| Commit message (Collapse) | Author | Age |
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'bugzilla-7186', 'bugzilla-8269', 'bugzilla-8570', 'bugzilla-9139', 'bugzilla-9277', 'bugzilla-9341', 'bugzilla-9444', 'bugzilla-9614', 'bugzilla-9643' and 'bugzilla-9644' into release
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In function acpi_system_write_alarm in file drivers/acpi/sleep/proc.c,
big sec, min, hr, mo, day and yr are counted twice to get reasonable
values, that is very superfluous, we can do that only once.
In additon, /proc/acpi/alarm can set a related value which can be
specified as YYYY years MM months DD days HH hours MM minutes SS
senconds, it isn't a date, so you can specify as +0000-00-00 96:00:00
, that means 3 days later, current code can't handle such a case.
This patch removes unnecessary code and does with the aforementioned
situation.
Before applying this patch:
[root@localhost /]# cat /proc/acpi/alarm
2007-12-00 00:00:00
[root@localhost /]# echo "0000-00-00 96:180:180" > /proc/acpi/alarm
[root@localhost /]# cat /proc/acpi/alarm
0007-12-02 **:**:**
[root@localhost /]#
After applying this patch:
[root@localhost ~]# echo "2007-12-00 00:00:00" > /proc/acpi/alarm
[root@localhost ~]# cat /proc/acpi/alarm
2007-12-00 00:00:00
[root@localhost ~]# echo "0000-00-00 96:180:180" > /proc/acpi/alarm
[root@localhost ~]# cat /proc/acpi/alarm
0007-12-04 03:03:00
[root@localhost ~]#
Signed-off-by: Yi Yang <yi.y.yang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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/proc/acpi/alarm can't be set correctly, here is a sample:
[root@localhost /]# echo "2006 09" > /proc/acpi/alarm
[root@localhost /]# cat /proc/acpi/alarm
2007-12-09 09:09:09
[root@localhost /]# echo "2006 04" > /proc/acpi/alarm
[root@localhost /]# cat /proc/acpi/alarm
2007-12-04 04:04:04
[root@localhost /]#
Obviously, it is wrong, it should consider it as an invalid input.
after this patch:
[root@localhost /]# echo "2008 09" > /proc/acpi/alarm
-bash: echo: write error: Invalid argument
[root@localhost /]#
Signed-off-by: Yi Yang <yi.y.yang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Vendors often ship machines with a choice of integrated or discrete
graphics, and use the same DSDT for both. As a result, the ACPI video
module will locate devices that may not exist on this specific platform.
Attempt to determine whether the device exists or not, and abort the
device creation if it doesn't.
http://bugzilla.kernel.org/show_bug.cgi?id=9614
Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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ACPI tables follow a tree structure in memory.
The root of the tree is the RSDP (Root System Description Pointer).
To find the RSDP, the OS searches for the signature "RSD PTR "
in well known physical memory locations. Then the OS computes
a table checksum to verify that the signature is really part
of a valid table header.
Some systems have a proper signature but an invalid checksum;
followed elsewhere by a proper signature with valid checksum.
http://bugzilla.kernel.org/show_bug.cgi?id=9444
The Linux RSDP scanning code bailed out on those systems
and as a result they booted with ACPI disabled.
Fix this by deleting the Linux RSDP scanning code and
plugging in the ACPICA RSDP scanning code.
Signed-off-by: Len Brown <len.brown@intel.com>
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Burst mode temporary (50 ms) locks EC to do only transactions with
driver, without it some hardware returns abstract garbage.
Reference: http://bugzilla.kernel.org/show_bug.cgi?id=9341
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Specification allows only byte access for EC region, so
make it separate from bug-compatible multi-byte access.
Also do not allow return of garbage in supplied *value.
Reference: http://bugzilla.kernel.org/show_bug.cgi?id=9341
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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The sysfs backlight class provides no mechanism for querying the
acceptable brightness for a backlight. The ACPI spec states that values
are only valid if they are reported as available by the firmware. Since
we can't provide that information to userspace, instead collapse the
range to the number of actual values that can be set.
http://bugzilla.kernel.org/show_bug.cgi?id=9277
Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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module parameter is used to prevent the thermal_zone action upon
critical trip points.
But exporting this notification to userspace is still useful.
By setting nocrt with this patch applied, ACPI will take no action
but exporting the events to userspace upon critical/hot trip points.
http://bugzilla.kernel.org/show_bug.cgi?id=9139
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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ACPI Exception (acpi_processor-0677): AE_NOT_FOUND, Processor Device is not
present [20060707]
According to the ACPI spec 6.3.7,
"If a device object (including the processor object) does not have an
_STA object, then OSPM assumes that all of the above bits are set,
(in other words, the device is present, enabled, shown in the UI
and funtioning)".
is_processor_present shoud return 1 if the processor device object exists
while it doesn't have an _STA object.
http://bugzilla.kernel.org/show_bug.cgi?id=8570
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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PNP_WRITE requires protocol supports .set. If ACPI doesn't support _SRS, .set ismeanless, so PNP_WRITE.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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For P4 model < 2, The MSR_FBC_REGISTER_ID ratio is undefined.
Revert the commit that was added to handle that case,
as it results in random MHz displayed. Something else will
have to be done to properly handle model < 2.
//commit 3e4159ab35c88aef5e063ba78796b277b762a30a
//Author: matthias.christian <matthias.christian>
//Date: Sat Feb 5 23:09:38 2005 +0000
//
// [PATCH] speedstep-lib.c: fix frequency multiplier for Pentium4 models 0&1
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// The Pentium4 models 0&1 have a longer MSR_EBC_FREQUENCY_ID register as the
// models 2&3, so the bit shift must be bigger.
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// Signed-off-by: Matthias-Christian Ott <matthias.christian@tiscali.de>
// Signed-off-by: Dominik Brodowski <linux@brodo.de>
// Signed-off-by: Andrew Morton <akpm@osdl.org>
// Signed-off-by: Linus Torvalds <torvalds@osdl.org>
//
// BKrev: 42055232eWM-NgjhZVir44mp5GXktQ
http://bugzilla.kernel.org/show_bug.cgi?id=7186
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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According to http://bugzilla.kernel.org/show_bug.cgi?id=6933
The latest BIOS for the P2B-S works fine.
Remove it from the blacklist.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Len Brown <len.brown@intel.com>
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Add debug tracing support during certain AML method execution.
Four more module parameters are created under /sys/module/acpi/parameters/:
trace_method_name: the AML method name that user wants to trace
trace_debug_layer: the temporary debug_layer used when tracing the method.
Using 0xffffffff by default if it is 0.
trace_debug_level: the temporary debug_level used when tracing the method.
Using 0x00ffffff by default if it is 0.
trace_state: The status of the tracing feature.
"enabled" means this feature is enabled
and the AML method is traced every time it's executed.
"1" means this feature is enabled and the AML method
will only be traced during the next execution.
"disabled" means this feature is disabled.
Users can enable/disable this debug tracing feature by
"echo string > /sys/module/acpi/parameters/trace_state".
"string" should be one of "enable", "disable" and "1".
http://bugzilla.kernel.org/show_bug.cgi?id=6629
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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GPEs are disabled depending on their type --
WAKE, WAKE_RUN, and RUNTIME. An error is returned
if we are asked to disable a GPE that has no type.
But at least one system exists that enables a GPE from AML
that is not the EC GPE, and has no _Lxx/_Exx AML handler,
and is thus never initialized.
In this case, when an external CRT is plugged in,
the GPE fires, we attempt to disable the GPE,
but instead just return an error.
So the GPE stays asserted and an ACPI interrupt storm follows.
The fix is to disable a firing GPE,
even if it comes from outer space.
http://bugzilla.kernel.org/show_bug.cgi?id=6217
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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References: https://bugzilla.novell.com/show_bug.cgi?id=302482
Signed-off-by: Thomas Renninger <trenn@novell.com>
Signed-off-by: Kay Sievers <kasievers@novell.com>
Signed-off-by: Frank Seidel <fseidel@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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References: https://bugzilla.novell.com/show_bug.cgi?id=302482
Due to the new autloading of acpi drivers, the dock driver
wasn't loaded anymore as there is no HID to identify it with
(dock is needed if ACPI has a _DCK method).
This patch is a workaround for this, original by Thomas Renninger,
revised first by Kay Sievers and last by Frank Seidel.
V2 of this patch fixed problems on systems without a defined _CID for
the docking devices.
Signed-off-by: Thomas Renninger <trenn@novell.com>
Signed-off-by: Kay Sievers <kasievers@novell.com>
Signed-off-by: Frank Seidel <fseidel@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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fix bug in safety net for TPEC fan control mode
eaa7571b2d1a08873e4bdd8e6db3431df61cd9ad
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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The major code reorganization and cleanups, and new HKEY events, plus
poll()/select() support are good reasons to checkpoint a new version...
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Update the copyright headers to include 2008.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Implement poll()/select() support through sysfs_notify() for some key
attributes which userspace might want to poll() or select() on.
In order to let userspace know poll()/select() support is available for an
attribute, the thinkpad-acpi sysfs interface version is also bumped up.
Further changes that add poll()/select() capabilities to any pre-existing
attributes will also increment the sysfs interface version.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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When both CONFIG_THINKPAD_ACPI_DOCK and CONFIG_THINKPAD_ACPI_BAY are
undefined, _sta is not used and that causes a gcc warning. Fix it
(and I think this is a regression, I am pretty sure I fixed this once
before, sorry about that).
Issue reported by: Pritt Laes.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Pritt Laes <plaes@plaes.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Tomas Carnecky reports that events 0x5009 and 0x500a are swivel events, and
that 0x500b/0x500c are tablet pen storage bay events.
Document these events, and avoid nasty messages when they happen.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Handle some HKEY events that the firmware uses to report the reason for a
wake up, and to also notify that the system could go back to sleep (if it
woke up just to eject something from the bay, or to undock).
The driver will report the reason of the last wake up in the sysfs
attribute "wakeup_reason": 0 for "none, unknown, or standard ACPI wake up
event", 1 for "bay ejection request" and 2 for "undock request".
The firmware will also report if the operation that triggered the wake up
has been completed, by issuing an HKEY 0x3003 or 0x4003 event. If the
operation fails, no event is sent. When such a hotunplug sucessfull
notification is issued, the driver sets the attribute
"wakeup_hotunplug_complete" to 1.
While the firmware does tell us whether we are waking from a suspend or
hibernation scenario, the Linux way of hibernating makes this information
not reliable, and therefore it is not reported.
The idea is that if any of these attributes are non-zero, userspace might
want to do something at the end of the "wake up from sleep" procedures,
such as offering to send the machine back into sleep as soon as it is safe
to do so.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Use a generic message on hotkey_notify to log unknown and unhandled events,
and cleanup hotkey_notify a little.
Also, document event 0x5010 (brightness changed notification) and do not
log it as an unknown event (even if we do not use it for anything right
now).
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Add a handler for suspend events.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fix some of the crap reported by checkpatch.pl.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Rename defines with IBM in their name that are related to the older
driver name (ibm-acpi) to TPACPI, unless they are specific to IBM
ThinkPads.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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General cleanup of module glue: Do some code reordering, and add
missing parameter help text.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Remove dead code, and anything in the old changelog that is not a thank
you credit, or a key point to track down history.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Reorder code in the file to get rid of more of the forward declarations,
and to make things cleaner and more organized.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Move most subdriver-related stuff imported from the header file closer to
their subdriver code. Also, delete unneeded forward declarations.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Remove the header file. Private header files used by a single .c file are
in bad taste, and I know better now.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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The NVRAM polling support for hot keys is reason enough to
bump up the version string. Do it.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Older ThinkPad models do not export some of the hot keys over the
event-based ACPI hot key interface. For these models, one has to poll
the CMOS NVRAM to check the key state at a rate faster than the expected
rate at which the user might repeatedly press the same hot key.
This patch implements this functionality for many of the hotkeys in a
transparent way: hot keys will now Just Work, and the driver knows the
best approach (events or NVRAM polling) to employ, based on the
HKEY.MHKA ACPI method.
Also, the driver can turn off the polling when there are no users for
the hot keys that need such polling.
The NVRAM-based hot keys of the A3x series that have never been
implemented by later models are not supported, to avoid changes in the
keymap of the input devices that could cause headaches in the future.
There is a Kconfig option to avoid compiling the NVRAM polling code, as
it is not very small, and unlikely to be useful on any ThinkPad newer
than a T40, X31 or R52.
This feature is based on a previous effort by Richard Hughes.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Richard Hughes <hughsient@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Make some small internal thinkpad-acpi changes to the hotkey subdriver code
that will make it easier to add NVRAM polling support.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Refactor and organize the code a bit for the NVRAM polling support:
1. Split hotkey_get/set into hotkey_status_get/set and hotkey_mask_get/set;
2. Cache the status of hot key mask for later driver use;
3. Make sure the cache of hot key mask is refreshed when needed;
4. log a printk notice when the firmware doesn't set the hot key
mask to exactly what we asked it to;
5. Add proper locking to the data structures.
Only (4) should be user-noticeable, but there is a chance (5) fixes
some unknown/unreported race conditions.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Publish the requirements for keymap changes. This is a documentation
change, only.
Currently, people look at the thinkpad-acpi default keymaps, and think:
"modifying this is a trivial thing, it can't break systems, and there are
keys defined for foo and bar, but the driver has them as KEY_RESERVED.
Must have been an oversight, let me change it."
And since they never get to see the bug reports, because they are not
really a part of the Linux ThinkPad users community (linux-thinkpad
mailinglist, thinkwiki wiki, thinkpad forums) and laptop users are slow
to complain to distros about any breakages...
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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compare against the sony_laptop specific event list index
to decode the input scancode to send.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Recent Vaio models (UX, SZ and presumably TZ and others) add more
events and a slightly different handling of Fn key events for
additional hotkeys (s1, s2, zoom-in/out, etc.).
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Create mini drivers and allow callbacks for each model
to be specified.
Following patches will make use of this feature to handle
specific cases instead of just executing code and hope
not to break other models.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Also the recent Vaio N series need some more calls into the DSDT
to enable reporting of FN key events to be delivered to the SNC device.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Add support for ASUS F3Sa notebook. Features:
- LCD on/off
- Brightness
- Wifi kill
- Bluetooth kill
Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Karol Kozimor <sziwan@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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'!' has a higher priority than '&': bitanding has no effect.
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Len Brown <len.brown@intel.com>
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