Commit Graph

3082 Commits

Author SHA1 Message Date
Linus Torvalds fc47912d9c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "A few drivers were updated with device tree bindings and others got a
  few small cleanups and fixes."

Fix trivial conflict in drivers/input/keyboard/omap-keypad.c due to
changes clashing with a whitespace cleanup.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (28 commits)
  Input: wacom - mark Intuos5 pad as in-prox when touching buttons
  Input: synaptics - adjust threshold for treating position values as negative
  Input: hgpk - use %*ph to dump small buffer
  Input: gpio_keys_polled - fix dt pdata->nbuttons
  Input: Add KD[GS]KBDIACRUC ioctls to the compatible list
  Input: omap-keypad - fixed formatting
  Input: tegra - move platform data header
  Input: wacom - add support for EMR on Cintiq 24HD touch
  Input: s3c2410_ts - make s3c_ts_pmops const
  Input: samsung-keypad - use of_get_child_count() helper
  Input: samsung-keypad - use of_match_ptr()
  Input: uinput - fix formatting
  Input: uinput - specify exact bit sizes on userspace APIs
  Input: uinput - mark failed submission requests as free
  Input: uinput - fix race that can block nonblocking read
  Input: uinput - return -EINVAL when read buffer size is too small
  Input: uinput - take event lock when fetching events from buffer
  Input: get rid of MATCH_BIT() macro
  Input: rotary-encoder - add DT bindings
  Input: rotary-encoder - constify platform data pointers
  ...
2012-10-02 17:16:10 -07:00
Linus Torvalds 033d9959ed Merge branch 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue changes from Tejun Heo:
 "This is workqueue updates for v3.7-rc1.  A lot of activities this
  round including considerable API and behavior cleanups.

   * delayed_work combines a timer and a work item.  The handling of the
     timer part has always been a bit clunky leading to confusing
     cancelation API with weird corner-case behaviors.  delayed_work is
     updated to use new IRQ safe timer and cancelation now works as
     expected.

   * Another deficiency of delayed_work was lack of the counterpart of
     mod_timer() which led to cancel+queue combinations or open-coded
     timer+work usages.  mod_delayed_work[_on]() are added.

     These two delayed_work changes make delayed_work provide interface
     and behave like timer which is executed with process context.

   * A work item could be executed concurrently on multiple CPUs, which
     is rather unintuitive and made flush_work() behavior confusing and
     half-broken under certain circumstances.  This problem doesn't
     exist for non-reentrant workqueues.  While non-reentrancy check
     isn't free, the overhead is incurred only when a work item bounces
     across different CPUs and even in simulated pathological scenario
     the overhead isn't too high.

     All workqueues are made non-reentrant.  This removes the
     distinction between flush_[delayed_]work() and
     flush_[delayed_]_work_sync().  The former is now as strong as the
     latter and the specified work item is guaranteed to have finished
     execution of any previous queueing on return.

   * In addition to the various bug fixes, Lai redid and simplified CPU
     hotplug handling significantly.

   * Joonsoo introduced system_highpri_wq and used it during CPU
     hotplug.

  There are two merge commits - one to pull in IRQ safe timer from
  tip/timers/core and the other to pull in CPU hotplug fixes from
  wq/for-3.6-fixes as Lai's hotplug restructuring depended on them."

Fixed a number of trivial conflicts, but the more interesting conflicts
were silent ones where the deprecated interfaces had been used by new
code in the merge window, and thus didn't cause any real data conflicts.

Tejun pointed out a few of them, I fixed a couple more.

* 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (46 commits)
  workqueue: remove spurious WARN_ON_ONCE(in_irq()) from try_to_grab_pending()
  workqueue: use cwq_set_max_active() helper for workqueue_set_max_active()
  workqueue: introduce cwq_set_max_active() helper for thaw_workqueues()
  workqueue: remove @delayed from cwq_dec_nr_in_flight()
  workqueue: fix possible stall on try_to_grab_pending() of a delayed work item
  workqueue: use hotcpu_notifier() for workqueue_cpu_down_callback()
  workqueue: use __cpuinit instead of __devinit for cpu callbacks
  workqueue: rename manager_mutex to assoc_mutex
  workqueue: WORKER_REBIND is no longer necessary for idle rebinding
  workqueue: WORKER_REBIND is no longer necessary for busy rebinding
  workqueue: reimplement idle worker rebinding
  workqueue: deprecate __cancel_delayed_work()
  workqueue: reimplement cancel_delayed_work() using try_to_grab_pending()
  workqueue: use mod_delayed_work() instead of __cancel + queue
  workqueue: use irqsafe timer for delayed_work
  workqueue: clean up delayed_work initializers and add missing one
  workqueue: make deferrable delayed_work initializer names consistent
  workqueue: cosmetic whitespace updates for macro definitions
  workqueue: deprecate system_nrt[_freezable]_wq
  workqueue: deprecate flush[_delayed]_work_sync()
  ...
2012-10-02 09:54:49 -07:00
Linus Torvalds 9cd11c0c47 ARM: soc: multiplatform enablement
This is a pretty significant branch. It's the introduction of the
 first multiplatform support on ARM, and with this (and the later
 branch) merged, it is now possible to build one kernel that contains
 support for highbank, vexpress, mvebu, socfpga, and picoxcell. More
 platforms will be convered over in the next few releases.
 
 Two critical last things had to be done for this to be practical and
 possible:
 * Today each platform has its own include directory under
   mach-<mach>/include/mach/*, and traditionally that is where a lot of
   driver/platform shared definitions have gone, such as platform data
   structures. They now need to move out to a common location instead,
   and this branch moves a large number of those out to
   include/linux/platform_data.
 * Each platform used to list the device trees to compile for its
   boards in mach-<mach>/Makefile.boot.
 
 Both of the above changes will mean that there are some merge
 conflicts to come (and some to resolve here). It's a one-time move and
 once it settles in, we should be good for quite a while. Sorry for the
 overhead.
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Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc multiplatform enablement from Olof Johansson:
 "This is a pretty significant branch.  It's the introduction of the
  first multiplatform support on ARM, and with this (and the later
  branch) merged, it is now possible to build one kernel that contains
  support for highbank, vexpress, mvebu, socfpga, and picoxcell.  More
  platforms will be convered over in the next few releases.

  Two critical last things had to be done for this to be practical and
  possible:
   * Today each platform has its own include directory under
     mach-<mach>/include/mach/*, and traditionally that is where a lot
     of driver/platform shared definitions have gone, such as platform
     data structures.  They now need to move out to a common location
     instead, and this branch moves a large number of those out to
     include/linux/platform_data.
   * Each platform used to list the device trees to compile for its
     boards in mach-<mach>/Makefile.boot.

  Both of the above changes will mean that there are some merge
  conflicts to come (and some to resolve here).  It's a one-time move
  and once it settles in, we should be good for quite a while.  Sorry
  for the overhead."

Fix conflicts as per Olof.

* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (51 commits)
  ARM: add v7 multi-platform defconfig
  ARM: msm: Move core.h contents into common.h
  ARM: highbank: call highbank_pm_init from .init_machine
  ARM: dtb: move all dtb targets to common Makefile
  ARM: spear: move platform_data definitions
  ARM: samsung: move platform_data definitions
  ARM: orion: move platform_data definitions
  ARM: vexpress: convert to multi-platform
  ARM: initial multiplatform support
  ARM: mvebu: move armada-370-xp.h in mach dir
  ARM: vexpress: remove dependency on mach/* headers
  ARM: picoxcell: remove dependency on mach/* headers
  ARM: move all dtb targets out of Makefile.boot
  ARM: picoxcell: move debug macros to include/debug
  ARM: socfpga: move debug macros to include/debug
  ARM: mvebu: move debug macros to include/debug
  ARM: vexpress: move debug macros to include/debug
  ARM: highbank: move debug macros to include/debug
  ARM: move debug macros to common location
  ARM: make mach/gpio.h headers optional
  ...
2012-10-01 19:11:38 -07:00
Linus Torvalds 61464c8357 ARM: soc: general cleanups
This is a large branch that contains a handful of different cleanups:
 
 - Fixing up the I/O space remapping on PCI on ARM. This is a series
   from Rob Herring that restructures how all pci devices allocate I/O
   space, and it's part of the work to allow multiplatform kernels.
 - A number of cleanup series for OMAP, moving and removing some
   headers, sparse irq rework and in general preparation for
   multiplatform.
 - Final removal of all non-DT boards for Tegra, it is now
   device-tree-only!
 - Removal of a stale platform, nxp4008. It's an old mobile chipset
   that is no longer in use, and was very likely never really used with
   a mainline kernel. We have not been able to find anyone interested
   in keeping it around in the kernel.
 - Removal of the legacy dmaengine driver on tegra
 
 + A handful of other things that I haven't described above.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc general cleanups from Olof Johansson:
 "This is a large branch that contains a handful of different cleanups:

   - Fixing up the I/O space remapping on PCI on ARM.  This is a series
     from Rob Herring that restructures how all pci devices allocate I/O
     space, and it's part of the work to allow multiplatform kernels.
   - A number of cleanup series for OMAP, moving and removing some
     headers, sparse irq rework and in general preparation for
     multiplatform.
   - Final removal of all non-DT boards for Tegra, it is now
     device-tree-only!
   - Removal of a stale platform, nxp4008.  It's an old mobile chipset
     that is no longer in use, and was very likely never really used
     with a mainline kernel.  We have not been able to find anyone
     interested in keeping it around in the kernel.
   - Removal of the legacy dmaengine driver on tegra

  + A handful of other things that I haven't described above."

Fix up some conflicts with the staging tree (and because nxp4008 was
removed)

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (184 commits)
  ARM: OMAP2+: serial: Change MAX_HSUART_PORTS to 6
  ARM: OMAP4: twl-common: Support for additional devices on i2c1 bus
  ARM: mmp: using for_each_set_bit to simplify the code
  ARM: tegra: harmony: fix ldo7 regulator-name
  ARM: OMAP2+: Make omap4-keypad.h local
  ARM: OMAP2+: Make l4_3xxx.h local
  ARM: OMAP2+: Make l4_2xxx.h local
  ARM: OMAP2+: Make l3_3xxx.h local
  ARM: OMAP2+: Make l3_2xxx.h local
  ARM: OMAP1: Move irda.h from plat to mach
  ARM: OMAP2+: Make hdq1w.h local
  ARM: OMAP2+: Make gpmc-smsc911x.h local
  ARM: OMAP2+: Make gpmc-smc91x.h local
  ARM: OMAP1: Move flash.h from plat to mach
  ARM: OMAP2+: Make debug-devices.h local
  ARM: OMAP1: Move board-voiceblue.h from plat to mach
  ARM: OMAP1: Move board-sx1.h from plat to mach
  ARM: OMAP2+: Make omap-wakeupgen.h local
  ARM: OMAP2+: Make omap-secure.h local
  ARM: OMAP2+: Make ctrl_module_wkup_44xx.h local
  ...
2012-10-01 18:19:05 -07:00
Dmitry Torokhov dde3ada3d0 Merge branch 'next' into for-linus
Prepare first set of updates for 3.7 merge window.
2012-10-01 14:20:58 -07:00
Jiri Kosina fa2bd30159 Merge branches 'from-henrik', 'hidraw', 'logitech', 'picolcd', 'ps3', 'uclogic', 'wacom' and 'wiimote' into for-linus 2012-10-01 14:36:26 +02:00
Jason Gerecke 5e056ef4dd Input: wacom - mark Intuos5 pad as in-prox when touching buttons
If the ExpressKeys on the Intuos5 are touched, they currently result
an out-of-prox packet being sent even if the pad is already out of
prox. This can cause some confusion in the X driver. To restore the
expected semantics, we make being touched a sufficient condition to
signal proximity.

https://bugs.freedesktop.org/show_bug.cgi?id=54250

Reported-by: Timo Aaltonen <tjaalton@ubuntu.com>
Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-09-28 10:34:03 -07:00
Seth Forshee 824efd3741 Input: synaptics - adjust threshold for treating position values as negative
Commit c039450 (Input: synaptics - handle out of bounds values from the
hardware) caused any hardware reported values over 7167 to be treated as
a wrapped-around negative value. It turns out that some firmware uses
the value 8176 to indicate a finger near the edge of the touchpad whose
actual position cannot be determined. This value now gets treated as
negative, which can cause pointer jumps and broken edge scrolling on
these machines.

I only know of one touchpad which reports negative values, and this
hardware never reports any value lower than -8 (i.e. 8184). Moving the
threshold for treating a value as negative up to 8176 should work fine
then for any hardware we currently know about, and since we're dealing
with unspecified behavior it's probably the best we can do. The special
8176 value is also likely to result in sudden jumps in position, so
let's also clamp this to the maximum specified value for the axis.

BugLink: http://bugs.launchpad.net/bugs/1046512
https://bugzilla.kernel.org/show_bug.cgi?id=46371

Cc: stable@vger.kernel.org
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Alan Swanson <swanson@ukfsn.org>
Tested-by: Arteom <arutemus@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-09-28 10:33:57 -07:00
Olof Johansson 268aebe4d0 Merge branch 'cleanup/__iomem' into next/cleanup
__iomem annotation cleanup branch from Arnd.

* cleanup/__iomem: (21 commits)
  net: seeq: use __iomem pointers for MMIO
  video: da8xx-fb: use __iomem pointers for MMIO
  scsi: eesox: use __iomem pointers for MMIO
  serial: ks8695: use __iomem pointers for MMIO
  input: rpcmouse: use __iomem pointers for MMIO
  ARM: samsung: use __iomem pointers for MMIO
  ARM: spear13xx: use __iomem pointers for MMIO
  ARM: sa1100: use __iomem pointers for MMIO
  ARM: prima2: use __iomem pointers for MMIO
  ARM: nomadik: use __iomem pointers for MMIO
  ARM: msm: use __iomem pointers for MMIO
  ARM: lpc32xx: use __iomem pointers for MMIO
  ARM: ks8695: use __iomem pointers for MMIO
  ARM: ixp4xx: use __iomem pointers for MMIO
  ARM: iop32x: use __iomem pointers for MMIO
  ARM: iop13xx: use __iomem pointers for MMIO
  ARM: integrator: use __iomem pointers for MMIO
  ARM: imx: use __iomem pointers for MMIO
  ARM: ebsa110: use __iomem pointers for MMIO
  ARM: at91: use __iomem pointers for MMIO
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-22 10:24:29 -07:00
Olof Johansson e3a66aa33a Merge branch 'multiplatform/platform-data' into next/multiplatform
* multiplatform/platform-data:
  ARM: spear: move platform_data definitions
  ARM: samsung: move platform_data definitions
  ARM: orion: move platform_data definitions
  ARM: nomadik: move platform_data definitions
  ARM: w90x900: move platform_data definitions
  ARM: vt8500: move platform_data definitions
  ARM: tegra: move sdhci platform_data definition
  ARM: sa1100: move platform_data definitions
  ARM: pxa: move platform_data definitions
  ARM: netx: move platform_data definitions
  ARM: msm: move platform_data definitions
  ARM: imx: move platform_data definitions
  ARM: ep93xx: move platform_data definitions
  ARM: davinci: move platform_data definitions
  ARM: at91: move platform_data definitions

Conflicts due to removed files:
	arch/arm/mach-tegra/board-harmony.c
	arch/arm/mach-tegra/board-trimslice.c

Conflicts due to code removal:
	arch/arm/mach-tegra/board-paz00.c

Context conflicts in:
	drivers/mmc/host/sdhci-tegra.c
	drivers/net/irda/pxaficp_ir.c

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-22 01:07:21 -07:00
Tony Lindgren e27e35ec73 ARM: OMAP1: Move board-ams-delta.h from plat to mach
This is only used by omap1.

And to fix things properly, this should not be included
from the drivers at all.

Acked-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
Cc: linux-mtd@lists.infradead.org
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Liam Girdwood <lrg@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: alsa-devel@alsa-project.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-09-20 15:02:19 -07:00
Axel Lin 35b1da4e1e Input: edt-ft5x06 - return -EFAULT on copy_to_user() error
copy_to_user() returns the number of bytes remaining, but we want a
negative error code here.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-09-19 16:00:26 -07:00
Tai-hwa Liang 30ebb7fa0e Input: sentelic - filter out erratic movement when lifting finger
When lifing finger off the surface some versions of touchpad send movement
packets with very low coordinates, which cause cursor to jump to the upper
left corner of the screen. Let's ignore least significant bits of X and Y
coordinates if higher bits are all zeroes and consider finger not touching
the pad.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43197
Reported-and-tested-by:	Aleksey Spiridonov <leks13@leks13.ru>
Tested-by: Eddie Dunn <eddie.dunn@gmail.com>
Tested-by: Jakub Luzny <limoto94@gmail.com>
Tested-by: Olivier Goffart <olivier@woboq.com>
Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-09-19 14:58:07 -07:00
Pawel Moll 59d1f5c41a Input: ambakmi - [un]prepare clocks when enabling amd disabling
Clocks must be prepared before enabling and unprepared
after disabling. Use appropriate functions to do this
in one go.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-09-19 14:56:36 -07:00
Anisse Astier 8669cf6793 Input: i8042 - disable mux on Toshiba C850D
On Toshiba Satellite C850D, the touchpad and the keyboard might randomly
not work at boot. Preventing MUX mode activation solves this issue.

Signed-off-by: Anisse Astier <anisse@astier.eu>
Cc: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-09-19 14:55:50 -07:00
Henrik Rydberg 51c80b7400 Input: bcm5974 - Convert to MT-B
Use of the in-kernel tracking code to convert the driver to MT-B.

With ten fingers on the pad, the in-kernel tracking adds approximately
25 us to the maximum irqsoff latency. Under normal workloads, however,
the tracking has no measurable effect.

Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:22 +02:00
Henrik Rydberg 0e7269669d Input: bcm5974 - Drop the logical dimensions
The logical scale is used to produce special finger width values to
userspace, but has become an unnecessary restriction for everything
else.  Also, the bcm5974 trackpads are very accurate and work well
without hysteresis.

This patch simplifies the driver and device data by removing the
logical scale, and by moving the special synaptics code out of the
main path.  Also add the orientation range, needed in a subsequent
patch, to the device configuration.

Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:22 +02:00
Henrik Rydberg f17953abc9 Input: bcm5974 - Preparatory renames
Rename touch properties to match established nomenclature, and define
the maximum number of fingers.

Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:21 +02:00
Henrik Rydberg 43f482b48d Input: bcm5974 - only setup button urb for TYPE1 devices
The early generations with this trackpad used the separate mouse
interface to produce button events. With the introduction of the
button pads, this information was moved to the trackpad interface,
leaving the mouse interface unused. The driver is still setting up
both interfaces, which has not caused any problems - until now.

It turns out that without the CONFIG_USB_EHCI_TT_NEWSCHED option, the
driver may return an ENOSPC upon bt_urb submission, resulting in a
failure to open the device. This happens everytime on the MacBookPro
Retina (and likely on other mid-2012 models), but earlier MacBook
models seem to work fine.

This patch skips the bt_urb setup for TYPE2 devices, which arguably
should have been done in the first place.

Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:21 +02:00
Henrik Rydberg 2273929340 Input: MT - Allow legacy pressure computation
Some drivers like to report ABS_PRESSURE in a special way.
Allow this when ABS_MT_PRESSURE is not defined.

Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:19 +02:00
Henrik Rydberg 17a465a7f2 Input: MT - Get slot by key
Some devices use an internal key for tracking which cannot be directly
mapped to slots. This patch provides a key-to-slot mapping, which can
be used by drivers of such devices.

Reviewed-and-tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:19 +02:00
Henrik Rydberg 7c1a87897c Input: MT - Add in-kernel tracking
With the INPUT_MT_TRACK flag set, the function input_mt_assign_slots()
can be used to match a new set of contacts against the currently used
slots. The algorithm used is based on Lagrange relaxation, and performs
very well in practice; slower than mtdev for a few corner cases, but
faster in most commonly occuring cases.

Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:19 +02:00
Henrik Rydberg 55e49089f4 Input: MT - Handle frame synchronization in core
Most MT drivers perform the same actions on frame synchronization.
Some actions, like dropping unseen contacts, are also unnecessarily
complex. Collect common frame synchronization tasks in a new function,
input_mt_sync_frame(). Depending on the flags set, it drops unseen
contacts and performs pointer emulation.

With init flags and frame synchronization in place, most MT drivers
can be simplified. First out are the bcm5974 and hid-multitouch
drivers, following this patch.

Reviewed-and-tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Tested-by: Ping Cheng <pingc@wacom.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:19 +02:00
Henrik Rydberg b4adbbefc2 Input: MT - Add flags to input_mt_init_slots()
Preparing to move more repeated code into the mt core, add a flags
argument to the input_mt_slots_init() function.

Reviewed-and-tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Tested-by: Ping Cheng <pingc@wacom.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:18 +02:00
Henrik Rydberg a274ac15ed Input: evdev - Add the events() callback
By sending a full frame of events at the same time, the irqsoff
latency at heavy load is brought down from 200 us to 100 us.

Cc: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Tested-by: Ping Cheng <pingc@wacom.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:18 +02:00
Henrik Rydberg 4369c64c79 Input: Send events one packet at a time
On heavy event loads, such as a multitouch driver, the irqsoff latency
can be as high as 250 us.  By accumulating a frame worth of data
before passing it on, the latency can be dramatically reduced.  As a
side effect, the special EV_SYN handling can be removed, since the
frame is now atomic.

This patch adds the events() handler callback and uses it if it
exists. The latency is improved by 50 us even without the callback.

Cc: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Tested-by: Ping Cheng <pingc@wacom.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:18 +02:00
Henrik Rydberg 352ac4bd01 Input: Move autorepeat to the event-passing phase
Preparing to split event filtering and event passing, move the
autorepeat function to the point where the event is actually passed.

Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Tested-by: Ping Cheng <pingc@wacom.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:17 +02:00
Henrik Rydberg 0672120a2e Input: Make sure we follow all EV_KEY events
For some EV_KEY types, sending a larger-than-one value causes the
input state to oscillate. This patch makes sure this cannot happen,
clearing up the autorepeat bypass logic in the process.

Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Tested-by: Ping Cheng <pingc@wacom.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:17 +02:00
Henrik Rydberg 7c75bf9927 Input: Improve the events-per-packet estimate
The events-per-packet estimate has so far been used by MT devices
only. This patch adjusts the packet buffer size to also accomodate the
KEY and MSC events.  Keyboards normally send one or two keys at a
time. MT devices normally send a number of button keys along with the
MT information.  The buffer size chosen here covers those cases, and
matches the default buffer size in evdev. Since the input estimate is
now preferred, remove the special input-mt estimate.

Reviewed-and-tested-by: Ping Cheng <pingc@wacom.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:17 +02:00
Henrik Rydberg 8d18fba282 Input: Break out MT data
Move all MT-related things to a separate place. This saves some
bytes for non-mt input devices, and prepares for new MT features.

Reviewed-and-tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Tested-by: Ping Cheng <pingc@wacom.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
2012-09-19 19:50:17 +02:00
Dmitry Torokhov 527df5fae9 Revert "input: ab8500-ponkey: Create AB8500 domain IRQ mapping"
This reverts commit ca3b3faf9b.

There was a plan to place ab8500_irq_get_virq() calls in each AB8500
child device prior to requesting an IRQ, but as we're no longer using
Device Tree to collect our IRQ numbers, it's actually better to allow
the core to do this during device registration time. So the IRQ number
we pull from its resource has already been converted to a virtual IRQ.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-09-19 10:23:18 -07:00
Dmitry Torokhov 0b6c404a07 Linux 3.6-rc5
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Merge tag 'v3.6-rc5' into for-linus

Sync with mainline so that I can revert an input patch that came in through
another subsystem tree.
2012-09-19 10:21:21 -07:00
Arnd Bergmann 6884b68045 ARM: spear: move platform_data definitions
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the spear include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: Viresh Kumar <viresh.linux@gmail.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: spear-devel@list.st.com
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-09-19 17:42:19 +02:00
Arnd Bergmann 436d42c61c ARM: samsung: move platform_data definitions
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the samsung include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: "Wolfram Sang (embedded platforms)" <w.sang@pengutronix.de>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Bryan Wu <bryan.wu@canonical.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Sangbeom Kim <sbkim73@samsung.com>
Cc: Liam Girdwood <lrg@ti.com>
Cc: linux-samsung-soc@vger.kernel.org
2012-09-19 17:42:18 +02:00
Arnd Bergmann 2203747c97 ARM: omap: move platform_data definitions
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the omap include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: "Benoît Cousson" <b-cousson@ti.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Omar Ramirez Luna <omar.ramirez@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Jarkko Nikula <jarkko.nikula@bitmer.com>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: Jean Pihet <j-pihet@ti.com>
Cc: J Keerthy <j-keerthy@ti.com>
Cc: linux-omap@vger.kernel.org
2012-09-19 17:39:52 +02:00
Arnd Bergmann fe73f03549 input: rpcmouse: use __iomem pointers for MMIO
ARM is moving to stricter checks on readl/write functions,
so we need to use the correct types everywhere.

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-19 15:37:13 +02:00
Arnd Bergmann db298da2c3 ARM: nomadik: move platform_data definitions
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the nomadik include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: STEricsson <STEricsson_nomadik_linux@list.st.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Andreas Westin <andreas.westin@stericsson.com>
2012-09-14 11:19:00 +02:00
Arnd Bergmann 54ecf4f056 ARM: w90x900: move platform_data definitions
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the w90x900 include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: "Ben Dooks (embedded platforms)" <ben-linux@fluff.org>
Cc: "Wolfram Sang (embedded platforms)" <w.sang@pengutronix.de>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-09-14 11:18:59 +02:00
Arnd Bergmann 293b2da1b6 ARM: pxa: move platform_data definitions
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the pxa include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Paul Parsons <lost.distance@yahoo.com>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Acked-By: Stefan Schmidt <stefan@openezx.org>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Daniel Ribeiro <drwyrm@gmail.com>
Cc: Harald Welte <laforge@openezx.org>
Cc: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Tomas Cech <sleep_walker@suse.cz>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Dan Williams <djbw@fb.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Samuel Ortiz <samuel@sortiz.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: openezx-devel@lists.openezx.org
2012-09-14 11:18:10 +02:00
Arnd Bergmann a3b2924547 ARM: ep93xx: move platform_data definitions
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the ep93xx include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Dan Williams <djbw@fb.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Mika Westerberg <mika.westerberg@iki.fi>
Cc: Axel Lin <axel.lin@gmail.com>
2012-09-14 11:16:55 +02:00
Arnd Bergmann ec2a0833e5 ARM: davinci: move platform_data definitions
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the davinci include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: "Ben Dooks" <ben-linux@fluff.org>
Cc: "Wolfram Sang" <w.sang@pengutronix.de>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Liam Girdwood <lrg@ti.com>
Cc: davinci-linux-open-source@linux.davincidsp.com
2012-09-14 11:16:54 +02:00
Andy Shevchenko fb4f552e89 Input: hgpk - use %*ph to dump small buffer
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-09-12 21:57:13 -07:00
Alexandre Pereira da Silva 8757145af0 Input: gpio_keys_polled - fix dt pdata->nbuttons
pdata->nbuttons should be updated by the dt code.

Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-09-12 21:56:20 -07:00
Tony Lindgren f799a3d8fe Input: omap-keypad: Remove dependencies to mach includes
Remove support for omap2+ as it's no longer needed since
it's using matrix-keypad. This way we can remove depency
to plat and mach headers which is needed for ARM common
zImage support.

Also remove INT_KEYBOARD by using omap_kp->irq.

Note that this patch depends on an earlier patch
"ARM: OMAP: Move gpio.h to include/linux/platform_data".

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org
Acked-by: Sourav Poddar <sourav.poddar@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-09-12 18:06:30 -07:00
Linus Torvalds 11be4bc6a1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: wacom - add support for EMR on Cintiq 24HD touch
  Input: i8042 - add Gigabyte T1005 series netbooks to noloop table
  Input: imx_keypad - reset the hardware before enabling
  Input: edt-ft5x06 - fix build error when compiling wthout CONFIG_DEBUG_FS
2012-09-08 16:20:59 -07:00
Josh 9e14f36bb5 Input: omap-keypad - fixed formatting
Fixed spacing error on if statements and fixed tab error.

Signed-off-by: Josh <joshua.taylor0@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-09-04 23:12:13 -07:00
Dmitry Torokhov e6c340171f Linux 3.6-rc4
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Merge tag 'v3.6-rc4' into next

Linux 3.6-rc4

# gpg: Signature made Sat 01 Sep 2012 10:40:33 AM PDT using RSA key ID 00411886
# gpg: Good signature from "Linus Torvalds <torvalds@linux-foundation.org>"
2012-09-04 22:57:19 -07:00
Stephen Warren a85442ade2 Input: tegra - move platform data header
Move the Tegra KBC platform data header out of arch/arm/mach-tegra, as
a pre-requisite of single zImage.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-09-04 22:44:06 -07:00
Fabio Estevam 609455f481 Input: imx_keypad - fix missing clk conversions
commit a1e636e6d3 (Input: imx_keypad - use clk_prepare_enable/
clk_disable_unprepare()) missed to update clk_enable/clk_disable
in imx_keypad_probe().

Fix it so that we do not get clk warnings at boot.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-09-04 22:18:03 -07:00
Forest Bond 037a833ed0 Input: usbtouchscreen - initialize eGalax devices
Certain eGalax devices expose an interface with class HID and protocol
None.  Some work with usbhid and some work with usbtouchscreen, but
there is no easy way to differentiate.  Sending an eGalax diagnostic
packet seems to kick them all into using the right protocol for
usbtouchscreen, so we can continue to bind them all there (as opposed to
handing some off to usbhid).

This fixes a regression for devices that were claimed by (and worked
with) usbhid prior to commit 139ebe8dc8
("Input: usbtouchscreen - fix eGalax HID ignoring"), which made
usbtouchscreen claim them instead.  With this patch they will still be
claimed by usbtouchscreen, but they will actually report events
usbtouchscreen can understand.  Note that these devices will be limited
to the usbtouchscreen feature set so e.g. dual touch features are not
supported.

I have the distinct pleasure of needing to support devices of both types
and have tested accordingly.

Signed-off-by: Forest Bond <forest.bond@rapidrollout.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-09-04 22:17:56 -07:00