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Add USB ID 060b:700a to the list of valid USB IDS for the
cougar hid driver.
Signed-off-by: Daniel M. Lambea <[email protected]>
Signed-off-by: Benjamin Tissoires <[email protected]>
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The PixArt OEM mice are known for disconnecting every minute in
runlevel 1 or 3 if they are not always polled. So add quirk
ALWAYS_POLL for two Primax mice as well.
0x4e22 is the Dell MS111-P and 0x4d0f is the unbranded HP Portia
mouse HP 697738-001. Both were built until approx. 2014.
Those were the standard mice from those vendors and are still
around - even as new old stock.
Reference: https://github.com/sriemer/fix-linux-mouse/issues/11
Signed-off-by: Sebastian Parschauer <[email protected]>
CC: [email protected]
Signed-off-by: Jiri Kosina <[email protected]>
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LG touchscreen (1fd2:8001) stops working after reboot:
[ 4.859153] i2c_hid i2c-SAPS2101:00: i2c_hid_get_input: incomplete report (64/66)
[ 4.936070] i2c_hid i2c-SAPS2101:00: i2c_hid_get_input: incomplete report (64/66)
[ 9.948224] i2c_hid i2c-SAPS2101:00: failed to reset device.
The device in question stops working after receives SLEEP, ON, SLEEP
commands in a short period. The scenario is like this:
- Once the desktop session closes, it also closed the hid device, so the
device gets runtime suspended and receives a SLEEP command.
- Before calling shutdown callback, it gets runtime resumed and received
an ON command.
- In the shutdown callback, it receives another SLEEP command.
I failed to find a reliable interval between ON/SLEEP commands that can
make it work, so let's simply disable runtime PM for the device.
Signed-off-by: Kai-Heng Feng <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Cirque Touchpad/Pointstick combo is similar to Alps devices, it requires
MT_CLS_WIN_8_DUAL to expose its pointstick as a mouse.
Signed-off-by: Kai-Heng Feng <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Previously, when a HID client such as the Steam Client was running, this
driver disabled its input device to avoid doubling the input events.
While it worked mostly fine, some games got confused by the idle gamepad,
and switched to two player mode, or asked the user to choose which gamepad
to use. Other games just crashed, probably a bug in Unity [1].
With this commit, when a HID client starts, the input device is removed;
when the HID client ends the input device is recreated.
[1]: https://github.com/ValveSoftware/steam-for-linux/issues/5645
Signed-off-by: Rodrigo Rivas Costa <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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This reverts commit 336fd4f5f25157e9e8bd50e898a1bbcd99eaea46.
Please note that `strlcpy()` does *NOT* do what you think it does.
strlcpy() *ALWAYS* reads the full input string, regardless of the
'length' parameter. That is, if the input is not zero-terminated,
strlcpy() will *READ* beyond input boundaries. It does this, because it
always returns the size it *would* copy if the target was big enough,
not the truncated size it actually copied.
The original code was perfectly fine. The hid device is
zero-initialized and the strncpy() functions copied up to n-1
characters. The result is always zero-terminated this way.
This is the third time someone tried to replace strncpy with strlcpy in
this function, and gets it wrong. I now added a comment that should at
least make people reconsider.
Signed-off-by: David Herrmann <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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When a UHID_CREATE command is written to the uhid char device, a
copy_from_user() is done from a user pointer embedded in the command.
When the address limit is KERNEL_DS, e.g. as is the case during
sys_sendfile(), this can read from kernel memory. Alternatively,
information can be leaked from a setuid binary that is tricked to write
to the file descriptor. Therefore, forbid UHID_CREATE in these cases.
No other commands in uhid_char_write() are affected by this bug and
UHID_CREATE is marked as "obsolete", so apply the restriction to
UHID_CREATE only rather than to uhid_char_write() entirely.
Thanks to Dmitry Vyukov for adding uhid definitions to syzkaller and to
Jann Horn for commit 9da3f2b740544 ("x86/fault: BUG() when uaccess
helpers fault on kernel addresses"), allowing this bug to be found.
Reported-by: [email protected]
Fixes: d365c6cfd337 ("HID: uhid: add UHID_CREATE and UHID_DESTROY events")
Cc: <[email protected]> # v3.6+
Cc: Jann Horn <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Signed-off-by: Eric Biggers <[email protected]>
Reviewed-by: Jann Horn <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Before this commit sensor_hub_input_attr_get_raw_value() failed to take
the signedness of 16 and 8 bit values into account, returning e.g.
65436 instead of -100 for the z-axis reading of an accelerometer.
This commit adds a new is_signed parameter to the function and makes all
callers pass the appropriate value for this.
While at it, this commit also fixes up some neighboring lines where
statements were needlessly split over 2 lines to improve readability.
Signed-off-by: Hans de Goede <[email protected]>
Acked-by: Srinivas Pandruvada <[email protected]>
Acked-by: Benjamin Tissoires <[email protected]>
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
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It makes little sense but still possible to put Hyper-V guests into
suspend-to-idle state. To wake them up two wakeup sources were registered
in the past: hyperv-keyboard and hid-hyperv. However, since
commit eed4d47efe95 ("ACPI / sleep: Ignore spurious SCI wakeups from
suspend-to-idle") pm_wakeup_event() from these devices is ignored. Switch
to pm_wakeup_hard_event() API as these devices are actually the only
possible way to wakeup Hyper-V guests.
Fixes: eed4d47efe95 (ACPI / sleep: Ignore spurious SCI wakeups from suspend-to-idle)
Reviewed-by: Rafael J. Wysocki <[email protected]>
Acked-by: K. Y. Srinivasan <[email protected]>
Acked-by: Jiri Kosina <[email protected]>
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
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lockdep is much more powerful enforcing the locking rules than code comments,
so let's switch to it.
Reviewed-by: Benjamin Tissoires <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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The Motorola/Zebra Symbol DS4308-HD is a handheld USB barcode scanner
which does not have a battery, but reports one anyway that always has
capacity 2.
Let's apply the IGNORE quirk to prevent it from being treated like a
power supply so that userspaces don't get confused that this
accessory is almost out of power and warn the user that they need to charge
their wired barcode scanner.
Reported here: https://bugs.chromium.org/p/chromium/issues/detail?id=804720
Signed-off-by: Benson Leung <[email protected]>
Reviewed-by: Benjamin Tissoires <[email protected]>
Signed-off-by: Benjamin Tissoires <[email protected]>
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The PixArt OEM mice are known for disconnecting every minute in
runlevel 1 or 3 if they are not always polled. So add quirk
ALWAYS_POLL for this one as well.
References:
https://www.spinics.net/lists/linux-usb/msg88965.html
http://linet.gr.jp/~kojima/PlamoWeb/ML/htdocs/201808/msg00019.html
Signed-off-by: Sebastian Parschauer <[email protected]>
CC: [email protected]
Signed-off-by: Jiri Kosina <[email protected]>
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asus_wmi_evaluate_method() is an empty dummy function when CONFIG_ASUS_WMI
is disabled, or not reachable from a built-in device driver. This leads to
a theoretical evaluation of an uninitialized variable that the compiler
complains about, failing to check that the hardcoded return value makes
this an unreachable code path:
In file included from include/linux/printk.h:336,
from include/linux/kernel.h:14,
from include/linux/list.h:9,
from include/linux/dmi.h:5,
from drivers/hid/hid-asus.c:29:
drivers/hid/hid-asus.c: In function 'asus_input_configured':
include/linux/dynamic_debug.h:135:3: error: 'value' may be used uninitialized in this function [-Werror=maybe-uninitialized]
__dynamic_dev_dbg(&descriptor, dev, fmt, \
^~~~~~~~~~~~~~~~~
drivers/hid/hid-asus.c:359:6: note: 'value' was declared here
u32 value;
^~~~~
With an extra IS_ENABLED() check, the warning goes away.
Fixes: 3b692c55e58d ("HID: asus: only support backlight when it's not driven by WMI")
Signed-off-by: Arnd Bergmann <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Pull in a merge commit that brought in 3b692c55e58d ("HID: asus: only
support backlight when it's not driven by WMI") so that fixup could be
applied on top of it.
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
- Move the Dell dcdbas and dell_rbu drivers into platform/drivers/x86
as they are closely coupled with other drivers in this location.
- Improve _init* usage for acerhdf and fix some usage issues with
messages and module parameters.
- Simplify asus-wmi by calling ACPI/WMI methods directly, eliminating
workqueue overhead, eliminate double reporting of keyboard backlight.
- Fix wake from USB failure on Bay Trail devices (intel_int0002_vgpio).
- Notify intel_telemetry users when IPC1 device is not enabled.
- Update various drivers with new laptop model IDs.
- Update several intel drivers to use SPDX identifers and order headers
alphabetically.
* tag 'platform-drivers-x86-v4.20-1' of git://git.infradead.org/linux-platform-drivers-x86: (64 commits)
HID: asus: only support backlight when it's not driven by WMI
platform/x86: asus-wmi: export function for evaluating WMI methods
platform/x86: asus-wmi: Only notify kbd LED hw_change by fn-key pressed
platform/x86: wmi: declare device_type structure as constant
platform/x86: ideapad: Add Y530-15ICH to no_hw_rfkill
platform/x86: Add Intel AtomISP2 dummy / power-management driver
platform/x86: touchscreen_dmi: Add min-x and min-y settings for various models
platform/x86: touchscreen_dmi: Add info for the Onda V80 Plus v3 tablet
platform/x86: touchscreen_dmi: Add info for the Trekstor Primetab T13B tablet
platform/x86: intel_telemetry: Get rid of custom macro
platform/x86: intel_telemetry: report debugfs failure
MAINTAINERS: intel_telemetry: Update maintainers info
platform/x86: Add LG Gram laptop special features driver
platform/x86: asus-wmi: Simplify the keyboard brightness updating process
platform/x86: touchscreen_dmi: Add info for the Trekstor Primebook C11 convertible
platform/x86: mlx-platform: Properly use mlxplat_mlxcpld_msn201x_items
MAINTAINERS: intel_pmc_core: Update MAINTAINERS
firmware: dcdbas: include linux/io.h
platform/x86: intel-wmi-thunderbolt: Add dynamic debugging
platform/x86: intel-wmi-thunderbolt: Convert to use SPDX identifier
...
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The Asus GL502VSK has the same 0B05:1837 keyboard as we've seen in
several Republic of Gamers laptops.
However, in this model, the keybard backlight control exposed by hid-asus
has no effect on the keyboard backlight. Instead, the keyboard
backlight is correctly driven by asus-wmi.
With two keyboard backlight devices available (and only the acer-wmi
one working), GNOME is picking the wrong one to drive in the UI.
Avoid this problem by not creating the backlight interface when we
detect a WMI-driven keyboard backlight.
We have also tested Asus GL702VMK which does have the hid-asus
backlight present, and it still works fine with this patch (WMI method
call returns UNSUPPORTED_METHOD).
A direct "depends on ASUS_WMI" is intentionally avoided so that HID_ASUS
users who have ASUS_WMI=n will not quietly lose their HID_ASUS driver on
a kernel upgrade.
Signed-off-by: Daniel Drake <[email protected]>
Reviewed-by: Benjamin Tissoires <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>
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This device uses the SIPODEV SP1064 touchpad, which does not
supply descriptors, so it has to be added to the override list.
Reported-by: Tim Aldridge <[email protected]>
Signed-off-by: Julian Sax <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new dvb frontend driver: lnbh29
- new sensor drivers: imx319 and imx 355
- some old soc_camera driver renames to avoid conflict with new
drivers
- new i.MX Pixel Pipeline (PXP) mem-to-mem platform driver
- a new V4L2 frontend for the FWHT codec
- several other improvements, bug fixes, code cleanups, etc
* tag 'media/v4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (289 commits)
media: rename soc_camera I2C drivers
media: cec: forgot to cancel delayed work
media: vivid: Support 480p for webcam capture
media: v4l2-tpg: fix kernel oops when enabling HFLIP and OSD
media: vivid: Add 16-bit bayer to format list
media: v4l2-tpg-core: Add 16-bit bayer
media: pvrusb2: replace `printk` with `pr_*`
media: venus: vdec: fix decoded data size
media: cx231xx: fix potential sign-extension overflow on large shift
media: dt-bindings: media: rcar_vin: add device tree support for r8a7744
media: isif: fix a NULL pointer dereference bug
media: exynos4-is: make const array config_ids static
media: cx23885: make const array addr_list static
media: ivtv: make const array addr_list static
media: bttv-input: make const array addr_list static
media: cx18: Don't check for address of video_dev
media: dw9807-vcm: Fix probe error handling
media: dw9714: Remove useless error message
media: dw9714: Fix error handling in probe function
media: cec: name for RC passthrough device does not need 'RC for'
...
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Commit 1ff2e1a44e02 ("HID: input: Create a utility class for counting
scroll events") created the helper function
hid_scroll_counter_handle_scroll()
to handle high-res scroll events and also expose them as regular wheel
events.
But the resulting algorithm was unstable, and causes scrolling to be
very unreliable. When you hit the half-way mark of the highres
multiplier, small highres movements will incorrectly translate into big
traditional wheel movements, causing odd jitters.
Simplify the code and make the output stable.
NOTE! I'm pretty sure this will need further tweaking. But this at
least turns a unusable mouse wheel on my Logitech MX Anywhere 2S into
a usable one.
Cc: Jiri Kosina <[email protected]>
Cc: Harry Cutts <[email protected]>
Cc: Benjamin Tissoires <[email protected]>
Cc: Peter Hutterer <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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.. even when that "default y" is hidden syntactically as a
default !EXPERT
it's wrong.
The only reason something should be 'default y' is if it used to be
built-in, and it was made configurable, and the 'default y' is just
retaining the status quo.
Altheratively, the hardware for the driver has become _so_ common that
it really makes sense for everybody to build it. Finally, one possible
reason for 'default y' is because the option is not enabling any new
code at all, but is just enabling other options (the networking people
do this for vendor options, for example, so that you can disable whole
vendors at a time).
Clearly, none of these cases hold for the BigBen Interactive Kids'
gamepad, and HID_BIGBEN_FF should thus most definitely not default
to on for everybody.
Cc: Hanno Zulla <[email protected]>
Cc: Jiri Kosina <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Commit 9ee3e06610fd ("HID: i2c-hid: override HID descriptors for certain
devices") added a new dmi_system_id quirk table to override certain HID
report descriptors for some systems that lack them.
But the table wasn't properly terminated, causing the dmi matching to
walk off into la-la-land, and starting to treat random data as dmi
descriptor pointers, causing boot-time oopses if you were at all
unlucky.
Terminate the array.
We really should have some way to just statically check that arrays that
should be terminated by an empty entry actually are so. But the HID
people really should have caught this themselves, rather than have me
deal with an oops during the merge window. Tssk, tssk.
Cc: Julian Sax <[email protected]>
Cc: Benjamin Tissoires <[email protected]>
Cc: Jiri Kosina <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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If userspace only reads the trackstick node, and no one is listening to
the touchpad nor the hidraw node then, the device is not powered on.
Add open/close callbacks to allow users to disable the touchpad in Gnome
while keeping the trackstick active.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1559632
Link: https://gitlab.gnome.org/GNOME/mutter/issues/128
Signed-off-by: Benjamin Tissoires <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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This reverts commit 67ddbb3e6568fb1820b2cc45b00c50702b114801.
67ddbb3e656 ("HID: add NOGET quirk for Eaton Ellipse MAX UPS") was reported
by Laurent Bigonville. It turns out that a later model Laurent got
doesn't need the quirk after all.
My take is that Eaton upgraded their firmwares, so we don't need it
anymore.
The old model was from 2012, so better make sure the new line works
properly by removing the quirk. This allows upower to actually fetch
the current data.
Reported-by: Laurent Bigonville <[email protected]>
Signed-off-by: Benjamin Tissoires <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Raydium touchpanel (2386:4B33) sometimes does not work in desktop session
although it works in display manager.
During user logging, the display manager exits, close the HID device,
then the device gets runtime suspended and powered off. The desktop
session begins shortly after, opens the HID device, then the device gets
runtime resumed and powered on.
If the trasition from display manager to desktop sesesion is fast, the
touchpanel cannot switch from powered off to powered on in short
timeframe. So add a small delay to workaround the issue.
Signed-off-by: Kai-Heng Feng <[email protected]>
Reviewed-by: Benjamin Tissoires <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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uref->usage_index can be indirectly controlled by userspace, hence leading
to a potential exploitation of the Spectre variant 1 vulnerability.
This field is used as an array index by the hiddev_ioctl_usage() function,
when 'cmd' is either HIDIOCGCOLLECTIONINDEX, HIDIOCGUSAGES or
HIDIOCSUSAGES.
For cmd == HIDIOCGCOLLECTIONINDEX case, uref->usage_index is compared to
field->maxusage and then used as an index to dereference field->usage
array. The same thing happens to the cmd == HIDIOC{G,S}USAGES cases, where
uref->usage_index is checked against an array maximum value and then it is
used as an index in an array.
This is a summary of the HIDIOCGCOLLECTIONINDEX case, which matches the
traditional Spectre V1 first load:
copy_from_user(uref, user_arg, sizeof(*uref))
if (uref->usage_index >= field->maxusage)
goto inval;
i = field->usage[uref->usage_index].collection_index;
return i;
This patch fixes this by sanitizing field uref->usage_index before using it
to index field->usage (HIDIOCGCOLLECTIONINDEX) or field->value in
HIDIOC{G,S}USAGES arrays, thus, avoiding speculation in the first load.
Cc: <[email protected]>
Signed-off-by: Breno Leitao <[email protected]>
--
v2: Contemplate cmd == HIDIOC{G,S}USAGES case
Signed-off-by: Jiri Kosina <[email protected]>
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hid-multitouch driver cleanup
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Rumble support for Xbox One S
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High-resolution support for hid-logitech
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- general cleanups of hid-i2c driver
- SPIODEV device descriptor fixes
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Whisker device specific fixes to hid-google driver
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Functional fixes for hid-cougar driver
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Fixes and new features for driver core. Highlights:
- maximum global item tag report size gets increased to 256
- improved INPUT_PROP reporting for Digitizer devices
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Driver for BigBen Interactive PS3OFMINIPAD
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Support for Apple Magic Trackpad 2
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Redragon Seymur 2 stops working since commit 190d7f02ce8e ("HID: input:
do not increment usages when a duplicate is found").
Use quirk HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE suggested by the commit
can solve the issue.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=200995
BugLink: https://bugs.launchpad.net/bugs/1793846
Signed-off-by: Kai-Heng Feng <[email protected]>
Reviewed-by: Benjamin Tissoires <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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The DTK-2451 and DTH-2452 have a buggy HID descriptor which incorrectly
contains a Cintiq-like report, complete with pen tilt, rotation, twist, serial
number, etc. The hardware doesn't actually support this data but our driver
duitifully sets up the device as though it does. To ensure userspace has a
correct view of devices without updated firmware, we clean up this incorrect
data in wacom_setup_device_quirks.
We're also careful to clear the WACOM_QUIRK_TOOLSERIAL flag since its presence
causes the driver to wait for serial number information (via
wacom_wac_pen_serial_enforce) that never comes, resulting in
the pen being non-responsive.
Signed-off-by: Jason Gerecke <[email protected]>
Fixes: 8341720642 ("HID: wacom: Queue events with missing type/serial data for later processing")
Cc: [email protected] # v4.16+
Signed-off-by: Jiri Kosina <[email protected]>
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Whiskers tablet mode support needs access to Chrome Embedded Controller,
so we need to add dependency on MFD_CROS_EC.
Reported-by: kbuild test robot <[email protected]>
Fixes: eb1aac4c8744 ("HID: google: add support tablet mode switch for Whiskers")
Signed-off-by: Dmitry Torokhov <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Trivial fix to spelling mistake in hid_err error message
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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SIMPLE_DEV_PM_OPS() already implies const for the type; drop the
extra modifier.
Fixes: eb1aac4c8744f75460c34d71b0c73bebf3e8ee5c ("HID: google: add support tablet mode switch for Whiskers")
Signed-off-by: Jiri Kosina <[email protected]>
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Whiskers is a foldable base, and thus requires combining "base presence"
signal coming from EC with base state signal (folded/unfolded) coming
from USB/HID interface to produce proper SW_TABLET_MODE event.
Signed-off-by: Nicolas Boichat <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
Reviewed-by: Benjamin Tissoires <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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This can be done with c99 initializers, which makes the code cleaner
and more transparent. It does require gcc 4.6, because of this bug
in earlier versions:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10676
Since commit cafa0010cd51 ("Raise the minimum required gcc version to
4.6"), this is the case.
Signed-off-by: Sean Young <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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USB device
Vendor 05ac (Apple)
Device 0265 (Magic Trackpad 2)
Bluetooth device
Vendor 004c (Apple)
Device 0265 (Magic Trackpad 2)
Add support for Apple Magic Trackpad 2 over USB and bluetooth, putting
the device in multi-touch mode.
Signed-off-by: Claudio Mettler <[email protected]>
Signed-off-by: Marek Wyborski <[email protected]>
Signed-off-by: Sean O'Brien <[email protected]>
Reviewed-by: Benjamin Tissoires <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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A particular touchpad (SIPODEV SP1064) refuses to supply the HID
descriptors. This patch provides the framework for overriding these
descriptors based on DMI data. It also includes the descriptors for
said touchpad, which were extracted by listening to the traffic of the
windows filter driver, as well as the DMI data for the laptops known
to use this device.
Relevant Bug: https://bugzilla.redhat.com/show_bug.cgi?id=1526312
Cc: Hans de Goede <[email protected]>
Reported-and-tested-by: [email protected]
Reported-and-tested-by: Bruno Jesus <[email protected]>
Reported-and-tested-by: Dietrich <[email protected]>
Reported-and-tested-by: [email protected]
Signed-off-by: Julian Sax <[email protected]>
Reviewed-by: Benjamin Tissoires <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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This is a driver to fix input mapping and add LED & force feedback
support for the "BigBen Interactive Kid-friendly Wired Controller
PS3OFMINIPAD SONY" gamepad with USB id 146b:0902. It was originally
sold as a PS3 accessory and makes a very nice gamepad for Retropie.
Signed-off-by: Hanno Zulla <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Added PCI ID for Ice Lake mobile platform.
Signed-off-by: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Fix the following compile warning:
drivers/hid/hid-logitech-hidpp.c: In function 'hi_res_scroll_enable':
drivers/hid/hid-logitech-hidpp.c:2714:54: warning: 'multiplier' may be used uninitialized in this function [-Wmaybe-uninitialized]
hidpp->vertical_wheel_counter.resolution_multiplier = multiplier;
Signed-off-by: zhong jiang <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Currently wr_msg_ctl_info is used in ishtp_device just for list head
purpose, using list_head directly can save ~150 bytes size for
each replacement.
Also this patch can save ~170 bytes of code size in intel-ish-ipc.ko.
Signed-off-by: Hong Liu <[email protected]>
Acked-by: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Use resource-managed api to simplify error handling in probe and
driver remove logic.
With this patch, we can save ~170 bytes code size in intel-ish-ipc.ko.
before:
text data bss dec hex filename
11495 1568 72 13135 334f intel-ish-ipc.ko
after:
text data bss dec hex filename
11327 1568 72 12967 32a7 intel-ish-ipc.ko
Signed-off-by: Hong Liu <[email protected]>
Acked-by: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Added two APIs:
- ishtp_cl_get_tx_free_buffer_size:
This returns total size available for a client to queue TX data.
- ishtp_cl_get_tx_free_rings:
This returns total number of TX rings available for a client.
Signed-off-by: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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ishtp exposed helper ishtp_fw_cl_get_client() function for client
information searching, so switch to use it.
Signed-off-by: Even Xu <[email protected]>
Reviewed-by: Andriy Shevchenko <[email protected]>
Acked-by: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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