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8341720642
linux/drivers/hid
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Jason Gerecke 8341720642 HID: wacom: Queue events with missing type/serial data for later processing 
Userspace expects to receive tool type and serial number information
for the active pen in the very first kernel report, if such data is
supported by the hardware. While this expectation is not an issue for
EMR devices, AES sensors will often send several packets worth of in-
range data before relaying type/serial data to the kernel. Sending this
data "late" can result in proximity-tracking issues by xf86-input-wacom,
or an inability to distinguish different pens by input-wacom.

Options for dealing with this situation include ignoring reports from
the tablet until we get the necessary data, or using the information
from the last-seen pen instead of the (eventual) real data. Neither
option is particularly attractive: the former results in truncated
strokes and the latter causes issues with switching between pens.

This commit instead opts to queue up events with missing information
until we receive a report which contains it. At that point, we can
update the driver's state variables (id[0] and serial[0]) and replay
the queued events.

Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2017-11-21 13:04:35 +01:00
..
i2c-hid Merge branch 'for-4.15/upstream' into for-linus 2017-11-15 11:10:38 +01:00
intel-ish-hid License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
usbhid Merge branch 'for-linus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2017-11-15 09:43:57 -08:00
hid-a4tech.c
hid-accutouch.c HID: Accutouch: Add driver for ELO Accutouch 2216 USB Touchscreens 2017-03-21 15:03:55 +01:00
hid-alps.c HID: alps: add new U1 device ID 2017-10-17 12:41:23 +02:00
hid-apple.c HID: apple: Use country code to detect ISO keyboards 2017-06-08 13:58:03 +02:00
hid-appleir.c HID: hid-input: allow input_configured callback return errors 2015-11-05 09:51:50 -08:00
hid-asus.c HID: add backlight level quirk for Asus ROG laptops 2017-11-09 12:48:31 +01:00
hid-aureal.c HID: fix some indenting issues 2015-10-21 13:15:53 +02:00
hid-axff.c
hid-belkin.c
hid-betopff.c HID: betop: add drivers/hid/hid-betopff.c 2014-12-22 15:00:25 +01:00
hid-cherry.c
hid-chicony.c HID: move Asus keyboard support from hid-chicony to hid-asus 2017-06-08 13:47:52 +02:00
hid-cmedia.c HID: Support for CMedia CM6533 HID audio jack controls 2016-03-02 10:31:36 +01:00
hid-core.c Merge branch 'for-4.15/upstream' into for-linus 2017-11-15 11:10:38 +01:00
hid-corsair.c HID: corsair: Add driver Scimitar Pro RGB gaming mouse 1b1c:1b3e support to hid-corsair 2017-03-21 14:46:15 +01:00
hid-cp2112.c HID: cp2112: fix broken gpio_direction_input callback 2017-11-10 13:32:35 +01:00
hid-cypress.c HID: hid-cypress: validate length of report 2017-01-06 16:06:43 +01:00
hid-debug.c Merge branch 'for-4.12/asus' into for-linus 2017-05-02 11:02:41 +02:00
hid-dr.c Revert "HID: dragonrise: fix HID Descriptor for 0x0006 PID" 2016-10-10 10:52:01 +02:00
hid-elecom.c HID: hid-elecom: extend to fix descriptor for HUGE trackball 2017-10-11 15:46:22 +02:00
hid-elo.c HID: elo: kill not flush the work 2016-06-01 14:08:17 +02:00
hid-emsff.c
hid-ezkey.c
hid-gaff.c
hid-gembird.c HID: gembird: add new driver to fix Gembird JPD-DualForce 2 2015-08-18 15:03:43 +02:00
hid-generic.c
hid-gfrm.c HID: hid-gfrm: avoid warning for input_configured API change 2015-11-05 10:15:35 -08:00
hid-gt683r.c HID: use to_hid_device() 2015-12-28 13:41:44 +01:00
hid-gyration.c
hid-holtek-kbd.c
hid-holtek-mouse.c
hid-holtekff.c
hid-hyperv.c HID: hyperv: pr_err() strings should end with newlines 2017-10-05 11:27:08 +02:00
hid-icade.c
hid-ids.h Merge branch 'for-4.15/upstream' into for-linus 2017-11-15 11:10:38 +01:00
hid-input.c HID: hid-input: Add eraser usage to hidinput_configure_usage 2017-10-05 11:20:12 +02:00
hid-ite.c HID: ite: Add hid-ite driver 2017-05-11 10:27:48 +02:00
hid-kensington.c
hid-keytouch.c
hid-kye.c scripts/spelling.txt: add "comsume(r)" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
hid-lcpower.c
hid-led.c HID: hid-led: fix issue with transfer buffer not being dma capable 2016-10-10 10:47:03 +02:00
hid-lenovo.c HID: lenovo: Don't use stack variables for DMA buffers 2016-03-29 15:39:36 +02:00
hid-lg2ff.c
hid-lg3ff.c
hid-lg4ff.c HID: hid-logitech: remove redundant assignment to pointer value 2017-10-19 13:52:38 +02:00
hid-lg4ff.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hid-lg.c HID: hid-lg: make array cbuf static const to shink object code size 2017-09-06 10:58:54 +02:00
hid-lg.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hid-lgff.c
hid-logitech-dj.c HID: logitech-dj: allow devices to request full pairing information 2017-04-06 14:36:36 +02:00
hid-logitech-hidpp.c HID: logitech-hidpp: constify attribute_group structures. 2017-08-03 13:38:30 +02:00
hid-magicmouse.c Revert "HID: magicmouse: Set multi-touch keybits for Magic Mouse" 2017-06-20 10:38:17 +02:00
hid-mf.c HID: hid-mf: add force feedback support for Mayflash DolphinBar and GameCube 2017-01-11 22:12:44 +01:00
hid-microsoft.c HID: multitouch: enable Surface 3 Type Cover Pro to report multitouch data 2017-01-20 15:17:19 +01:00
hid-monterey.c
hid-multitouch.c Merge branch 'for-4.15/use-timer-setup' into for-linus 2017-11-15 11:13:23 +01:00
hid-nti.c HID: Add quirk driver for NTI USB-SUN adapter 2017-03-06 13:16:33 +01:00
hid-ntrig.c HID: ntrig: constify attribute_group structures. 2017-08-03 13:38:30 +02:00
hid-ortek.c HID: ortek: add one more buggy device 2017-07-24 17:38:21 +02:00
hid-penmount.c HID: penmount: report only one button for PenMount 6000 USB touchscreen controller 2016-03-10 17:17:26 +01:00
hid-petalynx.c
hid-picolcd_backlight.c HID: picoLCD: Deletion of unnecessary checks before three function calls 2015-06-29 14:51:12 +02:00
hid-picolcd_cir.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
hid-picolcd_core.c
hid-picolcd_debugfs.c HID: picoLCD: Spelling s/REPORT_WRTIE_MEMORY/REPORT_WRITE_MEMORY/ 2017-03-24 15:45:04 +01:00
hid-picolcd_fb.c
hid-picolcd_lcd.c HID: picoLCD: Deletion of unnecessary checks before three function calls 2015-06-29 14:51:12 +02:00
hid-picolcd_leds.c HID: use to_hid_device() 2015-12-28 13:41:44 +01:00
hid-picolcd.h
hid-pl.c
hid-plantronics.c HID: plantronics: Update to map volume up/down controls 2015-06-12 15:04:17 +02:00
hid-primax.c
hid-prodikeys.c HID: prodikeys: constify snd_rawmidi_ops structures 2017-08-15 11:02:45 +02:00
hid-retrode.c HID: Add driver for Retrode2 joypad adapter 2017-06-22 14:44:11 +02:00
hid-rmi.c HID: rmi: Check that a device is a RMI device before calling RMI functions 2017-10-19 10:03:50 +02:00
hid-roccat-arvo.c HID: use kobj_to_dev() 2015-12-28 13:41:51 +01:00
hid-roccat-arvo.h
hid-roccat-common.c HID: use kobj_to_dev() 2015-12-28 13:41:51 +01:00
hid-roccat-common.h
hid-roccat-isku.c HID: use kobj_to_dev() 2015-12-28 13:41:51 +01:00
hid-roccat-isku.h
hid-roccat-kone.c HID: use kobj_to_dev() 2015-12-28 13:41:51 +01:00
hid-roccat-kone.h
hid-roccat-koneplus.c HID: use kobj_to_dev() 2015-12-28 13:41:51 +01:00
hid-roccat-koneplus.h
hid-roccat-konepure.c
hid-roccat-kovaplus.c HID: use kobj_to_dev() 2015-12-28 13:41:51 +01:00
hid-roccat-kovaplus.h
hid-roccat-lua.c HID: use kobj_to_dev() 2015-12-28 13:41:51 +01:00
hid-roccat-lua.h
hid-roccat-pyra.c HID: use kobj_to_dev() 2015-12-28 13:41:51 +01:00
hid-roccat-pyra.h
hid-roccat-ryos.c
hid-roccat-savu.c
hid-roccat-savu.h
hid-roccat.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
hid-saitek.c HID: Add a new Saitek mouse device ID (RAT 9) 2016-08-02 16:45:17 +02:00
hid-samsung.c
hid-sensor-custom.c Merge branch 'for-4.14/ish' into for-linus 2017-09-05 11:10:13 +02:00
hid-sensor-hub.c HID: hid-sensor-hub: Force logical minimum to 1 for power and report state 2017-08-09 22:15:59 +02:00
hid-sjoy.c HID: sjoy: support Super Joy Box 4 2015-05-07 10:47:53 +02:00
hid-sony.c HID: sony: Fix SHANWAN pad rumbling on USB 2017-11-09 13:31:04 +01:00
hid-speedlink.c
hid-steelseries.c HID: use to_hid_device() 2015-12-28 13:41:44 +01:00
hid-sunplus.c
hid-tivo.c HID: tivo: enable all buttons on the TiVo Slide Pro remote 2015-03-15 10:04:27 -04:00
hid-tmff.c HID: Add ID 044f:b605 ThrustMaster, Inc. force feedback Racing Wheel 2017-11-07 10:04:46 +01:00
hid-topseed.c
hid-twinhan.c
hid-uclogic.c HID: uclogic: add support for Ugee Tablet EX07S 2017-04-06 14:50:11 +02:00
hid-udraw-ps3.c HID: udraw-ps3: accel_limits is local to the driver 2016-11-15 14:23:17 +01:00
hid-waltop.c HID: Remove broken links to tablet descriptions 2016-09-19 14:32:21 +02:00
hid-wiimote-core.c
hid-wiimote-debug.c
hid-wiimote-modules.c HID: wiimote: Fix wiimote mp scale linearization 2016-03-18 17:31:38 +01:00
hid-wiimote.h HID: use to_hid_device() 2015-12-28 13:41:44 +01:00
hid-xinmo.c HID: xinmo: fix for out of range for THT 2P arcade controller. 2017-03-24 15:43:03 +01:00
hid-zpff.c
hid-zydacron.c
hidraw.c HID: hidraw: fix power sequence when closing device 2017-10-02 11:46:31 +02:00
Kconfig Merge branch 'for-4.15/upstream' into for-linus 2017-11-15 11:10:38 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
uhid.c HID: introduce hid_is_using_ll_driver 2017-07-27 15:14:28 +02:00
wacom_sys.c HID: wacom: Queue events with missing type/serial data for later processing 2017-11-21 13:04:35 +01:00
wacom_wac.c HID: wacom: Queue events with missing type/serial data for later processing 2017-11-21 13:04:35 +01:00
wacom_wac.h HID: wacom: Queue events with missing type/serial data for later processing 2017-11-21 13:04:35 +01:00
wacom.h HID: wacom: Add ability to provide explicit battery status info 2017-05-05 21:46:10 +02:00