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This patch adds support for the Xiroku Inc. panels (SPX/MPX/CSR/etc.).
Signed-off-by: Masatoshi Hoshikawa <hoshikawa@xiroku.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
both callers of device_get_devnode() are only interested in lower 16bits
and nobody tries to return anything wider than 16bit anyway.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Defer LED setting action to a workqueue.
This is more likely to send all LED change events in a single URB.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
If any userspace program has opened a keyboard device, the input core
de-activates the keyboard's LEDs upon suspend(). It does this by sending
individual EV_LED[LED_X]=0 events to the underlying device driver by
directly calling the driver's registered event() handler.
The usb-hid driver event() handler processes each request by immediately
attempting to submit a CTRL URB to turn off the LED. USB URB submission
is asynchronous. First the URB is added to the head of the ctrl queue.
Then, if the CTRL_RUNNING flag is false, the URB is submitted immediately
(and CTRL_RUNNING is set). If the CTRL_RUNNING flag was already true,
then the newly queued URB is submitted in the ctrl completion handler when
all previously submitted URBs have completed. When all queued URBs have
been submitted, the completion handler clears the CTRL_RUNNING flag.
In the 2-LED suspend case, at input suspend(), 2 LED event CTRL URBs get
queued, with only the first actually submitted. Soon after input
suspend() handler finishes, the usb-hid suspend() handler gets called.
Since this is NOT a PM_EVENT_AUTO suspend, the handler sets
REPORTED_IDLE, then waits for io to complete.
Unfortunately, this usually happens while the first LED request is
actually still being processed. Thus when the completion handler tries
to submit the second LED request it fails, since REPORTED_IDLE is
already set! This REPORTED_IDLE check failure causes the completion
handler to complete, however without clearing the CTRL_RUNNING flag.
This, in turn, means that the suspend() handler's wait_io() condition
is never satisfied, and instead it times out after 10 seconds, aborting
the original system suspend.
This patch changes the behavior to the following:
(1) allow completion handler to finish submitting all queued URBs, even if
REPORTED_IDLE is set. This guarantees that all URBs queued before the
hid-core suspend() call will be submitted before the system is
suspended.
(2) if REPORTED_IDLE is set and the URB queue is empty, queue, but
don't submit, new URB submission requests. These queued requests get
submitted when resume() flushes the URB queue. This is similar to the
existing behavior, however, any requests that arrive while the queue is
not yet empty will still get submitted before suspend.
(3) set the RUNNING flag when flushing the URB queue in resume().
This keeps URBs that were queued in (2) from colliding with any new
URBs that are being submitted during the resume process. The new URB
submission requests upon resume get properly queued behind the ones
being flushed instead of the current situation where they collide,
causing memory corruption and oopses.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
LED_ON was defined in the original version of the hid-core autosuspend patch.
However, during review, the setting and clearing of it was redone
using ledcount. The test was left in accidentally.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add quirk for the Trio Linker Plus II - the adapter supports several
controllers simultaneously, generating a new HID entry for each connected
device.
Signed-off-by: Ignaz Forster <ignaz.forster@gmx.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
ppc6xx_defconfig reveals this:
drivers/built-in.o: In function `hidinput_cleanup_battery': drivers/hid/hid-input.c:351: undefined reference to`power_supply_unregister'
drivers/built-in.o: In function `hidinput_setup_battery': drivers/hid/hid-input.c:338: undefined reference to `power_supply_register'
make[1]: *** [.tmp_vmlinux1] Error 1
The defconfig in question doens't mention either option and kbuild is
genertaing
CONFIG_HID_BATTERY_STRENGTH=y
CONFIG_POWER_SUPPLY=m
which is wrong. Put a proper dependency in place.
Reported-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This patch modifies hid-multitouch driver for supporting PixArt optical touch
screen. Because of the device does not have to set initial report, we apply
"HID_QUIRK_NO_INIT_REPORTS" quirk and add the device into hid_blacklist[]
Signed-off-by: Aaron Tian <aaron_tian@pixart.com.tw>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Most of the parsing errors (typically resulting in device not being claimed
by HID subsystem at all) are reported only in debugging mode, which makes
root-causing problems with buggy devices unnecessarily more difficult.
Convert reporting of important HID report descriptor parsing errors to
be reported through hid_err() / hid_warn() instead of dbg_hid().
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
We depend on memless force-feedback support, therefore correctly select the
related config options.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Cc: stable@kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Make the relationship between the Wiimote and Wacom self-powered HID
devices and their power supply explicit by adding a "powers" link.
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Jiri Kosina <jkosina@suse.cz>
The Wacom and Wiimote HID drivers register power supplies for themselves
to indicate their battery levels. Make those power supplies device scope.
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Jiri Kosina <jkosina@suse.cz>
This patch adds support for Roccat Isku keyboard.
Userland tools can be found at http://sourceforge.net/projects/roccat
Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
We need to properly add the hid device to correctly initialize the sysfs state.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reported-by: Fuzhou Chen <fuzhouch@microsoft.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This patch merge the last old-style hid multitouch driver to
the generic one.
It also adds 2 more quanta pids.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Acked-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
As reported by Stephen Rothwell:
drivers/hid/hid-input.c: In function 'hidinput_hid_event':
drivers/hid/hid-input.c:865:6: error: 'struct hid_device' has no member
named 'battery_val'
drivers/hid/hid-input.c:866:3: error: 'struct hid_device' has no member
named 'battery_min'
drivers/hid/hid-input.c:866:3: error: 'struct hid_device' has no member
named 'battery_max'
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Some HID devices, such as my Bluetooth mouse, report their battery
strength as an event. Rather than passing it through as a strange
absolute input event, this patch registers it with the power_supply
subsystem as a battery, so that the device's Battery Strength can be
reported to usermode.
The battery appears in sysfs names
/sys/class/power_supply/hid-<UNIQ>-battery, and it is a child of the
battery-containing device, so it should be clear what it's the battery of.
Unfortunately on my current Fedora 16 system, while the battery does
appear in the UI, it is listed as a Laptop Battery with 0% charge (since
it ignores the "capacity" property of the battery and instead computes
it from the "energy*" fields, which we can't supply given the limited
information contained within the HID Report).
Still, this patch is the first step.
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Genera Touch told us that 0001 is their single point device
and 0003 is the multitouch one. Apparently, we made the tests
someone having a prototype, and not the final product.
They said it should be safe to do the switch.
This partially reverts 5572da0 ("HID: hid-mulitouch: add support
for the 'Sensing Win7-TwoFinger'").
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This device use another protocol while sending the events.
It's the same as the one described as "serial" by Microsoft.
We are keeping here the sn_move and sn_pressure parameters for
egalax devices.
CC: Cedric Sodhi <manday@gmx.net>
CC: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Just another eGalax device.
Please note that adding this device to have_special_driver
in hid-core.c is not required anymore.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This patch adds USB ID for the touchpanel in Acer Iconia W500. The panel
supports up to five fingers, therefore the need for a new addition of panel
types.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This is just a renaming of USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH{N}
to USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_{PID} to handle more eGalax
devices.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Some eGalax devices are 4 or 5 fingers touches, wereas others are 2.
This patch removes the limit in which all eGalax presents 2 touches.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The previous implementation of eGalax protocol was not satisfying as
we had to manually set x/y ranges as they were corrupted after reading
the report descriptor.
Indeed, the report descriptor provided a stylus input interface which
override the correct values.
This patch omits this input, thus leaving the correct value untouched,
and the MT_QUIRK_EGALAX_XYZ_FIXUP not required anymore.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This allows ASUS Eee Slate touchscreens to work.
Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The LED URB was left unkilled when the USB device is disconnected.
Signed-off-by: Willem Penninckx <willem.penninckx@cs.kuleuven.be>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
usb_kbd_event() and usb_kbd_led() can be called concurrently, but they are not
synchronized. They both readwrite kbd->leds, and usb_kbd_event() originally just
checked the URB status field, while urb.h states that "It [status field] should
not be examined before the URB is returned to the completion handler."
To fix this unsynchronized behavior, this patch introduces a boolean
representing whether the URB is submitted, and a spinlock.
Signed-off-by: Willem Penninckx <willem.penninckx@cs.kuleuven.be>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Newer bluetooth stack supports the NO_INIT_REPORTS quirk. The wiimote does not
support report initialization so enable it by default.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The version number is not needed at all for in-tree drivers. Upstream git is
used to track module versions.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Keep track of current drm and add new debugfs file which reads or writes the
current DRM.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The wiimote provides direct access to parts of its eeprom. This implements read
support for small chunks of the eeprom. This isn't very fast but prevents the
reader from blocking the wiimote stream for too long.
Write support is not yet supported as the wiimote breaks if we overwrite its
memory. Use hidraw to reverse-engineer the eeprom before implementing write
support here.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add initializer and deinitializer for debugfs support. This will later allow raw
eeprom access and direct DRM modifications to debug wiimote behaviour and
further protocol reverse-engineerings.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Nintendo Classic Controller extension reports lots of keys, two analog sticks
and two analog buttons. We report all data through extension input device to
userspace.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The Nintendo Nunchuck extension reports accelerometer values, one analog stick
and two buttons. See inline comments for data layout.
We report all data to userspace through extension input device.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Motion+ reports rotation gyro data which we report to userspace as ABS_RX/Y/Z
values. The device reports them either in fast or slow mode. We adjust the
values to get a linear scale so userspace does not need to know about slow and
fast mode.
The motion+ also reports whether an extension is connected to it. We keep track
of this value and reinitialize the extensions if an extension is plugged or
unplugged.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
All supported extensions report data as 6 byte block. All DRMs with extension
data provide at least 6 extension bytes. Hence a generic handler for all
extension bytes is sufficient and can be called on all DRMs.
The handler distinguishes the input and passes it to the right handler. Motion+
passes data interleaved so we can have Motion+ and a regular extension enabled
simultaneously.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Motion+ and regular extensions are physical adapters for the wiimote so create
one input device for each of them. This also allows to enable only opened
extensions and turn unused extenions off to save battery power.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add new sysfs attribute "extension" which returns the currently connected and
initialized extensions.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The wiimote extension registers are not fully understood, so we always disable
all extensions on extension-port events. Then we reinitialize and reidentify
them and activate all requested extensions.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add stub functions to read and identify extensions and then initialize all
connected extensions.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
