Johnny Chuang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-12-06Merge branch 'next' into for-linusDmitry Torokhov1-0/+9
Prepare second round of updates for 5.5 merge window.
2019-12-04Input: goodix - add upside-down quirk for Teclast X89 tabletHans de Goede1-0/+9
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 <[email protected]> Reviewed-by: Bastien Nocera <[email protected]> Link: https://lore.kernel.org/r/[email protected] Cc: [email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-25Merge branch 'next' into for-linusDmitry Torokhov15-481/+586
Prepare input updates for 5.5 merge window.
2019-11-22Input: fix Kconfig indentationKrzysztof Kozlowski1-1/+1
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 <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-12Input: cyttsp4_core - fix use after free bugPan Bian1-7/+0
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 <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-12Input: ili210x - optionally show calibrate sysfs attributeSven Van Asbroeck1-0/+14
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 <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-12Input: ili210x - add resolution to chip operations structureSven Van Asbroeck1-2/+7
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 <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-12Input: ili210x - do not retrieve/print chip firmware versionSven Van Asbroeck1-21/+0
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 <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-11Input: mms114 - use device_get_match_dataStephan Gerhold1-2/+1
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 <[email protected]> Reviewed-by: Andi Shyti <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-11Merge branch 'ili2xxx-touchscreen' into nextDmitry Torokhov1-162/+216
Bring in improvements to ili2xxx driver, including support for 2117A/2118A controllers.
2019-11-11Input: ili210x - remove unneeded suspend and resume handlersDmitry Torokhov1-24/+0
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 <[email protected]> #imx6q-logicpd Tested-by: Sven Van Asbroeck <[email protected]> # ILI2118A variant Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-11Input: ili210x - do not unconditionally mark touchscreen as wakeup sourceDmitry Torokhov1-2/+0
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 <[email protected]> #imx6q-logicpd Tested-by: Sven Van Asbroeck <[email protected]> # ILI2118A variant Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-11Input: ili210x - define and use chip operations structureDmitry Torokhov1-136/+173
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 <[email protected]>. Tested-by: Adam Ford <[email protected]> #imx6q-logicpd Tested-by: Sven Van Asbroeck <[email protected]> # ILI2118A variant Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-11Input: ili210x - do not set parent device explicitlyDmitry Torokhov1-1/+0
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 <[email protected]> #imx6q-logicpd Tested-by: Sven Van Asbroeck <[email protected]> # ILI2118A variant Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-11Input: ili210x - handle errors from input_mt_init_slots()Dmitry Torokhov1-1/+6
input_mt_init_slots() may fail and we need to handle such failures. Tested-by: Adam Ford <[email protected]> #imx6q-logicpd Tested-by: Sven Van Asbroeck <[email protected]> # ILI2118A variant Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-11Input: ili210x - switch to using threaded IRQDmitry Torokhov1-61/+56
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 <[email protected]> #imx6q-logicpd Tested-by: Sven Van Asbroeck <[email protected]> # ILI2118A variant Tested-by: Marek Vasut <[email protected]> # ILI2117 Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-11Input: ili210x - add ILI2117 supportMarek Vasut1-1/+45
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 <[email protected]> Reviewed-by: Rob Herring <[email protected]> # for DT binding Tested-by: Adam Ford <[email protected]> #imx6q-logicpd Tested-by: Sven Van Asbroeck <[email protected]> # ILI2118A variant Signed-off-by: Dmitry Torokhov <[email protected]>
2019-11-11Input: ar1021 - fix typo in preprocessor macro nameFlavio Suligoi1-2/+2
Fix spelling mistake. Signed-off-by: Flavio Suligoi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-29Input: tsc6507x-ts - switch to using polled mode of input devicesDmitry Torokhov2-20/+17
We have added polled mode to the normal input devices with the intent of retiring input_polled_dev. This converts tsc6507x-ts driver to use the polling mode of standard input devices and removes dependency on INPUT_POLLDEV. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-29Input: ts4800-ts - switch to using polled mode of input devicesDmitry Torokhov2-31/+38
We have added polled mode to the normal input devices with the intent of retiring input_polled_dev. This converts ts4800-ts driver to use the polling mode of standard input devices and removes dependency on INPUT_POLLDEV. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-29Input: sur40 - switch to using polled mode of input devicesDmitry Torokhov2-40/+53
We have added polled mode to the normal input devices with the intent of retiring input_polled_dev. This converts sur40 driver to use the polling mode of standard input devices and removes dependency on INPUT_POLLDEV. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-29Input: raspberrypi-ts - switch to using polled mode of input devicesDmitry Torokhov2-19/+20
We have added polled mode to the normal input devices with the intent of retiring input_polled_dev. This converts raspberrypi-ts driver to use the polling mode of standard input devices and removes dependency on INPUT_POLLDEV. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-28Input: edt-ft5x06 - add support for regulatorMylène Josserand1-0/+30
Add the support for enabling optional regulator that may be used as VCC source. Signed-off-by: Mylène Josserand <[email protected]> Signed-off-by: Ondrej Jirman <[email protected]> Reviewed-by: Rob Herring <[email protected]> # bindings Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-28Input: st1232 - switch to using MT-B protocolDmitry Torokhov1-54/+56
Switch the driver to the slotted variant of multitouch protocol (MT-B) with in-kernel tracking of the contacts. Tested-by: Matthias Fend <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-28Input: st1232 - note that the receive buffer is DMA-safeDmitry Torokhov1-1/+1
The receiving buffer is allocated separately from the main driver data structure, and is naturally DMA-safe, so mark it as such when building I2C transfer message. Tested-by: Matthias Fend <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-28Input: st1232 - do not set parent device explicitlyDmitry Torokhov1-1/+0
devm_input_allocate_device() already sets parent device for us. Tested-by: Matthias Fend <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-28Input: st1232 - do not allocate fingers data separatelyDmitry Torokhov1-10/+6
The finger structure size is quite small and allocating it together with the main driver structure will not increase likelyhood of allocation failing, but reduces number of objects needing to be tracked by the allocator and devm. Tested-by: Matthias Fend <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-28Input: st1232 - do not reset the chip too earlyDmitry Torokhov1-10/+12
We should not be putting the chip into reset while interrupts are enabled and ISR may be running. Fix this by installing a custom devm action and powering off the device/resetting GPIO line from there. This ensures proper ordering. Tested-by: Matthias Fend <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-28Input: st1232 - rely on I2C core to configure wakeup interruptDmitry Torokhov1-10/+6
When I2C client is created with I2C_CLIENT_WAKE flag (which happens either because we have "wakeup-source" device property or the flag was passed in when creating an I2C client manually), I2C core will take care of configuring interrupt as wakeup source on suspend. Tested-by: Matthias Fend <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-28Input: st1232 - do not unconditionally configure as wakeup sourceDmitry Torokhov1-1/+0
Do not unconditionally configure the touchscreen as wakeup source but rather rely on I2C core to do that when requested (either via "wakeup-source" device property, or when creating a client with I2C_CLIENT_WAKE flag). Tested-by: Matthias Fend <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-28Input: st1232 - simplify parsing of read bufferDmitry Torokhov1-25/+25
Avoid complex 2-variable loop when parsing touchscreen data to make the code clearer. Acked-by: Martin Kepplinger <[email protected]> Tested-by: Matthias Fend <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-27Input: wacom_i2c - remove unneeded gpio.h header fileFabio Estevam1-1/+0
There is no gpio functions used in the driver that is exported by the gpio.h header, so remove this unneeded header. Signed-off-by: Fabio Estevam <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-27Input: s3c2410_ts - remove unneeded gpio.h header fileFabio Estevam1-1/+0
There is no gpio functions used in the driver that is exported by the gpio.h header, so remove this unneeded header. Signed-off-by: Fabio Estevam <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-27Input: colibri-vf50-ts - remove unneeded gpio.h header fileFabio Estevam1-1/+0
The touchscreen device is a GPIO consumer, not a GPIO controller, so there is no need to include <linux/gpio.h>. Remove the unneeded header file. Signed-off-by: Fabio Estevam <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-27Merge tag 'v5.4-rc5' into nextDmitry Torokhov3-12/+56
Sync up with mainline.
2019-10-25Merge branch 'for-linus' of ↵Linus Torvalds1-2/+4
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fix from Dmitry Torokhov: "A fix for st1232 driver to properly report coordinates for 2nd and subsequent fingers when more than one is on the surface" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: st1232 - fix reporting multitouch coordinates
2019-10-21Input: st1232 - fix reporting multitouch coordinatesDixit Parmar1-2/+4
For Sitronix st1633 multi-touch controller driver the coordinates reported for multiple fingers were wrong, as it was always taking LSB of coordinates from the first contact data. Signed-off-by: Dixit Parmar <[email protected]> Reviewed-by: Martin Kepplinger <[email protected]> Cc: [email protected] Fixes: 351e0592bfea ("Input: st1232 - add support for st1633") Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=204561 Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-17Merge branch 'for-linus' of ↵Linus Torvalds1-8/+50
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: "The main change is that we are reverting blanket enablement of SMBus mode for devices with Elan touchpads that report BIOS release date as 2018+ because there are older boxes with updated BIOSes that still do not work well in SMbus mode. We will have to establish whitelist for SMBus mode it looks like" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Revert "Input: elantech - enable SMBus on new (2018+) systems" Input: synaptics-rmi4 - avoid processing unknown IRQs Input: soc_button_array - partial revert of support for newer surface devices Input: goodix - add support for 9-bytes reports Input: da9063 - fix capability and drop KEY_SLEEP
2019-10-09Input: pixcir_i2c_ts - remove platform dataDmitry Torokhov1-75/+25
Previous change moved platform data definition into the driver, making it unusable for users. Given that we want to move away from custom platform data structures, and always use device properties (DT, ACPI or static) to configure devices, let's complete the removal. Tested-by: Fabio Estevam <[email protected]> Tested-by: Michal Vokáč <[email protected]> Reviewed-by: Roger Quadros <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-09Input: pixcir_i2c_ts - do not print error on defer probeFabio Estevam1-2/+6
In the case of defer probe we should not print an error message. This also aligns with how defer probe is handled in the other GPIOs used by this driver. Signed-off-by: Fabio Estevam <[email protected]> Reviewed-by: Roger Quadros <[email protected]> Tested-by: Michal Vokáč <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-09Input: pixcir_i2c_ts - print register address in decimalFabio Estevam1-6/+6
The pixcir datasheet lists the registers addresses in decimal and so are PIXCIR_REG_POWER_MODE and PIXCIR_REG_INT_MODE defined in decimal. Change the error messages to print the register addresses in decimal instead of hexadecimal for better readability. Signed-off-by: Fabio Estevam <[email protected]> Reviewed-by: Roger Quadros <[email protected]> Tested-by: Michal Vokáč <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-09Input: pixcir_i2c_ts - keep header files sortedFabio Estevam1-5/+5
Keep the header files in alphabetical order to keep it more organized. Signed-off-by: Fabio Estevam <[email protected]> Reviewed-by: Roger Quadros <[email protected]> Tested-by: Michal Vokáč <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2019-10-09Input: pixcir_i2c_ts - move definitions into a single fileFabio Estevam1-1/+59
All the defined symbols from linux/platform_data/pixcir_i2c_ts.h are only used by the pixcir_i2c_ts driver, so move all the definitions locally and get rid of the pixcir_i2c_ts.h file. Signed-off-by: Fabio Estevam <[email protected]> Reviewed-by: Roger Quadros <[email protected]> Tested-by: Michal Vokáč <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
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