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->product, ->version and ->type fields in the client struct were left out
unitialized from the hid device fields; fix that.
Reported-by: Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
There are two ways to connect the Steam Controller: directly to the USB
or with the USB wireless adapter. Both methods are similar, but the
wireless adapter can connect up to 4 devices at the same time.
The wired device will appear as 3 interfaces: a virtual mouse, a virtual
keyboard and a custom HID device.
The wireless device will appear as 5 interfaces: a virtual keyboard and
4 custom HID devices, that will remain silent until a device is actually
connected.
The custom HID device has a report descriptor with all vendor specific
usages, so the hid-generic is not very useful. In a PC/SteamBox Valve
Steam Client provices a software translation by using hidraw and a
creates a uinput virtual gamepad and XTest keyboard/mouse.
This driver intercepts the hidraw usage, so it can get out of the way
when the Steam Client is in use.
Signed-off-by: Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The 0457:10fb touchscreen found on the Toshiba Click Mini L9W-B needs
to have a report-decriptors command send to it on resume in order for
the touchscreen to start generating events again on resume.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Never directly free @dev after calling device_register(), even
if it returned an error. Always use put_device() to give up the
reference initialized.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
If only the first 't4_read_write_register()' call fails, the error code
will be overwritten and lost.
Directly report the error instead.
While at it, log some errors if 't4_read_write_register()' fails, as done
in the rest of the driver.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
if 'read_flag' is false, there is no need to allocate and free memory.
We can simply avoid the memory allocation and pass NULL to kfree.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
If the data received is not what is expected, we should return an error.
Otherwise, we return 0 or a positive value which will be interpreted as
success, but '*read_val' has not been updated.
Fixes: 73196ebe134d ("HID: alps: add support for Alps T4 Touchpad device")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The Win8 spec also declare other features we want to support:
latency and surface and button switches.
Though it doesn't seem we need to activate those by default, we have been
proved in the past that manufacturers rely on the Windows driver behavior
so we better mimic it to prevent further issues.
The current way of setting the features is cumbersome. It avoids iterating
over the list of features, but the way we store/retrieve the data just
doesn't scale with more than two values.
So iterate over the features when we decide to switch on the device and
make it simpler to extend.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
We now have HID_QUIRK_INPUT_PER_APPLICATION that splits the devices
into several devices. This helps us as we can now rely on hid-input
to set the names for us.
Also, this helps removing some magical numbers '0' when calling
.input_configured().
The only thing to take care of is that the field .report in struct
hid_input is now null. We need to iterate over the full list of
reports attached to a hid_input.
This is required for some Advanced Silicon touchscreen to correctly apply
the HID_QUIRK_INPUT_PER_APPLICATION as they have 2 reports associated
with the hidinput node. One contains the Input data, the other one
contains the Output data.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Given that we create one input node per application, we should name
the input node accordingly to not lose userspace.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
It is not a good idea to try to fit all types of applications in the
same input report. There are a lot of devices that are needing
the quirk HID_MULTI_INPUT but this quirk doesn't match the actual HID
description as it is based on the report ID.
Given that most devices with MULTI_INPUT I can think of split nicely
the devices inputs into application, it is a good thing to split the
devices by default based on this assumption.
Also make hid-multitouch following this rule, to not have to deal
with too many input created.
While we are at it, fix some checkpatch complaints about converting
'unsigned' to 'unsigned int'.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
We were only storing the report in case of QUIRK_MULTI_INPUT.
It is interesting for the upcoming HID_QUIRK_INPUT_PER_APP to also
store the full list of reports that are attached to it.
We need the full list because a device (Advanced Silicon has some)
might want to use a different report ID for the Input reports and
the Output reports. Storing the full list allows the drivers to
have all the data.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hid_ishtp_get_report() may be called by multiple callers at the same
time, causing trouble with the static local buffer used.
Also there is no reason to use a non stack buffer, the buffer is tiny
and ishtp_cl_send() copies its contents so the lifetime is not an
issue either.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
With the headersize check outside of the loop, the second time through
the loop the: "payload_len = recv_msg->hdr.size;" statement may deref
recv_msg while it is pointing outside of our input buffer.
Move the headersize check to inside the loop to fix this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The IBM/Lenovo Scrollpoint mice feature a trackpoint-like stick instead of a
scrolling wheel capable of 2-D (vertical+horizontal) scrolling. hid-generic
does only expose 1-D (vertical) scrolling functionality for these mice. This
patch adds support for horizontal scrolling for the IBM/Lenovo Scrollpoint mice
to hid-lenovo.
[jkosina@suse.cz: remove change versioning from git changelog]
Signed-off-by: Peter Ganzhorn <peter.ganzhorn@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Peter De Wachter <pdewacht@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
i2c_hid_command() returns non-zero in error cases (the actual
errno). Error handling in for I2C_HID_QUIRK_RESEND_REPORT_DESCR
case in i2c_hid_resume() had the check inverted; fix that.
Fixes: 3e83eda467 ("HID: i2c-hid: Fix resume issue on Raydium touchscreen device")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This is something that bothered us from a long time. When hid-input
doesn't know how to map a usage, it uses *_MISC. But there is something
else which increments the usage if the evdev code is already used.
This leads to few issues:
- some devices may have their ABS_X mapped to ABS_Y if they export a bad
set of usages (see the DragonRise joysticks IIRC -> fixed in a specific
HID driver)
- *_MISC + N might (will) conflict with other defined axes (my Logitech
H800 exports some multitouch axes because of that)
- this prevents to freely add some new evdev usages, because "hey, my
headset will now report ABS_COFFEE, and it's not coffee capable".
So let's try to kill this nonsense, and hope we won't break too many
devices.
I my headset case, the ABS_MISC axes are created because of some
proprietary usages, so we might not break that many devices.
For backward compatibility, a quirk HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE
is created and can be applied to any device that needs this behavior.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This adds a new driver for the Redragon Asura keyboard. The Asura
keyboard contains an error in the HID descriptor which causes all
modifier keys to be mapped to left shift. Additionally, we suppress
the creation of a second, not working, keyboard device.
Signed-off-by: Robert Munteanu <rombert@apache.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The CHPN0001 ACPI device has a _CID of PNP0C50 and even has the _DSM to
get the HID descriptor address, but it is not a HID device at all.
It uses its own protocol which is handled by the (still being upstreamed)
chipone_icn8505 driver. I guess the _CID and the _DSM are the result of
a copy and paste job when the vendor was building the ACPI tables.
Before this patch the i2c_hid_driver's probe function will fail with a
"hid_descr_cmd failed" error.
This commit makes the i2c_hid_driver's probe function instead silently
ignored devices with an ACPI id of CHPN0001.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Log an error in all error paths of i2c_hid_acpi_pdata() instead of having
the caller log a generic error.
This is a preparation patch for allowing i2c_hid_acpi_pdata() to fail
silently under certain conditions.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
When Rayd touchscreen resumed from S3, it issues too many errors like:
i2c_hid i2c-RAYD0001:00: i2c_hid_get_input: incomplete report (58/5442)
And all the report data are corrupted, touchscreen is unresponsive.
Fix this by re-sending report description command after resume.
Add device ID as a quirk.
Cc: stable@vger.kernel.org
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The code path for recent Bluetooth devices omits an exit report which
resets all the values of the device.
Fixes: 4922cd26f0 ("HID: wacom: Support 2nd-gen Intuos Pro's Bluetooth classic interface")
Cc: <stable@vger.kernel.org> # 4.11
Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Doing `ioctl(HIDIOCGFEATURE)` in a tight loop on a hidraw device
and then disconnecting the device, or unloading the driver, can
cause a NULL pointer dereference.
When a hidraw device is destroyed it sets 0 to `dev->exist`.
Most functions check 'dev->exist' before doing its work, but
`hidraw_get_report()` was missing that check.
Cc: stable@vger.kernel.org
Signed-off-by: Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The commit 581c4484769e ("HID: input: map digitizer battery usage")
assumed that devices having input (qas opposed to feature) report for
battery strength would report the data on their own, without the need to
be polled by the kernel; unfortunately it is not so. Many wireless mice
do not send unsolicited reports with battery strength data and have to
be polled explicitly. As a complication, stylus devices on digitizers
are not normally connected to the base and thus can not be polled - the
base can only determine battery strength in the stylus when it is in
proximity.
To solve this issue, we add a special flag that tells the kernel
to avoid polling the device (and expect unsolicited reports) and set it
when report field with physical usage of digitizer stylus (HID_DG_STYLUS).
Unless this flag is set, and we have not seen the unsolicited reports,
the kernel will attempt to poll the device when userspace attempts to
read "capacity" and "state" attributes of power_supply object
corresponding to the devices battery.
Fixes: 581c4484769e ("HID: input: map digitizer battery usage")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=198095
Cc: stable@vger.kernel.org
Reported-and-tested-by: Martin van Es <martin@mrvanes.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull HID updates from Jiri Kosina:
- 3rd generation Wacom Intuos BT device support from Aaron Armstrong
Skomra
- support for NSG-MR5U and NSG-MR7U devices from Todd Kelner
- multitouch Razer Blade Stealth support from Benjamin Tissoires
- Elantech touchpad support from Alexandrov Stansilav
- a few other scattered-around fixes and cleanups to drivers and
generic code
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (31 commits)
HID: google: Enable PM Full On mode when adjusting backlight
HID: google: add google hammer HID driver
HID: core: reset the quirks before calling probe again
HID: multitouch: do not set HID_QUIRK_NO_INIT_REPORTS
HID: core: remove the need for HID_QUIRK_NO_EMPTY_INPUT
HID: use BIT() macro for quirks too
HID: use BIT macro instead of plain integers for flags
HID: multitouch: remove dead zones of Razer Blade Stealth
HID: multitouch: export a quirk for the button handling of touchpads
HID: usbhid: extend the polling interval configuration to keyboards
HID: ntrig: document sysfs interface
HID: wacom: wacom_wac_collection() is local to wacom_wac.c
HID: wacom: generic: add the "Report Valid" usage
HID: wacom: generic: Support multiple tools per report
HID: wacom: Add support for 3rd generation Intuos BT
HID: core: rewrite the hid-generic automatic unbind
HID: sony: Add touchpad support for NSG-MR5U and NSG-MR7U remotes
HID: hid-multitouch: Use true and false for boolean values
HID: hid-ntrig: use true and false for boolean values
HID: logitech-hidpp: document sysfs interface
...
hammer LED backlight brightness is not getting set when USB
device is in suspend state.
This patch fixes the issue by requesting USB HID device to be
in FULLON mode, so that sending hardware output report and
hardware raw request won't fail to set brightness, and set
device back to NORMAL mode once this call returns.
Signed-off-by: Haridhar Kalvala <haridhar.kalvala@intel.com>
Reviewed-by: Dmitry Torokhov <dtor@chromium.org>
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add Google hammer HID driver. This driver allow us to control hammer
keyboard backlight and support future features.
Signed-off-by: Wei-Ning Huang <wnhuang@google.com>
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Given that now the quirk handling is done in hid-quirk.c, we can actually
reset the quirks before calling .probe(), so that the drivers do not need
to keep track of initial quirks.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
It is set by default now, so there is no point setting it in the driver
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
There is no real point of registering an empty input node.
This should be default, but given some drivers need the blank input
node to set it up during input_configured, we need to postpone
the check for hidinput_has_been_populated().
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The Razer Blade Stealth detects palms too aggressively and this creates
a dead zone around the touchpad. Users like being able to use their
entire touchpad, so we should probably not filter out the "palm" events
from the device and report them as regular touches, leaving the palm
detection up to the upper stack
Link: https://bugs.freedesktop.org/show_bug.cgi?id=105409
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Instead of using the class name, we better have a specific quirk for it
so other classes can make use of it.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
For mouse and joystick devices user can change the polling interval
via usbhid.mousepoll and usbhid.jspoll.
Implement the same thing for keyboards, so user can
reduce(or increase) input latency this way.
This has been tested with a Cooler Master Devastator with
kbpoll=32, resulting in delay between events of 32 ms(values were taken
from evtest).
Signed-off-by: Filip Alac <filipalac@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Wacom Bluetooth reports contain multiple pen frames per report.
Each frame contains a flag indicating if the frame is valid.
Future Wacom devices with this type of report may contain HID
descriptors, add support for this usage to the generic codepath
of the Wacom driver.
Signed-off-by: Aaron Armstrong Skomra <skomra@gmail.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Some Wacom devices contain contain Pen and Pad usages in
the same report. Future devices of this type may utilize
HID Descriptors.
The generic code path of the Wacom driver previously
assumed pen, touch, and pad reports were delivered in
separate reports. This patch adds support for processing
each collection of a report separately, in order to support
reports with multiple tools.
Signed-off-by: Aaron Armstrong Skomra <skomra@gmail.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
We actually can have the unbind/rebind logic in hid-core.c, leaving
only the match function in hid-generic.
This makes hid-generic simpler and the whole logic simpler too.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
