| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the large set of driver core changes for 6.3-rc1.
There's a lot of changes this development cycle, most of the work
falls into two different categories:
- fw_devlink fixes and updates. This has gone through numerous review
cycles and lots of review and testing by lots of different devices.
Hopefully all should be good now, and Saravana will be keeping a
watch for any potential regression on odd embedded systems.
- driver core changes to work to make struct bus_type able to be
moved into read-only memory (i.e. const) The recent work with Rust
has pointed out a number of areas in the driver core where we are
passing around and working with structures that really do not have
to be dynamic at all, and they should be able to be read-only
making things safer overall. This is the contuation of that work
(started last release with kobject changes) in moving struct
bus_type to be constant. We didn't quite make it for this release,
but the remaining patches will be finished up for the release after
this one, but the groundwork has been laid for this effort.
Other than that we have in here:
- debugfs memory leak fixes in some subsystems
- error path cleanups and fixes for some never-able-to-be-hit
codepaths.
- cacheinfo rework and fixes
- Other tiny fixes, full details are in the shortlog
All of these have been in linux-next for a while with no reported
problems"
[ Geert Uytterhoeven points out that that last sentence isn't true, and
that there's a pending report that has a fix that is queued up - Linus ]
* tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (124 commits)
debugfs: drop inline constant formatting for ERR_PTR(-ERROR)
OPP: fix error checking in opp_migrate_dentry()
debugfs: update comment of debugfs_rename()
i3c: fix device.h kernel-doc warnings
dma-mapping: no need to pass a bus_type into get_arch_dma_ops()
driver core: class: move EXPORT_SYMBOL_GPL() lines to the correct place
Revert "driver core: add error handling for devtmpfs_create_node()"
Revert "devtmpfs: add debug info to handle()"
Revert "devtmpfs: remove return value of devtmpfs_delete_node()"
driver core: cpu: don't hand-override the uevent bus_type callback.
devtmpfs: remove return value of devtmpfs_delete_node()
devtmpfs: add debug info to handle()
driver core: add error handling for devtmpfs_create_node()
driver core: bus: update my copyright notice
driver core: bus: add bus_get_dev_root() function
driver core: bus: constify bus_unregister()
driver core: bus: constify some internal functions
driver core: bus: constify bus_get_kset()
driver core: bus: constify bus_register/unregister_notifier()
driver core: remove private pointer from struct bus_type
...
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The uevent() callback in struct bus_type should not be modifying the
device that is passed into it, so mark it as a const * and propagate the
function signature changes out into all relevant subsystems that use
this callback.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230111113018.459199-16-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Benjamin Tissoires:
- HID-BPF infrastructure: this allows to start using HID-BPF. Note that
the mechanism to ship HID-BPF program through the kernel tree is
still not implemented yet (but is planned).
This should be a no-op for 99% of users. Also we are gaining
kselftests for the HID tree (Benjamin Tissoires)
- Some UAF fixes in workers when using uhid (Pietro Borrello & Benjamin
Tissoires)
- Constify hid_ll_driver (Thomas Weißschuh)
- Allow more custom IIO sensors through HID (Philipp Jungkamp)
- Logitech HID++ fixes for scroll wheel, protocol and debug (Bastien
Nocera)
- Some new device support: Steam Deck (Vicki Pfau), UClogic (José
Expósito), Logitech G923 Xbox Edition steering wheel (Walt Holman),
EVision keyboards (Philippe Valembois)
- other assorted code cleanups and fixes
* tag 'for-linus-2023022201' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (99 commits)
HID: mcp-2221: prevent UAF in delayed work
hid: bigben_probe(): validate report count
HID: asus: use spinlock to safely schedule workers
HID: asus: use spinlock to protect concurrent accesses
HID: bigben: use spinlock to safely schedule workers
HID: bigben_worker() remove unneeded check on report_field
HID: bigben: use spinlock to protect concurrent accesses
HID: logitech-hidpp: Add myself to authors
HID: logitech-hidpp: Retry commands when device is busy
HID: logitech-hidpp: Add more debug statements
HID: Add support for Logitech G923 Xbox Edition steering wheel
HID: logitech-hidpp: Add Signature M650
HID: logitech-hidpp: Remove HIDPP_QUIRK_NO_HIDINPUT quirk
HID: logitech-hidpp: Don't restart communication if not necessary
HID: logitech-hidpp: Add constants for HID++ 2.0 error codes
Revert "HID: logitech-hidpp: add a module parameter to keep firmware gestures"
HID: logitech-hidpp: Hard-code HID++ 1.0 fast scroll support
HID: i2c-hid: goodix: Add mainboard-vddio-supply
dt-bindings: HID: i2c-hid: goodix: Add mainboard-vddio-supply
HID: i2c-hid: goodix: Stop tying the reset line to the regulator
...
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Initial support of HID-BPF (Benjamin Tissoires)
The history is a little long for this series, as it was intended to be
sent for v6.2. However some last minute issues forced us to postpone it
to v6.3.
Conflicts:
* drivers/hid/i2c-hid/Kconfig:
commit bf7660dab30d ("HID: stop drivers from selecting CONFIG_HID")
conflicts with commit 2afac81dd165 ("HID: fix I2C_HID not selected
when I2C_HID_OF_ELAN is")
the resolution is simple enough: just drop the "default" and "select"
lines as the new commit from Arnd is doing
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Given that our initial BPF program is not using any kfuncs anymore,
we can reorder the initialization to first try to load it and then
register the kfuncs. This has the advantage of not exporting kfuncs
when HID-BPF is not working.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We don't need to watch for calls on bpf_prog_put_deferred(), so remove
that from the entrypoints.bpf.c file.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Previously, HID-BPF was relying on a bpf tracing program to be notified
when a program was released from userspace. This is error prone, as
LLVM sometimes inline the function and sometimes not.
So instead of messing up with the bpf prog ref count, we can use the
bpf_link concept which actually matches exactly what we want:
- a bpf_link represents the fact that a given program is attached to a
given HID device
- as long as the bpf_link has fd opened (either by the userspace program
still being around or by pinning the bpf object in the bpffs), the
program stays attached to the HID device
- once every user has closed the fd, we get called by
hid_bpf_link_release() that we no longer have any users, and we can
disconnect the program to the device in 2 passes: first atomically clear
the bit saying that the link is active, and then calling release_work in
a scheduled work item.
This solves entirely the problems of BPF tracing not showing up and is
definitely cleaner.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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There is a mix of drivers using either 'depends on HID' or 'select HID',
which causes both circular dependencies and missed dependencies for
a 'select':
WARNING: unment direct dependencies for HID
Depends on [m]: HID_SUPPORT [=y] && INPUT [=m]
Selected by [y]:
- AMD_SFH_HID [=y] && HID_SUPPORT [=y] && (X86_64 || COMPILE_TEST [=y]) && PCI [=y]
Selected by [m]:
- I2C_HID_CORE [=m] && HID_SUPPORT [=y]
WARNING: unmet direct dependencies detected for INPUT_FF_MEMLESS
Depends on [m]: INPUT [=m]
Selected by [y]:
- DRAGONRISE_FF [=y] && HID_SUPPORT [=y] && HID [=y] && HID_DRAGONRISE [=y]
- HID_MICROSOFT [=y] && HID_SUPPORT [=y] && HID [=y]
- GREENASIA_FF [=y] && HID_SUPPORT [=y] && HID [=y] && HID_GREENASIA [=y]
Selected by [m]:
- INPUT_ARIZONA_HAPTICS [=m] && INPUT [=m] && INPUT_MISC [=y] && MFD_ARIZONA [=y] && SND_SOC [=m]
- INPUT_PM8XXX_VIBRATOR [=m] && INPUT [=m] && INPUT_MISC [=y] && (MFD_PM8XXX [=m] || MFD_SPMI_PMIC [=n])
- INPUT_MAX8997_HAPTIC [=m] && INPUT [=m] && INPUT_MISC [=y] && PWM [=y] && MFD_MAX8997 [=y]
- INPUT_GPIO_VIBRA [=m] && INPUT [=m] && INPUT_MISC [=y] && (GPIOLIB [=y] || COMPILE_TEST [=y])
- INPUT_REGULATOR_HAPTIC [=m] && INPUT [=m] && INPUT_MISC [=y] && REGULATOR [=y]
- INPUT_TWL6040_VIBRA [=m] && INPUT [=m] && INPUT_MISC [=y] && TWL6040_CORE [=y]
- INPUT_PWM_VIBRA [=m] && INPUT [=m] && INPUT_MISC [=y] && PWM [=y]
- INPUT_DRV260X_HAPTICS [=m] && INPUT_MISC [=y] && INPUT [=m] && I2C [=y] && (GPIOLIB [=y] || COMPILE_TEST [=y])
- INPUT_DRV2665_HAPTICS [=m] && INPUT_MISC [=y] && INPUT [=m] && I2C [=y]
- INPUT_DRV2667_HAPTICS [=m] && INPUT_MISC [=y] && INPUT [=m] && I2C [=y]
- INPUT_SC27XX_VIBRA [=m] && INPUT [=m] && INPUT_MISC [=y] && (MFD_SC27XX_PMIC [=y] || COMPILE_TEST [=y])
- HID_MAYFLASH [=m] && HID_SUPPORT [=y] && HID [=y]
Avoid this by changing all HID client drivers to use 'depends on HID'.
For I2C_HID, this requires a larger rework of the Kconfig description,
but it hopefully becomes easier to understand without the complex
I2C_HID_CORE definition.
Fixes: 25621bcc8976 ("HID: Kconfig: split HID support and hid-core compilation")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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As mentioned in the link below, having JIT and BPF is not enough to
have fentry/fexit/fmod_ret APIs. This resolves the error that
happens on a system without tracing enabled when hid-bpf tries to
load itself.
Link: https://lore.kernel.org/r/CABRcYmKyRchQhabi1Vd9RcMQFCcb=EtWyEbFDFRTc-L-U8WhgA@mail.gmail.com
Fixes: f5c27da4e3c8 ("HID: initial BPF implementation")
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Florent Revest <revest@chromium.org>
Reviewed-by: Jiri Kosina <jkosina@suse.cz>
Link: https://lore.kernel.org/r/20221206145936.922196-4-benjamin.tissoires@redhat.com
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Now that we have aproper non debug API to declare which function is
fmodret, we can rely on it.
Link: https://lore.kernel.org/all/20221121104403.1545f9b5@gandalf.local.home/
Suggested-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20221206145936.922196-3-benjamin.tissoires@redhat.com
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In most configurations, INPUT is actually a boolean: either y or disabled,
but when it's disabled, you can't do much on your average laptop.
But it turns out that there is a possibility to have INPUT as a module:
you have to disable VT and TTY (of course), but also enable EXPERT.
I'll leave how to disable VT and TTY as an exercise for the bravest.
Anyway, if INPUT is m, we can still configure HID as y, which is not
correct because hid-input.c depends on the input API, meaning that
vmlinuz can not link.
So: add depends on INPUT too at the HID level, to ensure that if INPUT=m,
HID can only be m or disabled.
Fixes: 25621bcc8976 ("HID: Kconfig: split HID support and hid-core compilation")
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/202211181742.QYJY6Gug-lkp@intel.com
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add a new tracepoint hid_bpf_rdesc_fixup() so we can trigger a
report descriptor fixup in the bpf world.
Whenever the program gets attached/detached, the device is reconnected
meaning that userspace will see it disappearing and reappearing with
the new report descriptor.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This function can not be called under IRQ, thus it is only available
while in SEC("syscall").
For consistency, this function requires a HID-BPF context to work with,
and so we also provide a helper to create one based on the HID unique
ID.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
--
changes in v12:
- variable dereferenced before check 'ctx'
|Reported-by: kernel test robot <lkp@intel.com>
|Reported-by: Dan Carpenter <error27@gmail.com>
no changes in v11
no changes in v10
changes in v9:
- fixed kfunc declaration aaccording to latest upstream changes
no changes in v8
changes in v7:
- hid_bpf_allocate_context: remove unused variable
- ensures buf is not NULL
changes in v6:
- rename parameter size into buf__sz to teach the verifier about
the actual buffer size used by the call
- remove the allocated data in the user created context, it's not used
new-ish in v5
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We need to also be able to change the size of the report.
Reducing it is easy, because we already have the incoming buffer that is
big enough, but extending it is harder.
Pre-allocate a buffer that is big enough to handle all reports of the
device, and use that as the primary buffer for BPF programs.
To be able to change the size of the buffer, we change the device_event
API and request it to return the size of the buffer.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Kind of a hack, but works for now:
Instead of listening for any close of eBPF program, we now
decrement the refcount when we insert it in our internal
map of fd progs.
This is safe to do because:
- we listen to any call of destructor of programs
- when a program is being destroyed, we disable it by removing
it from any RCU list used by any HID device (so it will never
be called)
- we then trigger a job to cleanup the prog fd map, but we overwrite
the removal of the elements to not do anything on the programs, just
remove the allocated space
This is better than previously because we can remove the map of known
programs and their usage count. We now rely on the refcount of
bpf, which has greater chances of being accurate.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Declare an entry point that can use fmod_ret BPF programs, and
also an API to access and change the incoming data.
A simpler implementation would consist in just calling
hid_bpf_device_event() for any incoming event and let users deal
with the fact that they will be called for any event of any device.
The goal of HID-BPF is to partially replace drivers, so this situation
can be problematic because we might have programs which will step on
each other toes.
For that, we add a new API hid_bpf_attach_prog() that can be called
from a syscall and we manually deal with a jump table in hid-bpf.
Whenever we add a program to the jump table (in other words, when we
attach a program to a HID device), we keep the number of time we added
this program in the jump table so we can release it whenever there are
no other users.
HID devices have an RCU protected list of available programs in the
jump table, and those programs are called one after the other thanks
to bpf_tail_call().
To achieve the detection of users losing their fds on the programs we
attached, we add 2 tracing facilities on bpf_prog_release() (for when
a fd is closed) and bpf_free_inode() (for when a pinned program gets
unpinned).
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Currently, we step into drivers/hid/ based on the value of
CONFIG_HID.
However, that value is a tristate, meaning that it can be a module.
As per the documentation, if we jump into the subdirectory by
following an obj-m, we can not compile anything inside that
subdirectory in vmlinux. It is considered as a bug.
To make things more friendly to HID-BPF, split HID (the HID core
parameter) from HID_SUPPORT (do we want any kind of HID support in the
system?), and make this new config a boolean.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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UClogic assorted fixes and new devices support (José Expósito)
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Commit b8a926bea8b1 ("kunit: Introduce KUNIT_EXPECT_MEMEQ and
KUNIT_EXPECT_MEMNEQ macros") introduced a new macro to compare blocks of
memory and, if the test fails, print the result in a human friendly
format. For example, this is the output of a test failure:
Expected res == params->expected, but
res ==
01 02 aa 00 00 00 03 bb 00 <00> 00 04 05
params->expected ==
01 02 aa 00 00 00 03 bb 00 <01> 00 04 05
Use this new macro to replace KUNIT_EXPECT_EQ + memcmp.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Reviewed-by: Maíra Canal <mairacanal@riseup.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The XP-PEN Deco Pro MW is a UGEE v2 device with a frame with 8 buttons,
a bitmap dial and a mouse. Its pen has 2 buttons, supports tilt and
pressure.
It can be connected using a USB cable or, to use it in wireless mode,
using a USB Bluetooth dongle. When it is connected in wireless mode the
device battery is used to power it.
All the pieces to support it are already in place. Add its ID and
quirks in order to support the device.
Link: https://github.com/DIGImend/digimend-kernel-drivers/issues/622
Tested-by: Andreas Grosse <andig.mail@t-online.de>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The XP-PEN Deco Pro SW is a UGEE v2 device with a frame with 8 buttons,
a bitmap dial and a mouse; however, the UCLOGIC_MOUSE_FRAME_QUIRK is
required because it reports an incorrect frame type. Its pen has 2
buttons, supports tilt and pressure.
It can be connected using a USB cable or, to use it in wireless mode,
using a USB Bluetooth dongle. When it is connected in wireless mode the
device battery is used to power it.
All the pieces to support it are already in place. Add its ID and
quirks in order to support the device.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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UGEEv2 tablets with battery can be connected using a USB cable or a USB
Bluetooth dongle.
When the Bluetooth dongle is used, the connection to that tablet can be
lost because the tablet is out of the range of the receiver or because
it was switched off using the switch placed in the back of the tablet's
frame.
After losing connection, the tablet is able to reconnect automatically
and its firmware sends a special packet indicating that the device was
reconnected. In response to this packet, the tablet needs to receive the
same array of magic data it expects on probe to enable its interfaces.
This patch implements a generic mechanism to hook raw events and
schedule a work to perform any custom action.
Tested-by: Mia Kanashi <chad@redpilled.dev>
Tested-by: Andreas Grosse <andig.mail@t-online.de>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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A fututure patch will need to use the array of magic data that the
UGEEv2 devices expect on probe and the endpoint number. Move them to a
common place.
Refactor, no functional changes.
Tested-by: Mia Kanashi <chad@redpilled.dev>
Tested-by: Andreas Grosse <andig.mail@t-online.de>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Some UGEE v2 tablets have a wireless version with an internal battery
and their firmware is able to report their battery level.
However, there was not found a field on their descriptor indicating
whether the tablet has battery or not, making it mandatory to classify
such devices through the UCLOGIC_BATTERY_QUIRK quirk.
Tested-by: Mia Kanashi <chad@redpilled.dev>
Tested-by: Andreas Grosse <andig.mail@t-online.de>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The report descriptor used to get information about UGEE v2 devices is
incorrect in the XP-PEN Deco Pro SW. It indicates that the device frame
is of type UCLOGIC_PARAMS_FRAME_BUTTONS but the device has a frame of
type UCLOGIC_PARAMS_FRAME_MOUSE.
Here is the original report descriptor:
0x0e 0x03 0xc8 0xb3 0x34 0x65 0x08 0x00 0xff 0x1f 0xd8 0x13 0x00 0x00
^ This byte should be 2
Add a quirk to be able to fix the reported frame type.
Tested-by: Mia Kanashi <chad@redpilled.dev>
Tested-by: Andreas Grosse <andig.mail@t-online.de>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add Steam Deck support (Vicki Pfau)
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The Steam Deck includes a new report that allows for emulating XInput-style
rumble motors with the Deck's actuators. This adds support for passing these
values directly to the Deck.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20230126030126.895670-3-vi@endrift.com
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Add preliminary support for the Steam Deck's controller interface. Currently,
this only supports the controller inputs and toggling lizard mode (Valve's name
for a hardware kb/m emulation mode). It does not support any of the advanced
features, such as the motion sensors or force-feedback.
The Steam Deck also includes a heartbeat for lizard mode that switches it back
on if no reports have been received within a few milliseconds. The official
Steam client handles this by sending a handful of configuration reports every
few ms, so we copy this behavior by sending configuration reports to disable
the mouse and reset the digital mappings every 5ms. As this isn't needed for
the older Steam Controller, this is only done on the Steam Deck.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20230126030126.895670-2-vi@endrift.com
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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- enforce DS4 controllers to use hid-playstation (Roderick Colenbrander)
- various hid-playstation gyro fixes (Roderick Colenbrander)
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The bias for the gyroscope is not used correctly. The sensor bias
needs to be used in calculation of the 'sensivity' instead of being
an offset.
In practice this has little input on the values as the bias values
tends to be small (+/- 20).
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The bias for the gyroscope is not used correctly. The sensor bias
needs to be used in calculation of the 'sensivity' instead of being
an offset.
In practice this has little input on the values as the bias values
tends to be small (+/- 20).
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Reported-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Now that hid-playstation provides DualShock4 support, remove
DualShock4 support from hid-sony as it is redundant.
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Allow to pass quirks from i2c-hid to hid-multitouch (Allen Ballway &
Dmitry Torokhov)
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In certain circumstances, such as when creating I2C-connected HID
devices, we want to pass and retain some quirks (axis inversion, etc).
The source of such quirks may be device tree, or DMI data, or something
else not readily available to the HID core itself and therefore cannot
be reconstructed easily. To allow this, introduce "initial_quirks" field
in hid_device structure and use it when determining the final set of
quirks.
This fixes the problem with i2c-hid setting up device-tree sourced
quirks too late and losing them on device rebind, and also allows to
sever the tie between hid-code and i2c-hid when applying DMI-based
quirks.
Fixes: b60d3c803d76 ("HID: i2c-hid-of: Expose the touchscreen-inverted properties")
Fixes: a2f416bf062a ("HID: multitouch: Add quirks for flipped axes")
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Tested-by: Allen Ballway <ballway@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Alistair Francis <alistair@alistair23.me>
Link: https://lore.kernel.org/r/Y+LYwu3Zs13hdVDy@google.com
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Certain touchscreen devices, such as the ELAN9034, are oriented
incorrectly and report touches on opposite points on the X and Y axes.
For example, a 100x200 screen touched at (10,20) would report (90, 180)
and vice versa.
This is fixed by adding device quirks to transform the touch points
into the correct spaces, from X -> MAX(X) - X, and Y -> MAX(Y) - Y.
Signed-off-by: Allen Ballway <ballway@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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prevent UAF in delayed work (Benjamin Tissoires)
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If the device is plugged/unplugged without giving time for mcp_init_work()
to complete, we might kick in the devm free code path and thus have
unavailable struct mcp_2221 while in delayed work.
Canceling the delayed_work item is enough to solve the issue, because
cancel_delayed_work_sync will prevent the work item to requeue itself.
Fixes: 960f9df7c620 ("HID: mcp2221: add ADC/DAC support via iio subsystem")
CC: stable@vger.kernel.org
Acked-by: Jiri Kosina <jkosina@suse.cz>
Link: https://lore.kernel.org/r/20230215-wip-mcp2221-v2-1-109f71fd036e@redhat.com
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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- HID++ fixes for scroll wheel, protocol and debug (Bastien Nocera)
- add support of Logitech G923 Xbox Edition steering wheel (Walt Holman)
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As discussed with HID maintainer Benjamin Tissoires, add myself to the
authors list and MAINTAINERS file.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20230209154916.462158-2-hadess@hadess.net
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Handle the busy error coming from the device or receiver. The
documentation says a busy error can be returned when:
"
Device (or receiver) cannot answer immediately to this request
for any reason i.e:
- already processing a request from the same or another SW
- pipe full
"
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20230209154916.462158-1-hadess@hadess.net
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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This should help us figure out some hairy problems with some devices.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20230206221256.129198-1-hadess@hadess.net
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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We get the same level of features as the regular G920.
Signed-off-by: Walt Holman <waltholman09@gmail.com>
Link: https://lore.kernel.org/r/20230207195051.16373-1-waltholman09@gmail.com
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Add support for HID++ over Bluetooth for the Logitech Signature
M650 mouse. It comes with a dongle but can also be used over Bluetooth
without one.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20220404100311.3304-1-hadess@hadess.net
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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HIDPP_QUIRK_NO_HIDINPUT isn't used by any devices but still happens to
work as HIDPP_QUIRK_DELAYED_INIT is defined to the same value. Remove
HIDPP_QUIRK_NO_HIDINPUT and use HIDPP_QUIRK_DELAYED_INIT everywhere
instead.
Tested on a T650 which requires that quirk, and a number of unifying and
Bluetooth devices that don't.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20230125121723.3122-2-hadess@hadess.net
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Don't stop and restart communication with the device unless we need to
modify the connect flags used because of a device quirk.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20230125121723.3122-1-hadess@hadess.net
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Add constants for HID++ 2.0 error codes listed in "Protocol HID++2.0
essential features" chapter, page 3, in
logitech_hidpp_2.0_specification_draft_2012-06-04.pdf
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20221207100033.64095-1-hadess@hadess.net
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Now that we're in 2022, and the majority of desktop environments can and
should support touchpad gestures through libinput, remove the legacy
module parameter that made it possible to use gestures implemented in
firmware.
This will eventually allow simplifying the driver's initialisation code.
This reverts commit 9188dbaed68a4b23dc96eba165265c08caa7dc2a.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20221220154345.474596-1-hadess@hadess.net
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HID++ 1.0 devices only export whether Fast Scrolling is enabled, not
whether they are capable of it. Reinstate the original quirks for the 3
supported mice so fast scrolling works again on those devices.
Fixes: 908d325e1665 ("HID: logitech-hidpp: Detect hi-res scrolling support")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216903
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20230116130937.391441-1-hadess@hadess.net
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- dev_dbg cleanup (Thomas Weißschuh)
- cleanup i2c-hid-acpi (Andy Shevchenko)
- goodix: revert/fixes for an actual production device compared to the
manufacturer sample (Douglas Anderson)
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