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Description for hdev, work and battery_timer of struct magicmouse_sc were
missing. Fix that.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312261056.AmFPDIL5-lkp@intel.com/
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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After the commit 666cf30a589a ("HID: sensor-hub: Allow multi-function
sensor devices") hub devices are claimed by hidraw driver in hid_connect().
This causes stoppping of processing HID reports by hid core due to
optimization.
In such case, the hid-sensor-custom driver cannot match a known custom
sensor in hid_sensor_custom_get_known() because it try to check custom
properties which weren't filled from the report because hid core didn't
parsed it.
As result, custom sensors like hinge angle sensor and LISS sensors
don't work.
Mark the sensor hub devices claimed by some driver to avoid hidraw-related
optimizations.
Fixes: 666cf30a589a ("HID: sensor-hub: Allow multi-function sensor devices")
Cc: stable@vger.kernel.org
Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Tested-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20231219231503.1506801-1-jekhor@gmail.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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There appear to be a few different ways that Wacom devices can deal with
confidence:
1. If the device looses confidence in a touch, it will first clear
the tipswitch flag in one report, and then clear the confidence
flag in a second report. This behavior is used by e.g. DTH-2452.
2. If the device looses confidence in a touch, it will clear both
the tipswitch and confidence flags within the same report. This
behavior is used by some AES devices.
3. If the device looses confidence in a touch, it will clear *only*
the confidence bit. The tipswitch bit will remain set so long as
the touch is tracked. This behavior may be used in future devices.
The driver does not currently handle situation 3 properly. Touches that
loose confidence will remain "in prox" and essentially frozen in place
until the tipswitch bit is finally cleared. Not only does this result
in userspace seeing a stuck touch, but it also prevents pen arbitration
from working properly (the pen won't send events until all touches are
up, but we don't currently process events from non-confident touches).
This commit centralizes the checking of the confidence bit in the
wacom_wac_finger_slot() function and has 'prox' depend on it. In the
case where situation 3 is encountered, the treat the touch as though
it was removed, allowing both userspace and the pen arbitration to
act normally.
Signed-off-by: Tatsunosuke Tobita <tatsunosuke.tobita@wacom.com>
Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Fixes: 7fb0413baa7f ("HID: wacom: Use "Confidence" flag to prevent reporting invalid contacts")
Cc: stable@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- fix for division by zero in Nintendo driver when generic joycon is
attached, reported and fixed by SteamOS folks (Guilherme G. Piccoli)
- GCC-7 build fix (which is a good cleanup anyway) for Nintendo driver
(Ryan McClelland)
* tag 'hid-for-linus-2023121901' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: nintendo: Prevent divide-by-zero on code
HID: nintendo: fix initializer element is not constant error
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It was reported [0] that adding a generic joycon to the system caused
a kernel crash on Steam Deck, with the below panic spew:
divide error: 0000 [#1] PREEMPT SMP NOPTI
[...]
Hardware name: Valve Jupiter/Jupiter, BIOS F7A0119 10/24/2023
RIP: 0010:nintendo_hid_event+0x340/0xcc1 [hid_nintendo]
[...]
Call Trace:
[...]
? exc_divide_error+0x38/0x50
? nintendo_hid_event+0x340/0xcc1 [hid_nintendo]
? asm_exc_divide_error+0x1a/0x20
? nintendo_hid_event+0x307/0xcc1 [hid_nintendo]
hid_input_report+0x143/0x160
hidp_session_run+0x1ce/0x700 [hidp]
Since it's a divide-by-0 error, by tracking the code for potential
denominator issues, we've spotted 2 places in which this could happen;
so let's guard against the possibility and log in the kernel if the
condition happens. This is specially useful since some data that
fills some denominators are read from the joycon HW in some cases,
increasing the potential for flaws.
[0] https://github.com/ValveSoftware/SteamOS/issues/1070
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Tested-by: Sam Lantinga <slouken@libsdl.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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With gcc-7 builds, an error happens with the controller button values being
defined as const. Change to a define.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312141227.C2h1IzfI-lkp@intel.com/
Signed-off-by: Ryan McClelland <rymcclel@gmail.com>
Reviewed-by: Daniel J. Ogorchock <djogorchock@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- Lenovo ThinkPad TrackPoint Keyboard II firmware-specific regression
fix (Mikhail Khvainitski)
- device-specific fixes (various authors)
* tag 'hid-for-linus-2023121201' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: apple: Add "hfd.cn" and "WKB603" to the list of non-apple keyboards
HID: lenovo: Restrict detection of patched firmware only to USB cptkbd
HID: Add quirk for Labtec/ODDOR/aikeec handbrake
HID: i2c-hid: Add IDEA5002 to i2c_hid_acpi_blacklist[]
mailmap: add address mapping for Jiri Kosina
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This adds support for the nintendo switch online controllers which
include the SNES, Genesis, and N64 Controllers.
As each nso controller only implements a subset of what a pro
controller can do. Each of these 'features' were broken up in to
seperate functions which include right stick, left stick, imu, and
dpad and depending on the controller type that it is, it will call
the supported functions appropriately.
Each controller now has a struct which maps the bit within the hid
in report to a button.
The name given to the device now comes directly from the hid
device name rather than looking up a predefined string.
Signed-off-by: Ryan McClelland <rymcclel@gmail.com>
Reviewed-by: Daniel J. Ogorchock <djogorchock@gmail.com>
Tested-by: Daniel J. Ogorchock <djogorchock@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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JingZao(京造) WKB603 keyboard is a rebranded product of Jamesdonkey RS2
keyboard, identified as "hfd.cn WKB603" in wired mode, "WKB603" in bluetooth
mode. Adding them to the list of non-apple keyboards fixes function key.
Signed-off-by: Yan Jun <jerrysteve1101@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Commit 46a0a2c96f0f ("HID: lenovo: Detect quirk-free fw on cptkbd and
stop applying workaround") introduced a regression for ThinkPad
TrackPoint Keyboard II which has similar quirks to cptkbd (so it uses
the same workarounds) but slightly different so that there are
false-positives during detecting well-behaving firmware. This commit
restricts detecting well-behaving firmware to the only model which
known to have one and have stable enough quirks to not cause
false-positives.
Fixes: 46a0a2c96f0f ("HID: lenovo: Detect quirk-free fw on cptkbd and stop applying workaround")
Link: https://lore.kernel.org/linux-input/ZXRiiPsBKNasioqH@jekhomev/
Link: https://bbs.archlinux.org/viewtopic.php?pid=2135468#p2135468
Signed-off-by: Mikhail Khvainitski <me@khvoinitsky.org>
Tested-by: Yauhen Kharuzhy <jekhor@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Since PCI core and ACPI core already handles PCI PME wake and GPE wake
when the device has wakeup capability, use device_init_wakeup() to let
them do the wakeup setting work.
Also add a shutdown callback which uses pci_prepare_to_sleep() to let
PCI and ACPI set OOB wakeup for S5.
Cc: Jian Hui Lee <jianhui.lee@canonical.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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The quirks variable and the I2C_HID_QUIRK_ defines are never used /
exported outside of the i2c-hid code renumber them to start at
BIT(0) again.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Re-trying the power-on command on failure on all devices should
not be a problem, drop the I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV quirk
and simply retry power-on on all devices.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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On all i2c-hid devices seen sofar the reset-ack either works, or the hw is
somehow buggy and does not (always) ack the reset properly, yet it still
works fine.
Lower the very long reset timeout to 1 second which should be plenty
and change the reset not getting acked from an error into a warning.
This results in a bit cleaner code and avoids the need to add more
I2C_HID_QUIRK_NO_IRQ_AFTER_RESET quirks in the future.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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report-descriptor
A recent bug made me look at Microsoft's i2c-hid docs again
and I noticed the following:
"""
4. Issue a RESET (Host Initiated Reset) to the Device.
5. Retrieve report descriptor from the device.
Note: Steps 4 and 5 may be done in parallel to optimize for time on I²C.
Since report descriptors are (a) static and (b) quite long, Windows 8 may
issue a request for 5 while it is waiting for a response from the device
on 4.
"""
Which made me think that maybe on some touchpads the reset ack is delayed
till after the report descriptor is read ?
Testing a T-BAO Tbook Air 12.5 with a 0911:5288 (SIPODEV SP1064?) touchpad,
for which the I2C_HID_QUIRK_NO_IRQ_AFTER_RESET quirk was first introduced,
shows that reading the report descriptor before waiting for the reset
helps with the missing reset IRQ. Now the reset does get acked properly,
but the ack sometimes still does not happen unfortunately.
Still moving the wait for ack to after reading the report-descriptor,
is probably a good idea, both to make i2c-hid's behavior closer to
Windows as well as to speed up probing i2c-hid devices.
While at it drop the dbg_hid() for a malloc failure, malloc failures
already get logged extensively by malloc itself.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2247751
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Switch i2c_hid_parse() to goto style error handling.
This is a preparation patch for removing the need for
I2C_HID_QUIRK_NO_IRQ_AFTER_RESET by making i2c-hid behave
more like Windows.
Note this changes the descriptor read error path to propagate
the actual i2c_hid_read_register() error code (which is always
negative) instead of hardcoding a -EIO return.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Split i2c_hid_hwreset() into:
i2c_hid_start_hwreset() which sends the PWR_ON and reset commands; and
i2c_hid_finish_hwreset() which actually waits for the reset to complete.
This is a preparation patch for removing the need for
I2C_HID_QUIRK_NO_IRQ_AFTER_RESET by making i2c-hid behave
more like Windows.
No functional changes intended.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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i2c_hid_hwreset() is the only caller of i2c_hid_execute_reset(),
fold the latter into the former.
This is a preparation patch for removing the need for
I2C_HID_QUIRK_NO_IRQ_AFTER_RESET by making i2c-hid behave
more like Windows.
No functional changes intended.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Use helper functions ishtp_cl_establish_connection() and
ishtp_cl_destroy_connection() to establish and destroy connection
respectively. These functions are used during initialization, reset and
deinitialization flows.
No functional changes are expected.
Signed-off-by: Even Xu <even.xu@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Use helper functions ishtp_cl_establish_connection() and
ishtp_cl_destroy_connection() to establish and destroy connection
respectively. These functions are used during initialization, reset and
deinitialization flows.
No functional changes are expected.
Signed-off-by: Even Xu <even.xu@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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For every ishtp client driver during initialization state, the flow is:
1 - Allocate an ISHTP client instance
2 - Reserve a host id and link the client instance
3 - Search a firmware client using UUID and get related
client information
4 - Bind firmware client id to the ISHTP client instance
5 - Set the state the ISHTP client instance to CONNECTING
6 - Send connect request to firmware
7 - Register event callback for messages from the firmware
During deinitizalization state, the flow is:
9 - Set the state the ISHTP client instance to ISHTP_CL_DISCONNECTING
10 - Issue disconnect request to firmware
11 - Unlike the client instance
12 - Flush message queue
13 - Free ISHTP client instance
Step 2-7 are identical to the steps of client driver initialization
and driver reset flow, but reallocation of the RX/TX ring buffers
can be avoided in reset flow.
Also for step 9-12, they are identical to the steps of client driver
failure handling after connect request, driver reset flow and
driver removing.
So, add two helper functions to simplify client driver code.
ishtp_cl_establish_connection()
ishtp_cl_destroy_connection()
No functional changes are expected.
Signed-off-by: Even Xu <even.xu@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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This device needs ALWAYS_POLL quirk, otherwise it keeps reconnecting
indefinitely. It is a handbrake for sim racing detected as joystick.
Reported and tested by GitHub user N0th1ngM4tt3rs.
Link: https://github.com/sriemer/fix-linux-mouse issue 22
Signed-off-by: Sebastian Parschauer <s.parschauer@gmx.de>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Users have reported problems with recent Lenovo laptops that contain
an IDEA5002 I2C HID device. Reports include fans turning on and
running even at idle and spurious wakeups from suspend.
Presumably in the Windows ecosystem there is an application that
uses the HID device. Maybe that puts it into a lower power state so
it doesn't cause spurious events.
This device doesn't serve any functional purpose in Linux as nothing
interacts with it so blacklist it from being probed. This will
prevent the GPIO driver from setting up the GPIO and the spurious
interrupts and wake events will not occur.
Cc: stable@vger.kernel.org # 6.1
Reported-and-tested-by: Marcus Aram <marcus+oss@oxar.nl>
Reported-and-tested-by: Mark Herbert <mark.herbert42@gmail.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2812
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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`strncpy` is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces.
A suitable replacement is `strscpy` [2] due to the fact that it
guarantees NUL-termination on the destination buffer without
unnecessarily NUL-padding.
Furthermore, let's make sure `hid->xyz` and `ev->u.create2.xyz` are the
same size at compile time to prevent silent truncation.
With these changes, it is abundantly clear what the intent and behavior
of the code is -- We are getting a string to string copy with
NUL-termination and no truncation.
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20231003-strncpy-drivers-hid-uhid-c-v2-1-6a501402581e@google.com
Signed-off-by: Kees Cook <keescook@chromium.org>
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Even if a user does not use their AES pen for an extended period,
the battery power supply attributes continue to exist.
This results in the desktop showing battery status for a pen
that is no longer in use and which may in fact be in a different
state (e.g. the user may be charging the pen).
To avoid confusion and ensure userspace has an accurate view
of the battery state, this patch automatically removes
the power_supply after 30 minutes of inactivity.
Signed-off-by: Tatsunosuke Tobita <tatsunosuke.tobita@wacom.com>
Reviewed-by: Jason Gerecke <Jason.Gerecke@wacom.com>
Reviewed-by: Aaron Skomra <aaron.skomra@wacom.com>
Reviewed-by: Josh Dickens <joshua.dickens@wacom.com>
Link: https://lore.kernel.org/r/20231114235729.6867-1-tatsunosuke.wacom@gmail.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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The picolcd_fb driver operates on system memory. Mark the framebuffer
accordingly. Helpers operating on the framebuffer memory will test
for the presence of this flag.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: "Bruno Prémont" <bonbons@linux-vserver.org>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-input@vger.kernel.org
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Bruno Prémont <bonbons@linux-vserver.org>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Link: https://patchwork.freedesktop.org/patch/msgid/20231127131655.4020-12-tzimmermann@suse.de
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- revert of commit that caused regression to many Logitech unifying
receiver users (Jiri Kosina)
- power management fix for hid-mcp2221 (Hamish Martin)
- fix for race condition between HID core and HID debug (Charles Yi)
- a couple of assorted device-ID-specific quirks
* tag 'for-linus-2023112301' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: multitouch: Add quirk for HONOR GLO-GXXX touchpad
HID: hid-asus: reset the backlight brightness level on resume
HID: hid-asus: add const to read-only outgoing usb buffer
Revert "HID: logitech-dj: Add support for a new lightspeed receiver iteration"
HID: add ALWAYS_POLL quirk for Apple kb
HID: glorious: fix Glorious Model I HID report
HID: fix HID device resource race between HID core and debugging support
HID: apple: add Jamesdonkey and A3R to non-apple keyboards list
HID: mcp2221: Allow IO to start during probe
HID: mcp2221: Set driver data before I2C adapter add
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Honor MagicBook 13 2023 has a touchpad which do not switch to the multitouch
mode until the input mode feature is written by the host. The touchpad do
report the input mode at touchpad(3), while itself working under mouse mode. As
a workaround, it is possible to call MT_QUIRE_FORCE_GET_FEATURE to force set
feature in mt_set_input_mode for such device.
The touchpad reports as BLTP7853, which cannot retrive any useful manufacture
information on the internel by this string at present. As the serial number of
the laptop is GLO-G52, while DMI info reports the laptop serial number as
GLO-GXXX, this workaround should applied to all models which has the GLO-GXXX.
Signed-off-by: Aoba K <nexp_0x17@outlook.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Some devices managed by this driver automatically set brightness to 0
before entering a suspended state and reset it back to a default
brightness level after the resume:
this has the effect of having the kernel report wrong brightness
status after a sleep, and on some devices (like the Asus RC71L) that
brightness is the intensity of LEDs directly facing the user.
Fix the above issue by setting back brightness to the level it had
before entering a sleep state.
Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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In the function asus_kbd_set_report the parameter buf is read-only
as it gets copied in a memory portion suitable for USB transfer,
but the parameter is not marked as const: add the missing const and mark
const immutable buffers passed to that function.
Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This reverts commit 9d1bd9346241cd6963b58da7ffb7ed303285f684.
Multiple people reported misbehaving devices and reverting this commit fixes
the problem for them. As soon as the original commit author starts reacting
again, we can try to figure out why he hasn't seen the issues (mismatching
report descriptors?), but for the time being, fix for 6.7 by reverting.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218172
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218094
Cc: <stable@vger.kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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These devices disconnect if suspended without remote wakeup. They can operate
with the standard driver.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The Glorious Model I mouse has a buggy HID report descriptor for its
keyboard endpoint (used for programmable buttons). For report ID 2, there
is a mismatch between Logical Minimum and Usage Minimum in the array that
reports keycodes.
The offending portion of the descriptor: (from hid-decode)
0x95, 0x05, // Report Count (5) 30
0x75, 0x08, // Report Size (8) 32
0x15, 0x00, // Logical Minimum (0) 34
0x25, 0x65, // Logical Maximum (101) 36
0x05, 0x07, // Usage Page (Keyboard) 38
0x19, 0x01, // Usage Minimum (1) 40
0x29, 0x65, // Usage Maximum (101) 42
0x81, 0x00, // Input (Data,Arr,Abs) 44
This bug shifts all programmed keycodes up by 1. Importantly, this causes
"empty" array indexes of 0x00 to be interpreted as 0x01, ErrorRollOver.
The presence of ErrorRollOver causes the system to ignore all keypresses
from the endpoint and breaks the ability to use the programmable buttons.
Setting byte 41 to 0x00 fixes this, and causes keycodes to be interpreted
correctly.
Also, USB_VENDOR_ID_GLORIOUS is changed to USB_VENDOR_ID_SINOWEALTH,
and a new ID for Laview Technology is added. Glorious seems to be
white-labeling controller boards or mice from these vendors. There isn't a
single canonical vendor ID for Glorious products.
Signed-off-by: Brett Raye <braye@fastmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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hid_debug_events_release releases resources bound to the HID device instance.
hid_device_release releases the underlying HID device instance potentially
before hid_debug_events_release has completed releasing debug resources bound
to the same HID device instance.
Reference count to prevent the HID device instance from being torn down
preemptively when HID debugging support is used. When count reaches zero,
release core resources of HID device instance using hiddev_free.
The crash:
[ 120.728477][ T4396] kernel BUG at lib/list_debug.c:53!
[ 120.728505][ T4396] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[ 120.739806][ T4396] Modules linked in: bcmdhd dhd_static_buf 8822cu pcie_mhi r8168
[ 120.747386][ T4396] CPU: 1 PID: 4396 Comm: hidt_bridge Not tainted 5.10.110 #257
[ 120.754771][ T4396] Hardware name: Rockchip RK3588 EVB4 LP4 V10 Board (DT)
[ 120.761643][ T4396] pstate: 60400089 (nZCv daIf +PAN -UAO -TCO BTYPE=--)
[ 120.768338][ T4396] pc : __list_del_entry_valid+0x98/0xac
[ 120.773730][ T4396] lr : __list_del_entry_valid+0x98/0xac
[ 120.779120][ T4396] sp : ffffffc01e62bb60
[ 120.783126][ T4396] x29: ffffffc01e62bb60 x28: ffffff818ce3a200
[ 120.789126][ T4396] x27: 0000000000000009 x26: 0000000000980000
[ 120.795126][ T4396] x25: ffffffc012431000 x24: ffffff802c6d4e00
[ 120.801125][ T4396] x23: ffffff8005c66f00 x22: ffffffc01183b5b8
[ 120.807125][ T4396] x21: ffffff819df2f100 x20: 0000000000000000
[ 120.813124][ T4396] x19: ffffff802c3f0700 x18: ffffffc01d2cd058
[ 120.819124][ T4396] x17: 0000000000000000 x16: 0000000000000000
[ 120.825124][ T4396] x15: 0000000000000004 x14: 0000000000003fff
[ 120.831123][ T4396] x13: ffffffc012085588 x12: 0000000000000003
[ 120.837123][ T4396] x11: 00000000ffffbfff x10: 0000000000000003
[ 120.843123][ T4396] x9 : 455103d46b329300 x8 : 455103d46b329300
[ 120.849124][ T4396] x7 : 74707572726f6320 x6 : ffffffc0124b8cb5
[ 120.855124][ T4396] x5 : ffffffffffffffff x4 : 0000000000000000
[ 120.861123][ T4396] x3 : ffffffc011cf4f90 x2 : ffffff81fee7b948
[ 120.867122][ T4396] x1 : ffffffc011cf4f90 x0 : 0000000000000054
[ 120.873122][ T4396] Call trace:
[ 120.876259][ T4396] __list_del_entry_valid+0x98/0xac
[ 120.881304][ T4396] hid_debug_events_release+0x48/0x12c
[ 120.886617][ T4396] full_proxy_release+0x50/0xbc
[ 120.891323][ T4396] __fput+0xdc/0x238
[ 120.895075][ T4396] ____fput+0x14/0x24
[ 120.898911][ T4396] task_work_run+0x90/0x148
[ 120.903268][ T4396] do_exit+0x1bc/0x8a4
[ 120.907193][ T4396] do_group_exit+0x8c/0xa4
[ 120.911458][ T4396] get_signal+0x468/0x744
[ 120.915643][ T4396] do_signal+0x84/0x280
[ 120.919650][ T4396] do_notify_resume+0xd0/0x218
[ 120.924262][ T4396] work_pending+0xc/0x3f0
[ Rahul Rameshbabu <sergeantsagara@protonmail.com>: rework changelog ]
Fixes: cd667ce24796 ("HID: use debugfs for events/reports dumping")
Signed-off-by: Charles Yi <be286@163.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Jamesdonkey A3R keyboard is identified as "Jamesdonkey A3R" in wired
mode, "A3R-U" in wireless mode and "A3R" in bluetooth mode. Adding them
to non-apple keyboards fixes function key.
Signed-off-by: Yihong Cao <caoyihong4@outlook.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When a user requests more than 60 bytes of data the MCP2221 must chunk
the data in chunks up to 60 bytes long (see command/response code 0x40
in the datasheet).
In order to signal that the device has more data the (undocumented) byte
at byte index 2 of the Get I2C Data response uses the value 0x54. This
contrasts with the case for the final data chunk where the value
returned is 0x55 (MCP2221_I2C_READ_COMPL). The fact that 0x55 was not
returned in the response was interpreted by the driver as a failure
meaning that all reads of more than 60 bytes would fail.
Add support for reads that are split over multiple chunks by looking for
the response code indicating that more data is expected and continuing
the read as the code intended. Some timing delays are required to ensure
the chip has time to refill its FIFO as data is read in from the I2C
bus. This timing has been tested in my system when configured for bus
speeds of 50KHz, 100KHz, and 400KHz and operates well.
Signed-off-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Since the initial commit of this driver the I2C bus speed has been
reconfigured for every single transfer. This is despite the fact that we
never change the speed and it is never "lost" by the chip.
Upon investigation we find that what was really happening was that the
setting of the bus speed had the side effect of cancelling a previous
failed command if there was one, thereby freeing the bus. This is the
part that was actually required to keep the bus operational in the face
of failed commands.
Instead of always setting the speed, we now correctly cancel any failed
commands as they are detected. This means we can just set the bus speed
at probe time and remove the previous speed sets on each transfer.
This has the effect of improving performance and reducing the number of
commands required to complete transfers.
Signed-off-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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In scenarios where an I2C device tree is defined in ACPI and exists off
the MCP2221 I2C bus, the devices could not be instantiated.
Mark the USB port that the MCP2221 is connected to as its ACPI companion
so that the USB device can be bound to the ACPI tree when enumerated.
With this change the downstream I2C tree devices can be instantiated on
ACPI systems.
Signed-off-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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During the probe we add an I2C adapter and as soon as we add that adapter
it may be used for a transfer (e.g via the code in i2cdetect()).
Those transfers are not able to complete and time out. This is because the
HID raw_event callback (mcp2221_raw_event) will not be invoked until the
HID device's 'driver_input_lock' is marked up at the completion of the
probe in hid_device_probe(). This starves the driver of the responses it
is waiting for.
In order to allow the I2C transfers to complete while we are still in the
probe, start the IO once we have completed init of the HID device.
This issue seems to have been seen before and a patch was submitted but
it seems it was never accepted. See:
https://lore.kernel.org/all/20221103222714.21566-3-Enrik.Berkhan@inka.de/
Signed-off-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The process of adding an I2C adapter can invoke I2C accesses on that new
adapter (see i2c_detect()).
Ensure we have set the adapter's driver data to avoid null pointer
dereferences in the xfer functions during the adapter add.
This has been noted in the past and the same fix proposed but not
completed. See:
https://lore.kernel.org/lkml/ef597e73-ed71-168e-52af-0d19b03734ac@vigem.de/
Signed-off-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Added a gpiochip compatible driver to control the 8 GPIOs of
the MCP2200 by using the HID interface.
Using GPIOs with alternative functions (GP0<->SSPND, GP1<->USBCFG,
GP6<->RXLED, GP7<->TXLED) will reset the functions, if set (unset by
default).
The driver was tested while also using the UART of the chip. Setting
and reading the GPIOs has no effect on the UART communication. However,
a reset is triggered after the CONFIGURE command. If the GPIO Direction
is constantly changed, this will affect the communication at low baud
rates. This is a hardware problem of the MCP2200 and is not caused by
the driver.
Signed-off-by: Johannes Roith <johannes@gnu-linux.rocks>
Reviewed-by: Rahul Rameshbabu <sergeantsagara@protonmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc updates from Greg KH:
"Here is the big set of char/misc and other small driver subsystem
changes for 6.7-rc1. Included in here are:
- IIO subsystem driver updates and additions (largest part of this
pull request)
- FPGA subsystem driver updates
- Counter subsystem driver updates
- ICC subsystem driver updates
- extcon subsystem driver updates
- mei driver updates and additions
- nvmem subsystem driver updates and additions
- comedi subsystem dependency fixes
- parport driver fixups
- cdx subsystem driver and core updates
- splice support for /dev/zero and /dev/full
- other smaller driver cleanups
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (326 commits)
cdx: add sysfs for subsystem, class and revision
cdx: add sysfs for bus reset
cdx: add support for bus enable and disable
cdx: Register cdx bus as a device on cdx subsystem
cdx: Create symbol namespaces for cdx subsystem
cdx: Introduce lock to protect controller ops
cdx: Remove cdx controller list from cdx bus system
dts: ti: k3-am625-beagleplay: Add beaglecc1352
greybus: Add BeaglePlay Linux Driver
dt-bindings: net: Add ti,cc1352p7
dt-bindings: eeprom: at24: allow NVMEM cells based on old syntax
dt-bindings: nvmem: SID: allow NVMEM cells based on old syntax
Revert "nvmem: add new config option"
MAINTAINERS: coresight: Add missing Coresight files
misc: pci_endpoint_test: Add deviceID for J721S2 PCIe EP device support
firmware: xilinx: Move EXPORT_SYMBOL_GPL next to zynqmp_pm_feature definition
uacce: make uacce_class constant
ocxl: make ocxl_class constant
cxl: make cxl_class constant
misc: phantom: make phantom_class constant
...
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
- fixes for crashes detected by CONFIG_KUNIT_ALL_TESTS in hid-uclogic
driver (Jinjie Ruan)
- HID selftests fixes and improvements (Benjamin Tissoires)
- probe error handling path fixes in hid-nvidia-shield driver
(Christophe JAILLET)
- cleanup of LED handling in hid-nintendo (Martino Fontana)
- big cleanup of logitech-hidpp probe code (Hans de Goede)
- Suspend/Resume fix for USB Thinkpad Compact Keyboard (Jamie Lentin)
- firmware detection improvement for Lenovo cptkbd (Mikhail
Khvainitski)
- IRQ shutdown and workqueue initialization fixes for hid-cp2112 driver
(Danny Kaehn)
- #ifdef CONFIG_PM removal from HID code (Thomas Weißschuh)
- other assorted device-ID additions and quirks
* tag 'for-linus-2023110101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (31 commits)
HID: Add quirk for Dell Pro Wireless Keyboard and Mouse KM5221W
HID: logitech-hidpp: Stop IO before calling hid_connect()
HID: logitech-hidpp: Drop HIDPP_QUIRK_UNIFYING
HID: logitech-hidpp: Drop delayed_work_cb()
HID: logitech-hidpp: Fix connect event race
HID: logitech-hidpp: Remove unused connected param from *_connect()
HID: logitech-hidpp: Remove connected check for non-unifying devices
HID: logitech-hidpp: Add hidpp_non_unifying_init() helper
HID: logitech-hidpp: Move hidpp_overwrite_name() to before connect check
HID: logitech-hidpp: Move g920_get_config() to just before hidpp_ff_init()
HID: logitech-hidpp: Remove wtp_get_config() call from probe()
HID: logitech-hidpp: Move get_wireless_feature_index() check to hidpp_connect_event()
HID: logitech-hidpp: Revert "Don't restart communication if not necessary"
HID: logitech-hidpp: Don't restart IO, instead defer hid_connect() only
HID: rmi: remove #ifdef CONFIG_PM
HID: multitouch: remove #ifdef CONFIG_PM
HID: usbhid: remove #ifdef CONFIG_PM
HID: core: remove #ifdef CONFIG_PM from hid_driver
hid: lenovo: Resend all settings on reset_resume for compact keyboards
HID: uclogic: Fix a work->entry not empty bug in __queue_work()
...
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Pull drm updates from Dave Airlie:
"Highlights:
- AMD adds some more upcoming HW platforms
- Intel made Meteorlake stable and started adding Lunarlake
- nouveau has a bunch of display rework in prepartion for the NVIDIA
GSP firmware support
- msm adds a7xx support
- habanalabs has finished migration to accel subsystem
Detail summary:
kernel:
- add initial vmemdup-user-array
core:
- fix platform remove() to return void
- drm_file owner updated to reflect owner
- move size calcs to drm buddy allocator
- let GPUVM build as a module
- allow variable number of run-queues in scheduler
edid:
- handle bad h/v sync_end in EDIDs
panfrost:
- add Boris as maintainer
fbdev:
- use fb_ops helpers more
- only allow logo use from fbcon
- rename fb_pgproto to pgprot_framebuffer
- add HPD state to drm_connector_oob_hotplug_event
- convert to fbdev i/o mem helpers
i915:
- Enable meteorlake by default
- Early Xe2 LPD/Lunarlake display enablement
- Rework subplatforms into IP version checks
- GuC based TLB invalidation for Meteorlake
- Display rework for future Xe driver integration
- LNL FBC features
- LNL display feature capability reads
- update recommended fw versions for DG2+
- drop fastboot module parameter
- added deviceid for Arrowlake-S
- drop preproduction workarounds
- don't disable preemption for resets
- cleanup inlines in headers
- PXP firmware loading fix
- Fix sg list lengths
- DSC PPS state readout/verification
- Add more RPL P/U PCI IDs
- Add new DG2-G12 stepping
- DP enhanced framing support to state checker
- Improve shared link bandwidth management
- stop using GEM macros in display code
- refactor related code into display code
- locally enable W=1 warnings
- remove PSR watchdog timers on LNL
amdgpu:
- RAS/FRU EEPROM updatse
- IP discovery updatses
- GC 11.5 support
- DCN 3.5 support
- VPE 6.1 support
- NBIO 7.11 support
- DML2 support
- lots of IP updates
- use flexible arrays for bo list handling
- W=1 fixes
- Enable seamless boot in more cases
- Enable context type property for HDMI
- Rework GPUVM TLB flushing
- VCN IB start/size alignment fixes
amdkfd:
- GC 10/11 fixes
- GC 11.5 support
- use partial migration in GPU faults
radeon:
- W=1 Fixes
- fix some possible buffer overflow/NULL derefs
nouveau:
- update uapi for NO_PREFETCH
- scheduler/fence fixes
- rework suspend/resume for GSP-RM
- rework display in preparation for GSP-RM
habanalabs:
- uapi: expose tsc clock
- uapi: block access to eventfd through control device
- uapi: force dma-buf export to PAGE_SIZE alignments
- complete move to accel subsystem
- move firmware interface include files
- perform hard reset on PCIe AXI drain event
- optimise user interrupt handling
msm:
- DP: use existing helpers for DPCD
- DPU: interrupts reworked
- gpu: a7xx (a730/a740) support
- decouple msm_drv from kms for headless devices
mediatek:
- MT8188 dsi/dp/edp support
- DDP GAMMA - 12 bit LUT support
- connector dynamic selection capability
rockchip:
- rv1126 mipi-dsi/vop support
- add planar formats
ast:
- rename constants
panels:
- Mitsubishi AA084XE01
- JDI LPM102A188A
- LTK050H3148W-CTA6
ivpu:
- power management fixes
qaic:
- add detach slice bo api
komeda:
- add NV12 writeback
tegra:
- support NVSYNC/NHSYNC
- host1x suspend fixes
ili9882t:
- separate into own driver"
* tag 'drm-next-2023-10-31-1' of git://anongit.freedesktop.org/drm/drm: (1803 commits)
drm/amdgpu: Remove unused variables from amdgpu_show_fdinfo
drm/amdgpu: Remove duplicate fdinfo fields
drm/amd/amdgpu: avoid to disable gfxhub interrupt when driver is unloaded
drm/amdgpu: Add EXT_COHERENT support for APU and NUMA systems
drm/amdgpu: Retrieve CE count from ce_count_lo_chip in EccInfo table
drm/amdgpu: Identify data parity error corrected in replay mode
drm/amdgpu: Fix typo in IP discovery parsing
drm/amd/display: fix S/G display enablement
drm/amdxcp: fix amdxcp unloads incompletely
drm/amd/amdgpu: fix the GPU power print error in pm info
drm/amdgpu: Use pcie domain of xcc acpi objects
drm/amd: check num of link levels when update pcie param
drm/amdgpu: Add a read to GFX v9.4.3 ring test
drm/amd/pm: call smu_cmn_get_smc_version in is_mode1_reset_supported.
drm/amdgpu: get RAS poison status from DF v4_6_2
drm/amdgpu: Use discovery table's subrevision
drm/amd/display: 3.2.256
drm/amd/display: add interface to query SubVP status
drm/amd/display: Read before writing Backlight Mode Set Register
drm/amd/display: Disable SYMCLK32_SE RCO on DCN314
...
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- fixes for crashes detected by CONFIG_KUNIT_ALL_TESTS in hid-uclogic
driver (Jinjie Ruan)
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- probe error handling path fixes in hid-nvidia-shield driver (Christophe JAILLET)
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- cleanup of LED handling in hid-nintendo (Martino Fontana)
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- big cleanup of logitech-hidpp probe code (Hans de Goede)
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- Suspend/Resume fix for USB Thinkpad Compact Keyboard (Jamie Lentin)
- firmware detection improvement for Lenovo cptkbd (Mikhail Khvainitski)
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- IRQ shutdown and workqueue initialization fixes for hid-cp2112
driver (Danny Kaehn)
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