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Current implementation of cp2112_raw_event() only accepts one data report at a
time. If last received data report is not fully handled yet, a new incoming
data report will overwrite it. In such case we don't guaranteed to propagate
the correct incoming data.
The trivial fix implemented here forces a single report at a time by requesting
in cp2112_read() no more than 61 byte of data, which is the payload size of a
single data report.
Cc: stable@vger.kernel.org
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Tested-by: Ellen Wang <ellen@cumulusnetworks.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Commit 862cf55 ("HID: wacom: Introduce a new WACOM_DEVICETYPE_PAD device_type")
neglected to set the WACOM_DEVICETYPE_PAD flag for older two-finger Bamboo
Touch tablets. Not only does this result in the pad device not appearing when
such a tablet is plugged in, but also causes a segfault when 'wacom_bpt_touch'
tries to send pad events. This patch adds the flag to resolve these issues.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Fields like HID_DG_CONTACTCOUNT are outside of the physical collection,
but within the application collection and report ID. Make sure to catch
those fields that are not part of the mt_report_id and return 0 so they
can be processed with the pen. Otherwise, the wrong HID_DG_CONTACTCOUNT
will be applied to cc_index and result in dereferencing a null pointer in
mt_touch_report.
Signed-off-by: Brent Adam <brentadam@smarttech.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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The newer firmware on MS Surface 2 tablets causes the type and touch cover keyboards to timeout when waiting for reports.
The quirk HID_QUIRK_NO_INIT_REPORTS allows them to function normally.
Signed-off-by: Reyad Attiyat <reyad.attiyat@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We can't pass a NULL to input_unregister_device().
Fixes: 2a6cdbdd4cc0 ('HID: wacom: Introduce new 'touch_input' device')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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'for-4.2/rmi', 'for-4.2/sensor-hub', 'for-4.2/sjoy', 'for-4.2/sony' and 'for-4.2/wacom' into for-linus
Conflicts:
drivers/hid/wacom_wac.c
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'for-4.2/logitech' into for-linus
Conflicts:
drivers/hid/hid-logitech-hidpp.c
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Use kernel.h macro definition.
Thanks to Julia Lawall for Coccinelle scripting support.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Adding support for the Microsoft Surface Pro Power Cover.
Signed-off-by: Raimund Roth <raimundmroth@gmail.gom>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Patch report descriptor to remove unused and ramdomly changing axis.
Original report descriptor (via BT) was as follows:
00000000 05 01 09 04 a1 01 a1 02 85 01 75 08 95 01 15 00 |..........u.....|
00000010 26 ff 00 81 03 75 01 95 13 15 00 25 01 35 00 45 |&....u.....%.5.E|
00000020 01 05 09 19 01 29 13 81 02 75 01 95 0d 06 00 ff |.....)...u......|
00000030 81 03 15 00 26 ff 00 05 01 09 01 a1 00 75 08 95 |....&........u..|
00000040 04 35 00 46 ff 00 09 30 09 31 09 32 09 35 81 02 |.5.F...0.1.2.5..|
00000050 c0 05 01 75 08 95 27 09 01 81 02 75 08 95 30 09 |...u..'....u..0.|
00000060 01 91 02 75 08 95 30 09 01 b1 02 c0 a1 02 85 02 |...u..0.........|
00000070 75 08 95 30 09 01 b1 02 c0 a1 02 85 ee 75 08 95 |u..0.........u..|
00000080 30 09 01 b1 02 c0 a1 02 85 ef 75 08 95 30 09 01 |0.........u..0..|
00000090 b1 02 c0 c0 00 |.....|
00000095
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Instead of having a single 'input_dev' device that will take either pen
or touch data depending on the type of the device, create seperate devices
devices for each. By splitting things like this, we can support devices
(e.g. the I2C "AES" sensors in some newer tablet PCs) that send both pen
and touch reports from a single endpoint.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This splits the 'wacom_setup_pentouch_input_capabilites' function into
pieces dedicated to doing setup for just the pen interface and just
the touch interface. This makes it easier to focus on the relevant
piece when making changes.
This patch introduces no functional changes.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Historically, both the touch and pad tools would have shared the
'BTN_TOOL_FINGER' type. Any time you needed to distinguish the two, you
had to use some other bit of knowledge (e.g. that the pad was on the same
interface as the pen, and thus 'touch_max' would be zero).
To make these checks more readable, we introduce WACOM_DEVICETYPE_PAD.
Although we still have to rely on other bits of knowledge to set this
bit on the right interface (since it cannot be detected from the HID
descriptor), it can be done just once inside 'wacom_setup_device_quirks'.
This patch introduces no functional changes.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The USB devices that this driver has historically supported segregate the
pen and touch portions of the tablet. Oftentimes the segregation would be
done at the interface level, though on occasion (e.g. Cintiq 24HDT) the
tablet would combine two totally independent USB devices behind an internal
USB hub. Because pen and touch never shared the same interface, it made
sense for the 'device_type' to store a single value: "pen" or "touch".
Recently, however, some I2C devices have been created which combine the
two. A first step to accomodating this is to expand 'device_type' so that
it can represent two (or potentially more) types simultaneously. To do
this, we treat it as a bitfield and set/check individual bits rather
than using the '=' and '==' operators.
This should not result in any functional change since no supported devices
(that I'm aware of, at least) have HID descriptors that indicate both
pen and touch reports on a single interface.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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A little bit of cleanup work for 'wacom_update_name' to make it easier on
the eyes. Creates a temporary 'name' variable on which we'll perform our
edits. Once the name is in its final form, it will be copied (with
appropriate suffix) to 'wacom_wac->name' and 'wacom_wac->pad_name'.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Physical buttons do not use F30 to report their state and in some cases the
data reported in F30 is incorrect and inconsistent with what is reported by
the HID descriptor. When physical buttons are present, ignore F30 and let
hid-input report buttons based on what is defined in the HID descriptor.
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Update Kconfig with enhanced help text for hid-plantronics driver.
Update hid-plantronics.c to identify device type and correctly map
either the vendor unique or consumer control volume up/down usages
to KEY_VOLUMEUP and KEY_VOLUMEDOWN events. Unmapped usages are ignored
to prevent core mapping of unknown usages to random mouse events.
Tested on ChromeBox/ChromeBook with various Plantronics devices.
Signed-off-by: Terry Junge <terry.junge@plantronics.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Fix the report descriptor so that the buttons and trigger are correctly reported.
The format of the input report is described here:
https://github.com/nitsch/moveonpc/wiki/Input-report
The Accelerometers and Gyros (1st frame only) are also reported as axis, but
the Magnetometers are NOT as 'fixing' their byte order would break user-space
drivers such as PSMoveAPI.
It is hoped to resolve this at a future time.
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The LED and Rumble control only function via BT if the full output report
is sent. The large report still functions via USB.
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add support for the battery charge level and state to be read via BT.
This is not support via USB as there is no know way to get the device
sending 'input' reports over USB.
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Split quirk for PS Move Controller as it has to be treated differently
when connected via BT.
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The HID device does not need to know about the ACPI device associated with
the underlying i2c device. Setting the ACPI companion field in the HID device
also has the side effect of causing HID to be set as wake capable, since
acpi_bind_one uses's the companion ACPI device's wakeup flags to set the
device as wake capable. Which results in power/wakeup files in sysfs for
the HID device which do not do anything.
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Tested-by: Benson Leung <bleung@chromium.org>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Removes Vernier Software & Technology devices from the ldusb
driver and the hid_ignore_list table of the usbhid driver in the
Linux tree. These devices will now be supported via the hidraw
driver.
A user space driver for these devices will be found in the
Go! Software Development Kit from Vernier at
http://www.vernier.com/downloads/software-development-kits/go-sdk/.
These devices are also be supported by the LabQuest2 standalone
interface shown at http://www.vernier.com/products/interfaces/labq2/
and the LoggerPro for Linux software shown at
http://www.vernier.com/downloads/logger-pro-linux/.
Signed-off-by: Dennis O'Brien <dennis.obrien@eqware.net>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The Logitech M560 is a wireless mouse designed for windows 8 which uses
the unifying receiver.
Compared to a standard one, some buttons (the middle one and the
two ones placed on the side) are bound to a key combination
instead of a generating classic "mouse" button events.
The device shows up as a mouse and keyboard combination: when the middle
button is pressed it sends a key (as keyboard) combination, the same
happens for the two side button. The left/right/wheel work as expected
from a mouse. To complicate things further, the middle button sends
different keys combinations between odd and even presses.
In the "even" press it also sends a left click. But the worst thing
is that no event is generated when the middle button is released.
It is possible to re-configure the mouse sending a command (see function
m560_send_config_command()). After this command the mouse sends some
useful data when the buttons are pressed and/or released.
[jkosina@suse.cz: fix build breakage due to leftover from previous
patch version]
Signed-off-by: Goffredo Baroncelli <kreijack@inwind.it>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Rename the function extract() to hid_field_extract(), make it external linkage
to allow the use from other modules.
Suggested-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Goffredo Baroncelli <kreijack@inwind.it>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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There is no sysfs_group_remove() on failure path in lenovo_probe_tpkbd().
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This line is too long; split it up.
Signed-off-by: James C Boyd <jcboyd.dev@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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There are too many bangs in this conditional; therefore
remove them while still maintaining the same logic.
Signed-off-by: James C Boyd <jcboyd.dev@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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GCC reports a -Wlogical-not-parentheses warning here; therefore
add parentheses to shut it up and to express our intent more.
Signed-off-by: James C Boyd <jcboyd.dev@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Most of the entries are aligned with TABs, fix those which are not.
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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I received a report from an user of following mouse which needs this quirk:
usb 1-1.6: USB disconnect, device number 58
usb 1-1.6: new low speed USB device number 59 using ehci_hcd
usb 1-1.6: New USB device found, idVendor=04f2, idProduct=1053
usb 1-1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-1.6: Product: USB Optical Mouse
usb 1-1.6: Manufacturer: PixArt
usb 1-1.6: configuration #1 chosen from 1 choice
input: PixArt USB Optical Mouse as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.6/1-1.6:1.0/input/input5887
generic-usb 0003:04F2:1053.16FE: input,hidraw2: USB HID v1.11 Mouse [PixArt USB Optical Mouse] on usb-0000:00:1a.0-1.6/input0
The quirk was tested by the reporter and it fixed the frequent disconnections etc.
[jkosina@suse.cz: reorder the position in hid-ids.h]
Signed-off-by: Herton R. Krzesinski <herton@redhat.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
"Bugfixes for HID subsystem that should go in 4.1. Important
highlights:
- the patch that extended support for HID++ protocol for TK820
touchpad turns out to be causing regressions due to firmware
issues; patch reverting back to basic support from Benjamin
Tissoires
- Wacom driver can oops for devices that report non-touch data on
touch interfaces. Fix from Ping Cheng
- gpiolib is not mandatory for i2c-hid, so the driver shouldn't fail
if gpiolib is not enabled. Fix from Mika Westerberg"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: wacom: fix an Oops caused by wacom_wac_finger_count_touches
HID: usbhid: Add HID_QUIRK_NOGET for Aten DVI KVM switch
HID: hid-sensor-hub: Fix debug lock warning
Revert "HID: logitech-hidpp: support combo keyboard touchpad TK820"
HID: i2c-hid: Do not fail probing if gpiolib is not enabled
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Hardware may not respond to a request for the HID_DG_CONTACTMAX feature and
we should be tolerant of such a failure. This is especially true when using
hid-replay where the hardware doesn't exist, but also for devices attached
to a flaky bus. This patch increases the number of allowable retries to
match other calls to 'wacom_get_report' and also provides a fallback which
forces 'touch_max = 16' (enough for any Wacom device seen so far).
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Retrying on -EPIPE makes very little sense since this typically indicates
a problem that will not just disappear on its own. For instance, the USB
documentation states that it will be sent if the endpoint is stalled or
the device has disconnected. Instead, we should retry if -EAGAIN is
received since this indicates a temporary error condition such as a busy
bus.
In addition to adjusting the conditions we retry under, we also log an
error on failure so that we can be aware of what's going on.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We assumed all touch interfaces report touch data. But, Bamboo
and Intuos non-touch devices report express keys on touch
interface. We need to check touch_max before counting touches.
Reported-by: Tasos Sahanidis <tasos@tasossah.com>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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These defines are used like this:
if (test_bit(I2C_HID_STARTED, &ihid->flags))
The intent was to use bits 0, 1, and 2 but because of the extra shifts
we're using bits 1, 2, and 4. It's harmless becuase it's done
consistently but it's not the intent and static checkers will complain.
Fixes: 4a200c3b9a40 ('HID: i2c-hid: introduce HID over i2c specification implementation')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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These defines are used like this:
if (!(test_bit(RMI_STARTED, &hdata->flags)))
So the intent was to use bits 0, 1 and 2 but because of the extra BIT()
shifts we're actually using 1, 2 and 4. It's harmless because it's done
consistently but static checkers will complain.
Fixes: 9fb6bf02e3ad ('HID: rmi: introduce RMI driver for Synaptics touchpads')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Like other KVM switches, the Aten DVI KVM switch needs a quirk to avoid spewing
errors:
[791759.606542] usb 1-5.4: input irq status -75 received
[791759.614537] usb 1-5.4: input irq status -75 received
[791759.622542] usb 1-5.4: input irq status -75 received
Add it.
Signed-off-by: Laura Abbott <labbott@fedoraproject.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Once there were kernel drivers for some of the phidgets devices, and for
those kernel drivers to work the hid system needed exceptions. Now the
kernel drivers are long gone in favour of the user-space drivers.
The user-space drivers support many more phidget devices and uses libusb.
The udev rules set up permissions so that the kernel hid driver can be
unbound from libusb, as it does for many devices not in hid_ignore_list.
http://www.phidgets.com/docs/OS_-_Linux
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When CONFIG_DEBUG_LOCK_ALLOC is defined, mutex magic is compared and
warned for (l->magic != l), here l is the address of mutex pointer.
In hid-sensor-hub as part of hsdev creation, a per hsdev mutex is
initialized during MFD cell creation. This hsdev, which contains, mutex
is part of platform data for the a cell. But platform_data is copied
in platform_device_add_data() in platform.c. This copy will copy the
whole hsdev structure including mutex. But once copied the magic
will no longer match. So when client driver call
sensor_hub_input_attr_get_raw_value, this will trigger mutex warning.
So to avoid this allocate mutex dynamically. This will be same even
after copy.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Only one of LG_FF flags can be set for a given device.
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Allow the driver to continue without sysfs interface. Instead of bailing out
allow the driver to continue in a degraded mode.
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Constify those members of lg4ff_device_entry struct whose value is not
supposed to change.
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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entry struct
Store pointer to the output HID report struct in the device entry struct.
This eliminates the need to look the HID report struct up every time it is needed.
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Protect concurrent access to output HID report with a spinlock. The HID report
structure used to submit commands to wheels is shared amongst all functions that
need to do so and some of these functions can be executed in parallel.
Additionally, lg4ff_play() can be called from interrupt context by ff-memless
module. Locking is necessary to prevent sending bogus data to the wheels.
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Stop the hid device from lg4ff. Originally hid-lg was responsible for
stopping of the device.
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Make lg4ff_wheel_data a separate structure stored within lg4ff_device_entry.
Adjust the initialization process accordingly.
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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