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Jason Gerecke 778fbf4179 HID: wacom: Read HID_DG_CONTACTMAX directly for non-generic devices 
We've recently switched from extracting the value of HID_DG_CONTACTMAX
at a fixed offset (which may not be correct for all tablets) to
injecting the report into the driver for the generic codepath to handle.
Unfortunately, this change was made for *all* tablets, even those which
aren't generic. Because `wacom_wac_report` ignores reports from non-
generic devices, the contact count never gets initialized. Ultimately
this results in the touch device itself failing to probe, and thus the
loss of touch input.

This commit adds back the fixed-offset extraction for non-generic devices.

Link: https://github.com/linuxwacom/input-wacom/issues/155
Fixes: 184eccd403 ("HID: wacom: generic: read HID_DG_CONTACTMAX from any feature report")
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
CC: stable@vger.kernel.org # 5.3+
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
 		2020-04-03 12:10:22 +02:00
..
accessibility console: Don't perform test for CON_BRL flag 2020-02-11 10:43:36 +01:00
acpi Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:40:08 -07:00
amba
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android binderfs: use refcount for binder control devices too 2020-03-11 19:33:52 +01:00
ata ata: make "libata.force" kernel parameter optional 2020-03-26 10:28:20 -06:00
atm atm: nicstar: fix if-statement empty body warning 2020-02-29 21:28:30 -08:00
auxdisplay auxdisplay: charlcd: replace zero-length array with flexible-array member 2020-03-06 22:18:07 +01:00
base Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-03-31 17:29:33 -07:00
bcma Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-01-28 16:02:33 -08:00
block for-5.7/drivers-2020-03-29 2020-03-30 11:43:51 -07:00
bluetooth Bluetooth: btusb: print Intel fw build version in power-on boot 2020-03-16 08:57:40 +01:00
bus Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-04-01 14:47:40 -07:00
cdrom scsi: compat_ioctl: cdrom: Replace .ioctl with .compat_ioctl in four appropriate places 2020-02-24 15:06:07 -05:00
char Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-04-01 14:47:40 -07:00
clk clk: imx: Align imx sc clock parent msg structs to 4 2020-03-25 18:46:05 -07:00
clocksource arm64 updates for 5.7: 2020-03-31 10:05:01 -07:00
connector
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counter counter: 104-quad-8: Support Differential Encoder Cable Status 2020-03-08 17:28:53 +00:00
cpufreq arm64 updates for 5.7: 2020-03-31 10:05:01 -07:00
cpuidle Merge branches 'pm-core', 'pm-sleep', 'pm-acpi' and 'pm-domains' 2020-03-30 14:46:58 +02:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-04-01 14:47:40 -07:00
dax dax: Get rid of fs_dax_get_by_host() helper 2020-01-16 09:52:27 -08:00
dca
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devfreq PM / devfreq: Fix handling dev_pm_qos_remove_request result 2020-03-25 08:35:03 +09:00
dio dio: Fix dio_bus_match() kerneldoc 2020-03-09 11:12:19 +01:00
dma dmaengine: ti: k3-udma-glue: Fix an error handling path in 'k3_udma_glue_cfg_rx_flow()' 2020-03-23 11:48:34 +05:30
dma-buf dma-buf: free dmabuf->name in dma_buf_release() 2020-02-27 18:01:58 +05:30
edac Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:40:08 -07:00
eisa
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extcon extcon: axp288: Convert to new X86 CPU match macros 2020-03-24 21:34:11 +01:00
firewire
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firmware Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-04-01 14:47:40 -07:00
fpga
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fsi fsi: aspeed: add unspecified HAS_IOMEM dependency 2020-02-10 13:45:49 -08:00
gnss
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gpio gpiolib: acpi: Add quirk to ignore EC wakeups on HP x2 10 CHT + AXP288 model 2020-03-24 10:06:54 +01:00
gpu Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2020-04-01 14:52:59 -07:00
greybus
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hid HID: wacom: Read HID_DG_CONTACTMAX directly for non-generic devices 2020-04-03 12:10:22 +02:00
hsi drivers: hsi: Call cpu_latency_qos_*() instead of pm_qos_*() 2020-02-14 10:37:23 +01:00
hv - Most of the commits here are work to enable host-initiated hibernation 2020-02-03 14:42:03 +00:00
hwmon Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:40:08 -07:00
hwspinlock hwspinlock: sirf: Use devm_hwspin_lock_register() to register hwlock controller 2020-01-21 16:16:36 -08:00
hwtracing intel_th: pci: Add Elkhart Lake CPU support 2020-03-18 11:32:56 +01:00
i2c i2c: pca-platform: Use platform_irq_get_optional 2020-03-28 05:03:17 +01:00
i3c i3c: convert to use i2c_new_client_device() 2020-03-29 10:35:50 +02:00
ide Linux 5.6 2020-03-30 13:31:37 +02:00
idle Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:40:08 -07:00
iio staging: iio: adc: ad7192: Re-indent enum labels 2020-03-23 11:43:42 +01:00
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-03-31 17:29:33 -07:00
input Driver core patches for 5.7-rc1 2020-03-30 13:59:52 -07:00
interconnect interconnect: Handle memory allocation errors 2020-03-03 08:02:57 +01:00
iommu iommu/vt-d: Populate debugfs if IOMMUs are detected 2020-03-14 20:02:43 +01:00
ipack
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irqchip MIPS updates for v5.7: 2020-03-31 08:51:45 -07:00
isdn proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
leds leds: lm3532: add pointer to documentation and fix typo 2020-01-22 21:08:24 +01:00
lightnvm for-5.7/drivers-2020-03-29 2020-03-30 11:43:51 -07:00
macintosh macintosh: windfarm: fix MODINFO regression 2020-03-10 12:30:59 +01:00
mailbox
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mcb
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md for-5.7/drivers-2020-03-29 2020-03-30 11:43:51 -07:00
media Power management updates for 5.7-rc1 2020-03-30 15:05:01 -07:00
memory mvebu drivers for 5.6 (part 1) 2020-01-16 10:45:44 -08:00
memstick
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message Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2020-01-19 22:10:04 +01:00
mfd chrome platform changes for 5.6 2020-02-04 07:17:41 +00:00
misc Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-04-01 14:47:40 -07:00
mmc MMC core: 2020-03-31 16:13:09 -07:00
most staging: most: move core files out of the staging area 2020-03-24 13:42:44 +01:00
mtd mtd: spi-nor: remove mtk-quadspi driver 2020-03-11 19:56:08 +00:00
mux
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net Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-03-31 17:29:33 -07:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-03-25 18:58:11 -07:00
ntb NTB: add pci shutdown handler for AMD NTB 2020-03-13 10:04:20 -04:00
nubus
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nvdimm block: simplify queue allocation 2020-03-27 10:23:43 -06:00
nvme for-5.7/drivers-2020-03-29 2020-03-30 11:43:51 -07:00
nvmem Merge branch 'i2c/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2020-02-07 12:54:13 -08:00
of Driver core patches for 5.7-rc1 2020-03-30 13:59:52 -07:00
opp ioremap changes for 5.6 2020-01-27 13:03:00 -08:00
oprofile
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parisc proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
parport
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pci Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-03-31 17:29:33 -07:00
pcmcia
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perf arm64 updates for 5.7: 2020-03-31 10:05:01 -07:00
phy Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-03-31 17:29:33 -07:00
pinctrl Updates for the interrupt subsystem: 2020-03-30 17:35:14 -07:00
platform platform-drivers-x86 for v5.7-1 2020-03-31 16:43:40 -07:00
pnp proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
power ARM: SoC platform updates 2020-02-08 13:55:25 -08:00
powercap Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:40:08 -07:00
pps
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ps3
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ptp ptp: Avoid deadlocks in the programmable pin code. 2020-03-30 11:16:38 -07:00
pwm clocksource/drivers/timer-ti-dm: Enable autoreload in set_pwm 2020-03-16 12:40:51 +01:00
rapidio
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ras
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regulator spi/regulator: Updates for v5.7 2020-03-30 14:58:26 -07:00
remoteproc remoteproc: clean up notification config 2020-03-16 17:31:51 -07:00
reset reset: intel: add unspecified HAS_IOMEM dependency 2020-02-10 11:11:55 +01:00
rpmsg rpmsg: add rpmsg support for mt8183 SCP. 2020-01-20 10:29:56 -08:00
rtc Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:13:08 -07:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2020-04-01 14:52:59 -07:00
sbus
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scsi Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-03-31 17:29:33 -07:00
sfi
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sh
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siox siox: Use the correct style for SPDX License Identifier 2020-01-14 21:46:53 +01:00
slimbus slimbus: ngd: add v2.1.0 compatible 2020-03-12 16:51:15 +01:00
soc soc: samsung: chipid: Fix return value on non-Exynos platforms 2020-03-25 14:27:27 +01:00
soundwire soundwire: cadence: fix kernel-doc parameter descriptions 2020-01-16 17:34:38 +05:30
spi Power management updates for 5.7-rc1 2020-03-30 15:05:01 -07:00
spmi spmi: pmic-arb: Set lockdep class for hierarchical irq domains 2020-02-10 13:16:04 +01:00
ssb ssb: Use scnprintf() for avoiding potential buffer overflow 2020-03-12 15:44:12 +02:00
staging Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-03-31 17:29:33 -07:00
target scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session" 2020-02-14 17:13:54 -05:00
tc The main MIPS changes for 5.6: 2020-01-31 11:28:31 -08:00
tee Merge tag 'tee-amdtee-fix2-for-5.6' of https://git.linaro.org/people/jens.wiklander/linux-tee into arm/fixes 2020-03-25 14:27:27 +01:00
thermal Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 17:01:51 -07:00
thunderbolt Merge 5.6-rc7 into usb-next 2020-03-23 08:04:08 +01:00
tty TTY/Serial patches for 5.7-rc1 2020-03-31 16:18:55 -07:00
uio uio: uio_pdrv_genirq: Do not log an error when deferring probe routine. 2020-01-14 15:27:51 +01:00
usb Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:17:15 -07:00
vfio VFIO updates for v5.6-rc1 2020-02-03 22:22:05 +00:00
vhost vhost: Check docket sk_family instead of call getname 2020-02-22 21:41:42 -08:00
video MIPS updates for v5.7: 2020-03-31 08:51:45 -07:00
virt
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virtio virtio_balloon: Adjust label in virtballoon_probe 2020-03-08 05:35:24 -04:00
visorbus visorbus: fix uninitialized variable access 2020-01-14 15:30:35 +01:00
vlynq
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vme Char/Misc driver changes for 5.6-rc1 2020-01-29 10:35:54 -08:00
w1 Char/Misc driver changes for 5.6-rc1 2020-01-29 10:35:54 -08:00
watchdog watchdog: iTCO_wdt: Make ICH_RES_IO_SMI optional 2020-03-10 10:20:37 +01:00
xen CPU (hotplug) updates: 2020-03-30 18:06:39 -07:00
zorro zorro: Replace zero-length array with flexible-array member 2020-03-09 11:12:19 +01:00
Kconfig staging: most: move core files out of the staging area 2020-03-24 13:42:44 +01:00
Makefile staging: most: move core files out of the staging area 2020-03-24 13:42:44 +01:00