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This adds ELAN0501 to the ACPI table to support Elan touchpad found in ASUS
Aspire F5-573G.
Signed-off-by: Patrick Dreyer <Patrick.Dreyer@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- new %ptR printk format
- rename core files
- allow registration of multiple nvmem devices
New driver:
- i.MX system controller RTC
Driver updates:
- abx80x: handle voltage ioctls, correct binding doc
- m41t80: correct month in alarm reads
- pcf85363: add pcf85263 support
- pcf8523: properly handle battery low flag
- s3c: limit alarm to one year in the future as ALMYEAR is broken
- sun6i: rework clock output binding"
* tag 'rtc-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (54 commits)
rtc: rename core files
rtc: nvmem: fix possible use after free
rtc: add i.MX system controller RTC support
dt-bindings: fsl: scu: add rtc binding
rtc: pcf2123: Add Microcrystal rv2123
rtc: class: reimplement devm_rtc_device_register
rtc: enforce rtc_timer_init private_data type
rtc: abx80x: Implement RTC_VL_READ,CLR ioctls
rtc: pcf85363: Add support for NXP pcf85263 rtc
dt-bindings: rtc: pcf85363: Document pcf85263 real-time clock
rtc: pcf8523: don't return invalid date when battery is low
dt-bindings: rtc: use a generic node name for ds1307
PM: Switch to use %ptR
m68k/mac: Switch to use %ptR
Input: hp_sdc_rtc - Switch to use %ptR
rtc: tegra: Switch to use %ptR
rtc: s5m: Switch to use %ptR
rtc: s3c: Switch to use %ptR
rtc: rx8025: Switch to use %ptR
rtc: rx6110: Switch to use %ptR
...
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Use %ptR instead of open coded variant to print content of
struct rtc_time in human readable format.
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
"The major change in this patchset is the new system call table
generation support from Firoz Khan"
* 'parisc-4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: syscalls: ignore nfsservctl for other architectures
parisc: generate uapi header and system call table files
parisc: add system call table generation support
parisc: remove __NR_Linux from uapi header file.
parisc: add __NR_syscalls along with __NR_Linux_syscalls
parisc: move __IGNORE* entries to non uapi header
parisc: Fix HP SDC hpa address output
parisc: Fix serio address output
parisc: Split out alternative live patching code
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Show the hpa address of the HP SDC instead of a hashed value, e.g.:
HP SDC: HP SDC at 0xf0201000, IRQ 23 (NMI IRQ 24)
Signed-off-by: Helge Deller <deller@gmx.de>
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We want the hpa addresses printed in the serio modules, not some
virtual ioremap()ed address, e.g.:
serio: gsc-ps2-keyboard port at 0xf0108000 irq 22 @ 2:0:11
serio: gsc-ps2-mouse port at 0xf0108100 irq 22 @ 2:0:12
Signed-off-by: Helge Deller <deller@gmx.de>
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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/serio/libps2.c: In function ‘ps2_handle_ack’:
drivers/input/serio/libps2.c:407:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (ps2dev->flags & PS2_FLAG_NAK) {
^
drivers/input/serio/libps2.c:417:2: note: here
case 0x00:
^~~~
Warning level 3 was used: -Wimplicit-fallthrough=3
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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Add initial support for the AT42QT1050 (QT1050) device. The device
supports up to five input keys, dependent on the mode. Since it adds only
the initial support, the "1 to 4 keys plus Guard Channel" mode isn't
supported.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This patch adds support for the Azoteq IQS550/572/525 family of
trackpad/touchscreen controllers.
The driver has been tested with an IQS550EV02 evaluation board. A
demonstration of the driver's capabilities is available here:
https://youtu.be/sRNNx4XZBts
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Provide a simple driver for GPIO controllable vibrators.
It will be used by the Fairphone 2.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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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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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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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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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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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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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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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"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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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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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 need to access I2C bus when switching brightness, and that may block,
therefore we have to set stmfts_brightness_set() as LED's
brightness_set_blocking() method.
Fixes: 72d1f2346ded ("Input: tm2-touchkey - add touchkey driver support for TM2")
Acked-by: Andi Shyti <andi@etezian.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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We need to turn regulators on and off when switching brightness, and
that may block, therefore we have to set stmfts_brightness_set() as
LED's brightness_set_blocking() method.
Fixes: 78bcac7b2ae1 ("Input: add support for the STMicroelectronics FingerTip touchscreen")
Acked-by: Andi Shyti <andi@etezian.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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By switching to devm_device_add_group() we can complete driver conversion
to using managed resources and get rid of ili210x_i2c_remove().
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add support for ILI251x touch controller. This controller is similar
to the ILI210x, except for the following differences:
- Does not support I2C R-W transfer, Read must be followed by an
obscenely long delay, and then followed by Write
- Does support 10 simultaneous touch inputs.
- Touch data format is slightly different, pressure reporting does not
work although the touch data contain such information.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add OF match table for the ili210x touchscreen.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Perform the register access only after the I2C client data are set,
this is only done in preparation for the subsequent patch which
uses the I2C client data in the register IO function.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Get rid of the packed structures for representing data as that does not
apply to other similar Ilitek touchscreens. Instead, implement a function
which parses the data and reports touch events and coordinates.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Convert the driver to devm_request_irq(), drop the related unmanaged
deregistration code and add ili210x_irq_teardown() to tear the IRQ
down and cancel possible touchscreen pending work.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The touchscreen can have a reset GPIO connected to it, add support
for such an arrangement.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Convert the driver to dev-managed allocations.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The .get_pendown_state callback is set only by the platform data code,
which was just removed. Thus, get_pendown_state() always returns false,
so drop that altogether.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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There is not a single user of the ili210x platform data in the kernel,
just drop it.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This patch adds a new vibrator driver that supports various Qualcomm
MSM SOCs. Driver was tested on a LG Nexus 5 (hammerhead) phone.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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On some platforms (e.g.: ARCH_BRCMSTB) it is possible to enter
"poweroff" while leaving some wake-up sources enabled such as key
presses in order to allow for the system to wake-up.
Wire up a .shutdown() callback which calls into the existing
gpio_keys_suspend() since the logic is essentially the same.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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We should rely on the interrupt trigger (level vs edge) set up by the
firmware or board code instead of forcing what we consider appropriate.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Some of the #defined register values are one-bit flags. Convert them to
use the BIT(x) macro instead of 1 byte hexadecimal values. This improves
readability and clarifies the intent.
Signed-off-by: Richard Leitner <richard.leitner@skidata.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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