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Upcoming changes will split the semantics of hid_parse_report()
and hid_parse(), so make sure drivers use hid_parse() in probe().
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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If kmemdup() in hidraw_report_event() fails, we are not propagating
this fact properly.
Let hidraw_report_event() and hid_report_raw_event() return an error
value to the caller.
Reported-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Everytime a HID device is opened, a new hiddev_list is allocated with
kzalloc. This requires 64KB of physically contiguous memory, which could
easily push a heavily loaded system over the edge.
Allocating the same amount of memory with vmalloc shouldn't be nearly as
demanding, so let's do that instead. The memory isn't used for DMA and
doesn't look particularly performance sensitive, so this should be safe.
Signed-off-by: Havard Skinnemoen <hskinnemoen@google.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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err() was a very old USB-specific macro that I thought had
gone away. This patch removes it from being used in the
driver and uses dev_err() instead.
CC: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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HID_BATTERY_STRENGTH is missing both help text and description text.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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'out' label will be unused of CONFIG_LEDS_CLASS is unset.
Move it into conditional block.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Updated comments to say that this driver now supports all Logitech
gaming wheels, and not just the WiiWheel.
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch adds supports for controlling the LED 'tachometer' on
the G27 wheel, via the LED subsystem.
The 5 LEDs are arranged from right (1=grn, 2=grn, 3=yel, 4=yel, 5=red)
and 'mirrored' to the left (10 LEDs in total).
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Alexey Kaminsky <me@akaminsky.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
"Fix for one particular device (bluetooth Tivo Slide) and change of
'default y' -> 'default n' for CONFIG_HID_BATTERY_STRENGTH which I
overlooked in the initial merge of the battery support"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: default HID_BATTERY_STRENGTH to no
HID: tivo: fix support for bluetooth version of tivo Slide
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Reported-by: Tvrtko Ursulin <tvrtko.ursulin@onelan.co.uk>
Tested-by: Tvrtko Ursulin <tvrtko.ursulin@onelan.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Commit 4f5ca836b "HID: hid-input: add support for HID devices reporting
Battery Strength" added the CONFIG_HID_BATTERY_STRENGTH option to report
the battery strength of HID devices. The commit log explicitly mentions
it not working properly with recent userspace, but it is default y
anyway. This is rather odd, and actually causes problems on real
systems.
This works around Fedora bug
https://bugzilla.redhat.com/show_bug.cgi?id=806295
Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Fixed a style issue.
Signed-off-by: Benedikt Bergenthal <benedikt@kdrennert.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Correct spelling typo in various Kconfig file.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Devices like Aureal Cy se W-01RN USB_V3.1 and some derived hardware
have a bogus HID Report Descriptor. According to that report descriptor,
the maximum logical value for key events is 1 and not 101 (101 keys).
This quirk fixes this wrong Report Descriptor.
Signed-off-by: Josenivaldo Benito Junior <jrbenito@benito.qsl.br>
Signed-off-by: Franco Catrin <fcatrin@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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lg4ff now calls hid_get/set_drvdata() to read or store device configuration.
Signed-off-by: Michal Malý <madcatxster@gmail.com>
Tested-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Many users of debugfs copy the implementation of default_open() when
they want to support a custom read/write function op. This leads to a
proliferation of the default_open() implementation across the entire
tree.
Now that the common implementation has been consolidated into libfs we
can replace all the users of this function with simple_open().
This replacement was done with the following semantic patch:
<smpl>
@ open @
identifier open_f != simple_open;
identifier i, f;
@@
-int open_f(struct inode *i, struct file *f)
-{
(
-if (i->i_private)
-f->private_data = i->i_private;
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-f->private_data = i->i_private;
)
-return 0;
-}
@ has_open depends on open @
identifier fops;
identifier open.open_f;
@@
struct file_operations fops = {
...
-.open = open_f,
+.open = simple_open,
...
};
</smpl>
[akpm@linux-foundation.org: checkpatch fixes]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When a USB device reset occurs, usbcore will refetch the device and configuration
descriptors and compare them with those retrieved before the reset to ensure
that they have not changed. For USB HID devices, this implicitly includes the
HID class descriptor (as this is fetched with the configuration descriptor).
However, the HID report descriptor is not checked again.
Whilst a change in the size of the HID report descriptor will be detected (as
this is held in the class descriptor), content changes to the report descriptor
which do not result in a change in its size will be missed. If a firmware update
were applied to a USB HID device which resulted in such a change to the report
descriptor after device reset, then this would not be picked up by usbhid.
This patch fixes this issue by allowing usbhid to check the contents of the
report descriptor after the device reset, and trigger a rebind of the device
if there is a mismatch.
Reviewed-by: Toby Gray <toby.gray@realvnc.com>
Signed-off-by: Simon Haggett <simon.haggett@realvnc.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch fixes a possible race condition caused by the sysfs
interface being removed after the memory used by the interface
was already kfree'd.
Signed-off-by: Michal Malý <madcatsxter@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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priv drvdata
This patch adds support for custom device-specific properties which can now be
stored as private driver data and read/saved using hid_get/set_drvdata().
Signed-off-by: Michal Malý <madcatxster@gmail.com>
Tested-by: simon@mungewell.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The device is a bluetooth device, but one occurence by mistake
had marked it as USB.
Reported-by: Joshua Dillon <jvdillon@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The device is a bluetooth device, but one occurence by mistake
had marked it as USB.
Reported-by: Joshua Dillon <jvdillon@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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In case IO cannot be started because there is a lack of bandwidth
on the bus, it makes no sense to reset the device. If IO is requested
because the device is opened, user space should be notified with
an error right away. If the lack of bandwidth arises later, for
example after resume, there's no other choice but to retry in the
hope that bandwidth will be freed.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add description for hid-wacom module: "Driver for Wacom Graphire Bluetooth
and Wacom Intuos4 WL"
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch fixes a silly mistake: HID_WACOM was dependent on HID_WACOM, so
the option wasn't showing up after make menuconfig
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add support for Waltop Sirius Battery Free Tablet. VisTablet Muse and Princeton
PTB-S1BK are other possible names of this tablet.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add digitizer X Tilt and Y Tilt usage support along with resolution calculation.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch adds battery/ac reporting for Intuos4 WL. It uses existing
sysfs code, but the device reports battery capacity in more fine-grained way,
so there has to be a separate lookup table (called batcap_i4).
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch doesn't change the way battery/ac is reported, but the changes are
required to facilitate battery reporting for Intuos4 WL.
wdata->battery_capacity now stores actual battery capacity as opposed to raw
value reported by wacom graphire previously. Power supply state is now stored
in a separate variable - it used to be calculated on-the-fly in
wacom_ac_get_property function. The raw value has to be stored as well to be
able to determine if it has changed.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Trivial patch: now the hid-wacom driver supports also Intuos4 WL tablet.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This option was ment as a safety mechanism in case the system treats the wacom
tablet battery as the main power supply. It's no longer required as now we can
distinguish between system power supply and device power supply.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- V4L2 API additions to better support JPEG compression control
- media API additions to properly support MPEG decoders
- V4L2 API additions for image crop/scaling
- a few other V4L2 API DocBook fixes/improvements
- two new DVB frontend drivers: m88rs2000 and rtl2830
- two new DVB drivers: az6007 and rtl28xxu
- a framework for ISA drivers, that removed lots of common code found
at the ISA radio drivers
- a new FM transmitter driver (radio-keene)
- a GPIO-based IR receiver driver
- a new sensor driver: mt9m032
- some new video drivers: adv7183, blackfin, mx2_emmaprp, sii9234_drv,
vs6624
- several new board additions, driver fixes, improvements and cleanups.
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (295 commits)
[media] update CARDLIST.em28xx
[media] partially reverts changeset fa5527c
[media] stb0899: fix the limits for signal strength values
[media] em28xx: support for 2304:0242 PCTV QuatroStick (510e)
[media] em28xx: support for 2013:0251 PCTV QuatroStick nano (520e)
[media] -EINVAL -> -ENOTTY
[media] gspca - sn9c20x: Cleanup source
[media] gspca - sn9c20x: Simplify register write for capture start/stop
[media] gspca - sn9c20x: Add automatic JPEG compression mechanism
[media] gspca - sn9c20x: Greater delay in case of sensor no response
[media] gspca - sn9c20x: Optimize the code of write sequences
[media] gspca - sn9c20x: Add the JPEG compression quality control
[media] gspca - sn9c20x: Add a delay after Omnivision sensor reset
[media] gspca - sn9c20x: Propagate USB errors to higher level
[media] gspca - sn9c20x: Use the new video control mechanism
[media] gspca - sn9c20x: Fix loss of frame start
[media] gspca - zc3xx: Lack of register 08 value for sensor cs2102k
[media] gspca - ov534_9: Add brightness to OmniVision 5621 sensor
[media] gspca - zc3xx: Add V4L2_CID_JPEG_COMPRESSION_QUALITY control support
[media] pvrusb2: fix 7MHz & 8MHz DVB-T tuner support for HVR1900 rev D1F5
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:
"- we finally merged driver for USB version of Synaptics touchpads
(I guess most commonly found in IBM/Lenovo keyboard/touchpad combo);
- a bunch of new drivers for embedded platforms (Cypress
touchscreens, DA9052 OnKey, MAX8997-haptic, Ilitek ILI210x
touchscreens, TI touchscreen);
- input core allows clients to specify desired clock source for
timestamps on input events (EVIOCSCLOCKID ioctl);
- input core allows querying state of all MT slots for given event
code via EVIOCGMTSLOTS ioctl;
- various driver fixes and improvements."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (45 commits)
Input: ili210x - add support for Ilitek ILI210x based touchscreens
Input: altera_ps2 - use of_match_ptr()
Input: synaptics_usb - switch to module_usb_driver()
Input: convert I2C drivers to use module_i2c_driver()
Input: convert SPI drivers to use module_spi_driver()
Input: omap4-keypad - move platform_data to <linux/platform_data>
Input: kxtj9 - who_am_i check value and initial data rate fixes
Input: add driver support for MAX8997-haptic
Input: tegra-kbc - revise device tree support
Input: of_keymap - add device tree bindings for simple key matrices
Input: wacom - fix physical size calculation for 3rd-gen Bamboo
Input: twl4030-vibra - really switch from #if to #ifdef
Input: hp680_ts_input - ensure arguments to request_irq and free_irq are compatible
Input: max8925_onkey - avoid accessing input device too early
Input: max8925_onkey - allow to be used as a wakeup source
Input: atmel-wm97xx - convert to dev_pm_ops
Input: atmel-wm97xx - set driver owner
Input: add cyttsp touchscreen maintainer entry
Input: cyttsp - remove useless checks in cyttsp_probe()
Input: usbtouchscreen - add support for Data Modul EasyTouch TP 72037
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
"It contains HID driver updates all over the place -- a lot of new
hardware support especially in the multitouch area, including generic
handling of all multitouch devices by the hid-multitiouch driver
automatically."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (42 commits)
HID: multitouch: add PID for Fructel product
HID: wacom: Add reporting of wheel for Intuos4 WL
HID: wacom: Replace __set_bit with input_set_capability
HID: tivo: add support for BT-version (0x1200)
HID: wacom: Reset stylus buttons - Intuos4 WL
HID: multitouch: detect serial protocol
HID: handle all multitouch devices through hid-multitouch
HID: multitouch: fix handling of buggy reports descriptors for Dell ST2220T
HID: make it possible to force hid-core claim the device
HID: multitouch: add support for eGalax 0x722a
HID: usbhid: add quirk no_get for quanta 3008 devices
HID: multitouch: add more eGalax devices
HID: multitouch: add new PID from Ideacom
HID: multitouch: add support for Atmel maXTouch 03eb:2118
HID: waltop: Add support for tablet with PID 0038
HID: waltop: Replace original rdescs with links
HID: uclogic: Replace original rdescs with links
HID: wacom: Add pad buttons reporting on Intuos4 WL
HID: wacom: report distance for Intuos4 WL
HID: kye: Add support for 3 tablets
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches for 3.4-rc1 from Greg KH:
"Here's the big driver core merge for 3.4-rc1.
Lots of various things here, sysfs fixes/tweaks (with the nlink
breakage reverted), dynamic debugging updates, w1 drivers, hyperv
driver updates, and a variety of other bits and pieces, full
information in the shortlog."
* tag 'driver-core-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (78 commits)
Tools: hv: Support enumeration from all the pools
Tools: hv: Fully support the new KVP verbs in the user level daemon
Drivers: hv: Support the newly introduced KVP messages in the driver
Drivers: hv: Add new message types to enhance KVP
regulator: Support driver probe deferral
Revert "sysfs: Kill nlink counting."
uevent: send events in correct order according to seqnum (v3)
driver core: minor comment formatting cleanups
driver core: move the deferred probe pointer into the private area
drivercore: Add driver probe deferral mechanism
DS2781 Maxim Stand-Alone Fuel Gauge battery and w1 slave drivers
w1_bq27000: Only one thread can access the bq27000 at a time.
w1_bq27000 - remove w1_bq27000_write
w1_bq27000: remove unnecessary NULL test.
sysfs: Fix memory leak in sysfs_sd_setsecdata().
intel_idle: Revert change of auto_demotion_disable_flags for Nehalem
w1: Fix w1_bq27000
driver-core: documentation: fix up Greg's email address
powernow-k6: Really enable auto-loading
powernow-k7: Fix CPU family number
...
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Conflicts:
drivers/hid/Makefile
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Adds multitouch support for the Gametel Android game controller.
The multitouch events are emulated by the Gametel device. Each physical button
is configured to generate a MT event on a specific coordinate. This seems to be
the only way for us to support Android games that doesn't support HID gamepads.
It is possible to inject MT events at Android level, but this requires root on
the phone.
Signed-off-by: Andreas Nielsen <eas@svep.se>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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* tag 'v3.3': (1646 commits)
Linux 3.3
Don't limit non-nested epoll paths
netfilter: ctnetlink: fix race between delete and timeout expiration
ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu.
nilfs2: fix NULL pointer dereference in nilfs_load_super_block()
nilfs2: clamp ns_r_segments_percentage to [1, 99]
afs: Remote abort can cause BUG in rxrpc code
afs: Read of file returns EBADMSG
C6X: remove dead code from entry.S
wimax/i2400m: fix erroneous NETDEV_TX_BUSY use
net/hyperv: fix erroneous NETDEV_TX_BUSY use
net/usbnet: reserve headroom on rx skbs
bnx2x: fix memory leak in bnx2x_init_firmware()
bnx2x: fix a crash on corrupt firmware file
sch_sfq: revert dont put new flow at the end of flows
ipv6: fix icmp6_dst_alloc()
MAINTAINERS: Add Serge as maintainer of capabilities
drivers/video/backlight/s6e63m0.c: fix corruption storing gamma mode
MAINTAINERS: add entry for exynos mipi display drivers
MAINTAINERS: fix link to Gustavo Padovans tree
...
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This patch adds reporting of ABS_WHEEL event. Raported walues are 0..71
and are related to absolute location of the finger on the wheel.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Reviewed-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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It's a trivial patch. It's doesn't change the functionality as the helper
input_set_capability does the same thing.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add support for BT-driven configuration of the TiVo remote.
Reported-by: Joshua Dillon <jvdillon@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Stylus buttons have to be resetted when going out-of-prox.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Reviewed-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Microsoft's documentation about multitouch protocols tells that
if a device presents one touch per report, then it should be treated
as a serial protocol.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When the quirk HID_QUIRK_MULTITOUCH is present and when hid-multitouch
is loaded, let's pass the device to hid-multitouch even if it has
not been registered in hid-multitouch.
If any other driver wants to take precedence over hid-multitouch,
the usual way of adding it to hid_have_special_driver will work as
the quirk HID_QUIRK_MULTITOUCH won't be set by the generic hid layer.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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LG multitouch panels, such as the one found in Dell ST2220T, has buggy
reports descriptors. With the previous implementation, it was impossible
to rely on the reports descriptors to determine how the different
touches are emitted from the device.
This patch changes the splitting of the different touches in the report
in a more robust way.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This was done to resolve a conflict in the drivers/base/cpu.c file.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Introduce 'hid_ignore_special_drivers' module parameter that makes hid-core
claim the device even if it's listed in hid_have_special_driver[]. This
is useful mostly for debugging purposes and specialized initrds, where
all the hid drivers are not avaiable.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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