| Commit message (Collapse) | Author | Age | Files | Lines |
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Conflicts:
arch/x86/kernel/cpu/cpufreq/longhaul.c
Signed-off-by: Len Brown <len.brown@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (28 commits)
trivial: Update my email address
trivial: NULL noise: drivers/mtd/tests/mtd_*test.c
trivial: NULL noise: drivers/media/dvb/frontends/drx397xD_fw.h
trivial: Fix misspelling of "Celsius".
trivial: remove unused variable 'path' in alloc_file()
trivial: fix a pdlfush -> pdflush typo in comment
trivial: jbd header comment typo fix for JBD_PARANOID_IOFAIL
trivial: wusb: Storage class should be before const qualifier
trivial: drivers/char/bsr.c: Storage class should be before const qualifier
trivial: h8300: Storage class should be before const qualifier
trivial: fix where cgroup documentation is not correctly referred to
trivial: Give the right path in Documentation example
trivial: MTD: remove EOL from MODULE_DESCRIPTION
trivial: Fix typo in bio_split()'s documentation
trivial: PWM: fix of #endif comment
trivial: fix typos/grammar errors in Kconfig texts
trivial: Fix misspelling of firmware
trivial: cgroups: documentation typo and spelling corrections
trivial: Update contact info for Jochen Hein
trivial: fix typo "resgister" -> "register"
...
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Fix misspelling of firmware.
Signed-off-by: Nick Andrew <nick@nick-andrew.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
hwmon: (fschmd) Add support for the FSC Hades IC
hwmon: (fschmd) Add support for the FSC Syleus IC
i2c-i801: Instantiate FSC hardware montioring chips
dmi: Let dmi_walk() users pass private data
hwmon: Define a standard interface for chassis intrusion detection
Move the pcf8591 driver to hwmon
hwmon: (w83627ehf) Only expose in6 or temp3 on the W83667HG
hwmon: (w83627ehf) Add support for W83667HG
hwmon: (w83627ehf) Invert fan pin variables logic
hwmon: (hdaps) Fix Thinkpad X41 axis inversion
hwmon: (hdaps) Allow inversion of separate axis
hwmon: (ds1621) Clean up documentation
hwmon: (ds1621) Avoid unneeded register access
hwmon: (ds1621) Clean up register access
hwmon: (ds1621) Reorder code statements
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At the moment, dmi_walk() lacks flexibility, users can't pass data to
the callback function. Add a pointer for private data to make this
function more flexible.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Roland Dreier <rolandd@cisco.com>
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Setting ->owner as done currently (pde->owner = THIS_MODULE) is racy
as correctly noted at bug #12454. Someone can lookup entry with NULL
->owner, thus not pinning enything, and release it later resulting
in module refcount underflow.
We can keep ->owner and supply it at registration time like ->proc_fops
and ->data.
But this leaves ->owner as easy-manipulative field (just one C assignment)
and somebody will forget to unpin previous/pin current module when
switching ->owner. ->proc_fops is declared as "const" which should give
some thoughts.
->read_proc/->write_proc were just fixed to not require ->owner for
protection.
rmmod'ed directories will be empty and return "." and ".." -- no harm.
And directories with tricky enough readdir and lookup shouldn't be modular.
We definitely don't want such modular code.
Removing ->owner will also make PDE smaller.
So, let's nuke it.
Kudos to Jeff Layton for reminding about this, let's say, oversight.
http://bugzilla.kernel.org/show_bug.cgi?id=12454
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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* 'bkl-removal' of git://git.lwn.net/linux-2.6:
Rationalize fasync return values
Move FASYNC bit handling to f_op->fasync()
Use f_lock to protect f_flags
Rename struct file->f_ep_lock
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Most fasync implementations do something like:
return fasync_helper(...);
But fasync_helper() will return a positive value at times - a feature used
in at least one place. Thus, a number of other drivers do:
err = fasync_helper(...);
if (err < 0)
return err;
return 0;
In the interests of consistency and more concise code, it makes sense to
map positive return values onto zero where ->fasync() is called.
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Instead of just sprintf() into the page-sized buffer provided
by the sysfs/device_attribute API, we use snprintf with PAGE_SIZE
as an additional safeguard.
Signed-off-by: Martin Lucina <mato@kotelna.sk>
Signed-off-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch adds MODULE_DEVICE_TABLE() to panasonic-laptop.c in order
to ensure automatic loading of the module on systems with the respective
"MAT*" ACPI devices.
Signed-off-by: Martin Lucina <mato@kotelna.sk>
Signed-off-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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The tc1100-wmi driver should print the current states of wireless LAN and
jogdial brightness control when "cat /sys/devices/platform/tc1100-wmi/wireless"
and "cat /sys/devices/platform/tc1100-wmi/jogdial" are executed, respectively.
What actually happens is that both of those commands print 0 regardless of the
hardware state. The cause is that wmi_query_block returns an ACPI_TYPE_INTEGER
rather than ACPI_TYPE_BUFFER as the driver assumes. Additionally, the driver
intends to return a jogdial state that is inverted with respect to the commands
required to set it (e.g. it intends to return 1 after the jogdial file was
written with 0).
This patch fixes both of those issues - the commands to query the
state now work, and should return the same state that was written.
http://bugzilla.kernel.org/show_bug.cgi?id=12286
Signed-off-by: Krzysztof Kosiński <tweenk.pl@gmail.com>
Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Add a WMI driver for Dell laptops. Currently it does nothing but send a
generic input event when a button with a picture of a battery on it is
pressed, but maybe other uses will appear over time.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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In short Fn key events are always reported through acpi.
The input layer gets all the old style events and only those new style
events that, after being decoded, are mapped to an locally represented
events.
rfkill only update the rfkill device status.
Signed-off-by: Matthias Welwarsky <matze@welwarsky.de>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fixes this build error when RFKILL is not set:
drivers/platform/x86/sony-laptop.c:1050: undefined reference to `rfkill_unregister'
and so on..
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Acked-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Matthias Welwarsky <matze@welwarsky.de>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
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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For consistency with __sony_pic_set_bluetoothpower, this is also needed
later to allow setting the wwanpower attribute from the resume path and
only lock the mutex once.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Anton Veretenenko <anton@veretenenko.ru>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Sergey Yanovich <ynvich@gmail.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: ISHIKAWA Mutsumi <ishikawa@hanzubon.jp>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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This laptop has 5 SPIC managed buttons above the keyboard:
sound + and - as well as brightness, zoom and S1.
Possibly the entire VGN-A serie behaves the same.
Signed-off-by: Harald Jenny <harald@a-little-linux-box.at>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Creating Type4 was a mistake in the first place. Some users report that
also Type3 vaios require the same extra hotkey handling which the Type4
for was menat to guard from.
Merging down Type4 into Type3 will just remove a useless distinction.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Recent Sony SR-series machines have an additional set of buttons accessed
via the 0x127 method rather than the 0x100 method. Add support for these.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Newer Vaios provide a full featured rfkill implementation via their
platform methods. Add support for enumerating the available devices and
providing rfkill access to them. Support for the physical kill switch is
added, with the devices moving into the HARD_BLOCKED state when toggled.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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The current sony-laptop code assumes that the keyboard event method is
always located at slot 2 in the platform code. Remove this assumption and
add support for some additional hotkeys.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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The latest Vaios can execute certain codepaths in two ways - either using
system management mode or using pure ACPI methods. The latter is only used
if the OS has called the ECON method. Ensure that this is done where the
method is available.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Newer Sony Vaios provide a new API for accessing platform functionality. It
consists of a set of standardised methods for enabling events and performing
queries. These are each identified by a unique handle. This patch adds
support for calling functions based on their handle and ports the existing
code for these machines over to it.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Refactor and redesign the brightness control backend...
In order to fix bugzilla #11750...
Add a new brightness control mode: support direct NVRAM checkpointing
of the backlight level (i.e. store directly to NVRAM without the need
for UCMS calls), and use that together with the EC-based control.
Disallow UCMS+EC, thus avoiding races with the SMM firmware.
Switch the models that define HBRV (EC Brightness Value) in the DSDT
to the new mode. These are: T40-T43, R50-R52, R50e, R51e, X31-X41.
Change the default for all other IBM ThinkPads to UCMS-only. The
Lenovo models already default to UCMS-only.
Reported-by: Alexey Fisher <bug-track@fisher-privat.net>
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Enhance debugging messages for the fan subdriver.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Enhance debugging messages for the hotkey subdriver.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Enhance debugging messages for all rfkill subdrivers in thinkpad-acpi.
Also, log a warning if the deprecated sysfs attributes are in use.
These attributes are going to be removed sometime in 2010.
There is an user-visible side-effect: we now coalesce attempts to
enable/disable bluetooth or WWAN in the procfs interface, instead of
hammering the firmware with multiple requests.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Some of the ThinkPad LEDs indicate critical conditions that can cause
data loss or cause hardware damage when ignored (e.g. force-ejecting
a powered up bay; ignoring a failing battery, or empty battery; force-
undocking with the dock buses still active, etc).
On almost all ThinkPads, LED access is write-only, and the firmware
usually does fire-and-forget signaling on them, so you effectively
lose whatever message the firmware was trying to convey to the user
when you override the LED state, without any chance to restore it.
Restrict access to all LEDs that can convey important alarms, or that
could mislead the user into incorrectly operating the hardware. This
will make the Lenovo engineers less unhappy about the whole issue.
Allow users that really want it to still control all LEDs, it is the
unaware user that we have to worry about.
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 HKEY disable functionality basically cripples the entire event
model of the ThinkPad firmware and of the thinkpad-acpi driver.
Remove this functionality from the driver. HKEY must be enabled at
all times while thinkpad-acpi is loaded, and disabled otherwise.
For sysfs, according to the sysfs ABI and the thinkpad-acpi sysfs
rules of engagement, we will just remove the attributes. This will be
done in two stages: disable their function now, after two kernel
releases, remove the attributes.
For procfs, we call WARN(). If nothing triggers it, I will simply
remove the enable/disable commands entirely in the future along with
the sysfs attributes.
I don't expect much, if any fallout from this. There really isn't any
reason to mess with hotkey_enable or with the enable/disable commands
to /proc/acpi/ibm/hotkey, and this has been true for years...
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 debug helper that discloses the TGID of the userspace task
attempting to access the driver. This is highly useful when dealing
with bug reports, since often the user has no idea that some userspace
application is accessing thinkpad-acpi...
Also add a helper to log warnings about sysfs attributes that are
deprecated.
Use the new helpers to issue deprecation warnings for bluetooth_enable
and wwan_enabled, that have been deprecated for a while, 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 missing log levels in a standalone commit, to avoid dependencies in
future unrelated changes, just because they wanted to use one of the
missing log levels.
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 the vdbg_printk macro definition to be sane when
CONFIG_THINKPAD_ACPI_DEBUG is undefined, and move the mess into a file
section of its own.
This doesn't change anything in the current code, but future code will
need the proper behaviour.
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 driver was renamed two years ago, on 2.6.21. Drop the old
compatibility alias, we have given everybody quite enough time
to update their configs to the new name.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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It is that time of the year again...
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Explicitly note in the documentation that the Acer Aspire One is not
supported.
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Cleanup the failure cleanup handling for brightness and email led.
[cc: Split out from another patch]
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The Aspire One's ACPI-WMI interface is a placeholder that does nothing,
and the invalid results that we get from it are now causing userspace
problems as acer-wmi always returns that the rfkill is enabled (i.e. the
radio is off, when it isn't). As it's hardware controlled, acer-wmi
isn't needed on the Aspire One either.
Thanks to Andy Whitcroft at Canonical for tracking down Ubuntu's userspace
issues to this.
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Reported-by: Andy Whitcroft <apw@canonical.com>
Cc: stable@kernel.org
Signed-off-by: Len Brown <len.brown@intel.com>
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