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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: wm831x-ts - move BTN_TOUCH reporting to data transfer
Input: wm831x-ts - allow IRQ flags to be specified
Input: wm831x-ts - fix races with IRQ management
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Don't report BTN_TOUCH until we've got data as some less robust applications
can be confused by getting a touch event by itself and it doesn't seem
unreasonable for them to expect coordinates along with a touch.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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This allows maximum flexibility for configuring the direct GPIO based
interrupts.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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If the WM831x pen down and data IRQs run in parallel it is possible for the
data and pen down IRQs to deadlock themselves as one is part way through
disabling its operation while the other is part way through enabling. Fix
this by always disabling the pen down interrupt while data is active and
vice versa. When a changeover is required we disable the IRQ that is to
be stopped then schedule work that will enable the new IRQ.
We need to handle the data flow in the data IRQ as the readback from the
device needs to be ordered correctly with the IRQ for robust operation.
This also fixes an issue when using the built in IRQs due to enable_irq()
not being valid from interrupt context on an interrupt controller with bus
operations like the built in IRQ controller - this issue may also have
affected other interrupt controllers. We can't rely on having the data
and pen down IRQs available via GPIOs on the CPU on every system.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xen-kbdfront - fix mouse getting stuck after save/restore
Input: estimate number of events per packet
Input: evdev - indicate buffer overrun with SYN_DROPPED
Input: document event types and codes and their intended use
Input: add KEY_IMAGES specifically for AL Image Browser
Input: twl4030_keypad - fix potential NULL dereference in twl4030_kp_probe()
Input: h3600_ts - fix error handling at connect
Input: twl4030_keypad - avoid potential NULL-pointer dereference
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Mouse gets "stuck" after restore of PV guest but buttons are in working
condition.
If driver has been configured for ABS coordinates at start it will get
XENKBD_TYPE_POS events and then suddenly after restore it'll start getting
XENKBD_TYPE_MOTION events, that will be dropped later and they won't get
into user-space.
Regression was introduced by hunk 5 and 6 of
5ea5254aa0ad269cfbd2875c973ef25ab5b5e9db
("Input: xen-kbdfront - advertise either absolute or relative
coordinates").
Driver on restore should ask xen for request-abs-pointer again if it is
available. So restore parts that did it before 5ea5254.
Acked-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
[v1: Expanded the commit description]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Calculate a default based on the number of ABS axes, REL axes,
and MT slots for the device during input device registration.
Signed-off-by: Jeff Brown <jeffbrown@android.com>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Add a new EV_SYN code, SYN_DROPPED, to inform the client when input
events have been dropped from the evdev input buffer due to a
buffer overrun. The client should use this event as a hint to
reset its state or ignore all following events until the next
packet begins.
Signed-off-by: Jeff Brown <jeffbrown@android.com>
[dtor@mail.ru: Implement Henrik's suggestion and drop old events in
case of overflow.]
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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We should first check whether platform data is NULL or not, before
dereferencing it to get the keymap.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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* 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6:
Fix common misspellings
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In case of an error in h3600ts_connect(), deconstruct in correct order
and with the right calls.
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Shubhrajyoti D <a0393217@india.ti.com>
Acked-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: rpckbd - fix a leak of the IRQ during init failure
Input: wacom - add support for Lenovo tablet ID (0xE6)
Input: i8042 - downgrade selftest error message to dbg()
Input: synaptics - fix crash in synaptics_module_init()
Input: spear-keyboard - fix inverted condition in interrupt handler
Input: uinput - allow for 0/0 min/max on absolute axes.
Input: sparse-keymap - report KEY_UNKNOWN for unknown scan codes
Input: sparse-keymap - report scancodes with key events
Input: h3600_ts_input - fix a spelling error
Input: wacom - report resolution for pen devices
Input: wacom - constify wacom_features for a new missed Bamboo models
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In rpckbd_open prror path, free_irq() was using NULL rather than the
driver data as the data pointer so free_irq() wouldn't have matched.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Manoj Iyer <manoj.iyer@canonical.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
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On a "really fragile" laptop I noticed a single
i8042.c: i8042 controller selftest failed. (0x1 != 0x55)
error in the log. But there's no reason to print this message at
KERN_ERR level each time that loop fails, especially since the message
telling about the overall selftest failure is printed at KERN_INFO level
(on X86).
Add an actual error message for non-X86 systems, where a selftest
failure is (apparently) more serious. Remove a space in an another error
message.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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'struct dmi_system_id' arrays must always have a terminator to keep
dmi_check_system() from looking at data (and possibly crashing) it
isn't supposed to look at.
The issue went unnoticed until ef8313bb1a22e7d2125d9d758aa8a81f1de91d81,
but was introduced about a year earlier with
7705d548cbe33f18ea7713b9a07aa11047aaeca4 (which also similarly changed
lifebook.c, but the problem there got eliminated shortly afterwards).
The first hunk therefore is a stable candidate back to 2.6.33, while
the full change is needed only on 2.6.38.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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We should return IRQ_NONE from interrupt handler in case keyboard
does not report DATA_AVAIL condition.
Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Some devices provide absolute axes with min/max of 0/0 (e.g. wacom's
ABS_MISC axis). Current uinput restrictions do not allow duplication of
these devices and require hacks in userspace to work around this.
If the kernel accepts physical devices with a min/max of 0/0, uinput
shouldn't disallow the same range.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Scripted with coccinelle.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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This allows for debugging non-functional keys easily from
userspace.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Scancodes are useful debugging aids when incorrect keycodes
are being sent, as is common with laptop hotkeys.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Sylvestre Ledru <sylvestre.ledru@scilab.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Touch resolution is reported to the userland by retrieving the value
from the HID descriptor. But pen resolution is not since it can not
be retrieved. The current Wacom X driver has a resolution table.
To centralize the source of these values, the resolution entries are
added in the wacom_features struct for x and y coordinates respectively.
The values are then reported to the userland.
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: tsc2005 - fix locking issue
Input: tsc2005 - use relative jiffies to schedule the watchdog
Input: tsc2005 - driver should depend on GENERIC_HARDIRQS
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Commit 0b950d3 (Input: tsc2005 - add open/close) introduced a
locking issue with the ESD watchdog: __tsc2005_disable() is calling
cancel_delayed_work_sync() with mutex held, and the work also needs the
same mutex.
Fix the problem by using mutex_trylock() in tsc2005_esd_work(). If the
mutex is taken, we know we are in the middle of disable or enable and
the watchdog check can be skipped.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Use relative jiffies to schedule the watchdog. Otherwise it will run
like a mad one.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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drivers/input/touchscreen/tsc2005.c: In function ‘tsc2005_probe’:
drivers/input/touchscreen/tsc2005.c:666: error: implicit declaration of function ‘set_irq_wake’
In addition, migrate from set_irq_wake() (marked "do not use" as of commit
a0cd9ca2b907d7ee26575e7b63ac92dad768a75e ("genirq: Namespace cleanup")) to
irq_set_irq_wake().
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Copy 88pm860x platform data into different mfd_data structure for
onkey/touch/codec/power driver. So move the identification of
device node from those drivers to mfd driver.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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The cell's platform_data is now accessed with a helper function;
change clients to use that, and remove the now-unused data_size.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (64 commits)
Input: tsc2005 - remove 'disable' sysfs attribute
Input: tsc2005 - add open/close
Input: tsc2005 - handle read errors from SPI layer
Input: tsc2005 - do not rearm timer in hardirq handler
Input: tsc2005 - don't use work for 'pen up' handling
Input: tsc2005 - do not use 0 in place of NULL
Input: tsc2005 - use true/false for boolean variables
Input: tsc2005 - hide selftest attribute if we can't reset
Input: tsc2005 - rework driver initialization code
Input: tsc2005 - set up bus type in input device
Input: tsc2005 - set up parent device
Input: tsc2005 - clear driver data after unbinding
Input: tsc2005 - add module description
Input: tsc2005 - remove driver banner message
Input: tsc2005 - remove incorrect module alias
Input: tsc2005 - convert to using dev_pm_ops
Input: tsc2005 - use spi_get/set_drvdata()
Input: introduce tsc2005 driver
Input: xen-kbdfront - move to drivers/input/misc
Input: xen-kbdfront - add grant reference for shared page
...
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master.kernel.org:/home/rmk/linux-2.6-arm
* 'defcfg' of master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: 6647/1: add Versatile Express defconfig
ARM: 6644/1: mach-ux500: update the U8500 defconfig
* 'drivers' of master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: 6764/1: pl011: factor out FIFO to TTY code
ARM: 6763/1: pl011: add optional RX DMA to PL011 v2
ARM: 6758/1: amba: support pm ops
ARM: amba: make amba_driver id_table const
ARM: amba: make internal ID table handling const
ARM: amba: make probe() functions take const id tables
ARM: 6662/1: amba: make amba_bustype non-static
ARM: mmci: add dmaengine-based DMA support
ARM: mmci: no need for separate host->data_xfered
ARM: mmci: avoid unnecessary switch to data available PIO interrupts
ARM: mmci: no need to call flush_dcache_page() with sg_miter API
ARM: mmci: avoid reporting too many completed bytes on fifo overrun
ALSA: AACI: make fifo variables more explanitory
ALSA: AACI: no need to call snd_pcm_period_elapsed() for each period
ALSA: AACI: use snd_pcm_lib_period_bytes()
ALSA: AACI: clean up AACI announcement printk
ALSA: AACI: fix channel mask selection
ALSA: AACI: fix number of channels for record
ALSA: AACI: fix multiple IRQ claiming
* 'cyberpro-next' of master.kernel.org:/home/rmk/linux-2.6-arm:
VIDEO: cyberpro: remove unused cyber2000fb_get_fb_var()
VIDEO: cyberpro: remove useless function extreg pointers
VIDEO: cyberpro: update handling of device structures
VIDEO: cyberpro: add support for video capture I2C
VIDEO: cyberpro: make 'reg_b0_lock' always present
VIDEO: cyberpro: add I2C support
VIDEO: cyberpro: select lowest multipler/divisor for PLL
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git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32: (40 commits)
unicore32: rewrite arch-specific tlb.h to use asm-generic version
unicore32: modify io_p2v and io_v2p macros, and adjust PKUNITY_mmio_BASEs
unicore32: replace unicore32-specific iomap functions with generic lib implementation
unicore32 machine related: add frame buffer driver for pkunity-v3 soc
unicore32 machine related files: add i2c bus drivers for pkunity-v3 soc
unicore32 io: redefine __REG(x) and re-use readl/writel funcs
unicore32 i8042 upgrade and bugfix: adjust resource request region type
unicore32 upgrade to v2.6.38-rc5: add one more paramter for pte_alloc_map call
unicore32 i8042: adjust io funcs of i8042-unicore32io.h
unicore32: rename PKUNITY_IOSPACE_BASE to PKUNITY_MMIO_BASE
unicore32: modify function names and parameters for irq_chips
unicore32: remove unused lines in arch/unicore32/include/asm/irq.h
unicore32 time.c: change calculate method for clock_event_device
unicore32: ADD MAINTAINER for unicore32 architecture
unicore32 machine related files: ps2 driver
unicore32 machine related files: pci bus handling
unicore32 machine related files: hardware registers
unicore32 machine related files: core files
unicore32 additional architecture files: boot process
unicore32 additional architecture files: low-level lib: misc
...
Acked-by: Arnd Bergmann <arnd@arndb.de>
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I believe that enable/disable functionality should not be implemented on
the individual driver level but rather in device core, potentially
reusing parts of PM framework. Therefore the driver-specific "disable"
attribute is removed from the mainline driver.
Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Introduce open and close methods for the input device to keep the device
powered down when it is not in use. Also rework interaction between
interrupt thread and starting/shutting off/resetting the device: instead
of taking a mutex in the intterrupt thread and elsewhere disable interrupts
before transitioning the device in a new state.
The ESD handling is also separated from the IRQ thread; we poll regularly
at a given interval and simply skip reads if we see that valid interrupt
happened not so long ago. This allows us not cancel and reschedule ESD
work from interrupt context all the time.
Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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We will most likely rearm it yet again the IRQ thread so doing it here
is pointless.
Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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We do not need process context to send input events so let's switch to
a regular timer. I am going to get rid of taking ts->mutex in
tsc2005_irq_thread() later.
Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Sparse in unhappy when people use 0 instead of NULL for pointers so
let's rework the way we initialize spi_transfer structure in
tsc2005_cmd() and tsc2005_write().
Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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If implementation to perform self-test/reset has not been provided by the
platform code hide 'selftest' sysfs attribute instead of returning error
when someone tries to use it.
Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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We need to make sure we have time/work initialized before requesting and
enabling interrupts, otherwise we might start using them way too early.
Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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We know what bus we are residing on (SPI) so let's make this data
available to the users.
Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Set up SPI device as parent of the input device so it gets placed into
proper place in sysfs tree.
Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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We should not leave garbage pointers in driver structure after we unbind
it from the device or if bind fails.
Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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