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The Varmilo VA104M Keyboard (04b4:07b1, reported as Varmilo Z104M)
exposes media control hotkeys as a USB HID consumer control device, but
these keys do not work in the current (5.8-rc1) kernel due to the
incorrect HID report descriptor. Fix the problem by modifying the
internal HID report descriptor.
More specifically, the keyboard report descriptor specifies the
logical boundary as 572~10754 (0x023c ~ 0x2a02) while the usage
boundary is specified as 0~10754 (0x00 ~ 0x2a02). This results in an
incorrect interpretation of input reports, causing inputs to be ignored.
By setting the Logical Minimum to zero, we align the logical boundary
with the Usage ID boundary.
Some notes:
* There seem to be multiple variants of the VA104M keyboard. This
patch specifically targets 04b4:07b1 variant.
* The device works out-of-the-box on Windows platform with the generic
consumer control device driver (hidserv.inf). This suggests that
Windows either ignores the Logical Minimum/Logical Maximum or
interprets the Usage ID assignment differently from the linux
implementation; Maybe there are other devices out there that only
works on Windows due to this problem?
Signed-off-by: Frank Yang <puilp0502@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Print IRQ number used by PCIe Link Bandwidth Notification (Dongdong
Liu)
- Add schedule point in pci_read_config() to reduce max latency
(Jiang Biao)
- Add Kconfig options for MPS/MRRS strategy (Jim Quinlan)
Resource management:
- Fix pci_iounmap() memory leak when !CONFIG_GENERIC_IOMAP (Lorenzo
Pieralisi)
PCIe native device hotplug:
- Reduce noisiness on hot removal (Lukas Wunner)
Power management:
- Revert "PCI/PM: Apply D2 delay as milliseconds, not microseconds"
that was done on the basis of spec typo (Bjorn Helgaas)
- Rename pci_dev.d3_delay to d3hot_delay to remove D3hot/D3cold
ambiguity (Krzysztof Wilczyński)
- Remove unused pcibios_pm_ops (Vaibhav Gupta)
IOMMU:
- Enable Translation Blocking for external devices to harden against
DMA attacks (Rajat Jain)
Error handling:
- Add an ACPI APEI notifier chain for vendor CPER records to enable
device-specific error handling (Shiju Jose)
ASPM:
- Remove struct aspm_register_info to simplify code (Saheed O.
Bolarinwa)
Amlogic Meson PCIe controller driver:
- Build as module by default (Kevin Hilman)
Ampere Altra PCIe controller driver:
- Add MCFG quirk to work around non-standard ECAM implementation
(Tuan Phan)
Broadcom iProc PCIe controller driver:
- Set affinity mask on MSI interrupts (Mark Tomlinson)
Broadcom STB PCIe controller driver:
- Make PCIE_BRCMSTB depend on ARCH_BRCMSTB (Jim Quinlan)
- Add DT bindings for more Brcmstb chips (Jim Quinlan)
- Add bcm7278 register info (Jim Quinlan)
- Add bcm7278 PERST# support (Jim Quinlan)
- Add suspend and resume pm_ops (Jim Quinlan)
- Add control of rescal reset (Jim Quinlan)
- Set additional internal memory DMA viewport sizes (Jim Quinlan)
- Accommodate MSI for older chips (Jim Quinlan)
- Set bus max burst size by chip type (Jim Quinlan)
- Add support for bcm7211, bcm7216, bcm7445, bcm7278 (Jim Quinlan)
Freescale i.MX6 PCIe controller driver:
- Use dev_err_probe() to reduce redundant messages (Anson Huang)
Freescale Layerscape PCIe controller driver:
- Enforce 4K DMA buffer alignment in endpoint test (Hou Zhiqiang)
- Add DT compatible strings for ls1088a, ls2088a (Xiaowei Bao)
- Add endpoint support for ls1088a, ls2088a (Xiaowei Bao)
- Add endpoint test support for lS1088a (Xiaowei Bao)
- Add MSI-X support for ls1088a (Xiaowei Bao)
HiSilicon HIP PCIe controller driver:
- Handle HIP-specific errors via ACPI APEI (Yicong Yang)
HiSilicon Kirin PCIe controller driver:
- Return -EPROBE_DEFER if the GPIO isn't ready (Bean Huo)
Intel VMD host bridge driver:
- Factor out physical offset, bus offset, IRQ domain, IRQ allocation
(Jon Derrick)
- Use generic PCI PM correctly (Jon Derrick)
Marvell Aardvark PCIe controller driver:
- Fix compilation on s390 (Pali Rohár)
- Implement driver 'remove' function and allow to build it as module
(Pali Rohár)
- Move PCIe reset card code to advk_pcie_train_link() (Pali Rohár)
- Convert mvebu a3700 internal SMCC firmware return codes to errno
(Pali Rohár)
- Fix initialization with old Marvell's Arm Trusted Firmware (Pali
Rohár)
Microsoft Hyper-V host bridge driver:
- Fix hibernation in case interrupts are not re-created (Dexuan Cui)
NVIDIA Tegra PCIe controller driver:
- Stop checking return value of debugfs_create() functions (Greg
Kroah-Hartman)
- Convert to use DEFINE_SEQ_ATTRIBUTE macro (Liu Shixin)
Qualcomm PCIe controller driver:
- Reset PCIe to work around Qsdk U-Boot issue (Ansuel Smith)
Renesas R-Car PCIe controller driver:
- Add DT documentation for r8a774a1, r8a774b1, r8a774e1 endpoints
(Lad Prabhakar)
- Add RZ/G2M, RZ/G2N, RZ/G2H IDs to endpoint test (Lad Prabhakar)
- Add DT support for r8a7742 (Lad Prabhakar)
Socionext UniPhier Pro5 controller driver:
- Add DT descriptions of iATU register (host and endpoint) (Kunihiko
Hayashi)
Synopsys DesignWare PCIe controller driver:
- Add link up check in dw_child_pcie_ops.map_bus() (racy, but seems
unavoidable) (Hou Zhiqiang)
- Fix endpoint Header Type check so multi-function devices work (Hou
Zhiqiang)
- Skip PCIE_MSI_INTR0* programming if MSI is disabled (Jisheng Zhang)
- Stop leaking MSI page in suspend/resume (Jisheng Zhang)
- Add common iATU register support instead of keystone-specific code
(Kunihiko Hayashi)
- Major config space access and other cleanups in dwc core and
drivers that use it (al, exynos, histb, imx6, intel-gw, keystone,
kirin, meson, qcom, tegra) (Rob Herring)
- Add multiple PFs support for endpoint (Xiaowei Bao)
- Add MSI-X doorbell mode in endpoint mode (Xiaowei Bao)
Miscellaneous:
- Use fallthrough pseudo-keyword (Gustavo A. R. Silva)
- Fix "0 used as NULL pointer" warnings (Gustavo Pimentel)
- Fix "cast truncates bits from constant value" warnings (Gustavo
Pimentel)
- Remove redundant zeroing for sg_init_table() (Julia Lawall)
- Use scnprintf(), not snprintf(), in sysfs "show" functions
(Krzysztof Wilczyński)
- Remove unused assignments (Krzysztof Wilczyński)
- Fix "0 used as NULL pointer" warning (Krzysztof Wilczyński)
- Simplify bool comparisons (Krzysztof Wilczyński)
- Use for_each_child_of_node() and for_each_node_by_name() (Qinglang
Miao)
- Simplify return expressions (Qinglang Miao)"
* tag 'pci-v5.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (147 commits)
PCI: vmd: Update VMD PM to correctly use generic PCI PM
PCI: vmd: Create IRQ allocation helper
PCI: vmd: Create IRQ Domain configuration helper
PCI: vmd: Create bus offset configuration helper
PCI: vmd: Create physical offset helper
PCI: v3-semi: Remove unneeded break
PCI: dwc: Add link up check in dw_child_pcie_ops.map_bus()
PCI/ASPM: Remove struct pcie_link_state.l1ss
PCI/ASPM: Remove struct aspm_register_info.l1ss_cap
PCI/ASPM: Pass L1SS Capabilities value, not struct aspm_register_info
PCI/ASPM: Remove struct aspm_register_info.l1ss_ctl1
PCI/ASPM: Remove struct aspm_register_info.l1ss_ctl2 (unused)
PCI/ASPM: Remove struct aspm_register_info.l1ss_cap_ptr
PCI/ASPM: Remove struct aspm_register_info.latency_encoding
PCI/ASPM: Remove struct aspm_register_info.enabled
PCI/ASPM: Remove struct aspm_register_info.support
PCI/ASPM: Use 'parent' and 'child' for readability
PCI/ASPM: Move LTR path check to where it's used
PCI/ASPM: Move pci_clear_and_set_dword() earlier
PCI: dwc: Fix MSI page leakage in suspend/resume
...
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The usb-hid keyboard-dock for the Acer Switch 10 SW5-012 model declares
an application and hid-usage page of 0x0088 for the INPUT(4) report which
it sends. This reports contains 2 8-bit fields which are declared as
HID_MAIN_ITEM_VARIABLE.
The keyboard-touchpad combo never actually generates this report, except
when the touchpad is toggled on/off with the Fn + F7 hotkey combo. The
toggle on/off is handled inside the keyboard-dock, when the touchpad is
toggled off it simply stops sending events.
When the touchpad is toggled on/off an INPUT(4) report is generated with
the first content byte set to 120/121, before this commit the kernel
would report this as ABS_MISC 120/121 events.
Patch the descriptor to replace the HID_MAIN_ITEM_VARIABLE with
HID_MAIN_ITEM_RELATIVE (because no key-presss release events are send)
and add mappings for the 0x00880078 and 0x00880079 usages to generate
touchpad on/off key events when the touchpad is toggled on/off.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Communication between HID devices and HID core is mostly done
via HID reports. HID reports are formed based on the data received
from the PCI layer into the HID report descriptors.
Co-developed-by: Nehal Shah <Nehal-bakulchandra.Shah@amd.com>
Signed-off-by: Nehal Shah <Nehal-bakulchandra.Shah@amd.com>
Signed-off-by: Sandeep Singh <sandeep.singh@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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To support AMD Sensor Fusion Hub (SFH) via the HID client's we need to
register the client with the HID framework. Here we mostly address on
how to register the client with the framework and define the interfaces
for communication.
Co-developed-by: Nehal Shah <Nehal-bakulchandra.Shah@amd.com>
Signed-off-by: Nehal Shah <Nehal-bakulchandra.Shah@amd.com>
Signed-off-by: Sandeep Singh <sandeep.singh@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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AMD SFH (Sensor Fusion Hub) is a solution running on MP2
(which is ARM core connected to x86 for processing sensor data).
AMD SFH uses HID over PCI bus to form the HID descriptors and
talks to HID clients like the monitor-sensor/iio-proxy. MP2 which
is exposed as a PCI device to the x86, uses mailboxes to talk to
MP2 firmware to send/receive commands.
Co-developed-by: Nehal Shah <Nehal-bakulchandra.Shah@amd.com>
Signed-off-by: Nehal Shah <Nehal-bakulchandra.Shah@amd.com>
Signed-off-by: Sandeep Singh <sandeep.singh@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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It seems that the PID 0x4072 was missing from the list Logitech gave me
for this mouse, as I found one with it in the wild (with which I tested
this patch).
Fixes: 4435ff2f09a2 ("HID: logitech: Enable high-resolution scrolling on Logitech mice")
Signed-off-by: Harry Cutts <hcutts@chromium.org>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The Trust Flex Design Tablet has an UGTizer USB ID and requires the same
initialization as the UGTizer GP0610 to be detected as a graphics tablet
instead of a mouse.
Signed-off-by: Martijn van de Streek <martijn@zeewinde.xyz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial updates from Jiri Kosina:
"The latest advances in computer science from the trivial queue"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
xtensa: fix Kconfig typo
spelling.txt: Remove some duplicate entries
mtd: rawnand: oxnas: cleanup/simplify code
selftests: vm: add fragment CONFIG_GUP_BENCHMARK
perf: Fix opt help text for --no-bpf-event
HID: logitech-dj: Fix spelling in comment
bootconfig: Fix kernel message mentioning CONFIG_BOOT_CONFIG
MAINTAINERS: rectify MMP SUPPORT after moving cputype.h
scif: Fix spelling of EACCES
printk: fix global comment
lib/bitmap.c: fix spello
fs: Fix missing 'bit' in comment
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
- Lenovo X1 Tablet support improvements from Mikael Wikström
- "heartbeat" report fix for several Wacom devices from Jason Gerecke
- bounds checking fix in hid-roccat from Dan Carpenter
- stylus battery reporting fix from Dmitry Torokhov
- i2c-hid support for wakeup from suspend-to-idle from Kai-Heng Feng
- new driver for Vivaldi devices from Sean O'Brien
- other assorted small fixes and device ID additions
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: i2c-hid: Enable wakeup capability from Suspend-to-Idle
HID: add vivaldi HID driver
HID: hid-input: fix stylus battery reporting
HID: wacom: Avoid entering wacom_wac_pen_report for pad / battery
HID: i2c-hid: fix kerneldoc warnings in i2c-hid-core.c
HID: core: fix kerneldoc warnings in hid-core.c
HID: multitouch: Lenovo X1 Tablet Gen2 trackpoint and buttons
HID: multitouch: Lenovo X1 Tablet Gen3 trackpoint and buttons
HID: alps: clean up indentation issue
HID: intel-ish-hid: simplify the return expression of ishtp_bus_remove_device()
HID: hid-debug: fix nonblocking read semantics wrt EIO/ERESTARTSYS
HID: i2c-hid: Prefer asynchronous probe
HID: ite: Add USB id match for Acer One S1003 keyboard dock
HID: roccat: add bounds checking in kone_sysfs_write_settings()
HID: wiimote: narrow spinlock range in wiimote_hid_event()
HID: wiimote: make handlers[] const
HID: apple: Add support for Matias wireless keyboard
HID: cp2112: Use irqchip template
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- i2c-hid support for wakeup from suspend-to-idle
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Many laptops can be woken up from Suspend-to-Idle by touchpad. This is
also the default behavior on other OSes.
However, if touchpad and touchscreen contact to each other when lid is
closed, wakeup events can be triggered inadventertly.
So let's disable the wakeup by default, but enable the wakeup capability
so users can enable it at their own discretion.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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- "heartbeat" report fix for several Wacom devices
- Lenovo X1 Tablet support improvements
- new device IDs
- bounds checking fix in hid-roccat
- stylus battery reporting fix
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- code cleanups for hid-wiimote
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- driver for Vivaldi devices (keyboards which provide vendor-defined (Google)
usages in their descriptor)
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- intel-ish-hid code cleanup
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- prefer async probing in i2c-hid even if built-in
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- make cp2112 driver use irqchip template properly
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- nonblocking read semantics fix for hid-debug
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- support for Matias wireless (identifies itself as ISO RevB Alu)
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull Hyper-V updates from Wei Liu:
- a series from Boqun Feng to support page size larger than 4K
- a few miscellaneous clean-ups
* tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
hv: clocksource: Add notrace attribute to read_hv_sched_clock_*() functions
x86/hyperv: Remove aliases with X64 in their name
PCI: hv: Document missing hv_pci_protocol_negotiation() parameter
scsi: storvsc: Support PAGE_SIZE larger than 4K
Driver: hv: util: Use VMBUS_RING_SIZE() for ringbuffer sizes
HID: hyperv: Use VMBUS_RING_SIZE() for ringbuffer sizes
Input: hyperv-keyboard: Use VMBUS_RING_SIZE() for ringbuffer sizes
hv_netvsc: Use HV_HYP_PAGE_SIZE for Hyper-V communication
hv: hyperv.h: Introduce some hvpfn helper functions
Drivers: hv: vmbus: Move virt_to_hvpfn() to hyperv header
Drivers: hv: Use HV_HYP_PAGE in hv_synic_enable_regs()
Drivers: hv: vmbus: Introduce types of GPADL
Drivers: hv: vmbus: Move __vmbus_open()
Drivers: hv: vmbus: Always use HV_HYP_PAGE_SIZE for gpadl
drivers: hv: remove cast from hyperv_die_event
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f30_data in rmi_device_platform_data could be also referenced by RMI
function 3A, so rename it and the structure name to avoid confusion.
Signed-off-by: Vincent Huang <vincent.huang@tw.synaptics.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andrew Duggan <aduggan@synaptics.com>
Link: https://lore.kernel.org/r/20200930094147.635556-2-vincent.huang@tw.synaptics.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add vivaldi HID driver. This driver allows us to read and report the top
row layout of keyboards which provide a vendor-defined (Google) HID
usage.
Signed-off-by: Sean O'Brien <seobrien@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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PCI devices support two variants of the D3 power state: D3hot (main power
present) D3cold (main power removed). Previously struct pci_dev contained:
unsigned int d3_delay; /* D3->D0 transition time in ms */
unsigned int d3cold_delay; /* D3cold->D0 transition time in ms */
"d3_delay" refers specifically to the D3hot state. Rename it to
"d3hot_delay" to avoid ambiguity and align with the ACPI "_DSM for
Specifying Device Readiness Durations" in the PCI Firmware spec r3.2,
sec 4.6.9.
There is no change to the functionality.
Link: https://lore.kernel.org/r/20200730210848.1578826-1-kw@linux.com
Signed-off-by: Krzysztof Wilczyński <kw@linux.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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For a Hyper-V vmbus, the size of the ringbuffer has two requirements:
1) it has to take one PAGE_SIZE for the header
2) it has to be PAGE_SIZE aligned so that double-mapping can work
VMBUS_RING_SIZE() could calculate a correct ringbuffer size which
fulfills both requirements, therefore use it to make sure vmbus work
when PAGE_SIZE != HV_HYP_PAGE_SIZE (4K).
Note that since the argument for VMBUS_RING_SIZE() is the size of
payload (data part), so it will be minus 4k (the size of header when
PAGE_SIZE = 4k) than the original value to keep the ringbuffer total
size unchanged when PAGE_SIZE = 4k.
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20200916034817.30282-10-boqun.feng@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
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With commit 4f3882177240 hid-input started clearing of "ignored" usages
to avoid using garbage that might have been left in them. However
"battery strength" usages should not be ignored, as we do want to
use them.
Fixes: 4f3882177240 ("HID: hid-input: clear unmapped usages")
Reported-by: Kenneth Albanowski <kenalba@google.com>
Tested-by: Kenneth Albanowski <kenalba@google.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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It has recently been reported that the "heartbeat" report from devices
like the 2nd-gen Intuos Pro (PTH-460, PTH-660, PTH-860) or the 2nd-gen
Bluetooth-enabled Intuos tablets (CTL-4100WL, CTL-6100WL) can cause the
driver to send a spurious BTN_TOUCH=0 once per second in the middle of
drawing. This can result in broken lines while drawing on Chrome OS.
The source of the issue has been traced back to a change which modified
the driver to only call `wacom_wac_pad_report()` once per report instead
of once per collection. As part of this change, pad-handling code was
removed from `wacom_wac_collection()` under the assumption that the
`WACOM_PEN_FIELD` and `WACOM_TOUCH_FIELD` checks would not be satisfied
when a pad or battery collection was being processed.
To be clear, the macros `WACOM_PAD_FIELD` and `WACOM_PEN_FIELD` do not
currently check exclusive conditions. In fact, most "pad" fields will
also appear to be "pen" fields simply due to their presence inside of
a Digitizer application collection. Because of this, the removal of
the check from `wacom_wac_collection()` just causes pad / battery
collections to instead trigger a call to `wacom_wac_pen_report()`
instead. The pen report function in turn resets the tip switch state
just prior to exiting, resulting in the observed BTN_TOUCH=0 symptom.
To correct this, we restore a version of the `WACOM_PAD_FIELD` check
in `wacom_wac_collection()` and return early. This effectively prevents
pad / battery collections from being reported until the very end of the
report as originally intended.
Fixes: d4b8efeb46d9 ("HID: wacom: generic: Correct pad syncing")
Cc: stable@vger.kernel.org # v4.17+
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Tested-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Fix following warnings caused by mismatch bewteen function parameters
and comments.
drivers/hid/i2c-hid/i2c-hid-core.c:331: warning: Function parameter or member 'data_len' not described in 'i2c_hid_set_or_send_report'
drivers/hid/i2c-hid/i2c-hid-core.c:331: warning: Excess function parameter 'len' description in 'i2c_hid_set_or_send_report'
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Fix following warnings caused by mismatch bewteen function parameters
and comments.
drivers/hid/hid-core.c:931: warning: Function parameter or member 'hid' not described in 'hid_parse_report'
drivers/hid/hid-core.c:931: warning: Excess function parameter 'device' description in 'hid_parse_report'
drivers/hid/hid-core.c:961: warning: Function parameter or member 'hid' not described in 'hid_validate_values'
drivers/hid/hid-core.c:961: warning: Excess function parameter 'device' description in 'hid_validate_values'
drivers/hid/hid-core.c:1452: warning: Function parameter or member 'report' not described in 'hid_match_report'
drivers/hid/hid-core.c:1452: warning: Excess function parameter 'report_type' description in 'hid_match_report'
drivers/hid/hid-core.c:2132: warning: Function parameter or member 'drv' not described in 'new_id_store'
drivers/hid/hid-core.c:2132: warning: Excess function parameter 'driver' description in 'new_id_store'
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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One more device that needs 40d5bb87 to resolve regression for the trackpoint
and three mouse buttons on the type cover of the Lenovo X1 Tablet Gen2.
Signed-off-by: Mikael Wikström <leakim.wikstrom@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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One more device that needs 40d5bb87 to resolve regression for the trackpoint
and three mouse buttons on the type cover of the Lenovo X1 Tablet Gen3.
It is probably also needed for the Lenovo X1 Tablet Gen2 with PID 0x60a3
Signed-off-by: Mikael Wikström <leakim.wikstrom@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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There is an if statement that is indented too deeply, fix this by removing the
extraneous tab.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Simplify the return expression.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When the file has been open in non-blocking mode, EIO or ERESTARTSYS
would never be returned even if they should (for example when device
has been unplugged, you want EIO and not EAGAIN to be returned).
Move the O_NONBLOCK check after other checks have been performed.
Based on similar to patches hidraw and hiddev by Founder Fang
<founder.fang@gmail.com> and Jiri Kosina <jkosina@suse.cz>.
Signed-off-by: Laurent Gauthier <laurent.gauthier@soccasys.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Adding printouts to the i2c_hid_probe() function shows that it takes
quite some time. It used to take about 70 ms, but after commit
eef4016243e9 ("HID: i2c-hid: Always sleep 60ms after I2C_HID_PWR_ON
commands") it takes about 190 ms. This is not tons of time but it's
not trivial. Because we haven't yet specified that we'd prefer
asynchronous probe for this driver then, if the driver is builtin to
the kernel, we'll wait for this driver to finish before we start
probes for more drivers. Let's set the flag to enable asynchronous
for this driver so that other drivers aren't blocked from probing
until we finish.
Since this driver can be configured as a module and modules are
always asynchronously probed this is quite a safe change and will
benefit anyone who has a reason to build this driver into the kernel
instead of using it as a module.
[jkosina@suse.cz: drop spurious whitespace addition]
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The Acer One S1003 2-in-1 keyboard dock uses a Synaptics S910xx touchpad
which is connected to an ITE 8910 USB keyboard controller chip.
This keyboard has the same quirk for its rfkill / airplane mode hotkey as
other keyboards with ITE keyboard chips, it only sends a single release
event when pressed and released, it never sends a press event.
This commit adds this keyboards USB id to the hid-ite id-table, fixing
the rfkill key not working on this keyboard. Note that like for the
Acer Aspire Switch 10 (SW5-012) the id-table entry matches on the
HID_GROUP_GENERIC generic group so that hid-ite only binds to the
keyboard interface and the mouse/touchpad interface is left untouched
so that hid-multitouch can bind to it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This code doesn't check if "settings->startup_profile" is within bounds
and that could result in an out of bounds array access. What the code
does do is it checks if the settings can be written to the firmware, so
it's possible that the firmware has a bounds check? It's safer and
easier to verify when the bounds checking is done in the kernel.
Fixes: 14bf62cde794 ("HID: add driver for Roccat Kone gaming mouse")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Linux 5.9-rc4
* tag 'v5.9-rc4': (1001 commits)
Linux 5.9-rc4
io_uring: fix linked deferred ->files cancellation
io_uring: fix cancel of deferred reqs with ->files
include/linux/log2.h: add missing () around n in roundup_pow_of_two()
mm/khugepaged.c: fix khugepaged's request size in collapse_file
mm/hugetlb: fix a race between hugetlb sysctl handlers
mm/hugetlb: try preferred node first when alloc gigantic page from cma
mm/migrate: preserve soft dirty in remove_migration_pte()
mm/migrate: remove unnecessary is_zone_device_page() check
mm/rmap: fixup copying of soft dirty and uffd ptes
mm/migrate: fixup setting UFFD_WP flag
mm: madvise: fix vma user-after-free
checkpatch: fix the usage of capture group ( ... )
fork: adjust sysctl_max_threads definition to match prototype
ipc: adjust proc_ipc_sem_dointvec definition to match prototype
mm: track page table modifications in __apply_to_page_range()
MAINTAINERS: IA64: mark Status as Odd Fixes only
MAINTAINERS: add LLVM maintainers
MAINTAINERS: update Cavium/Marvell entries
mm: slub: fix conversion of freelist_corrupted()
...
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In `wiimote_hid_event()`, the `wdata->state.lock` spinlock does not need
to be held while searching `handlers[]` for a suitable handler function.
Change it so the spinlock is only held during the call to the handler
function itself.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: David Rheinsberg <david.rheinsberg@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The `handlers[]` array contents are never modified, so use the `const`
qualifier.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: David Rheinsberg <david.rheinsberg@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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rc-core kapi uses nanoseconds for infrared durations for receiving, and
microseconds for sending. The uapi already uses microseconds for both,
so this patch does not change the uapi.
Infrared durations do not need nanosecond resolution. IR protocols do not
have durations shorter than about 100 microseconds. Some IR hardware offers
250 microseconds resolution, which is sufficient for most protocols.
Better hardware has 50 microsecond resolution and is enough for every
protocol I am aware off.
Unify on microseconds everywhere. This simplifies the code since less
conversion between microseconds and nanoseconds needs to be done.
This affects:
- rx_resolution member of struct rc_dev
- timeout member of struct rc_dev
- duration member in struct ir_raw_event
Cc: "Bruno Prémont" <bonbons@linux-vserver.org>
Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: Patrick Lerda <patrick9876@free.fr>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: "David Härdeman" <david@hardeman.nu>
Cc: Benjamin Valentin <benpicco@googlemail.com>
Cc: Antti Palosaari <crope@iki.fi>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- data sanitization and validtion fixes for report descriptor parser
from Marc Zyngier
- memory leak fix for hid-elan driver from Dinghao Liu
- two device-specific quirks
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: core: Sanitize event code and type when mapping input
HID: core: Correctly handle ReportSize being zero
HID: elan: Fix memleak in elan_input_configured
HID: microsoft: Add rumble support for the 8bitdo SN30 Pro+ controller
HID: quirks: Set INCREMENT_USAGE_ON_DUPLICATE for all Saitek X52 devices
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Change 'unhandeled' to 'unhandled'.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When calling into hid_map_usage(), the passed event code is
blindly stored as is, even if it doesn't fit in the associated bitmap.
This event code can come from a variety of sources, including devices
masquerading as input devices, only a bit more "programmable".
Instead of taking the event code at face value, check that it actually
fits the corresponding bitmap, and if it doesn't:
- spit out a warning so that we know which device is acting up
- NULLify the bitmap pointer so that we catch unexpected uses
Code paths that can make use of untrusted inputs can now check
that the mapping was indeed correct and bail out if not.
Cc: stable@vger.kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
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It appears that a ReportSize value of zero is legal, even if a bit
non-sensical. Most of the HID code seems to handle that gracefully,
except when computing the total size in bytes. When fed as input to
memset, this leads to some funky outcomes.
Detect the corner case and correctly compute the size.
Cc: stable@vger.kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
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When input_mt_init_slots() fails, input should be freed
to prevent memleak. When input_register_device() fails,
we should call input_mt_destroy_slots() to free memory
allocated by input_mt_init_slots().
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When operating in XInput mode, the 8bitdo SN30 Pro+ requires the same
quirk as the official Xbox One Bluetooth controllers for rumble to
function.
Other controllers like the N30 Pro 2, SF30 Pro, SN30 Pro, etc. probably
also need this quirk, but I do not have the hardware to test.
Signed-off-by: Nicholas Miell <nmiell@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The Saitek X52 family of joysticks has a pair of axes that were
originally (by the Windows driver) used as mouse pointer controls. The
corresponding usage page is the Game Controls page, which is not
recognized by the generic HID driver, and therefore, both axes get
mapped to ABS_MISC. The quirk makes the second axis get mapped to
ABS_MISC+1, and therefore made available separately.
One Saitek X52 device is already fixed. This patch fixes the other two
known devices with VID/PID 06a3:0255 and 06a3:0762.
Signed-off-by: Nirenjan Krishnan <nirenjan@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- regression fix / revert of a commit that intended to reduce probing
delay by ~50ms, but introduced a race that causes quite a few devices
not to enumerate, or get stuck on first IRQ
- buffer overflow fix in hiddev, from Peilin Ye
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
Revert "HID: usbhid: do not sleep when opening device"
HID: hiddev: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
HID: quirks: Always poll three more Lenovo PixArt mice
HID: i2c-hid: Always sleep 60ms after I2C_HID_PWR_ON commands
HID: macally: Constify macally_id_table
HID: cougar: Constify cougar_id_table
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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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