| Commit message (Collapse) | Author | Age | Files | Lines |
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When uhid_get_report() or uhid_set_report() are called, they emit on the
char device a UHID_GET_REPORT or UHID_SET_REPORT message. Then, the
protocol says that the user space asnwers with UHID_GET_REPORT_REPLY
or UHID_SET_REPORT_REPLY.
Unfortunatelly, the current code waits for an event of type UHID_GET_REPORT
or UHID_SET_REPORT instead of the reply one.
Add 1 to UHID_GET_REPORT or UHID_SET_REPORT to actually wait for the
reply, and validate the reply.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This makes UHID_START include a "dev_flags" field that describes details
of the hid-device in the kernel. The first flags we introduce describe
whether a given report-type uses numbered reports. This is useful for
transport layers that force report-numbers and therefore might have to
prefix kernel-provided HID-messages with the report-number.
Currently, only HoG needs this and the spec only talks about "global
report numbers". That is, it's a global boolean not a per-type boolean.
However, given the quirks we already have in kernel-space, a per-type
value seems much more appropriate.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We so far lacked support for hid_hw_raw_request(..., HID_REQ_SET_REPORT);
Add support for it and simply forward the request to user-space. Note that
SET_REPORT is synchronous, just like GET_REPORT, even though it does not
provide any data back besides an error code.
If a transport layer does SET_REPORT asynchronously, they can just ACK it
immediately by writing an uhid_set_report_reply to uhid.
This patch re-uses the synchronous uhid-report infrastructure to query
user-space. Note that this means you cannot run SET_REPORT and GET_REPORT
in parallel. However, that has always been a restriction of HID and due to
its blocking nature, this is just fine. Maybe some future transport layer
supports parallel requests (very unlikely), however, until then lets not
over-complicate things and avoid request-lookup-tables.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We use strict prefixed in uhid.c:
uhid_char_*: implement char-dev callbacks
uhid_dev_*: implement uhid device management and runtime
uhid_hid_*: implement hid-dev callbacks
uhid_raw_request is an hid callback, so rename it to uhid_hid_raw_request.
While at it, move it closer to it's extracted helpers and keep the same
order as in "struct hid_driver".
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The old hdev->hid_get_raw_report() was broken by design. It was never
clear what kind of HW request it should trigger. Benjamin fixed that with
the core HID cleanup, though we never really adjusted uhid.
Unfortunately, our old UHID_FEATURE command was modelled around the broken
hid_get_raw_report(). We converted it silently to the new GET_REPORT and
nothing broke. Make this explicit by renaming UHID_FEATURE to
UHID_GET_REPORT and UHID_FEATURE_ANSWER to UHID_GET_REPORT_REPLY.
Note that this is 100% ABI compatible to UHID_FEATURE. This is just a
rename. But we have to keep the old definitions around to not break API.
>From now on, UHID_GET_REPORT must trigger a GET_REPORT request on the
user-space hardware layer. All the ambiguity due to the weird "feature"
name should be gone now.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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All accesses to @report_done are protected by qlock (or report-contexts).
No need to use an atomic.
While at it, invert the logic and call it "report_running". This is
similar to the uhid->running field and easier to read.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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All accesses to @report_id are protected by @qlock. No need to use an
atomic.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Avoid hard-coding the target buffer sizes and use sizeof() instead. This
also makes us future-proof to buffer-extensions later on.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Avoid keeping uhid->rd_data and uhid->rd_size set in case
uhid_dev_create2() fails. This is non-critical as we never flip
uhid->running and thus never enter uhid_dev_destroy(). However, it's much
nicer for debugging if pointers are only set if they point to valid data.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Instead of hard-coding the uhid_dev_create() function twice, copy any
create_req into a create2_req structure and forward it.
We allocate uhid_create_req on the stack here, but that should be fine.
Unlike uhid_create2_req it is fairly small (<1KB) and it's only used
temporarily to swap entries. uhid_dev_create2() doesn't access it.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The report-query is blocking, so when user-space destroys a device we have
to wake up any blocking kernel context that is currently in the report-cb.
We used some broken correlation between @report_done and @running so far.
Replace it by a much more obvious use.
We now wake up the report-cb if either @report_done or @running is set.
wake_up() and wait_event() serve as implicit barriers (as they always do)
so no need to use smp_rmb/wmb directly.
Note that @report_done is never reset by anyone but the report-cb, thus
it cannot flip twice while we wait for it. And whenever we set @running,
we afterwards synchronously remove the HID device. Therefore, we wait for
all report-cbs to finish before we return. This way, @running can never
flip to true while we wait for it.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The DualShock 4 touchpad has been measured to have a resolution of
44.86 dots/mm which equates to 1920x942.
Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Set the DualShock4 touchpad bits in the input_configured callback
so that they are registered properly for any input devices created
during hid_hw_start.
Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Update the file header and correct an outdated comment block.
Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Fix a few minor issues in the HID descriptor:
- A 6 bit entry had a logical maximum of 255 when the largest it can be is 63.
- A logical max value was incorrectly being set to -1 instead of 255.
- Set the min/max of the gyroscopes to -8192/8191 as that is the range of
values which represent the true controller orientation. Any values beyond
those extents are just noise.
Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Bit 3 in byte 31 of the Sixaxis report indicates whether the battery is
charging or not charging as opposed to whether or not the cable is plugged in.
As a result, when connected via USB and fully charged, the power_supply status
is wrongly reported as 'Discharging' instead of 'Full'.
Use the battery level value to set the cable state so that the power status
is reported correctly as that seems to be the only reliable way to determine the
cable status on the Sixaxis.
Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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In the Dell XPS 13 9333, it appears that sometimes the bus get confused
and corrupts the incoming data. It fills the input report with the
sentinel value "ff". Synaptics told us that such behavior does not comes
from the touchpad itself, so we filter out such reports here.
Unfortunately, we can not simply discard the incoming data because they
may contain useful information. Most of the time, the misbehavior is
quite near the end of the report, so we can still use the valid part of
it.
Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=1123584
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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picolcd device is not expected to send any report with size larger than
64 bytes.
If this impossible event happens (sic!), print also a report ID to allow
for easier debugging.
Suggested-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We can do once the test of the validity of the dj_device, which removes
some duplicated code in various functions.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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There is a second mouse sharing the same vendor strings but different IDs.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This mouse keeps disconnecting in runlevel 3. It needs the ALWAYS_POLL quirk.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Enable the always-poll quirk for Elan Touchscreens found on some recent
Samsung laptops.
Without this quirk the device keeps disconnecting from the bus (and is
re-enumerated) unless opened (and kept open, should an input event
occur).
Note that while the device can be run-time suspended, the autosuspend
timeout must be high enough to allow the device to be polled at least
once before being suspended. Specifically, using autosuspend_delay_ms=0
will still cause the device to disconnect on input events.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add quirk to make sure that a device is always polled for input events
even if it hasn't been opened.
This is needed for devices that disconnects from the bus unless the
interrupt endpoint has been polled at least once or when not responding
to an input event (e.g. after having shut down X).
Signed-off-by: Johan Hovold <johan@kernel.org>
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:
- fixes for potential memory corruption problems in magicmouse and
picolcd drivers (the HW would have to be manufactured to be
deliberately evil to trigger those) which were found by Steven
Vittitoe
- fix for false error message appearing in dmesg from logitech-dj
driver, from Benjamin Tissoires
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: picolcd: sanity check report size in raw_event() callback
HID: magicmouse: sanity check report size in raw_event() callback
HID: logitech-dj: prevent false errors to be shown
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
- fixes for a couple potential memory corruption problems (the HW would
have to be manufactured to be deliberately evil to trigger those)
found by Ben Hawkes
- fix for potential infinite loop when using sysfs interface of
logitech driver, from Simon Wood
- a couple more simple driver fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: fix a couple of off-by-ones
HID: logitech: perform bounds checking on device_id early enough
HID: logitech: fix bounds checking on LED report size
HID: logitech: Prevent possibility of infinite loop when using /sys interface
HID: rmi: print an error if F11 is not found instead of stopping the device
HID: hid-sensor-hub: use devm_ functions consistently
HID: huion: Use allocated buffer for DMA
HID: huion: Fail on parameter retrieval errors
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer fixes from Dmitry Torokhov:
"Second round of updates for the input subsystem. Mostly small fixups
to the code merged in the first round (atmel_mxt_ts, wacom) but also a
smallish patch to xbox driver to support Xbox One controllers and a
patch to better handle Synaptics profile sensors found in Cr-48
Chromebooks that should not affect any other devices"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: edt-ft5x06 - remove superfluous assignment
Input: xpad - add support for Xbox One controllers
Input: atmel_mxt_ts - fix a few issues reported by Coverity
Input: atmel_mxt_ts - split config update a bit
Input: atmel_mxt_ts - simplify mxt_initialize a bit
Input: joystick - use get_cycles on ARMv8
Input: wacom - fix compiler warning if !CONFIG_PM
Input: cap1106 - allow changing key mapping from userspace
Input: synaptics - use firmware data for Cr-48
Input: synaptics - properly initialize slots for semi-MT
Input: MT - make slot cleanup callable outside mt_sync_frame()
Input: atmel_mxt_ts - mXT224 DMA quirk was fixed in firmware v2.0.AA
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If CONFIG_PM is not set:
drivers/hid/wacom_sys.c:1436: warning: ‘wacom_reset_resume’ defined but
not used
Protect the unused functions by #ifdef CONFIG_PM to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- big update to Wacom driver by Benjamin Tissoires, converting it to
HID infrastructure and unifying USB and Bluetooth models
- large update to ALPS driver by Hans de Goede, which adds support for
newer touchpad models as well as cleans up and restructures the code
- more changes to Atmel MXT driver, including device tree support
- new driver for iPaq x3xxx touchscreen
- driver for serial Wacom tablets
- driver for Microchip's CAP1106
- assorted cleanups and improvements to existing drover and input core
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (93 commits)
Input: wacom - update the ABI doc according to latest changes
Input: wacom - only register once the MODULE_* macros
Input: HID - remove hid-wacom Bluetooth driver
Input: wacom - add copyright note and bump version to 2.0
Input: wacom - remove passing id for wacom_set_report
Input: wacom - check for bluetooth protocol while setting OLEDs
Input: wacom - handle Intuos 4 BT in wacom.ko
Input: wacom - handle Graphire BT tablets in wacom.ko
Input: wacom - prepare the driver to include BT devices
Input: hyperv-keyboard - register as a wakeup source
Input: imx_keypad - remove ifdef round PM methods
Input: jornada720_ts - get rid of space indentation and use tab
Input: jornada720_ts - switch to using managed resources
Input: alps - Rushmore and v7 resolution support
Input: mcs5000_ts - remove ifdef around power management methods
Input: mcs5000_ts - protect PM functions with CONFIG_PM_SLEEP
Input: ads7846 - release resources on failure for clean exit
Input: wacom - add support for 0x12C ISDv4 sensor
Input: atmel_mxt_ts - use deep sleep mode when stopped
ARM: dts: am437x-gp-evm: Update binding for touchscreen size
...
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Prepare first round of input updates for 3.17.
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Putting the various MODULE_* makes them appear several times in modinfo
because wacom.h is used both in wacom_sys.c and wacom_wac.h.
Having the macros near the module declaration makes them appear only once.
Add also MODULE_VERSION(DRIVER_VERSION) to export the current version
number.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Bluetooth Wacom tablets are now handled by the regular wacom.ko driver.
Remove the now useless hid-wacom driver.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Tested-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Reviewed-by: Ping Cheng <pingc@wacom.com>
Tested-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Every call of wacom_set_report was passing "id" as a separate parameter
and buffer also passed the same information. We can use first u8 of the
buffer instead of "id"
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Tested-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Bluetooth Intuos 4 use 1-bit definition while the USB ones use a 4-bits
definition. This changes the size of the raw image we receive, and thus
the kernel will only accept 1-bit images for Bluetooth and 4-bits for
USB.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Tested-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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A good point of this change is that now, the Intuos4 bluetooth can handle
the different tools (artpen, airbrush, mice), and we get a common interface
between USB and BT for accessing the LEDs/OLEDs.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Tested-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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First, merge the Graphire BT tablet.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Tested-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Now that wacom is a hid driver, there is no point in having a separate
driver for bluetooth devices. This patch prepares the common paths of
Bluetooth devices in the common wacom driver. It also adds the sysfs file
"speed" used by Bluetooth devices.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Tested-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This is used by HID Bluetooth devices but also add some more information
to the USB Wireless Receiver.
We are just porting the bits from hid-wacom.c to the common driver here.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Przemo Firszt <przemo@firszt.eu>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The current implementation uses "wacom_battery" as a generic name for
batteries. This prevents us to have two Wacom devices with a battery
attached as the power system will complain about the name which is already
registered.
Use an incremental name for each battery attached.
Related bug:
https://sourceforge.net/p/linuxwacom/bugs/248/
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Przemo Firszt <przemo@firszt.eu>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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- Reports the current status of the battery (discharging, charging, full).
- Also notify the upower daemon when there is a change in the battery
value.
- keep the battery value as a percentage, not the raw value
- add WACOM_QUIRK_BATTERY to easily add a battery to a device (required
for Bluetooth devices)
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Przemo Firszt <przemo@firszt.eu>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This solves a bug with the wireless receiver:
- at plug, the wireless receiver does not know which Wacom device it is
connected to, so it does not actually creates all the LEDs
- when the tablet connects, wacom->wacom_wac.features.type is set to the
proper device so that wacom_wac can understand the packets
- when the receiver is unplugged, it detects that a LED should have been
created (based on wacom->wacom_wac.features.type) and tries to remove
it: crash when removing the sysfs group.
Side effect, we can now safely call several times wacom_destroy_leds().
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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wacom.ko is now a full HID driver, we have to move it into the proper
subdirectory: drivers/hid.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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All USB Wacom tablets are actually HID devices.
For historical reasons, they are handled as plain USB devices.
The current code makes more and more reference to the HID subsystem
like implementing its own HID report descriptor parser to handle new
devices.
From the user point of view, we can transparently switch from this state
to a driver handled in the HID subsystem and clean up a lot of USB specific
code in the wacom.ko driver.
The other benefit once the USB dependecies have been removed is that we can
use a tool like uhid to make regression tests and allow further cleanup or
new implementations without risking breaking current behaviors.
To match the current handling of devices in wacom_wac.c, we rely on the
hid_type set by usbhid. usbhid sets the hid_type to HID_TYPE_USBMOUSE when
it sees a USB boot mouse protocol declared and HID_TYPE_USBNONE when the
device is plain HID. There is thus a one to one matching between the list
of supported devices before and after the switch from USB to HID.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Jason Gerecke <killertofu@gmail.com>
Tested-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED updates from Bryan Wu:
"This cycle we got:
- a fix of attribute-creation race for the whole leds subsystem
- new drivers (HID:GT683R, leds-ipaq-micro)
- other fixing and clean up"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (23 commits)
leds: ipaq-micro: fix sparse non static symbol warning
leds: add driver for the iPAQ micro
Documentation: dts: tcs6507: Fix wrong statement about #gpio-cells
leds: convert blink timer to workqueue
leds:pca963x: Update for PCA9635 and correct statement about MODE2 OUTDRV default
leds:pca963x: Always initialize MODE2 register
leds:pca963x: Add support for PCA9635 LED driver chip
HID: gt683r: move mode attribute to led-class devices
HID: gt683r: fix race condition
HID: add support for MSI GT683R led panels
leds: lp55xx-common: fix attribute-creation race
leds: lp55xx-common: fix sysfs entry leak
input: lm8323: fix attribute-creation race
leds: wm831x-status: fix attribute-creation race
leds: ss4200: fix attribute-creation race
leds: ns2: fix attribute-creation race
leds: netxbig: fix attribute-creation race
leds: max8997: fix attribute-creation race
leds: lm3642: fix attribute-creation race
leds: lm355x: fix attribute-creation race
...
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Move led_mode attribute from HID device to led-class devices and
rename it mode. This will also fix race condition by using
attribute-groups.
(cooloney@gmai.com: fix a typo in commit message)
Signed-off-by: Janne Kanniainen <janne.kanniainen@gmail.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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This will fix race condition noticed by Oliver Neukum. Sysfs files are
created before mutex and work are initialized.
Signed-off-by: Janne Kanniainen <janne.kanniainen@gmail.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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This driver adds support for USB controlled led panels that exists in
MSI GT683R laptop
Signed-off-by: Janne Kanniainen <janne.kanniainen@gmail.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Adding USB_DEVICE_ID_STM_HID_SENSOR again in the quirk table. During 3.16 merge
cycle somehow quirk for device id USB_DEVICE_ID_STM_HID_SENSOR is missing.
I see commit dde3b45cd74e ("HID: hid-sensor-hub: new device id and quirk
for STM Sensor hub") added new id USB_DEVICE_ID_STM_HID_SENSOR_1,
but didn't really delete the old device id.
Anyway we need to add this back, otherwise it breaks ST sensor hubs.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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