| Commit message (Collapse) | Author | Age | Files | Lines |
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We have added polled mode to the normal input devices with the intent of
retiring input_polled_dev. This converts adc-keys driver to use the
polling mode of standard input devices and removes dependency on
INPUT_POLLDEV.
Acked-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.kernel.org/r/20191017204217.106453-6-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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/20191017204217.106453-5-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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/20191017204217.106453-4-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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/20191017204217.106453-3-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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/20191017204217.106453-2-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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We have added polled mode to the normal input devices with the intent of
retiring input_polled_dev. This converts psxpad-spi driver to use the
polling mode of standard input devices and removes dependency on
INPUT_POLLDEV.
Link: https://lore.kernel.org/r/20191001220421.GA66693@dtor-ws
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add the support for enabling optional regulator that may be used as VCC
source.
Signed-off-by: Mylène Josserand <mylene.josserand@bootlin.com>
Signed-off-by: Ondrej Jirman <megous@megous.com>
Reviewed-by: Rob Herring <robh@kernel.org> # bindings
Link: https://lore.kernel.org/r/20191029005806.3577376-2-megous@megous.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Switch the driver to the slotted variant of multitouch protocol (MT-B)
with in-kernel tracking of the contacts.
Tested-by: Matthias Fend <Matthias.Fend@wolfvision.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <Matthias.Fend@wolfvision.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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devm_input_allocate_device() already sets parent device for us.
Tested-by: Matthias Fend <Matthias.Fend@wolfvision.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <Matthias.Fend@wolfvision.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <Matthias.Fend@wolfvision.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <Matthias.Fend@wolfvision.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <Matthias.Fend@wolfvision.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Avoid complex 2-variable loop when parsing touchscreen data to make the
code clearer.
Acked-by: Martin Kepplinger <martink@posteo.de>
Tested-by: Matthias Fend <Matthias.Fend@wolfvision.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <festevam@gmail.com>
Link: https://lore.kernel.org/r/20191026185958.24158-3-festevam@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <festevam@gmail.com>
Link: https://lore.kernel.org/r/20191026185958.24158-2-festevam@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <festevam@gmail.com>
Link: https://lore.kernel.org/r/20191026185958.24158-1-festevam@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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devm_fwnode_get_gpiod_from_child() is going away as the name is too
unwieldy, let's switch to using the new devm_fwnode_gpiod_get().
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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devm_fwnode_get_gpiod_from_child() is going away as the name is too
unwieldy, let's switch to using the new devm_fwnode_gpiod_get().
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Sync up with mainline.
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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
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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
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git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"CrOS EC / MFD Migration:
- Move cros_ec core driver from mfd into chrome platform.
Wilco EC:
- Add batt_ppid_info command to Wilco telemetry driver.
CrOS EC:
- cros_ec_rpmsg : Add support to inform EC of suspend/resume status
- cros_ec_rpmsg : Fix race condition on probe failed
- cros_ec_chardev : Add a poll handler to receive MKBP events
Misc:
- bugfixes in cros_usbpd_logger and cros_ec_ishtp"
* tag 'tag-chrome-platform-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_usbpd_logger: null check create_singlethread_workqueue
platform/chrome: cros_ec_chardev: Add a poll handler to receive MKBP events
platform/chrome: cros_ec_rpmsg: Fix race with host command when probe failed
platform/chrome: chromeos_tbmc: Report wake events
mfd: cros_ec: Use mfd_add_hotplug_devices() helper
mfd: cros_ec: Add convenience struct to define autodetectable CrOS EC subdevices
mfd: cros_ec: Add convenience struct to define dedicated CrOS EC MCUs
mfd: cros_ec: Use kzalloc and cros_ec_cmd_xfer_status helper
mfd / platform: cros_ec: Reorganize platform and mfd includes
mfd / platform: cros_ec: Rename config to a better name
mfd: cros_ec: Switch to use the new cros-ec-chardev driver
mfd / platform: cros_ec: Miscellaneous character device to talk with the EC
mfd / platform: cros_ec: Move cros-ec core driver out from MFD
mfd / platform: cros_ec: Handle chained ECs as platform devices
platform/chrome: cros_ec_rpmsg: Add host command AP sleep state support
platform/chrome: chromeos_laptop: drop checks of NULL-safe functions
platform/chrome: wilco_ec: Add batt_ppid_info command to telemetry driver
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There is a bit of mess between cros-ec mfd includes and platform
includes. For example, we have a linux/mfd/cros_ec.h include that
exports the interface implemented in platform/chrome/cros_ec_proto.c. Or
we have a linux/mfd/cros_ec_commands.h file that is non related to the
multifunction device (in the sense that is not exporting any function of
the mfd device). This causes crossed includes between mfd and
platform/chrome subsystems and makes the code difficult to read, apart
from creating 'curious' situations where a platform/chrome driver includes
a linux/mfd/cros_ec.h file just to get the exported functions that are
implemented in another platform/chrome driver.
In order to have a better separation on what the cros-ec multifunction
driver does and what the cros-ec core provides move and rework the
affected includes doing:
- Move cros_ec_commands.h to include/linux/platform_data/cros_ec_commands.h
- Get rid of the parts that are implemented in the platform/chrome/cros_ec_proto.c
driver from include/linux/mfd/cros_ec.h to a new file
include/linux/platform_data/cros_ec_proto.h
- Update all the drivers with the new includes, so
- Drivers that only need to know about the protocol include
- linux/platform_data/cros_ec_proto.h
- linux/platform_data/cros_ec_commands.h
- Drivers that need to know about the cros-ec mfd device also include
- linux/mfd/cros_ec.h
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Series changes: 3
- Fix dereferencing pointer to incomplete type 'struct cros_ec_dev' (lkp)
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Now, the ChromeOS EC core driver has nothing related to an MFD device, so
move that driver from the MFD subsystem to the platform/chrome subsystem.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- input core allows hardware drivers to specify a [more precise]
timestamp (normally taken in top half) to better track velocity of
contacts
- input_dev instances now support "polling" mode so that drivers could
use the same object for polled and interrupt-driven operation. The
plan is to convert existing drivers and retire input_polled_dev API
- a new driver for the FlySky FS-iA6B RC receiver
- a refresh of BU21013 touchpad driver
- w90x900 keyboard and touchpad drivers are removed as the platform is
gone
- assorted fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (45 commits)
Input: sidewinder - make array seq static const, makes object smaller
Input: reset device timestamp on sync
Input: bu21013_ts - switch to using standard touchscreen properties
Input: bu21013_ts - switch to using MT-B (slotted) protocol
Input: bu21013_ts - fix suspend when wake source
Input: bu21013_ts - use interrupt from I2C client
Input: bu21013_ts - remove support for platform data
Input: bu21013_ts - convert to using managed resources
Input: bu21013_ts - remove useless comments
Input: bu21013_ts - annotate supend/resume methods as __maybe_unused
Input: bu21013_ts - rename some variables
Input: bu21013_ts - convert to use GPIO descriptors
ARM: ux500: improve BU21013 touchpad bindings
Input: i8042 - enable wakeup on a stable struct device
Input: soc_button_array - use platform_device_register_resndata()
Input: psmouse - drop all unneeded functions from mouse headers
Input: add support for polling to input devices
Input: wacom_w8001 - allocate additional space for 'phys'
Input: cros_ec_keyb - add back missing mask for event_type
Input: remove dev_err() usage after platform_get_irq()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- a new sensor driver for ov5675
- a new platform driver for Allwinner A10 sensor interface
- some new remote controller keymaps
- some cosmetic changes at V4L2 core in order to avoid #ifdefs and to
merge two core modules into one
- removal of bcm2048 radio driver from staging
- removal of davinci_vpfe video driver from staging
- regression fix since Kernel 5.1 at the legacy VideoBuffer version 1
core
- added some documentation for remote controller protocols
- pixel format documentation was split on two files
- lots of other driver improvements and cleanups
* tag 'media/v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (321 commits)
media: videobuf-core.c: poll_wait needs a non-NULL buf pointer
media: sun4i: Make sun4i_csi_formats static
media: imx: remove unused including <linux/version.h>
media: stm32-dcmi: Delete an unnecessary of_node_put() call in dcmi_probe()
media: pvrusb2: qctrl.flag will be uninitlaized if cx2341x_ctrl_query() returns error code
media: em28xx: Fix exception handling in em28xx_alloc_urbs()
media: don't do a 31 bit shift on a signed int
media: use the BIT() macro
media: ov9650: add a sanity check
media: aspeed-video: address a protential usage of an unitialized var
media: vicodec: make life easier for static analyzers
media: remove include stdarg.h from some drivers
v4l2-core: fix coding style for the two new c files
media: v4l2-core: Remove BUG() from i2c and spi helpers
media: v4l2-core: introduce a helper to unregister a i2c subdev
media: v4l2-core: introduce a helper to unregister a spi subdev
media: v4l2-core: move i2c helpers out of v4l2-common.c
media: v4l2-core: move spi helpers out of v4l2-common.c
media: v4l2-core: Module re-organization
media: usbvision: Remove dead code
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Linux 5.3-rc4
* tag 'v5.3-rc4': (750 commits)
Linux 5.3-rc4
Makefile: Convert -Wimplicit-fallthrough=3 to just -Wimplicit-fallthrough for clang
ARM: ep93xx: Mark expected switch fall-through
scsi: fas216: Mark expected switch fall-throughs
pcmcia: db1xxx_ss: Mark expected switch fall-throughs
video: fbdev: omapfb_main: Mark expected switch fall-throughs
watchdog: riowd: Mark expected switch fall-through
s390/net: Mark expected switch fall-throughs
crypto: ux500/crypt: Mark expected switch fall-throughs
watchdog: wdt977: Mark expected switch fall-through
watchdog: scx200_wdt: Mark expected switch fall-through
watchdog: Mark expected switch fall-throughs
ARM: signal: Mark expected switch fall-through
mfd: omap-usb-host: Mark expected switch fall-throughs
mfd: db8500-prcmu: Mark expected switch fall-throughs
ARM: OMAP: dma: Mark expected switch fall-throughs
ARM: alignment: Mark expected switch fall-throughs
ARM: tegra: Mark expected switch fall-through
ARM/hw_breakpoint: Mark expected switch fall-throughs
mm/memremap: Fix reuse of pgmap instances with internal references
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This driver set the colorspace to SRGB, but that makes no sense for
a touchscreen. Use RAW instead. This also ensures consistency with the
v4l_pix_format_touch() call that's used in v4l2-ioctl.c.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Florian Echtler <floe@butterbrot.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Use the definition provided by include/asm/vmware.h.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Doug Covelli <dcovelli@vmware.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-input@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: <pv-drivers@vmware.com>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20190828080353.12658-5-thomas_os@shipmail.org
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Simplify the ring buffer handling with the in-place API.
Also avoid the dynamic allocation and the memory leak in the channel
callback function.
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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On some platforms the adp5589 is used in GPIO only mode. On these platforms
we do not want to register a input device, so make that optional and only
create the input device if a keymap is supplied.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20191023070541.13940-1-alexandru.ardelean@analog.com
[dtor: dropped unnecessary changes related to passing pdata to various
functions]
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The driver contains half of the implementation of /dev/rtc, but this
was never completed, and it is now incompatible with the drivers/rtc
framework.
Remove the chardev completely. If anyone wants to add the functionality
later, that shoudl be done through rtc_register_device().
The remaining portions of the driver basically implement a single
procfs file that may or may not be used anywhere. Not sure why this
is in drivers/input/ though.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Helge Deller <deller@gmx.de>
Link: https://lore.kernel.org/r/20191023142521.3643152-1-arnd@arndb.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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i.MX8QXP is an ARMv8 SoC which has a Cortex-M4 system controller
inside, the system controller is in charge of controlling power,
clock and scu key etc..
Adds i.MX system controller key driver support, Linux kernel has
to communicate with system controller via MU (message unit) IPC
to get scu key's status.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1570412509-7893-2-git-send-email-Anson.Huang@nxp.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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In case the interrupt line is not available, polling can be used
to read out the state of the keys. Period of the polling needs to
be configured by the poll-interval DT property.
Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <festevam@gmail.com>
Tested-by: Michal Vokáč <michal.vokac@ysoft.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <festevam@gmail.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Tested-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <festevam@gmail.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Tested-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Keep the header files in alphabetical order to keep it
more organized.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Tested-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <festevam@gmail.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Tested-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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 <festevam@gmail.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Tested-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Now that instances of input_dev support polling mode natively,
we no longer need to create input_polled_dev instance.
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Some drivers need to be able to know the current polling interval for
devices working in polling mode, let's allow them fetching it.
Acked-By: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Across suspend and resume, we are seeing error messages like the following:
atmel_mxt_ts i2c-PRP0001:00: __mxt_read_reg: i2c transfer failed (-121)
atmel_mxt_ts i2c-PRP0001:00: Failed to read T44 and T5 (-121)
This occurs because the driver leaves its IRQ enabled. Upon resume, there
is an IRQ pending, but the interrupt is serviced before both the driver and
the underlying I2C bus have been resumed. This causes EREMOTEIO errors.
Disable the IRQ in suspend, and re-enable it on resume. If there are cases
where the driver enters suspend with interrupts disabled, that's a bug we
should fix separately.
Signed-off-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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>
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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>
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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>
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No timer must be left running when the device goes away.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reported-and-tested-by: syzbot+b6c55daa701fc389e286@syzkaller.appspotmail.com
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/1573726121.17351.3.camel@suse.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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>
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