| Commit message (Collapse) | Author | Age | Files | Lines |
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The dualshock 4 supports both analog sticks of which one uses
ABS_X/_Y and a touchpad. In a recent discussion with Dmitry about
some input-mt changes we proposed for disabling pointer emulation from
input_mt_sync_frame, Dmitry mentioned ABS_X/_Y should report the
same data as ABS_MT_POSITION_X/_Y. The current driver is mixing axes
for different subdevices. It was suggested to make the touchpad
its own sub-device.
This patch turns the touchpad into its own device. In addition
this patch also moves the button underneath the touchpad into
the new device. It felt like this button should be part of the
device. No known user space application (not even SDL2) seems to
be using it.
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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A previous patch moved most input initialization from sony_probe to
sony_input_configured to avoid some race conditions. The driver has some
special logic to prevent the device to get registered twice in case the
user connects it both over Bluetooth and USB. When this condition
happens sony_input_configured returns a failure, but sony_probe continues
as hid_hw_start doesn't fail. As was discussed on linux-input, it is
acceptable for this function to fail.
This patch adds a check for the HID_CLAIMED_INPUT flag within sony_probe
to determine whether initialization succeeded correctly. The flag is
not set by the HID layer when sony_input_configured fails.
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Support additional DS4 model.
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The motion sensor values are 16-bit, so make the value range match.
It is hard to reach the upper values, but they can be reached. At
least the current accelerometer value of 8192 is very easy to pass.
It is still not nice that the motion sensors live in no man's land
in between ABS_MISC and ABS_MT_SLOT, but that's something for another
time, which the proposed ABS_ACCEL_*/ABS_GYRO_* were meant for.
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Read the touch history field in the HID descriptor and use this value
to determine how many touch events to read from the report. As part
of this patch, we did a first attempt of making the offset calculation
code less magical.
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add a CRC value to each output report. This removes the need for the
'no output reports on interrupt end-point' quirk.
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Put the report type (feature / output) in the report size definitions.
This prevents name collisions later on for other different reports, which use
the same report id, but have a different size.
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Early on the sony_probe function calls hid_hw_start to start the hardware.
Afterwards it issues some hardware requests, initializes other functionality
like Force Feedback, power classes and others. However by the time
hid_hw_start returns, the device nodes have already been created, which leads
to a race condition by user space applications which may detect the device
prior to completion of initialization. We have observed this problem many
times, this patch fixes the problem.
This patch moves most of sony_probe to sony_input_configured, which is called
prior to device registration. This fixes the race condition and the same
approach is used in other HID drivers.
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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According to https://msdn.microsoft.com/en-us/library/windows/hardware/mt604195(v=vs.85).aspx
external buttons have some weird usage mapping:
- Button 2 Indicates Button State for external button for primary
(default left) clicking.
- Button 3 Indicates Button State for external button for secondary
(default right) clicking.
So in the current state, the buttons are mapped to right and middle.
Move the usage by one to correctly map the external buttons.
Tested-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We already have in place a quirk for Windows 8 devices, but it looks
like the Surface Cover are not conforming to it.
Given that we are only interested in 3 feature reports (the ones that
the Windows driver retrieves), we should be safe to unconditionally apply
the quirk to everybody.
In case there is an issue with a controller, we can always mark it as such
in the transport driver, and hid-multitouch won't try to retrieve the
feature report.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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There is no reasons to filter out keyboard and consumer control collections
in hid-multitouch.
With the previous hid-input fix, there is now a full support of the Type
Cover and we can remove all specific bits from hid-core and hid-microsoft.
hid-multitouch will automatically set HID_QUIRK_NO_INIT_REPORTS so we can
also remove it from the list of ushbid quirks.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The purpose of HID_QUIRK_MULTI_INPUT is to have an input device per
report id. This is useful when the HID device presents several HID
collections of different device types.
The current implementation of hid-input creates one input node per id per
type (input or output). This is problematic for the LEDs of a keyboard as
they are often set through an output report. The current code creates
one input node with all the keyboard keys, and one other with only the
LEDs.
To solve this, we use a two-passes way:
- first, we initialize all input nodes and associate one per report id
- then, we register all the input nodes
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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One more device requiring a quirk :/
Reported-by: Christian-Nils Boda <christian-nils.boda@gadz.org>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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One more device requiring a quirk :/
[jkosina@suse.cz: update comment based on Bastien's remark]
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add a new module named hid-mf that implements force feedback for game
controller adapters manufactured by Mayflash. Currently only the PS3 adapter is
supported, other adapters still need to be tested.
Signed-off-by: Marcel Hasler <mahasler@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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All known gamepad adapters by Mayflash (identified as Dragonrise) need
HID_QUIRK_MULTI_INPUT to split them up into four input devices. Without this
quirk those adapters are falsely recognized as tablets. Fixes bug 115841
(https://bugzilla.kernel.org/show_bug.cgi?id=115841).
Signed-off-by: Marcel Hasler <mahasler@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We have the %pU printf extension for doing exactly this. Saves some
.text, and is likely also a little faster.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
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>
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Although unlikely but it is possible that when a connect or disconnect
request is issued to the firmware, before the response comes, user
terminates the client session. In this case when the response is arrived
there is no matching client instance in the list of currently active
clients. In this case, don't issue call to wake up a waiting client.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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set_current_task() must be called before schedule_timeout(), for this
driver, in order to avoid incorrect usage, use msleep_interrupt()
instead.
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.cz>
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The macro timed_wait_for_timeout() only be used in one function, so move
this marco from header file and change it to a function in ipc.c, where
it is used.
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.cz>
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The macro timed_wait_for() in utils.h isn't used in current ipc
driver, so remove it for avoiding confusion.
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.cz>
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commit ba18a9314a94 ("Revert "HID: i2c-hid: Add support for ACPI GPIO
interrupts"") removed the need for storing the irq in struct i2c_hid.
But then commit de3c99488609 ("HID: i2c-hid: Disable IRQ before freeing
buffers") forgot to update the location of the irq.
Fix this by using the actual I2C client irq.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add a forgotten include that I've by mistake omitted when resolving
merge conflict in ead0687fe30 ("HID: i2c-hid: support regulator power
on/off").
Fixes: ead0687fe30 ("HID: i2c-hid: support regulator power on/off")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The HID report buffers that are initially allocated on i2c_hid_probe()
might not be big enough to hold the HID reports from a specific device,
in which case they will be freed and new ones will be allocated in
i2c_hid_start(), at point which the device's report size is known. But
at this point ihid->irq is already running, and may call
i2c_hid_get_input() which passes ihid->inbuf to i2c_master_recv(). Since
this handler runs in a separate thread, ihid->inbuf may be freed at this
very moment, and i2c_master_recv() will write on memory which may be
already owned by a different part of the kernel, corrupting its data.
This problem has been observed on an Asus UX360UA laptop which has an
I2C touchpad, and results in a complete system freeze or an unusable
slowness with a lof of "BUG: unable to handle kernel paging request at
<address>" warnings. Enabling SLUB debugging shows a use-after-free
warning on memory allocated in i2c_hid_alloc_buffers() and freed in
i2c_hid_free_buffers():
=============================================================================
BUG kmalloc-64 (Not tainted): Poison overwritten
-----------------------------------------------------------------------------
Disabling lock debugging due to kernel taint
INFO: 0xffff880264083273-0xffff88026408329e. first byte 0x0 instead of 0x6b
INFO: Allocated in i2c_hid_alloc_buffers+0x25/0xa0 [i2c_hid] age=35793 cpu=2 pid=430
___slab_alloc+0x41e/0x460
__slab_alloc+0x20/0x40
__kmalloc+0x210/0x280
i2c_hid_alloc_buffers+0x25/0xa0 [i2c_hid]
i2c_hid_probe+0x12f/0x5e0 [i2c_hid]
i2c_device_probe+0x10a/0x1b0
driver_probe_device+0x220/0x4a0
__device_attach_driver+0x71/0xa0
bus_for_each_drv+0x67/0xb0
__device_attach+0xdc/0x170
device_initial_probe+0x13/0x20
bus_probe_device+0x92/0xa0
device_add+0x4aa/0x670
device_register+0x1a/0x20
i2c_new_device+0x18e/0x230
acpi_i2c_add_device+0x1a0/0x210
INFO: Freed in i2c_hid_free_buffers+0x16/0x60 [i2c_hid] age=7552 cpu=1 pid=1473
__slab_free+0x221/0x330
kfree+0x139/0x160
i2c_hid_free_buffers+0x16/0x60 [i2c_hid]
i2c_hid_start+0x2a9/0x2df [i2c_hid]
mt_probe+0x160/0x22e [hid_multitouch]
hid_device_probe+0xd7/0x150 [hid]
driver_probe_device+0x220/0x4a0
__driver_attach+0x84/0x90
bus_for_each_dev+0x6c/0xc0
driver_attach+0x1e/0x20
bus_add_driver+0x1c3/0x280
driver_register+0x60/0xe0
__hid_register_driver+0x53/0x90 [hid]
0xffffffffc004f01e
do_one_initcall+0xb3/0x1f0
do_init_module+0x5f/0x1d0
INFO: Slab 0xffffea0009902080 objects=20 used=20 fp=0x (null) flags=0x17fff8000004080
INFO: Object 0xffff880264083260 @offset=4704 fp=0x (null)
Bytes b4 ffff880264083250: 8d e6 fe ff 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ
Object ffff880264083260: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
Object ffff880264083270: 6b 6b 6b 00 00 00 00 00 00 00 00 00 00 00 00 00 kkk.............
Object ffff880264083280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
Object ffff880264083290: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
Redzone ffff8802640832a0: bb bb bb bb bb bb bb bb ........
Padding ffff8802640833e0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
CPU: 1 PID: 1503 Comm: python3 Tainted: G B 4.4.21+ #10
Hardware name: ASUSTeK COMPUTER INC. UX360UA/UX360UA, BIOS UX360UA.200 05/05/2016
0000000000000086 00000000622d48a2 ffff88026061ba38 ffffffff813f6044
ffff880264082010 ffff880264083260 ffff88026061ba78 ffffffff811e8eab
0000000000000008 ffff880200000001 ffff88026408329f ffff88026a007700
Call Trace:
[<ffffffff813f6044>] dump_stack+0x63/0x8f
[<ffffffff811e8eab>] print_trailer+0x14b/0x1f0
[<ffffffff811e94c1>] check_bytes_and_report+0xc1/0x100
[<ffffffff811e96c4>] check_object+0x1c4/0x240
[<ffffffff81293fde>] ? ext4_htree_store_dirent+0x3e/0x120
[<ffffffff811e9b44>] alloc_debug_processing+0x104/0x180
[<ffffffff811eb7be>] ___slab_alloc+0x41e/0x460
[<ffffffff81293fde>] ? ext4_htree_store_dirent+0x3e/0x120
[<ffffffff8124590b>] ? __getblk_gfp+0x2b/0x60
[<ffffffff8129b969>] ? ext4_getblk+0xa9/0x190
[<ffffffff811eb820>] __slab_alloc+0x20/0x40
[<ffffffff811ed320>] __kmalloc+0x210/0x280
[<ffffffff81293fde>] ? ext4_htree_store_dirent+0x3e/0x120
[<ffffffff812c1602>] ? ext4fs_dirhash+0xc2/0x2a0
[<ffffffff81293fde>] ext4_htree_store_dirent+0x3e/0x120
[<ffffffff812a4f47>] htree_dirblock_to_tree+0x187/0x1b0
[<ffffffff812a5fd2>] ext4_htree_fill_tree+0xb2/0x2e0
[<ffffffff811ebb7a>] ? kmem_cache_alloc_trace+0x1fa/0x220
[<ffffffff81293e45>] ? ext4_readdir+0x775/0x8b0
[<ffffffff81293cb1>] ext4_readdir+0x5e1/0x8b0
[<ffffffff81221c82>] iterate_dir+0x92/0x120
[<ffffffff81222118>] SyS_getdents+0x98/0x110
[<ffffffff81221d10>] ? iterate_dir+0x120/0x120
[<ffffffff818157f2>] entry_SYSCALL_64_fastpath+0x16/0x71
FIX kmalloc-64: Restoring 0xffff880264083273-0xffff88026408329e=0x6b
FIX kmalloc-64: Marking all objects used
Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Instead of forcing the level trigger of the IRQ, we can count
on ACPI or OF to set it up for us.
The first release of the HID over I2C specification mentioned
that the level trigger needed to be active low. In the latest
version of the specification, there is no such explicit mention,
so it's better to not assume one.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Certain devices produced by Weida Tech need to have a wakeup command sent to
them before powering on. The call itself will come back with error, but the
device can be powered on afterwards.
[jkosina@suse.cz: rewrite changelog]
[jkosina@suse.cz: remove unused device ID addition]
Signed-off-by: HungNien Chen <hn.chen@weidahitech.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When i2c-core doesn't find the IRQ associated to the GPIO because
the gpiochip is not available, it assigns -EPROBE_DEFER to the irq.
We need to bail out there and on any other error in an IRQ.
Signed-off-by: David Arcari <darcari@redhat.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This reverts commit a485923efbb8 ("HID: i2c-hid: Add support for ACPI
GPIO interrupts") and commit a7d2bf25a483 ("HID: i2c-hid: Do not fail
probing if gpiolib is not enabled") at the same time.
Since commit c884fbd45214 ("gpio / ACPI: Add support for retrieving
GpioInt resources from a device") i2c_core already set the IRQ by
looking into the ACPI tree and retrieving the gpioInt. So we just
have some boiler-plate here that is not needed anymore.
The only downside effect here is that now we are not exiting early
enough if the irq is set to -EPROBE_DEFER or any other error, but
this is going to be fixed in the following patch.
Signed-off-by: David Arcari <darcari@redhat.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Since the gpio-as-irq support has been added, the driver now depends
on proper support being available in gpiolib.
Fixes: 13de9cca514e ("HID: cp2112: add IRQ chip handling")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The GPIO part doesn't provide interrupts when GPIO are toggled.
So use a polling mechanism if someone requests a GPIO as an IRQ.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Update the hid-asus module to add multitouch support for the Asus i2c touchpad.
This patch aims to resolve the issue raised here:
https://bugzilla.kernel.org/show_bug.cgi?id=120181
The issue is in relation to an Asus touchpad device which currently does not
have multitouch support.
The device currently falls through to the hid-generic driver which
treats the device as a mouse.
This patch aims to add the multitouch support.
[jkosina@suse.cz: move most of the 'patch comment' into actual changelog]
[jkosina@suse.cz: drop hunk that changes ->name of the driver]
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Brendan McGrath <redmcg@redmandi.dyndns.org>
Signed-off-by: Victor Vlasenko <victor.vlasenko@sysgears.com>
Signed-off-by: Frederik Wenigwieser <frederik.wenigwieser@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When user tried to read some fields like hysteresis from IIO sysfs on some
systems, it fails. The reason is that this field is a byte field and caller
of sensor_hub_get_feature() passes a buffer of 4 bytes. Here the function
sensor_hub_get_feature() copies the single byte from the report to the
caller buffer and returns "1" as the number of bytes copied. So caller
can use the return value.
But this is done by multiple callers, so if we just change the
sensor_hub_get_feature so that caller buffer is initialized with 0s
then we don't to change all functions.
Signed-off-by: Song Hongyan <hongyan.song@intel.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Kernel v4.9 strictly enforces DMA capable buffers, so we need to remove
buffers allocated on the stack.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Kernel v4.9 strictly enforces DMA capable buffers, so we need to remove
buffers allocated on the stack.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Kernel v4.9 strictly enforces DMA capable buffers, so we need to remove
buffers allocated on the stack.
[jkosina@suse.cz: fix up second usage of hid_hw_raw_request(), spotted by
0day build bot]
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Kernel v4.9 strictly enforces DMA capable buffers, so we need to remove
buffers allocated on the stack.
Use a spinlock to prevent concurrent accesses to the buffer.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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User is unable to access to input-X-yyy and feature-X-yyy where
X is a hex value and more than 9 (e.g. input-a-yyy, feature-b-yyy) in HID
sensor custom sysfs interface.
This is because when creating the attribute, the attribute index is
written to using %x (hex). However, when reading and writing values into
the attribute, the attribute index is scanned using %d (decimal). Hence,
user is unable to access to attributes with index in hex values
(e.g. 'a', 'b', 'c') but able to access to attributes with index in
decimal values (e.g. 1, 2, 3,..).
This fix will change input-%d-%x-%s and feature-%d-%x-%s to input-%x-%x-%s
and feature-%x-%x-%s in show_values() and store_values() accordingly.
Signed-off-by: Ooi, Joyce <joyce.ooi@intel.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>
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On some platforms ISH interrupt is shared, which causes request_irq to
fail. This requires IRQF_SHARED irq flag.
But IRQF_NO_SUSPEND and IRQF_SHARED should not be used together, so
removed IRQF_NO_SUSPEND flag. Anyway this driver doesn't require
IRQF_NO_SUSPEND, as this interrupt is not required during "noirq" phases
of suspending and resuming devices as well as during the time when
nonboot CPUs are taken offline and brought back online.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When built as a module, modprobe followed by rmmod can fail because
DMA was still active. So to fix this, DMA needs to be disabled during
module exit.
This change disables DMA during modules exit and change the ISH PCI
device status to D3.
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.cz>
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Add a new function ish_disable_dma() and move DMA disable operations
here, so that this functionality can be reused.
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.cz>
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Same operations are done in ish_hw_start() and _ish_hw_reset() to
wakeup ISH device. Consolidate them by introducing a new function
ish_wakeup() and move the code there.
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.cz>
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Like many similar devices it needs a quirk to work.
Issuing the request gets the device into an irrecoverable state.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
CC: stable@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Fix
drivers/hid/intel-ish-hid/ipc/pci-ish.c:247:12: warning: ‘ish_suspend’ defined but not used [-Wunused-function]
static int ish_suspend(struct device *device)
^
drivers/hid/intel-ish-hid/ipc/pci-ish.c:282:12: warning: ‘ish_resume’ defined but not used [-Wunused-function]
static int ish_resume(struct device *device)
^
by sticking them in the CONFIG_PM range too.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: Wei Yongjun <weiyongjun1@huawei.com>
Cc: linux-input@vger.kernel.org
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When report count is more than one and report size is not 4 bytes, then we
need some packing into result buffer from the caller of function
sensor_hub_get_feature.
By default the value extracted from a field is 4 bytes from hid core
(using hid_hw_request(hsdev->hdev, report, HID_REQ_GET_REPORT)), even
if report size if less than 4 byte. So when we copy data to user buffer in
sensor_hub_get_feature, we need to only copy report size bytes even
when report count is more than 1. This is
not an issue for most of the sensor hub fields as report count will be 1
where we already copy only report size bytes, but some string fields
like description, it is a problem as the report count will be more than 1.
For example:
Field(6)
Physical(Sensor.OtherCustom)
Application(Sensor.Sensor)
Usage(11)
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Report Size(16)
Report Count(11)
Here since the report size is 2 bytes, we will have 2 additional bytes of
0s copied into user buffer, if we directly copy to user buffer from
report->field[]->value
This change will copy report size bytes into the buffer of caller for each
usage report->field[]->value. So for example without this change, the
data displayed for a custom sensor field "sensor-model":
76 00 101 00 110 00 111 00 118 00 111
(truncated to report count of 11)
With change
76 101 110 111 118 111 32 89 111 103 97
("Lenovo Yoga" in ASCII )
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The Akai MIDImix (09e8:0031) is a MIDI fader controller that speaks
regular MIDI and works well with Linux. However, initialization gets
delayed due to reports timeout:
[3643645.631124] hid-generic 0003:09E8:0031.0020: timeout initializing reports
[3643645.632416] hid-generic 0003:09E8:0031.0020: hiddev0: USB HID v1.11 Device [AKAI MIDI Mix] on usb-0000:00:14.0-2/input0
Adding "usbhid.quirks=0x09e8:0x0031:0x20000000" on the kernel
command line makes the issues go away.
Signed-off-by: Steinar H. Gunderson <sgunderson@bigfoot.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This reverts commit 18339f59c3a6 ("HID: dragonrise: fix HID...") because it
breaks certain dragonrise 0079:0006 gamepads. While it may fix a breakage
caused by commit 79346d620e9d ("HID: input: force generic axis to be mapped
to their user space axis"), it is probable that the manufacturer released
different hardware with the same PID so this fix works for only a subset
and breaks the other gamepads sharing the PID.
What is needed is another more generic solution which fixes 79346d620e9d
("HID: input: force generic axis ...") breakage for this controller: we
need to add an exception for this driver to make it keep the old behaviour
previous to the initial breakage (this is done in patch 2 of this series).
Signed-off-by: Ioan-Adrian Ratiu <adi@adirat.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Commit 79346d620e9d ("HID: input: force generic axis to be mapped to their
user space axis") made mapping generic axes to their userspace equivalents
mandatory and some lower end gamepads which were depending on the previous
behaviour suffered severe regressions because they were reusing axes and
expecting hid-input to multiplex their map to the respective userspace axis
by always searching for and using the next available axis.
One solution is to add a hid quirk for this type of "previous" behaviour in
hid-input to bypass the new axes policy in favour of the old one, but since
only one hardware vendor seems to be affected negatively we're better off
making and exception and mapping in the driver for now; if more vendors or
drivers turn out to experience the problem we should reconsider the quirk
solution.
Signed-off-by: Ioan-Adrian Ratiu <adi@adirat.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The hid-led driver works fine under 4.8.0, however with the next
kernel from today I get this:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2578 at drivers/usb/core/hcd.c:1584 usb_hcd_map_urb_for_dma+0x373/0x550 [usbcore]
transfer buffer not dma capable
Modules linked in: hid_led(+) usbhid vfat fat ir_sony_decoder iwlmvm led_class mac80211 snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal iwlwifi crc32c_intel snd_hda_codec_hdmi i2c_i801 i2c_smbus snd_hda_intel cfg80211 snd_hda_codec snd_hda_core snd_pcm r8169 snd_timer mei_me mii snd mei ir_lirc_codec lirc_dev nuvoton_cir rc_core btusb btintel bluetooth rfkill usb_storage efivarfs ipv6 ehci_pci ehci_hcd xhci_pci xhci_hcd usbcore usb_common ext4 jbd2 mbcache ahci libahci libata
CPU: 0 PID: 2578 Comm: systemd-udevd Not tainted 4.8.0-rc8-next-20161003 #1
Hardware name: ZOTAC ZBOX-CI321NANO/ZBOX-CI321NANO, BIOS B246P105 06/01/2015
ffffc90003dbb7e0 ffffffff81280425 ffffc90003dbb830 0000000000000000
ffffc90003dbb820 ffffffff8105b086 0000063003dbb800 ffff88006f374480
0000000000000000 0000000000000000 0000000000000001 ffff880079544000
Call Trace:
[<ffffffff81280425>] dump_stack+0x68/0x93
[<ffffffff8105b086>] __warn+0xc6/0xe0
[<ffffffff8105b0ea>] warn_slowpath_fmt+0x4a/0x50
[<ffffffffa0143a43>] usb_hcd_map_urb_for_dma+0x373/0x550 [usbcore]
[<ffffffffa01441b6>] usb_hcd_submit_urb+0x316/0x9c0 [usbcore]
[<ffffffff810bce80>] ? rcu_read_lock_sched_held+0x40/0x80
[<ffffffff810e0043>] ? module_assert_mutex_or_preempt+0x13/0x50
[<ffffffff810e0c07>] ? __module_address+0x27/0xf0
[<ffffffffa01456e4>] usb_submit_urb+0x2c4/0x520 [usbcore]
[<ffffffffa0145fea>] usb_start_wait_urb+0x5a/0xe0 [usbcore]
[<ffffffffa014612c>] usb_control_msg+0xbc/0xf0 [usbcore]
[<ffffffff810e0c07>] ? __module_address+0x27/0xf0
[<ffffffffa079a724>] usbhid_raw_request+0xa4/0x180 [usbhid]
[<ffffffffa07a93b1>] hidled_recv+0x71/0xe0 [hid_led]
[<ffffffffa07a947d>] thingm_init+0x2d/0x50 [hid_led]
[<ffffffffa07a969b>] hidled_probe+0xcb/0x24a [hid_led]
[<ffffffff814d96f2>] hid_device_probe+0xd2/0x150
[<ffffffff8146023d>] driver_probe_device+0x1fd/0x2c0
[<ffffffff8146039a>] __driver_attach+0x9a/0xa0
[<ffffffff81460300>] ? driver_probe_device+0x2c0/0x2c0
[<ffffffff8145e25d>] bus_for_each_dev+0x5d/0x90
[<ffffffff8145fa79>] driver_attach+0x19/0x20
[<ffffffff8145f5ff>] bus_add_driver+0x11f/0x220
[<ffffffffa07ac000>] ? 0xffffffffa07ac000
[<ffffffff8146086b>] driver_register+0x5b/0xd0
[<ffffffffa07ac000>] ? 0xffffffffa07ac000
[<ffffffff814d83d1>] __hid_register_driver+0x61/0xa0
[<ffffffffa07ac01e>] hidled_driver_init+0x1e/0x20 [hid_led]
[<ffffffff81000408>] do_one_initcall+0x38/0x150
[<ffffffff810bce80>] ? rcu_read_lock_sched_held+0x40/0x80
[<ffffffff81194ca0>] ? kmem_cache_alloc_trace+0x1d0/0x230
[<ffffffff811342f9>] do_init_module+0x5a/0x1cb
[<ffffffff810e3862>] load_module+0x1e42/0x2530
[<ffffffff810e0990>] ? __symbol_put+0x50/0x50
[<ffffffff810dfc50>] ? show_coresize+0x30/0x30
[<ffffffff811ad650>] ? kernel_read_file+0x100/0x190
[<ffffffff811ad794>] ? kernel_read_file_from_fd+0x44/0x70
[<ffffffff810e415a>] SYSC_finit_module+0xba/0xc0
[<ffffffff810e4179>] SyS_finit_module+0x9/0x10
[<ffffffff815e082a>] entry_SYSCALL_64_fastpath+0x18/0xad
---[ end trace c9e6ea27003ecf9e ]---
Fix this by using a kmalloc'ed buffer when calling hid_hw_raw_request.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.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 updates from Jiri Kosina:
- Integrated Sensor Hub support (Cherrytrail+) from Srinivas Pandruvada
- Big cleanup of Wacom driver; namely it's now using devres, and the
standardized LED API so that libinput doesn't need to have root
access any more, with substantial amount of other cleanups
piggy-backing on top. All this from Benjamin Tissoires
- Report descriptor parsing would now ignore and out-of-range System
controls in case of the application actually being System Control.
This fixes quite some issues with several devices, and allows us to
remove a few ->report_fixup callbacks. From Benjamin Tissoires
- ... a lot of other assorted small fixes and device ID additions
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (76 commits)
HID: add missing \n to end of dev_warn messages
HID: alps: fix multitouch cursor issue
HID: hid-logitech: Documentation updates/corrections
HID: hid-logitech: Improve Wingman Formula Force GP support
HID: hid-logitech: Rewrite of descriptor for all DF wheels
HID: hid-logitech: Compute combined pedals value
HID: hid-logitech: Add combined pedal support Logitech wheels
HID: hid-logitech: Introduce control for combined pedals feature
HID: sony: Update copyright and add Dualshock 4 rate control note
HID: sony: Defer the initial USB Sixaxis output report
HID: sony: Relax duplicate checking for USB-only devices
Revert "HID: microsoft: fix invalid rdesc for 3k kbd"
HID: alps: fix error return code in alps_input_configured()
HID: alps: fix stick device not working after resume
HID: support for keyboard - Corsair STRAFE
HID: alps: Fix memory leak
HID: uclogic: Add support for UC-Logic TWHA60 v3
HID: uclogic: Override constant descriptors
HID: uclogic: Support UGTizer GP0610 partially
HID: uclogic: Add support for several more tablets
...
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