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I incorporated the wrong version of the suspend/resume patch for gmux,
and so lost David Woodhouse's fix to leave the backlight level unchanged
over suspend/resume. This fixes it up to v2.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The interface just doesn't work on some machines, and Dell haven't been
able to tell us either which machines those are or what we should be
doing instead. This would be fine, except it results in userspace ending
up confused and general sadness. So let's just rip it out for now.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
I managed to screw up the various backlight changes and ended up memsetting
the props structure after it had already been populated. This should fix it.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Add Dell Vostro 3450 quirk to support touchpad LED.
CC: Mariusz Fik <fisiu@opensuse.org>
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acer Extensa 5235, TravelMate 5760 and Aspire 5750 laptop have broken _BCM
implemenation, the AML code wrote value to EC register but firmware didn't
change brighenss.
Fortunately, the brightness control works on those machines with vendor mode.
So, add this machine to video backlight vendor mode quirk table.
Reference: bko#36322
https://bugzilla.kernel.org/show_bug.cgi?id=36322
Reference: bko#42833
https://bugzilla.kernel.org/show_bug.cgi?id=42833
Reference: bko#42993
https://bugzilla.kernel.org/show_bug.cgi?id=42993
Cc: Christopher M. Penalver <christopher.penalver@gmx.com>
Cc: Bence Lukacs <lukacs.bence1@gmail.com>
Cc: Joern Heissler <kernelbugs2012@joern.heissler.de>
Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This setting is stored in the EC and available across reboots.
[malattia@linux.it: group function specific variables in a struct, use
kstrtoul]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Also make the initialization function return a value for consistency
with all the other setup functions.
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Add support for handle 0x0143 (Vaio SA/SB/SC, CA/CB) and rework the code
to be hable to support different handles for the keyboard backlight
function.
[malattia@linux.it: group function specific variables in a struct]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
A few models offer the chance to set whether to resume from S3 and/or S4
when opening the lid.
[malattia@linux.it: create three sysfs files for S3/4/5 rather than
using a single one accepting a bitmask. Support S5 since the DSDT
exports it. Use a struct to hold all the related values, caching of the
current status value rather than re-reading all the time in the sysfs
show function.]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
All handles must be greater than 0, also return more meaningful error
codes on invalid conditions.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
[malattia@linux.it: support string based profiles names]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Allows limiting the maximum battery charge level to a selectable value
(100%, 80% and 50%).
[malattia@linux.it: group function specific variables in a struct, use
kstrtoul. Allow 0 to 100 values into sysfs files rounding to the actual
limit.]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Loop through the list of SNC handles and run the proper initialization
function for each of the known handles. Also return void in function
where we are not checking the return value anyway.
For notifications we also know which handle is linked to the event and
the code becomes simpler to read with a switch rather than using
convoluted ifs.
[malattia@linux.it: Code reworked to merge the initialization code
improvements and the notify callback changes. Modified the code paths to
allow easier error exit paths. Also fixed some missing break statements
and spelling mistakes.]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This avoids surprises like echoing "enable" into a sysfs file and
finding that the feature was actually disabled.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
All calls into the SNC device methods have zero or one arguments and
return an integer or a buffer (some functions go as far as returning an
integer _or_ a buffer depending on the input parameter...).
This allows simplifying a couple of code paths and prepares the field
for other users of functions returning buffers.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The goto target location would still try to free a buffer that was
never allocated.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The SNC device on recent Vaio laptops also stores the soft status and
leaves it available after reboot. Use it and always set the last soft
and hard status on module load.
[malattia@linux.it: patch taken from a largely modified sony-laptop.c,
smaller modifications to the original code to simplify it]
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
rfkill_alloc() returns NULL on failure. Check for it, to make the
static checkers happy.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Some Toshiba laptops have the transflective LCD and toshset
can control its backlight state. I brought this feature to the
mainline. To support transflective LCD, it's implemented by
adding an extra level to the backlight and having 0 change to
transflective mode. It was tested on a Toshiba Portege R500.
Signed-off-by: Akio Idehara <zbe64533@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Currently the backlight device is registered unconditionally, but many
(probably most) Toshibas either don't support HCI_LCD_BRIGHTNESS or only
support reading from it. This patch adds a test of HCI_LCD_BRIGHTNESS
during initialization and only registers the backlight device if this
interface supports both reads and writes.
Cc: Akio Idehara <zbe64533@gmail.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Otherwise will generate KEY_UNKNOWN on un-listed vpc event,
which means nothing and is hard for user to report the detail
of the event.
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
After review the current ideapad-laptop, found an unused define and
a typo.
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
I haven't had a working gmail address for many years - update to my
actual working address.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The tp_features.bright_acpimode will not be set correctly for brightness
control because ACPI_VIDEO_HID will not be located in ACPI. As a result,
a duplicated key event will always be sent. acpi_video_backlight_support()
is sufficient to detect standard ACPI brightness control.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
After S3, the brightness might not be restored to the pre-suspend value.
Request status update calls from the backlight core on suspend/resume to
ensure the brightness value is restored.
Reported-and-tested-by: Austin Lund <austin.lund@gmail.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The XO-1 rfkill driver should only send EC commands when changing
between blocked/unblocked state.
The rfkill switch is asked to be unblocked on every resume (even when
the card was never blocked before) and sending a EC_WLAN_LEAVE_RESET
command here upsets the resume sequence of the libertas driver. Adding
the check to avoid the spurious EC_WLAN_LEAVE_RESET fixes the wifi resume
behaviour.
The rfkill state is maintained by the hardware over suspend/resume
so no extra consideration is needed here.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This patch adds a quirk to fix the dock detection for Fujitsu Stylistic
devices and fixes an bug in which tablet mode state was not correctly
reported in Fujitsu Lifebook and Stylistic models.
Signed-off-by: Robert Gerlach <khnz@gmx.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
As long as there is no other non-const variable marked __initdata in the
same compilation unit it doesn't hurt. If there were one however
compilation would fail with
error: $variablename causes a section type conflict
because a section containing const variables is marked read only and so
cannot contain non-const variables.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br>
Cc: platform-driver-x86@vger.kernel.org
Cc: ibm-acpi-devel@lists.sourceforge.net
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Add "Vostro 3360", "Vostro 3460", and "Vostro 3560" into quirks,
so that they could have touchpad LED function work.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Add Vostro 3350 into quirks so that the touchpad LED works.
Signed-off-by: Ang Way Chuang <wcang79@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
In all these files, the .power field was never correctly initialized.
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Dave Airlie <airlied@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull trivial updates from Jiri Kosina:
"As usual, it's mostly typo fixes, redundant code elimination and some
documentation updates."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (57 commits)
edac, mips: don't change code that has been removed in edac/mips tree
xtensa: Change mail addresses of Hannes Weiner and Oskar Schirmer
lib: Change mail address of Oskar Schirmer
net: Change mail address of Oskar Schirmer
arm/m68k: Change mail address of Sebastian Hess
i2c: Change mail address of Oskar Schirmer
net: Fix tcp_build_and_update_options comment in struct tcp_sock
atomic64_32.h: fix parameter naming mismatch
Kconfig: replace "--- help ---" with "---help---"
c2port: fix bogus Kconfig "default no"
edac: Fix spelling errors.
qla1280: Remove redundant NULL check before release_firmware() call
remoteproc: remove redundant NULL check before release_firmware()
qla2xxx: Remove redundant NULL check before release_firmware() call.
aic94xx: Get rid of redundant NULL check before release_firmware() call
tehuti: delete redundant NULL check before release_firmware()
qlogic: get rid of a redundant test for NULL before call to release_firmware()
bna: remove redundant NULL test before release_firmware()
tg3: remove redundant NULL test before release_firmware() call
typhoon: get rid of redundant conditional before all to release_firmware()
...
Pull x86 fixes form Peter Anvin
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
intel_mid_powerbtn: mark irq as IRQF_NO_SUSPEND
arch/x86/platform/geode/net5501.c: change active_low to 0 for LED driver
x86, relocs: Remove an unused variable
asm-generic: Use __BITS_PER_LONG in statfs.h
x86/amd: Re-enable CPU topology extensions in case BIOS has disabled it
So that the power button still wakes up the platform.
Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>
Link: http://lkml.kernel.org/r/20120504210244.F2EA5A018B@akpm.mtv.corp.google.com
Tested-by: Kangkai Yin <kangkai.yin@intel.com>
Tested-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Merge fixes from Andrew Morton:
"13 fixes. The acerhdf patches aren't (really) fixes. But they've
been stuck in my tree for up to two years, sent to Matthew multiple
times and the developers are unhappy."
* emailed from Andrew Morton <akpm@linux-foundation.org>: (13 patches)
mm: fix NULL ptr dereference in move_pages
mm: fix NULL ptr dereference in migrate_pages
revert "proc: clear_refs: do not clear reserved pages"
drivers/rtc/rtc-ds1307.c: fix BUG shown with lock debugging enabled
arch/arm/mach-ux500/mbox-db5500.c: world-writable sysfs fifo file
hugetlbfs: lockdep annotate root inode properly
acerhdf: lowered default temp fanon/fanoff values
acerhdf: add support for new hardware
acerhdf: add support for Aspire 1410 BIOS v1.3314
fs/buffer.c: remove BUG() in possible but rare condition
mm: fix up the vmscan stat in vmstat
epoll: clear the tfile_check_list on -ELOOP
mm/hugetlb: fix warning in alloc_huge_page/dequeue_huge_page_vma
Due to new supported hardware, of which the actual temperature limits of
processor, harddisk and other components are unknown, it feels safer with
lower fanon / fanoff settings.
It won't change much for most people, already using acerhdf, as they use
their own fanon/fanoff variable settings when loading the module.
Furthermore seems like kernel and userspace tools have been improved to
work more efficient and netbooks don't get so hot anymore.
Signed-off-by: Peter Feuerer <peter@piie.net>
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add support for new hardware:
Acer Aspire LT-10Q/531/751/1810/1825,
Acer Travelmate 7730,
Packard Bell ENBFT/DOTVR46
Signed-off-by: Peter Feuerer <peter@piie.net>
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add missing DMI_NONE entry to end of the quirks list so
dmi_check_system() won't read past the end of the list.
Signed-off-by: Martin Nyhus <martin.nyhus@gmx.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
We can't control order here, and getting it inverted is harmless. So
turn this down to dev_info() and leave a note about how to fix it in
case userspace is insufficiently automagic.
Bugzilla: https://bugzilla.redhat.com/794953
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Merge with latest Linus' tree, as I have incoming patches
that fix code that is newer than current HEAD of for-next.
Conflicts:
drivers/net/ethernet/realtek/r8169.c
Pull ACPI & Power Management changes from Len Brown:
- ACPI 5.0 after-ripples, ACPICA/Linux divergence cleanup
- cpuidle evolving, more ARM use
- thermal sub-system evolving, ditto
- assorted other PM bits
Fix up conflicts in various cpuidle implementations due to ARM cpuidle
cleanups (ARM at91 self-refresh and cpu idle code rewritten into
"standby" in asm conflicting with the consolidation of cpuidle time
keeping), trivial SH include file context conflict and RCU tracing fixes
in generic code.
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (77 commits)
ACPI throttling: fix endian bug in acpi_read_throttling_status()
Disable MCP limit exceeded messages from Intel IPS driver
ACPI video: Don't start video device until its associated input device has been allocated
ACPI video: Harden video bus adding.
ACPI: Add support for exposing BGRT data
ACPI: export acpi_kobj
ACPI: Fix logic for removing mappings in 'acpi_unmap'
CPER failed to handle generic error records with multiple sections
ACPI: Clean redundant codes in scan.c
ACPI: Fix unprotected smp_processor_id() in acpi_processor_cst_has_changed()
ACPI: consistently use should_use_kmap()
PNPACPI: Fix device ref leaking in acpi_pnp_match
ACPI: Fix use-after-free in acpi_map_lsapic
ACPI: processor_driver: add missing kfree
ACPI, APEI: Fix incorrect APEI register bit width check and usage
Update documentation for parameter *notrigger* in einj.txt
ACPI, APEI, EINJ, new parameter to control trigger action
ACPI, APEI, EINJ, limit the range of einj_param
ACPI, APEI, Fix ERST header length check
cpuidle: power_usage should be declared signed integer
...
On a system on the thermal limit these are quite noisy and flood the logs.
Better would be a counter anyways. But given that we don't even have
anything for normal throttling this doesn't seem to be urgent either.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Pull x86 platform driver updates from Matthew Garrett:
"Some significant updates to samsung-laptop, additional hardware
support for Toshibas, misc updates to various hardware and a new
backlight driver for some Apple machines."
Fix up trivial conflicts: geode Geos update happening next to net5501
support, and MSIC thermal platform support added twice.
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (77 commits)
acer-wmi: add quirk table for video backlight vendor mode
drivers/platform/x86/amilo-rfkill.c::amilo_rfkill_probe() avoid NULL deref
samsung-laptop: unregister ACPI video module for some well known laptops
acer-wmi: No wifi rfkill on Sony machines
thinkpad-acpi: recognize Lenovo as version string in newer V-series BIOS
asus-wmi: don't update power and brightness when using scalar
eeepc-wmi: split et2012 specific hacks
eeepc-wmi: refine quirks handling
asus-nb-wmi: set panel_power correctly
asus-wmi: move WAPF variable into quirks_entry
asus-wmi: store backlight power status for AIO machine
asus-wmi: add scalar board brightness adj. support
samsung-laptop: cleanup return type: mode_t vs umode_t
drivers, samsung-laptop: fix usage of isalnum
drivers, samsung-laptop: fix initialization of sabi_data in sabi_set_commandb
asus-wmi: on/off bit is not set when reading the value
eeepc-wmi: add extra keymaps for EP121
asus-nb-wmi: ignore useless keys
acer-wmi: support Lenovo ideapad S205 Brazos wifi switch
acer-wmi: fix out of input parameter size when set
...
This patch updates Jonathan Woithe's contact details across the kernel tree.
Signed-off-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
