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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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
This reverts commit 18339f59c3 ("HID: dragonrise: fix HID...") because it
breaks certain dragonrise 0079:0006 gamepads. While it may fix a breakage
caused by commit 79346d620e ("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 79346d620e
("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>
Commit 79346d620e ("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>
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
...
Issue reproduction procedure:
1. three or more fingers put on Touchpad.
2. release fingers from Touchpad.
3. move the cursor by one finger.
4. the cursor does not move.
Cause:
We do not notify multi fingers state correctly to input subsystem. For
example, when three fingers release from Touchpad, fingers state is 3 -> 0. It
needs to notify first, second and third finger's releasing state.
Fix this by not breaking out on z axis and move x,y,z input handling
code to the correct place so that it's in fact per-finger.
[jkosina@suse.cz: reword changelog]
Signed-off-by: Masaki Ota <masaki.ota@jp.alps.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Move ForceFeedback support for the Formula Force GP into hid-lgff4
and re-write HID descriptor, thus allowing combined pedals or not
as user desires.
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Rewrite the HID descriptor for _all_ Driving Force wheels (real
or emulated) so that they can report separate Accelerator and
Brake axis.
If the user wants a combined accel/brake axis, they can use the
'combined pedals' feature.
$ echo 1 > /sys/bus/hid/devices/<device-id>/combine_pedals
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add support for computing a combined accelerator/brake axis for wheels
which don't contain combined data in their HID stream.
This includes DFGT, G25, G27, G29 and Wii-Wheel.
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add support for reporting a combined accelerator/brake axis for wheels
which contain combined data in their HID stream.
This includes DF, MOMO, MOMO2 and DFP.
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Introduce a dev_attr which can be used to combine the accelerator
and brake pedals into a single axis. This is useful for older games
which can not handle seperate accelerator and brake.
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Update the copyright notice with the current year and add a note
about values for controlling the Dualshock 4 reporting rate.
Processing reports at the default full rate of 1000hz can be too
demanding for some low-power embedded processors so noting
alternate values for people working with this hardware can be useful.
Thanks to Rostislav Pehlivanov for finding these values.
Signed-off-by: Frank Praznik <frank.praznik@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
When initially connected via USB the Sixaxis isn't fully initialized
until the PS logo button is pressed and won't send any input reports
nor will any state set by output reports be retained.
This adds a 'defer_initialization' flag to the sony_sc struct which,
when set, will delay sending any output reports until the first input
report has arrived. This flag is used with the USB Sixaxis to ensure
that any state sent will persist since, until the PS button is pushed,
any changes sent to the controller via an output report will be lost
after a couple of seconds.
The initial state of the controller is still configured at the time
of the initial connection and won't be internally modified after that,
so any state set by the user between that time and the recepit of the
first input report won't be lost.
Signed-off-by: Frank Praznik <frank.praznik@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Some USB-only devices which masquerade as Sixaxis controllers report the
same generic Bluetooth address for all hardware when queried via the HID
report. This causes these devices to be wrongly rejected as duplicates
when more than one is connected at once.
This introduces a connection type comparison when checking for duplicates
and only rejects the newly connected device if the existing matching
device is connected using a different connection protocol.
The results of the connection type comparison are also used when
registering power supply info as the device Bluetooth address is used
as the unique identifier string. In cases where more than one valid
device has the same Bluetooth address the device ID is now appended
to the power supply name string to avoid name collisions when
registering the power supply information.
Signed-off-by: Frank Praznik <frank.praznik@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This reverts commit 3ccc60f9d8.
While investigating bug https://bugzilla.kernel.org/show_bug.cgi?id=37982 ,
there was solid evidences that Microsoft reused the same report
descriptor for the its Digital Media keyboard series.
Since 1989dad "HID: input: ignore System Control application usages if not
System Controls", the keyboard series do not produce a spurious joystick
input device inode without needing to patch the problematic report
descriptor. As such the MS_RDESC_3K reportdescriptor fixup can be removed.
Signed-off-by: Michel Hermier <michel.hermier@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
While at it, remove redundant input_free_device(NULL) call.
[jkosina@suse.cz: ammend changelog]
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The stick device does not work after resume, add U1_SP_ABS_MODE flag can
make the device work after resume.
This has been discovered by pure guesswork, based on how the existing code uses
U1_TP_ABS_MODE flag on both initialization and resume.
I also tested the the patch on an ALPS touchpad without stick device, did not
notice any side effect on suspend/resume, so I made the U1_SP_ABS_MODE flag
mandatory.
[jkosina@suse.cz: made changelog more verbose]
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add quirk for Corsair STRAFE keyboard, similarly to what we've been
doing for other CORSAIR devices already, in order to avoid long delays
during boot.
[jkosina@suse.cz: reword changelog a little bit]
Signed-off-by: Marian Krivos <marian.krivos@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
A kfree(readbuf) call was missed if hid_hw_raw_request() fails, fix it.
Also avoid mixing direct return with goto in the error paths.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add support for the third version of UC-Logic TWHA60, which has
three interfaces and responds to initialization.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Make uclogic_report_fixup override constant descriptors with generated
descriptors, so models reusing product ID, but working with generated
descriptor get correct one.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add partial support for the UGTizer GP0610 tablet (aka iBall PF1064U,
aka UGTizer GT1060) to the hid-uclogic.c driver.
The pen input is supported fully, but frame buttons and wheel don't work
yet.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Based on a patch from: Nikolai Kondrashov <Nikolai.Kondrashov@redhat.com>
Enable abstract keyboard mode for Huion tablets, which makes them report
frame buttons using the pen interface and report ID. Divert these
reports to a virtual report ID describing them.
This makes the tablet compatible with xf86-input-wacom and libinput,
but stops the frame buttons from reporting keyboard events.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Remove unnecessary allocation failure messages from hid-uclogic.c,
following the checkpatch.pl recommendations.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add a dedicated, fixed report descriptor for the second version of KYE
MousePen i608X graphics tablet. The descriptor fixes pressure and
drawing area ranges.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Rename the device ID macro for the second version of KYE MousePen i608x
graphics tablet to have "V" in its name to signify that "2" is a
version.
I.e. USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2 ->
USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2
This also makes applying additional fixes from DIGImend easier.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Remove comments with broken links to tablet descriptions from
hid-kye/uclogic/waltop drivers.
They pointed to now dead DIGImend project wiki at sf.net. Even though
the DIGImend project still hosts descriptions, now at
digimend.github.io, it's better to avoid them going stale again, and let
anyone interested search the web instead.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Microsoft is reusing its report descriptor again and again, and part of it
looks like this:
0x05, 0x01, // Usage Page (Generic Desktop) 299
0x09, 0x80, // Usage (System Control) 301
0xa1, 0x01, // Collection (Application) 303
0x85, 0x03, // Report ID (3) 305
0x19, 0x00, // Usage Minimum (0) 307
0x29, 0xff, // Usage Maximum (255) 309
0x15, 0x00, // Logical Minimum (0) 311
0x26, 0xff, 0x00, // Logical Maximum (255) 313
0x81, 0x00, // Input (Data,Arr,Abs) 316
0xc0, // End Collection 318
While there is nothing wrong in term of processing, we do however blindly
map the full usage range (it's an array) from 0x00 to 0xff, which creates
some interesting axis, like ABS_X|Y, and a bunch of ABS_MISC + n.
While libinput and other stacks don't care that much (we can detect them),
joydev is very happy and attaches itself to the mouse or keyboard.
The problem is that joydev now handles the device as a joystick, but given
that we have a HID array, it sets all the ABS_* values to 0. And in its
world, 0 means -32767 (minimum value), which sends spurious events to games
(think Steam).
It looks like hid-microsoft tries to tackle the very same problem with its
.report_fixup callback. But fixing the report descriptor is an endless task
and is quite obfuscated.
So take the hammer, and decide that if the application is meant to be
System Control, any other usage not in the System Control range should
be ignored.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1325354
Link: https://bugzilla.kernel.org/show_bug.cgi?id=28912
Link: https://github.com/ValveSoftware/steam-for-linux/issues/3384
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1325354
Link: https://bugzilla.kernel.org/show_bug.cgi?id=37982
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Many modules call misc_register and misc_deregister in its module init
and exit methods without any additional code. This ends up being
boilerplate. This patch adds helper macro module_misc_device(), that
replaces module_init()/ module_exit() with template functions.
This patch also converts drivers to use new macro.
Change since v1:
Add device.h include in miscdevice.h as module_driver macro was not
available from other include files in some architectures.
Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use kzalloc rather than kmalloc followed by memset with 0.
Generated by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Use the module_pci_driver() macro to make the code simpler
by eliminating module_init and module_exit calls.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
