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When CONFIG_DMI is disabled, we only have a tentative declaration,
which causes a warning from clang:
drivers/acpi/blacklist.c:20:35: error: tentative array definition assumed to have one element [-Werror]
static const struct dmi_system_id acpi_rev_dmi_table[] __initconst;
As the variable is not actually used here, hide it entirely
in an #ifdef to shut up the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Based on 3 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [kishon] [vijay] [abraham]
[i] [kishon]@[ti] [com] this program is distributed in the hope that
it will be useful but without any warranty without even the implied
warranty of merchantability or fitness for a particular purpose see
the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [graeme] [gregory]
[gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
[kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
[hk] [hemahk]@[ti] [com] this program is distributed in the hope
that it will be useful but without any warranty without even the
implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 1105 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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... and __initconst if applicable.
Based on similar work for an older kernel in the Grsecurity patch.
[JD: fix toshiba-wmi build]
[JD: add htcpen]
[JD: move __initconst where checkscript wants it]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
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ACPI OEM ID / OEM Table ID / Revision can be used to identify
a platform based on ACPI firmware info. acpi_blacklisted(),
intel_pstate_platform_pwr_mgmt_exists(), and some other funcs,
have been using similar check to detect a list of platforms
that require special handlings.
Move the platform check in acpi_blacklisted() to a new common
utility function, acpi_match_platform_list(), so that other
drivers do not have to implement their own version.
There is no change in functionality.
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The battery can only be detected after AC power adapter event.
Adding the machine to acpi_rev_dmi_table[] can work around this
issue.
Link: https://bugs.launchpad.net/bugs/1678590
Link: https://bugzilla.kernel.org/show_bug.cgi?id=105721
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The Dell Latitude 3350's ethernet card attempts to use a reserved
IRQ (18), resulting in ACPI being unable to enable the ethernet.
Adding it to acpi_rev_dmi_table[] helps to work around this problem.
Signed-off-by: Michael Pobega <mpobega@neverware.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Precision 5520 and 3520 either hang at login and during suspend or reboot.
It turns out that that adding them to acpi_rev_dmi_table[] helps to work
around those issues.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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_OSI handling code grows giant and it's time to move them into one file.
This patch collects all _OSI handling code into one single file.
So that we only have the following functions to be used externally:
early_acpi_osi_init(): Used by DMI detections;
acpi_osi_init(): Used to initialize OSI command line settings and install
Linux specific _OSI handler;
acpi_osi_setup(): The API that should be used by the external quirks.
acpi_osi_is_win8(): The API is used by the external drivers to determine
if BIOS supports Win8.
CONFIG_DMI is not useful as stub dmi_check_system() can make everything
stub because of strip.
No functional changes.
Tested-by: Lukas Wunner <lukas@wunner.de>
Tested-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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source file
This patch performs necessary cleanups before moving OSI support to
another file.
1. Change printk into pr_xxx
2. Do not initialize values to 0
3. Do not append additional "return" at the end of the function
4. Remove useless comments which may easily break line breaking rule
After fixing the coding style issues, rename functions to make them looking
like acpi_osi_xxx.
No functional changes.
Tested-by: Lukas Wunner <lukas@wunner.de>
Tested-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This patch changes "int/unsigned int" to "bool" to simplify the code.
Tested-by: Lukas Wunner <lukas@wunner.de>
Tested-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The following commit always reports positive value when Apple hardware
queries _OSI("Darwin"):
Commit: 7bc5a2bad0b8d9d1ac9f7b8b33150e4ddf197334
Subject: ACPI: Support _OSI("Darwin") correctly
However since this implementation places the judgement in runtime, it
breaks acpi_osi=!Darwin and cannot return unsupported for _OSI("WinXXX")
invoked before invoking _OSI("Darwin").
This patch fixes the issues by reverting the wrong support and implementing
the default behavior of _OSI("Darwin")/_OSI("WinXXX") on Apple hardware via
DMI matching.
Fixes: 7bc5a2bad0b8 (ACPI: Support _OSI("Darwin") correctly)
Link: https://bugzilla.kernel.org/show_bug.cgi?id=92111
Reported-and-tested-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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There is no need to carry potentially outdated Free Software Foundation
mailing address in file headers since the COPYING file includes it.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The platform firmware on some systems expects Linux to return "5" as
the supported ACPI revision which makes it expose system configuration
information in a special way.
For example, based on what ACPI exports as the supported revision,
Dell XPS 13 (2015) configures its audio device to either work in HDA
mode or in I2S mode, where the former is supposed to be used on Linux
until the latter is fully supported (in the kernel as well as in user
space).
Since ACPI 6 mandates that _REV should return "2" if ACPI 2 or later
is supported by the OS, a subsequent change will make that happen, so
make it possible to override that on systems where "5" is expected to
be returned for Linux to work correctly one them (such as the Dell
machine mentioned above).
Original-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Sony VGN-SR19XN laptop needs to disable windows vista compatibility,
or else it freezes when plugging/unplugging the VGA connector.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=66771
Tested-by: Lionel Duriez <lionelduriez@hotmail.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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AFAICT the only reason to set _OSI(Linux) on ThinkPads is to get
sensible mute button behavior. Now that the thinkpad_acpi driver
can do this on is own, there is no reason to keep the ACPI
quirk.
Cc: Len Brown <len.brown@intel.com>
Cc: Jerone Young <jerone.young@canonical.com>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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The wireless hotkey of Dell Vostro 3546 does not work with Win8 OSI. Due
to insufficient documentation for the driver implementation, blacklist
it as a workaround.
Signed-off-by: Adam Lee <adam.lee@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The wireless hotkey of those machines does not work with Win8 OSI.
Due to insufficient documentation for the driver implementation,
blacklist those machines as a workaround.
"audo wake on after shutdown" bug on Dell Inspiron 7737 is fixed by BIOS.
But this machine still suffers the hotkey issue. So keep the quirk for the
wireless hotkey issue.
Link: http://www.dell.com/support/home/us/en/19/Drivers/DriversDetails?driverId=MJWNX
Signed-off-by: Edward Lin <yidi.lin@canonical.com>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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use_native_backlight
When the windows8 related backlight problems became evident, 2 approaches
were follow in parallel, one was to stop claiming to be windows 8 / 2012,
the other was to tell acpi_video to stop registering a backlight driver.
I've read all the threads and it seems that which approach ended up being
applied to which model laptop was never really a concious decision (AFAIK):
https://bugzilla.kernel.org/show_bug.cgi?id=51231
https://bugzilla.kernel.org/show_bug.cgi?id=60682
So lets move all the models which are only on the win8 blacklist because of
brightness issues to the use_native_backlight list, which is the smaller
hammer to use to solve the backlight issues.
Making this change is esp. attractive now that 3.16 has
video.use_native_brightness=1 by default. If that new default does not get
reverted because of regressions, then we can drop all the models
with a use_native_backlight quirk, greatly reducing the number of models we've
a quirk for.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=51231
Link: https://bugzilla.kernel.org/show_bug.cgi?id=60682
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Without this this EEE PC exports a non working WMI interface, with this it
exports a working "good old" eeepc_laptop interface, fixing brightness control
not working as well as rfkill being stuck in a permanent wireless blocked
state.
This is not an ideal way to fix this, but various attempts to fix this
otherwise have failed, see:
References: https://bugzilla.redhat.com/show_bug.cgi?id=1067181
Reported-and-tested-by: lou.cardone@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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With win8 capabiltiy, the machine will boot itself immediately after
shutdown command has executed.
Work around this issue by disabling win8 capcability. This workaround
also makes wireless hotkey work.
Signed-off-by: Edward Lin <yidi.lin@canonical.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This reverts commit 2d4054d84224 (ACPI: Blacklist Win8 OSI for some HP
laptop 2013 models) that is not necessary any more after previous
commit 1811fcb029fa (ACPI / video: Add systems that should favour native
backlight interface).
Requested-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Some system's ACPI video backlight control interface is broken and the
native backlight control interface should be used by default. This patch
sets the use_native_backlight parameter to true for those systems so
that video backlight control interface will not be created. For detailed
models that are added here, reference the following list.
Note that the user specified kernel cmdline option will always have the
highest priority, i.e. if use_native_backlight=0 is specified and the
system is in the DMI table, the video module will not skip registering
backlight interface for it.
Thinkpad T430s:
Reported-by: Theodore Tso <tytso@mit.edu>
Reported-and-tested-by: Peter Weber <bugs@ttyhoney.com>
References: https://bugzilla.kernel.org/show_bug.cgi?id=51231
Thinkpad X230:
Reported-and-tested-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
References: https://bugzilla.kernel.org/show_bug.cgi?id=51231
ThinkPad X1 Carbon:
Reported-and-tested-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
Lenovo Yoga 13:
Reported-by: Lennart Poettering <lennart@poettering.net>
Reported-and-tested-by: Kevin Smith <thirdwiggin@gmail.com>
References: https://bugzilla.kernel.org/show_bug.cgi?id=63811
Dell Inspiron 7520:
Reported-by: Rinat Ibragimov <ibragimovrinat@mail.ru>
Acer Aspire 5733Z:
Reported-by: <sov.info@mail.ru>
References: https://bugzilla.kernel.org/show_bug.cgi?id=62941
Acer Aspire V5-431:
Reported-by: Thomas Christensen <christensenthomas@gmail.com>
References: https://bugzilla.kernel.org/show_bug.cgi?id=68751
HP ProBook 4340s:
Reported-and-tested-by: Vladimir Sherenkov <a_12300@mail.ru>
References: http://redmine.russianfedora.pro/issues/1258
HP EliteBook/ProBook 2013 models, ZBook and some others:
Provided-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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'acpi-sleep'
* acpi-gpe:
ACPI / EC: disable GPE before removing GPE handler
ACPI / Button: Fix enabling button GPEs twice
* acpi-video:
ACPI: Blacklist Win8 OSI for some HP laptop 2013 models
ACPI / video: Fix typo in video_detect.c
* acpi-thermal:
ACPI / thermal: remove const from thermal_zone_device_ops declaration
* acpi-processor:
ACPI / scan: bail out early if failed to parse APIC ID for CPU
* acpi-sleep:
ACPI / sleep: remove panic in case hardware has changed after S4
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The BIOS on recent HP laptops behaves differently with Win8 OSI,
e.g. no backlight control and no rfkill are available. List them in
the blacklist as a workaround.
This patch tries to reduce the added items by matching "G1" suffix,
e.g. machines are named like "HP ProBook 430 G1".
References: https://bugzilla.novell.com/show_bug.cgi?id=856294
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Replace direct inclusions of <acpi/acpi.h>, <acpi/acpi_bus.h> and
<acpi/acpi_drivers.h>, which are incorrect, with <linux/acpi.h>
inclusions and remove some inclusions of those files that aren't
necessary.
First of all, <acpi/acpi.h>, <acpi/acpi_bus.h> and <acpi/acpi_drivers.h>
should not be included directly from any files that are built for
CONFIG_ACPI unset, because that generally leads to build warnings about
undefined symbols in !CONFIG_ACPI builds. For CONFIG_ACPI set,
<linux/acpi.h> includes those files and for CONFIG_ACPI unset it
provides stub ACPI symbols to be used in that case.
Second, there are ordering dependencies between those files that always
have to be met. Namely, it is required that <acpi/acpi_bus.h> be included
prior to <acpi/acpi_drivers.h> so that the acpi_pci_root declarations the
latter depends on are always there. And <acpi/acpi.h> which provides
basic ACPICA type declarations should always be included prior to any other
ACPI headers in CONFIG_ACPI builds. That also is taken care of including
<linux/acpi.h> as appropriate.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com> (drivers/pci stuff)
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> (Xen stuff)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-config:
ACPI: delete CONFIG_ACPI_BLACKLIST_YEAR
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About 10 years ago, this option was created to help
distros enable ACPI and not get distracted by ACPI
BIOS issues in machines which were deemed old
at that time, eg 1999 and earlier.
After a couple of years, the high volume distros
stopped bothering to set this option, and instead
simply ran in ACPI mode on all systems with an
ACPI BIOS -- regardless of BIOS DMI year.
Recently there have been some ACPI-enabled systems
with no DMI, mandating that CONFIG_ACPI_BLACKLIST_YEAR=0.
So it seems vanishingly unlikely that this option
is helping anybody run a 2013 kernel on a 1998 system,
and now more systems mandate this option be disabled,
so we simplify by deleting it entirely.
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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That is the advertised name.
http://shop.lenovo.com/us/en/laptops/thinkpad/edge-series/e530/
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This patch adds Toshiba NB100 to the Vista _OSI blacklist.
The _OSI(Windows 2006) method is bugged on the netbook resulting in
messed up PCI IRQ Routing information. This was observed on a netbook
whose SATA controller mode was set to Compatibility mode.
The controller would then issue IRQs to IRQ#16 instead of
IRQ#20, where it should have been.
No side-effects were found during testing, everything is
working as it did before.
References: http://marc.info/?t=137862230200001&r=1&w=2
References: http://www.spinics.net/lists/linux-ide/msg46173.html
Signed-off-by: Levente Kurusa <levex@linux.com>
Reviewed-by: Robert Hancock <hancockrwd@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In my original patch[1] I wrote a comment describing the reason for
disabling Windows 2012 OSI mode for a group of machines, however, due to
unknown reasons (probably a conflict resolution mismatch), the comment
was dropped in 94fb982 (ACPI: blacklist win8 OSI for buggy laptops).
Since Matthew Garrett is making a big deal out of the lack of comments
in a separate patch[2], it might make sense to re-introduce the missing
comment so that other patch is not blocked and users don't suffer.
[1] http://article.gmane.org/gmane.linux.acpi.devel/63427
[2] http://thread.gmane.org/gmane.linux.kernel/1572459
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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More people have reported they need this for their machines to work
correctly.
References: https://bugzilla.kernel.org/show_bug.cgi?id=60682
Reported-by: Stefan Hellermann <bugzilla.kernel.org@the2masters.de>
Reported-by: Benedikt Sauer <filmor@gmail.com>
Reported-by: Erno Kuusela <erno@iki.fi>
Reported-by: Jonathan Doman <jonathan.doman@gmail.com>
Reported-by: Christoph Klaffl <christophklaffl@gmail.com>
Reported-by: Jan Hendrik Nielsen <jan.hendrik.nielsen@informatik.hu-berlin.de>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Since v3.7 the acpi backlight driver doesn't work correctly in several
machines because ACPI code has different code for Windows 8, and the
rest.
The commit ea45ea7 (in v3.11-rc2) tried to fix this problem by using the
intel backlight driver, however it introduced several other issues in
different machines.
This patch fixes both regressions by blacklisting the win8 OSI, so we
are back to v3.6 behavior, and it should remain that way until the intel
backlight driver is fixed.
Since v3.7, users have been forced to fix the initial regression by
modifying the boot arguments (acpi_osi="!Windows 2012").
Once the Intel backlight driver works correctly for all machines, this
blacklist can be removed and that driver can be used instead.
References: https://bugzilla.kernel.org/show_bug.cgi?id=60682
Reported-by: Danny Baumann <dannybaumann@web.de>
Reported-by: Philipp Richter <richterphilipp.pops@gmail.com>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Since v3.7 the ACPI backlight driver doesn't work at all on this
machine, because presumably the backlight AML code in the ACPI
tables contains a code path that triggers when the OS identifies
itself as compatible with Windows 8 (which the kernel started to
do in 3.7). That code path is never used by Windows and on this
particular machine it turns out to be unusable at all.
Work around this problem by blacklisting the win8 OSI, so we are back
to v3.6 behavior (that is, we don't tell the BIOS that we are
compatible with Windows 8).
Since v3.7, users have been forced to work around the initial
regression by modifying the boot arguments [1].
[1] https://wiki.archlinux.org/index.php/ASUS_Zenbook_Prime_UX31A
[rjw: Changelog]
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Files which aren't actually using infrastructure from module.h
shouldn't include it, as it is a big header with lots of child
includes spawned off.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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The brightness control hotkey don't work with Vista compatibility
because the MSI GX723 includes an infinite while loop in DSDT when
brightness control hotkey pressed.
The MSI GX723 uses Nvidia video. Perhaps the loop is specific
to the Nvidia Vista driver...
This patch should be reverted once nouveau grows support
to call the ACPI NVIF method.
Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Disable the Windows Vista (SP1) compatibility for Toshiba P305D.
http://bugzilla.kernel.org/show_bug.cgi?id=14736
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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https://bugzilla.kernel.org/show_bug.cgi?id=12641
Signed-off-by: Len Brown <len.brown@intel.com>
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When we claim incompatibility with Vista,
include both Vista SP1 and SP2.
https://bugzilla.kernel.org/show_bug.cgi?id=12641
Signed-off-by: Len Brown <len.brown@intel.com>
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Fix string mismatch for Sony SR290 laptop.
https://bugzilla.kernel.org/show_bug.cgi?id=12904#c45
Signed-off-by: Nik A. Melchior <melchior+kernel@cmu.edu>
Signed-off-by: Len Brown <len.brown@intel.com>
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Disable Vista compatibility for Sony VGN-NS50B_L.
https://bugzilla.kernel.org/show_bug.cgi?id=12904#c46
Note that this change is a workaround, not a permanent fix.
For the permanent fix is to figure out what compatibility
means and to actually be compatible...
Tested-by: Voldemar <harestomper@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fix a win7 compability issue on Asus K50IJ.
Here is the _BCM method of this laptop:
Method (_BCM, 1, NotSerialized)
{
If (LGreaterEqual (OSFG, OSVT))
{
If (LNotEqual (OSFG, OSW7))
{
Store (One, BCMD)
Store (GCBL (Arg0), Local0)
Subtract (0x0F, Local0, LBTN)
^^^SBRG.EC0.STBR ()
...
}
Else
{
DBGR (0x0B, Zero, Zero, Arg0)
Store (Arg0, LBTN)
^^^SBRG.EC0.STBR ()
...
}
}
}
LBTN is used to store the index of the brightness level in the _BCL.
GCBL is a method that convert the percentage value to the index value.
If _OSI(Windows 2009) is not disabled, LBTN is stored a percentage
value which is surely beyond the end of _BCL package.
http://bugzilla.kernel.org/show_bug.cgi?id=14753
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_osi=Linux helps the mute button work properly by sending Linux
a mute key press.
http://bugzilla.kernel.org/show_bug.cgi?id=13934
Signed-off-by: Jerone Young <jerone.young@canonical.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Conflicts:
drivers/acpi/power.c
Signed-off-by: Len Brown <len.brown@intel.com>
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There are cases where full date information is required instead of
just the year. Add month and day parsing to dmi_get_year() and rename
it to dmi_get_date().
As the original function only required '/' followed by any number of
parseable characters at the end of the string, keep that behavior to
avoid upsetting existing users.
The new function takes dates of format [mm[/dd]]/yy[yy]. Year, month
and date are checked to be in the ranges of [1-9999], [1-12] and
[1-31] respectively and any invalid or out-of-range component is
returned as zero.
The dummy implementation is updated accordingly but the return value
is updated to indicate field not found which is consistent with how
other dummy functions behave.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Linux/ACPI core files using internal.h all PREFIX "ACPI: ",
however, not all ACPI drivers use/want it -- and they
should not have to #undef PREFIX to define their own.
Add GPL commment to internal.h while we are there.
This does not change any actual console output,
asside from a whitespace fix.
Signed-off-by: Len Brown <len.brown@intel.com>
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Linux claims Vista compatibility to the BIOS for a number of
reasons, but this brings hard lockup on some Sony laptops.
Disable Vista compatibility via DMI for these laptops unless
we can figure out what Vista is doing for this platform.
http://bugzilla.kernel.org/show_bug.cgi?id=12904
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Linux will continue to ignore OSI(Linux),
except for a white-list containing a few systems.
So delete the black-list,
and stop soliciting user-feedback on the console.
Signed-off-by: Len Brown <len.brown@intel.com>
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http://bugzilla.kernel.org/show_bug.cgi?id=9939
Signed-off-by: Len Brown <len.brown@intel.com>
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Acer Extensa 5220 -- OSI(Linux) is a NOP
Dell OptiPlex 755 -- OSI(Linux) turns GUSB into a NOP
Dell PowerEdge 1950 -- OSI(Linux) is a NOP
Dell Precision 690 -- OSI(Linux) touches USB (skips GUSB)
FSC ESPRIMO Mobile V5505 -- OSI(Linux) is a NOP
Lenovo LENOVO3000 V100 -- OSI(Linux) is a NOP
Lenovo X61x -- OSI(Linux) enables Linux specific AML
Sony Vaio VGN-NR11S_S - OSI(Linux) is a NOP
Signed-off-by: Len Brown <len.brown@intel.com>
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