Add support for the trackpad on HP Chromebook 14.
Signed-off-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Acer C720 has touchpad and light sensor connected to a separate I2C buses.
Since the designware I2C host controller driver has two instances on this
particular machine we need a way to match the correct instance. Add support
for this and then register both C720 touchpad and light sensor.
This code is based on following patch from Benson Leung:
https://patchwork.kernel.org/patch/3074411/
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Since backlight core returns props.brightness in case get_brightness
is not implemented trivial implementations are not needed anymore.
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Pull x86 platform driver updates from Matthew Garrett:
"Very little of excitement here - the most significant is a new driver
for detecting device freefall on Dells, other than that it's pretty
much entirely minor fixes for specific machines"
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
hp-wmi: Enable hotkeys on some systems
thinkpad_acpi: Add mappings for F9 - F12 hotkeys on X240 / T440 / T540
platform: x86: dell-smo8800: Dell Latitude freefall driver (ACPI SMO8800/SMO8810)
ideapad_laptop: Introduce the use of the managed version of kzalloc
platform/x86: Fix run-time dependencies of OLPC drivers
platform: x86: asus-wmi.c: Cleaning up uninitialized variables
ix86/mid/thermal: Introduce the use of the managed version of kzalloc
platform x86 Kconfig: Refer to the laptop list in the Compal driver help
Documentation: Add list of laptop models supported by the Compal driver
ideapad-laptop: Blacklist rfkill control on the Lenovo Yoga 2 11
asus-wmi: Set WAPF to 4 for Asus X550CA
alienware-wmi: For WMAX HDMI method, introduce a way to query HDMI cable status
alienware-wmi: Update WMAX brightness method limit to 15
pvpanic: Set high notifier priority
platform/x86: samsung-laptop: Add support for Samsung's NP7[34]0U3E models.
toshiba_acpi: Add alternative keymap support for Satellite M840
platform-drivers-x86: intel_pmic_gpio: Fix off-by-one valid offset range check
This is a third attempt to enable these buttons. The new variable being
commit 997daa1bd9 (i.e. hp-wmi: detect
"2009 BIOS or later"). Older systems that do not have the 2009 BIOS query
method respond with a dummy value, in this case 4. Using that, we can
target a fairly narrow group of systems. i.e. old enough to not have
HPWMI_FEATURE_QUERY 0xd, but new enough to have HPWMI_BIOS_QUERY 0x9.
This group may be further limited if some systems respond with something
other than 4 to non-existant feature queries.
Signed-off-by: Kyle Evans <kvans32@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The T440s user guide says that when Fn-lock is not active, the *40s' F9 - F12
keys should be mapped to: control-panel, search, show-all-windows and Computer.
These keys generate the sofar unused 28 - 31 hotkey scancodes.
For the first 2 this nicely matches the icons on the keys, for the latter 2
the icons are somewhat creative, which is why I ended up looking them up in
the user manual.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This acpi driver provide supports for freefall sensors SMO8800/SMO8810 which
can be found on Dell Latitude laptops. Driver register /dev/freefall misc
device which has same interface as driver hp_accel freefall driver. So any
existing applications for HP freefall sensor /dev/freefall will work for with
this new driver for Dell Latitude laptops too.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Cc: Sonal Santan <sonal.santan@gmail.com>
Tested-By: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Acked-By: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This patch moves data allocated using kzalloc to managed data allocated
using devm_kzalloc and cleans now unnecessary kfrees in probe and remove
functions. The label sysfs_failed is removed as it is no longer
required. Also, linux/device.h is added to make sure the devm_*()
routine declarations are unambiguously available.
The following Coccinelle semantic patch was used for making the change:
@platform@
identifier p, probefn, removefn;
@@
struct platform_driver p = {
.probe = probefn,
.remove = removefn,
};
@prb@
identifier platform.probefn, pdev;
expression e, e1, e2;
@@
probefn(struct platform_device *pdev, ...) {
<+...
- e = kzalloc(e1, e2)
+ e = devm_kzalloc(&pdev->dev, e1, e2)
...
?-kfree(e);
...+>
}
@rem depends on prb@
identifier platform.removefn;
expression e;
@@
removefn(...) {
<...
- kfree(e);
...>
}
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Let the xo15-ebook driver depend on OLPC as all other OLPC drivers
already do. Add COMPILE_TEST as an alternative for both xo1-rfkill
and xo15-ebook, to increase the build testing coverage.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
There is a risk that the variable will be used without being initialized.
This was largely found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This patch moves data allocated using kzalloc to managed data allocated
using devm_kzalloc and cleans now unnecessary kfrees in probe and remove
functions.
The following Coccinelle semantic patch was used for making the change:
@platform@
identifier p, probefn, removefn;
@@
struct platform_driver p = {
.probe = probefn,
.remove = removefn,
};
@prb@
identifier platform.probefn, pdev;
expression e, e1, e2;
@@
probefn(struct platform_device *pdev, ...) {
<+...
- e = kzalloc(e1, e2)
+ e = devm_kzalloc(&pdev->dev, e1, e2)
...
?-kfree(e);
...+>
}
@rem depends on prb@
identifier platform.removefn;
expression e;
@@
removefn(...) {
<...
- kfree(e);
...>
}
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The Lenovo Yoga 2 11 always reports everything as blocked, causing userspace
to not even try to use the wlan / bluetooth even though they work fine.
Note this patch also removes the "else priv->rfk[i] = NULL;" bit of the
rfkill initialization, it is not necessary as the priv struct is allocated
with kzalloc.
Reported-and-tested-by: Vincent Gerris <vgerris@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The 'asus-nb-wmi' WAPF parameter must be set to 4, so the internal Wireless LAN device is operational.
Signed-off-by: Andreas Utterberg <andreas.utterberg@thundera.se>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Since there are now multiple HDMI attributes associated with the WMAX method,
create a sysfs group for them instead.
Signed-off-by: Mario Limonciello <mario_limonciello@dell.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Pull input updates from Dmitry Torokhov:
"A big update to the Atmel touchscreen driver, devm support for polled
input devices, several drivers have been converted to using managed
resources, and assorted driver fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (87 commits)
Input: synaptics - fix resolution for manually provided min/max
Input: atmel_mxt_ts - fix invalid return from mxt_get_bootloader_version
Input: max8997_haptic - add error handling for regulator and pwm
Input: elantech - don't set bit 1 of reg_10 when the no_hw_res quirk is set
Input: elantech - deal with clickpads reporting right button events
Input: edt-ft5x06 - fix an i2c write for M09 support
Input: omap-keypad - remove platform data support
ARM: OMAP2+: remove unused omap4-keypad file and code
Input: ab8500-ponkey - switch to using managed resources
Input: max8925_onkey - switch to using managed resources
Input: 88pm860x-ts - switch to using managed resources
Input: 88pm860x_onkey - switch to using managed resources
Input: intel-mid-touch - switch to using managed resources
Input: wacom - process outbound for newer Cintiqs
Input: wacom - set stylus_in_proximity when pen is in range
DTS: ARM: OMAP3-N900: Add tsc2005 support
Input: tsc2005 - add DT support
Input: add common DT binding for touchscreens
Input: jornada680_kbd - switch top using managed resources
Input: adp5520-keys - switch to using managed resources
...
This more closely reflects what the hardware can actually support.
Signed-off-by: Mario Limonciello <mario_limonciello@dell.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
We've observed the missing pvpanic call at panic, and it turned out
that this was blocked by the broken notifier of drm_fb_helper, where
scheduling may be called during switching to the fb console.
It's fairly difficult to fix the drm_fb problem and a quick fix isn't
foreseen, a simpler solution for the missing pvpanic call would be
just to call this earlier.
In order to assure that, this patch sets a higher priority to pvpanic
notifier_block. Once when the issue of drm_fb is resolved, we can
remove this priority again.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
These models have only 4 levels of keyboard backlight brightness and forget
how to work the backlight after resuming from S3 sleep. I've added a quirk
to set the appropriate number of backlight levels, and one to re-enable the
keyboard backlight on resume.
(Whitespace cleaned up by Matthew Garrett)
Signed-off-by: Scott Thrasher <scott.thrasher@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Toshiba Satellite M840 laptop has a complete different keymap although
it's bound with the same ACPI ID "TOS1900". This patch provides an
alternative keymap specific to this machine by identifying via DMI
matching. The keymap table doesn't fill all entries that were used
before since some keys aren't found on this machine at all.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=69761
Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=812209
Reported-and-tested-by: Federico Vecchiarelli <fedev@gmx.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Only pin 0-7 support input, so the valid offset range should be 0 ~ 7.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
- ACPICA update to upstream version 20140424. That includes a
number of fixes and improvements related to things like GPE
handling, table loading, headers, memory mapping and unmapping,
DSDT/SSDT overriding, and the Unload() operator. The acpidump
utility from upstream ACPICA is included too. From Bob Moore,
Lv Zheng, David Box, David Binderman, and Colin Ian King.
- Fixes and cleanups related to ACPI video and backlight interfaces
from Hans de Goede. That includes blacklist entries for some new
machines and using native backlight by default.
- ACPI device enumeration changes to create platform devices
rather than PNP devices for ACPI device objects with _HID by
default. PNP devices will still be created for the ACPI device
object with device IDs corresponding to real PNP devices, so
that change should not break things left and right, and we're
expecting to see more and more ACPI-enumerated platform devices
in the future. From Zhang Rui and Rafael J Wysocki.
- Updates for the ACPI LPSS (Low-Power Subsystem) driver allowing
it to handle system suspend/resume on Asus T100 correctly.
From Heikki Krogerus and Rafael J Wysocki.
- PM core update introducing a mechanism to allow runtime-suspended
devices to stay suspended over system suspend/resume transitions
if certain additional conditions related to coordination within
device hierarchy are met. Related PM documentation update and
ACPI PM domain support for the new feature. From Rafael J Wysocki.
- Fixes and improvements related to the "freeze" sleep state. They
affect several places including cpuidle, PM core, ACPI core, and
the ACPI battery driver. From Rafael J Wysocki and Zhang Rui.
- Miscellaneous fixes and updates of the ACPI core from Aaron Lu,
Bjørn Mork, Hanjun Guo, Lan Tianyu, and Rafael J Wysocki.
- Fixes and cleanups for the ACPI processor and ACPI PAD (Processor
Aggregator Device) drivers from Baoquan He, Manuel Schölling,
Tony Camuso, and Toshi Kani.
- System suspend/resume optimization in the ACPI battery driver from
Lan Tianyu.
- OPP (Operating Performance Points) subsystem updates from
Chander Kashyap, Mark Brown, and Nishanth Menon.
- cpufreq core fixes, updates and cleanups from Srivatsa S Bhat,
Stratos Karafotis, and Viresh Kumar.
- Updates, fixes and cleanups for the Tegra, powernow-k8, imx6q,
s5pv210, nforce2, and powernv cpufreq drivers from Brian Norris,
Jingoo Han, Paul Bolle, Philipp Zabel, Stratos Karafotis, and
Viresh Kumar.
- intel_pstate driver fixes and cleanups from Dirk Brandewie,
Doug Smythies, and Stratos Karafotis.
- Enabling the big.LITTLE cpufreq driver on arm64 from Mark Brown.
- Fix for the cpuidle menu governor from Chander Kashyap.
- New ARM clps711x cpuidle driver from Alexander Shiyan.
- Hibernate core fixes and cleanups from Chen Gang, Dan Carpenter,
Fabian Frederick, Pali Rohár, and Sebastian Capella.
- Intel RAPL (Running Average Power Limit) driver updates from
Jacob Pan.
- PNP subsystem updates from Bjorn Helgaas and Fabian Frederick.
- devfreq core updates from Chanwoo Choi and Paul Bolle.
- devfreq updates for exynos4 and exynos5 from Chanwoo Choi and
Bartlomiej Zolnierkiewicz.
- turbostat tool fix from Jean Delvare.
- cpupower tool updates from Prarit Bhargava, Ramkumar Ramachandra
and Thomas Renninger.
- New ACPI ec_access.c tool for poking at the EC in a safe way
from Thomas Renninger.
/
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Merge tag 'pm+acpi-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm into next
Pull ACPI and power management updates from Rafael Wysocki:
"ACPICA is the leader this time (63 commits), followed by cpufreq (28
commits), devfreq (15 commits), system suspend/hibernation (12
commits), ACPI video and ACPI device enumeration (10 commits each).
We have no major new features this time, but there are a few
significant changes of how things work. The most visible one will
probably be that we are now going to create platform devices rather
than PNP devices by default for ACPI device objects with _HID. That
was long overdue and will be really necessary to be able to use the
same drivers for the same hardware blocks on ACPI and DT-based systems
going forward. We're not expecting fallout from this one (as usual),
but it's something to watch nevertheless.
The second change having a chance to be visible is that ACPI video
will now default to using native backlight rather than the ACPI
backlight interface which should generally help systems with broken
Win8 BIOSes. We're hoping that all problems with the native backlight
handling that we had previously have been addressed and we are in a
good enough shape to flip the default, but this change should be easy
enough to revert if need be.
In addition to that, the system suspend core has a new mechanism to
allow runtime-suspended devices to stay suspended throughout system
suspend/resume transitions if some extra conditions are met
(generally, they are related to coordination within device hierarchy).
However, enabling this feature requires cooperation from the bus type
layer and for now it has only been implemented for the ACPI PM domain
(used by ACPI-enumerated platform devices mostly today).
Also, the acpidump utility that was previously shipped as a separate
tool will now be provided by the upstream ACPICA along with the rest
of ACPICA code, which will allow it to be more up to date and better
supported, and we have one new cpuidle driver (ARM clps711x).
The rest is improvements related to certain specific use cases,
cleanups and fixes all over the place.
Specifics:
- ACPICA update to upstream version 20140424. That includes a number
of fixes and improvements related to things like GPE handling,
table loading, headers, memory mapping and unmapping, DSDT/SSDT
overriding, and the Unload() operator. The acpidump utility from
upstream ACPICA is included too. From Bob Moore, Lv Zheng, David
Box, David Binderman, and Colin Ian King.
- Fixes and cleanups related to ACPI video and backlight interfaces
from Hans de Goede. That includes blacklist entries for some new
machines and using native backlight by default.
- ACPI device enumeration changes to create platform devices rather
than PNP devices for ACPI device objects with _HID by default. PNP
devices will still be created for the ACPI device object with
device IDs corresponding to real PNP devices, so that change should
not break things left and right, and we're expecting to see more
and more ACPI-enumerated platform devices in the future. From
Zhang Rui and Rafael J Wysocki.
- Updates for the ACPI LPSS (Low-Power Subsystem) driver allowing it
to handle system suspend/resume on Asus T100 correctly. From
Heikki Krogerus and Rafael J Wysocki.
- PM core update introducing a mechanism to allow runtime-suspended
devices to stay suspended over system suspend/resume transitions if
certain additional conditions related to coordination within device
hierarchy are met. Related PM documentation update and ACPI PM
domain support for the new feature. From Rafael J Wysocki.
- Fixes and improvements related to the "freeze" sleep state. They
affect several places including cpuidle, PM core, ACPI core, and
the ACPI battery driver. From Rafael J Wysocki and Zhang Rui.
- Miscellaneous fixes and updates of the ACPI core from Aaron Lu,
Bjørn Mork, Hanjun Guo, Lan Tianyu, and Rafael J Wysocki.
- Fixes and cleanups for the ACPI processor and ACPI PAD (Processor
Aggregator Device) drivers from Baoquan He, Manuel Schölling, Tony
Camuso, and Toshi Kani.
- System suspend/resume optimization in the ACPI battery driver from
Lan Tianyu.
- OPP (Operating Performance Points) subsystem updates from Chander
Kashyap, Mark Brown, and Nishanth Menon.
- cpufreq core fixes, updates and cleanups from Srivatsa S Bhat,
Stratos Karafotis, and Viresh Kumar.
- Updates, fixes and cleanups for the Tegra, powernow-k8, imx6q,
s5pv210, nforce2, and powernv cpufreq drivers from Brian Norris,
Jingoo Han, Paul Bolle, Philipp Zabel, Stratos Karafotis, and
Viresh Kumar.
- intel_pstate driver fixes and cleanups from Dirk Brandewie, Doug
Smythies, and Stratos Karafotis.
- Enabling the big.LITTLE cpufreq driver on arm64 from Mark Brown.
- Fix for the cpuidle menu governor from Chander Kashyap.
- New ARM clps711x cpuidle driver from Alexander Shiyan.
- Hibernate core fixes and cleanups from Chen Gang, Dan Carpenter,
Fabian Frederick, Pali Rohár, and Sebastian Capella.
- Intel RAPL (Running Average Power Limit) driver updates from Jacob
Pan.
- PNP subsystem updates from Bjorn Helgaas and Fabian Frederick.
- devfreq core updates from Chanwoo Choi and Paul Bolle.
- devfreq updates for exynos4 and exynos5 from Chanwoo Choi and
Bartlomiej Zolnierkiewicz.
- turbostat tool fix from Jean Delvare.
- cpupower tool updates from Prarit Bhargava, Ramkumar Ramachandra
and Thomas Renninger.
- New ACPI ec_access.c tool for poking at the EC in a safe way from
Thomas Renninger"
* tag 'pm+acpi-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (187 commits)
ACPICA: Namespace: Remove _PRP method support.
intel_pstate: Improve initial busy calculation
intel_pstate: add sample time scaling
intel_pstate: Correct rounding in busy calculation
intel_pstate: Remove C0 tracking
PM / hibernate: fixed typo in comment
ACPI: Fix x86 regression related to early mapping size limitation
ACPICA: Tables: Add mechanism to control early table checksum verification.
ACPI / scan: use platform bus type by default for _HID enumeration
ACPI / scan: always register ACPI LPSS scan handler
ACPI / scan: always register memory hotplug scan handler
ACPI / scan: always register container scan handler
ACPI / scan: Change the meaning of missing .attach() in scan handlers
ACPI / scan: introduce platform_id device PNP type flag
ACPI / scan: drop unsupported serial IDs from PNP ACPI scan handler ID list
ACPI / scan: drop IDs that do not comply with the ACPI PNP ID rule
ACPI / PNP: use device ID list for PNPACPI device enumeration
ACPI / scan: .match() callback for ACPI scan handlers
ACPI / battery: wakeup the system only when necessary
power_supply: allow power supply devices registered w/o wakeup source
...
Here is the big staging driver pull request for 3.16-rc1.
Lots of stuff here, tons of cleanup patches, a few new drivers, and some
removed as well, but I think we are still adding a few thousand more
lines than we remove, due to the new drivers being bigger than the ones
deleted.
One notible bit of work did stand out, Jes Sorensen has gone on a tear,
fixing up a wireless driver to be "more sane" than it originally was
from the vendor, with over 500 patches merged here. Good stuff, and a
number of users laptops are better off for it.
All of this has been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging into next
Pull staging driver updates from Greg KH:
"Here is the big staging driver pull request for 3.16-rc1.
Lots of stuff here, tons of cleanup patches, a few new drivers, and
some removed as well, but I think we are still adding a few thousand
more lines than we remove, due to the new drivers being bigger than
the ones deleted.
One notible bit of work did stand out, Jes Sorensen has gone on a
tear, fixing up a wireless driver to be "more sane" than it originally
was from the vendor, with over 500 patches merged here. Good stuff,
and a number of users laptops are better off for it.
All of this has been in linux-next for a while"
* tag 'staging-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1703 commits)
staging: skein: fix sparse warning for static declarations
staging/mt29f_spinand: coding style fixes
staging: silicom: fix sparse warning for static variable
staging: lustre: Fix coding style
staging: android: binder.c: Use more appropriate functions for euid retrieval
staging: lustre: fix integer as NULL pointer warnings
Revert "staging: dgap: remove unneeded kfree() in dgap_tty_register_ports()"
Staging: rtl8192u: r8192U_wx.c Fixed a misplaced brace
staging: ion: shrink highmem pages on kswapd
staging: ion: use compound pages on high order pages for system heap
staging: ion: remove struct ion_page_pool_item
staging: ion: simplify ion_page_pool_total()
staging: ion: tidy up a bit
staging: rtl8723au: Remove redundant casting in usb_ops_linux.c
staging: rtl8723au: Remove redundant casting in rtl8723a_hal_init.c
staging: rtl8723au: Remove redundant casting in rtw_xmit.c
staging: rtl8723au: Remove redundant casting in rtw_wlan_util.c
staging: rtl8723au: Remove redundant casting in rtw_sta_mgt.c
staging: rtl8723au: Remove redundant casting in rtw_recv.c
staging: rtl8723au: Remove redundant casting in rtw_mlme.c
...
pci_bus_add_device() always returns 0, so there's no point in returning
anything at all. Make it a void function and remove the tests of the
return value from the callers.
[bhelgaas: changelog, remove unused "err" from i82875p_setup_overfl_dev()]
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
By reading the touchscreen configuration from the settings that the
maXTouch chip is actually using, we can remove some platform data.
The matrix size is not used for anything, and results in some rather
confusing code to re-read it because it may change when configuration
is downloaded, so don't print it out.
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Acked-by: Benson Leung <bleung@chromium.org>
Acked-by: Yufeng Shen <miletus@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The Aspire 5741 has broken acpi-video backlight control, so add it to the
quirk table.
References: https://bugzilla.redhat.com/show_bug.cgi?id=1012674
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Switch from acpi_video_unregister(), to acpi_video_unregister_backlight(),
so that the hotkeys handler registered by acpi-video stays in place.
Since there are no mappings for the atkbd raw codes for the brightness
keys used by newer Acer models in /lib/udev/hwdb.d/60-keyboard.hwdb, and
since we map the wmi events with a code of KE_IGNORE, we rely on acpi-video
to do the hotkey handling for us.
For laptops such as the Acer Aspire 5750 which uses intel gfx this works
despite us calling acpi_video_unregister() because the following happens:
1) acpi-video module gets loaded (as it is a dependency of acer-wmi and i915)
2) acpi-video does NOT call acpi_video_register()
3) acer-wmi loads (assume it loads before i915), calls
acpi_video_dmi_promote_vendor(); which sets
ACPI_VIDEO_BACKLIGHT_DMI_VENDOR
4) calls acpi_video_unregister -> not registered, nop
5) i915 loads, calls acpi_video_register
6) acpi_video_register registers the acpi_notifier for the hotkeys,
does NOT register a backlight device because of
ACPI_VIDEO_BACKLIGHT_DMI_VENDOR
But on the Acer Aspire 5750G, which uses nvidia graphics the following happens:
1) acpi-video module gets loaded (as it is a dependency of acer-wmi)
2) acpi-video calls acpi_video_register()
3) acpi_video_register registers the acpi_notifier for the hotkeys,
and a backlight device
4) acer-wmi loads, calls acpi_video_dmi_promote_vendor()
5) calls acpi_video_unregister, this unregisters BOTH the acpi_notifier for
the hotkeys AND the backlight device
And we end up without any handler for the brightness hotkeys. This patch fixes
this by switching over to acpi_video_unregister_backlight() which keeps the
hotkey handler in place.
References: https://bugzilla.kernel.org/show_bug.cgi?id=35622
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* The mapping of the GPIO numbers into the T19 status byte varies between
different maXTouch chips. Some have up to 7 GPIOs. Allowing a keycode array
of up to 8 items is simpler and more generic. So replace #define with
configurable number of keys which also allows the removal of is_tp.
* Rename platform data parameters to include "t19" to prevent confusion with
T15 key array.
* Probe aborts early on when pdata is NULL, so no need to check.
* Move "int i" to beginning of function (mixed declarations and code)
* Use API calls rather than __set_bit()
* Remove unused dev variable.
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Acked-by: Yufeng Shen <miletus@chromium.org>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
It is not necessary to download these values to the maXTouch chip on every
probe, since they are stored in NVRAM. It makes life difficult when tuning
the device to keep them in sync with the config array/file, and requires a
new kernel build for minor tweaks.
These parameters only represent a tiny subset of the available
configuration options, tracking all of these options in platform data would
be a endless task. In addition, different versions of maXTouch chips may
have these values in different places or may not even have them at all.
Having these values also makes life more complex for device tree and other
platforms where having to define a static configuration isn't helpful.
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Acked-by: Benson Leung <bleung@chromium.org>
Acked-by: Yufeng Shen <miletus@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/platform/goldfish/goldfish_pipe.c: In function 'goldfish_cmd_status':
drivers/platform/goldfish/goldfish_pipe.c:164:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
writel((u32)(u64)pipe, dev->base + PIPE_REG_CHANNEL);
^
drivers/platform/goldfish/goldfish_pipe.c: In function 'goldfish_cmd':
drivers/platform/goldfish/goldfish_pipe.c:180:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
writel((u32)(u64)pipe, dev->base + PIPE_REG_CHANNEL);
^
drivers/platform/goldfish/goldfish_pipe.c: In function 'goldfish_pipe_read_write':
drivers/platform/goldfish/goldfish_pipe.c:337:16: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
writel((u32)(u64)pipe, dev->base + PIPE_REG_CHANNEL);
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: Jun Tian <jun.j.tian@intel.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/platform/goldfish/pdev_bus.c: In function 'goldfish_new_pdev':
drivers/platform/goldfish/pdev_bus.c:136:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
writel((u32)(u64)name, pdev_bus_base + PDEV_BUS_GET_NAME);
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: Jun Tian <jun.j.tian@intel.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use the 64bit helper method to scrub most of the ifdefs from the driver. The
pipe reading has a funny case we can't scrub completely.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patchs adds a new register to pass the upper 32bits for the
device name address when running in 64bit mode.
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Jun Tian <jun.j.tian@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When using multiple adb on 64 bit kernel to transfer data,
the goldfish pipe interrupt will crash the kernel.
Signed-off-by: Jun Tian <jun.j.tian@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Support 64-bit channel and address for the goldfish pipe driver.
Signed-off-by: Jun Tian <jun.j.tian@intel.com>
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Brian Wood <brian.j.wood@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is a bug fix that has been lurking in the Google tree but not pushed
upstream.
From: Octavian Purdila <octavian.purdila@intel.com>
The memory region is already reserved in goldfish_init() during
platform init.
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Jun Tian <jun.j.tian@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Intel test builder caught a few instances that should test if kzalloc failed to
allocate memory as well as a scenario that platform_driver wasn't properly
initialized.
Signed-off-by: Mario Limonciello <mario_limonciello@dell.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The button mappings for the Fujitsu Lifebook T901 and T902 are quite different
from the generic Lifebook T mappings that are defined. This patch adds
mappings that are specific to the hardware on these machines, and allows
users to take advantage of features like screen rotation.
Signed-off-by: Scott K Logan <logans@cottsay.net>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
... so that one can know what this option is about without opening the
long help text.
Cc: Matthew Garrett <matthew.garrett@nebula.com>
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The only real change is passing in event_mask to the formerly nested functions.
Otherwise it's just moving around function and macro code.
This is the only place in the Linux kernel where nested functions are still in
use. Nested functions aren't part of the C standards, and complicate the
generated code. Although the Linux Kernel has never set out to be entirely C
standard compliant, it is increasingly compliant to the standard which is
supported by other compilers such as Clang. The LLVMLinux project is working on
being able to compile the Linux kernel with Clang. The use of nested functions
blocks this effort.
Signed-off-by: Behan Webster <behanw@converseincode.com>
Signed-off-by: Jan-Simon Möller <dl9pf@gmx.de>
CC: David Woodhouse <David.Woodhouse@intel.com>
CC: Matthew Garrett <matthew.garrett@nebula.com>
CC: ibm-acpi-devel@lists.sourceforge.net
CC: platform-driver-x86@vger.kernel.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Dan Aloni has submitted a patch to set adaptive mode to function mode
when system resume back. Thanks Dan. :)
Following patch can make it to be restored to previous mode like What
Windows does.
Thanks,
Shuduo
>From 0ca960138518ceab23110141a0d7c0cafd54a859 Mon Sep 17 00:00:00 2001
From: Shuduo Sang <shuduo.sang@canonical.com>
Date: Thu, 27 Mar 2014 17:51:24 +0800
Subject: [PATCH] save and restore adaptive keyboard mode for suspend and
resume
The mode of adaptive keyboard on X1 Carbon need be saved first before
suspend then it can be restored after resume. Otherwise it will be
unusable.
Signed-off-by: Bruce Ma <bruce.ma@canonical.com>
Signed-off-by: Shuduo Sang <shuduo.sang@canonical.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Submit patch V4 to support Adaptive Keyboard on Thinkpad X1 Carbon 2nd
generation according to Tobias's comments.
Thanks,
Shuduo
>From b153a7b14791c6e01892c0e274e23eefd625fb8d Mon Sep 17 00:00:00 2001
From: Shuduo Sang <shuduo.sang@canonical.com>
Date: Mon, 3 Mar 2014 14:29:32 +0800
Subject: [PATCH] support thinkpad X1 Carbon's adaptive keyboard
Thinkpad X1 Carbon's adaptive keyboard has five modes including Home
mode, Web browser mode, Web conference mode, Function mode and Lay-flat
mode. We support Home mode and Function mode currently.
Signed-off-by: Bruce Ma <bruce.ma@canonical.com>
Signed-off-by: Shuduo Sang <shuduo.sang@canonical.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Given that some new features were added to the
driver, bump its version to 0.20 and add myself
to the copyright list for these new features
that were added.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Recent Toshiba laptops now come equiped with a built in
accelerometer (TOS620A) device, but such device does not
expose the axes information, however, HCI calls 0x006d
and 0x00a6 can be used to query such info.
This patch adds support to read the axes values by
exposing them through the _position_ sysfs file.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Newer Toshiba laptops now come with a feature called
ECO Mode, where the system is put in low power consupmtion
state and a green (world shaped with leaves) icon illuminates
indicating that the system is in such power state.
This patch adds support to turn on/off the ECO led by
creating and registering the toshiba::eco_mode led.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Toshiba laptops have two ways of letting userspace
know the touchpad has changed state, one with a
button on top of the touchpad that simply emmits
scancodes whenever enabled/disabled, and another one
by pressing Fn-F9 (touchpad toggle) hotkey.
This patch adds support to enable/disable the touchpad
by exposing the _touchpad_ file in sysfs that simply
makes a call to a SCI register, imitating what
Toshiba provided software does on Windows.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Toshiba laptops equiped with an illuminated keyboard
can operate in two different modes: Auto and FN-Z.
The Auto mode turns on the led on keystrokes and
automatically turns it off after some (configurable)
time the last key was pressed.
The FN-Z mode is used to toggle the keyboard led on/off
by userspace.
This patch adds support to set the desired KBD mode and
timeout via sysfs, creates and registers toshiba::kbd_backlight
led device whenever the mode is set to FN-Z.
The acceptable values for mode are: 1 (Auto) and 2 (Fn-Z)
The time values range are: 1-60 seconds
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Change the toshiba_illumination_* code to use the
newly introduced SCI functions, making the code
more robust in detecting Illumination capabilities
properly, since it was only opening the SCI and
the return value was never checked for errors or
actual Illumination support.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
SCI stands for System Configuration Interface,
which aim is to conceal differences in hardware
between different models.
This patch introduces four new calls: sci_open,
sci_close, sci_read and sci_write, along with
its definitions and return codes which will be
used by later patches.
More information about the SCI can be found at
Jonathan Buzzard's website [1].
[1] http://www.buzzard.me.uk/toshiba/docs.html
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The mute LED states have to be restored after resume.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=70351
Cc: <stable@vger.kernel.org> [v3.13+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This reverts commit 997ab407d2. This driver is
replaced by the more general SOC IOSF driver in commit 4618441536.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The current value is not available through the SNC device and therefore
the attribute is writable only.
Signed-off-by: Javier Achirica <jachirica@gmail.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Keyboard backlight can be always off, use some automatic trigger
(activity and light sensor), always on.
The behaviour of the driver changes whereby previously when passed 1 it
tried to turn on backlight immediately now it does nothing. This is
however a bug fix since (a) it makes little sense to turn on the
backlight when control is automatic and (b) this behaviour is
consistent with what the windows driver does.
Signed-off-by: Javier Achirica <jachirica@gmail.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Allows to specify if the USB socket should charge attached devices while
the laptop is suspended to ram.
Signed-off-by: Javier Achirica <jachirica@gmail.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Vaio Pro uses a different handle and doesn't support all the options as
other models (only S5 setting v/s S3/4/5).
Minor code rework to generalize functions by Mattia Dongili.
Signed-off-by: Javier Achirica <jachirica@gmail.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Hi all,
my panasonic cf-51 does no longer react to the suspend and hibernate
keys. I cannot tell when this started since I no longer use the machine
on a daily basis, but I suspect it started when userspace switched from
using /proc/acpi/event to the input layer, wich was quite some time ago ;-)
Today I investigated the issue and found that the firmware simply does
not generate any event on "key down" for those keys, but only on "key up".
The attached patch works around the problem.
Best regards,
Stefan
--
Stefan Seyfried
Linux Consultant & Developer -- GPG Key: 0x731B665B
B1 Systems GmbH
Osterfeldstraße 7 / 85088 Vohburg / http://www.b1-systems.de
GF: Ralph Dehner / Unternehmenssitz: Vohburg / AG: Ingolstadt,HRB 3537
>From 7c96fee748cfd3e64732a7ac142f5dea07d7379f Mon Sep 17 00:00:00 2001
From: Stefan Seyfried <seife+kernel@b1-systems.com>
Date: Sun, 2 Mar 2014 17:50:01 +0100
Subject: [PATCH] panasonic-laptop: fix sleep keys on CF-51
At least on my CF-51, both sleep and hibernate keys do not
generate "key down" events, only "key up". Because of this,
the input layer does ignore both keys. The work around is
to generate a key down event before the key up. To avoid
double events on non-broken firmware, this is only done if
no key down is ever seen for those keys.
Signed-off-by: Stefan Seyfried <seife+kernel@b1-systems.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
There have been lots of changes in ALSA core, HD-audio and ASoC, also
most of PCI drivers touched by conversions of printks. All these
resulted in a high volume and wide ranged patch sets in this release.
Many changes are fairly trivial, but also lots of nice cleanups and
refactors. There are a few new drivers, most notably, the Intel
Haswell and Baytrail ASoC driver.
Core changes:
- A bit modernization; embed the device struct into snd_card struct,
so that it may be referred from the beginning. A new snd_card_new()
function is introduced for that, and all drivers have been
converted.
- Simplification in the device management code in ALSA core;
now managed by a simple priority list instead
- Converted many kernel messages to use the standard dev_err() & co;
this would be the pretty visible difference, especially for
HD-audio.
HD-audio:
- Conexant codecs use the auto-parser as default now;
the old static code still remains in case of regressions.
Some old quirks have been rewritten with the fixups for auto-parser.
- C-Media codecs also use the auto-parser as default now, too.
- A device struct is assigned to each HD-audio codec, and the formerly
hwdep attributes are accessible over the codec sysfs, too.
hwdep attributes still remain for compatibility.
- Split the PCI-specific stuff for HD-audio controller into a separate
module, ane make a helper module for the generic controller driver.
This is a preliminary change for supporting Tegra HDMI controller in
near future, which slipped from 3.15 merge.
- Device-specific fixes: mute LED support for Lenovo Ideapad,
mic LED fix for HP laptops, more ASUS subwoofer quirks, yet more
Dell laptop headset quirks
- Make the HD-audio codec response a bit more robust
- A few improvements on Realtek ALC282 / 283 about the pop noises
- A couple of Intel HDMI fixes
ASoC:
- Lots of cleanups for enumerations; refactored lots of error prone
original codes to use more modern APIs
- Elimination of the ASoC level wrappers for I2C and SPI moving us
closer to converting to regmap completely and avoiding some
randconfig hassle
- Provide both manually and transparently locked DAPM APIs rather than
a mix of the two fixing some concurrency issues
- Start converting CODEC drivers to use separate bus interface drivers
rather than having them all in one file helping avoid dependency
issues
- DPCM support for Intel Haswell and Bay Trail platforms, lots of
fixes
- Lots of work on improvements for simple-card, DaVinci and the Renesas
rcar drivers.
- New drivers for Analog Devices ADAU1977, TI PCM512x and parts of the
CSR SiRF SoC, TLV320AIC31XXX, Armada 370 DB, Cirrus cs42xx8
- Fixes for the simple-card DAI format DT mess
- DT support for a couple more devices.
- Use of the tdm_slot mapping in a few drivers
Others:
- Support of reset_resume callback for improved S4 in USB-audio driver;
the device with boot quirks have been little tested, which we need
to watch out in this development cycle
- Add PM support for ICE1712 driver (finally!);
it's still pretty partial support, only for M-Audio devices
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Merge tag 'sound-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"There have been lots of changes in ALSA core, HD-audio and ASoC, also
most of PCI drivers touched by conversions of printks. All these
resulted in a high volume and wide ranged patch sets in this release.
Many changes are fairly trivial, but also lots of nice cleanups and
refactors. There are a few new drivers, most notably, the Intel
Haswell and Baytrail ASoC driver.
Core changes:
- A bit modernization; embed the device struct into snd_card struct,
so that it may be referred from the beginning. A new
snd_card_new() function is introduced for that, and all drivers
have been converted.
- Simplification in the device management code in ALSA core; now
managed by a simple priority list instead
- Converted many kernel messages to use the standard dev_err() & co;
this would be the pretty visible difference, especially for
HD-audio.
HD-audio:
- Conexant codecs use the auto-parser as default now; the old static
code still remains in case of regressions. Some old quirks have
been rewritten with the fixups for auto-parser.
- C-Media codecs also use the auto-parser as default now, too.
- A device struct is assigned to each HD-audio codec, and the
formerly hwdep attributes are accessible over the codec sysfs, too.
hwdep attributes still remain for compatibility.
- Split the PCI-specific stuff for HD-audio controller into a
separate module, ane make a helper module for the generic
controller driver. This is a preliminary change for supporting
Tegra HDMI controller in near future, which slipped from 3.15
merge.
- Device-specific fixes: mute LED support for Lenovo Ideapad, mic LED
fix for HP laptops, more ASUS subwoofer quirks, yet more Dell
laptop headset quirks
- Make the HD-audio codec response a bit more robust
- A few improvements on Realtek ALC282 / 283 about the pop noises
- A couple of Intel HDMI fixes
ASoC:
- Lots of cleanups for enumerations; refactored lots of error prone
original codes to use more modern APIs
- Elimination of the ASoC level wrappers for I2C and SPI moving us
closer to converting to regmap completely and avoiding some
randconfig hassle
- Provide both manually and transparently locked DAPM APIs rather
than a mix of the two fixing some concurrency issues
- Start converting CODEC drivers to use separate bus interface
drivers rather than having them all in one file helping avoid
dependency issues
- DPCM support for Intel Haswell and Bay Trail platforms, lots of
fixes
- Lots of work on improvements for simple-card, DaVinci and the
Renesas rcar drivers.
- New drivers for Analog Devices ADAU1977, TI PCM512x and parts of
the CSR SiRF SoC, TLV320AIC31XXX, Armada 370 DB, Cirrus cs42xx8
- Fixes for the simple-card DAI format DT mess
- DT support for a couple more devices.
- Use of the tdm_slot mapping in a few drivers
Others:
- Support of reset_resume callback for improved S4 in USB-audio
driver; the device with boot quirks have been little tested, which
we need to watch out in this development cycle
- Add PM support for ICE1712 driver (finally!); it's still pretty
partial support, only for M-Audio devices"
* tag 'sound-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (610 commits)
ALSA: ice1712: Add suspend support for M-Audio ICE1712-based cards
ALSA: ice1712: add suspend support for ICE1712 chip
ALSA: hda - Enable beep for ASUS 1015E
ALSA: asihpi: fix some indenting in snd_card_asihpi_pcm_new()
ALSA: hda - add headset mic detect quirks for three Dell laptops
ASoC: tegra: move AC97 clock handling to the machine driver
ASoC: simple-card: Handle many DAI links
ASoC: simple-card: Add DT documentation for multi-DAI links
ASoC: simple-card: dynamically allocate the DAI link and properties
ASoC: imx-ssi: Add .xlate_tdm_slot_mask() support.
ASoC: fsl-esai: Add .xlate_tdm_slot_mask() support.
ASoC: fsl-utils: Add fsl_asoc_xlate_tdm_slot_mask() support.
ASoC: core: remove the 'of_' prefix of of_xlate_tdm_slot_mask.
ASoC: rcar: subnode tidyup for renesas,rsnd.txt
ASoC: Remove name_prefix unset during DAI link init hack
ALSA: hda - Inform the unexpectedly ignored pins by auto-parser
ASoC: rcar: bugfix: it cares about the non-src case
ARM: bockw: fixup SND_SOC_DAIFMT_CBx_CFx flags
ASoC: pcm: Drop incorrect double/extra frees
ASoC: mfld_machine: Fix compile error
...
The fujitsu-laptop driver includes <linux/video_output.h> but doesn't
call any of its functions. Drop the unneeded include to avoid
unnecessary driver rebuilds.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Acked-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPI_VIDEO no longer depends on VIDEO_OUTPUT_CONTROL, so drivers which
want to select ACPI_VIDEO no longer have to select
VIDEO_OUTPUT_CONTROL.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Acked-by: "Lee, Chun-Yi" <jlee@suse.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* Use deferred probing on Chrome OS platforms for the i2c
device registration. This fixes a long-standing race of initialization
of touchpad/screen on Chromebooks.
* Added in platform device registration for pstore console on supported hardware
* Misc smaller fixes (__initdata, module exit cleanup, etc)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform
Pull chrome platform cleanups and improvements from Olof Johansson:
- Use deferred probing on Chrome OS platforms for the i2c device
registration. This fixes a long-standing race of initialization of
touchpad/screen on Chromebooks.
- Added in platform device registration for pstore console on supported
hardware
- Misc smaller fixes (__initdata, module exit cleanup, etc)
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform:
platform/chrome: unregister platform driver/device when module exit
platform/chrome: Make i2c_adapter_names static
platform/chrome: chromeos_laptop - fix incorrect placement of __initdata tag
platform/chrome: chromeos_laptop - Use deferred probing
platform/chrome: chromeos_laptop - Restructure device associations
platform/chrome: Add pstore platform_device
Pull x86 platform drivers update from Matthew Garrett:
"Nothing amazingly special here. Some cleanups, a new driver to
support a single button on some new HPs, a tiny amount of hardware
enablement"
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
ipc: add intel-mid's pci id macros
hp-wireless: new driver for hp wireless button for Windows 8
toshiba_acpi: Support RFKILL hotkey scancode
hp_accel: Add a new PnP ID HPQ6007 for new HP laptops
sony-laptop: remove unnecessary assigment of len
fujitsu-laptop: fix error return code
dell-laptop: Only install the i8042 filter when rfkill is active
X86 platform: New BayTrail IOSF-SB MBI driver
drivers: platform: Include appropriate header file in mxm-wmi.c
drivers: platform: Mark functions as static in hp_accel.c
dell-laptop: rkill whitelist Precision models
ipc: simplify platform data approach
asus-wmi: Convert to use devm_hwmon_device_register_with_groups
compal-laptop: Use devm_hwmon_device_register_with_groups
compal-laptop: Replace SENSOR_DEVICE_ATTR with DEVICE_ATTR
eeepc-laptop: Convert to use devm_hwmon_device_register_with_groups
compal-laptop: Use devm_kzalloc to allocate local data structure
dell-laptop: fix to return error code in dell_send_intensity()
- ACPI core changes to make it create a struct acpi_device object for every
device represented in the ACPI tables during all namespace scans regardless
of the current status of that device. In accordance with this, ACPI hotplug
operations will not delete those objects, unless the underlying ACPI tables
go away.
- On top of the above, new sysfs attribute for ACPI device objects allowing
user space to check device status by triggering the execution of _STA for
its ACPI object. From Srinivas Pandruvada.
- ACPI core hotplug changes reducing code duplication, integrating the
PCI root hotplug with the core and reworking container hotplug.
- ACPI core simplifications making it use ACPI_COMPANION() in the code
"glueing" ACPI device objects to "physical" devices.
- ACPICA update to upstream version 20131218. This adds support for the
DBG2 and PCCT tables to ACPICA, fixes some bugs and improves debug
facilities. From Bob Moore, Lv Zheng and Betty Dall.
- Init code change to carry out the early ACPI initialization earlier.
That should allow us to use ACPI during the timekeeping initialization
and possibly to simplify the EFI initialization too. From Chun-Yi Lee.
- Clenups of the inclusions of ACPI headers in many places all over from
Lv Zheng and Rashika Kheria (work in progress).
- New helper for ACPI _DSM execution and rework of the code in drivers
that uses _DSM to execute it via the new helper. From Jiang Liu.
- New Win8 OSI blacklist entries from Takashi Iwai.
- Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun Guo,
Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava, Rashika Kheria,
Tang Chen, Zhang Rui.
- intel_pstate driver updates, including proper Baytrail support, from
Dirk Brandewie and intel_pstate documentation from Ramkumar Ramachandra.
- Generic CPU boost ("turbo") support for cpufreq from Lukasz Majewski.
- powernow-k6 cpufreq driver fixes from Mikulas Patocka.
- cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark Brown.
- Assorted cpufreq drivers fixes and cleanups from Anson Huang, John Tobias,
Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh Kumar.
- cpuidle cleanups from Bartlomiej Zolnierkiewicz.
- Support for hibernation APM events from Bin Shi.
- Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC disabled
during thaw transitions from Bjørn Mork.
- PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf Hansson.
- PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente Kurusa,
Rashika Kheria.
- New tool for profiling system suspend from Todd E Brandt and a cpupower
tool cleanup from One Thousand Gnomes.
/
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Merge tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"As far as the number of commits goes, the top spot belongs to ACPI
this time with cpufreq in the second position and a handful of PM
core, PNP and cpuidle updates. They are fixes and cleanups mostly, as
usual, with a couple of new features in the mix.
The most visible change is probably that we will create struct
acpi_device objects (visible in sysfs) for all devices represented in
the ACPI tables regardless of their status and there will be a new
sysfs attribute under those objects allowing user space to check that
status via _STA.
Consequently, ACPI device eject or generally hot-removal will not
delete those objects, unless the table containing the corresponding
namespace nodes is unloaded, which is extremely rare. Also ACPI
container hotplug will be handled quite a bit differently and cpufreq
will support CPU boost ("turbo") generically and not only in the
acpi-cpufreq driver.
Specifics:
- ACPI core changes to make it create a struct acpi_device object for
every device represented in the ACPI tables during all namespace
scans regardless of the current status of that device. In
accordance with this, ACPI hotplug operations will not delete those
objects, unless the underlying ACPI tables go away.
- On top of the above, new sysfs attribute for ACPI device objects
allowing user space to check device status by triggering the
execution of _STA for its ACPI object. From Srinivas Pandruvada.
- ACPI core hotplug changes reducing code duplication, integrating
the PCI root hotplug with the core and reworking container hotplug.
- ACPI core simplifications making it use ACPI_COMPANION() in the
code "glueing" ACPI device objects to "physical" devices.
- ACPICA update to upstream version 20131218. This adds support for
the DBG2 and PCCT tables to ACPICA, fixes some bugs and improves
debug facilities. From Bob Moore, Lv Zheng and Betty Dall.
- Init code change to carry out the early ACPI initialization
earlier. That should allow us to use ACPI during the timekeeping
initialization and possibly to simplify the EFI initialization too.
From Chun-Yi Lee.
- Clenups of the inclusions of ACPI headers in many places all over
from Lv Zheng and Rashika Kheria (work in progress).
- New helper for ACPI _DSM execution and rework of the code in
drivers that uses _DSM to execute it via the new helper. From
Jiang Liu.
- New Win8 OSI blacklist entries from Takashi Iwai.
- Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun
Guo, Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava,
Rashika Kheria, Tang Chen, Zhang Rui.
- intel_pstate driver updates, including proper Baytrail support,
from Dirk Brandewie and intel_pstate documentation from Ramkumar
Ramachandra.
- Generic CPU boost ("turbo") support for cpufreq from Lukasz
Majewski.
- powernow-k6 cpufreq driver fixes from Mikulas Patocka.
- cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark
Brown.
- Assorted cpufreq drivers fixes and cleanups from Anson Huang, John
Tobias, Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh
Kumar.
- cpuidle cleanups from Bartlomiej Zolnierkiewicz.
- Support for hibernation APM events from Bin Shi.
- Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC
disabled during thaw transitions from Bjørn Mork.
- PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf
Hansson.
- PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente
Kurusa, Rashika Kheria.
- New tool for profiling system suspend from Todd E Brandt and a
cpupower tool cleanup from One Thousand Gnomes"
* tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (153 commits)
thermal: exynos: boost: Automatic enable/disable of BOOST feature (at Exynos4412)
cpufreq: exynos4x12: Change L0 driver data to CPUFREQ_BOOST_FREQ
Documentation: cpufreq / boost: Update BOOST documentation
cpufreq: exynos: Extend Exynos cpufreq driver to support boost
cpufreq / boost: Kconfig: Support for software-managed BOOST
acpi-cpufreq: Adjust the code to use the common boost attribute
cpufreq: Add boost frequency support in core
intel_pstate: Add trace point to report internal state.
cpufreq: introduce cpufreq_generic_get() routine
ARM: SA1100: Create dummy clk_get_rate() to avoid build failures
cpufreq: stats: create sysfs entries when cpufreq_stats is a module
cpufreq: stats: free table and remove sysfs entry in a single routine
cpufreq: stats: remove hotplug notifiers
cpufreq: stats: handle cpufreq_unregister_driver() and suspend/resume properly
cpufreq: speedstep: remove unused speedstep_get_state
platform: introduce OF style 'modalias' support for platform bus
PM / tools: new tool for suspend/resume performance optimization
ACPI: fix module autoloading for ACPI enumerated devices
ACPI: add module autoloading support for ACPI enumerated devices
ACPI: fix create_modalias() return value handling
...
For readability matters, this patch replaces the hardcoded pci ids by
human readable macros.
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This scancode is used in new 2013 models like Satellite P75-A7200.
Signed-off-by: Unai Uribarri <unaiur@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The DriveGuard chips on the new HP laptops are with a new PnP ID
"HPQ6007". It should be compatible with older chips.
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The assignment of len = len is unnecessary, so remove it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
These functions mix the use of result and error. In acpi_fujitsu_add,
result does not seem useful; it would seem reasonable to propagate the
return value of acpi_bus_update_power in an error case. On the other hand,
in the case of acpi_fujitsu_hotkey_add, there is an initialization of
result that can lead to what looks like a failure case, but that does not
abort the function. The variable result is kept for this case.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Installing the i8042 filter is not useful on machines where rfkill is not
whitelisted, so move the filter installation into dell_setup_rfkill,
after the whitelist check.
This avoids doing a needless and potentially troublesome rfkill query
(dell_send_request(buf, 17, 11)) when the wireless Fn key gets pressed on
non whitelisted laptops.
This patch was written as a result of:
https://bugzilla.redhat.com/show_bug.cgi?id=1045807
It is not yet clear if this is related, but it is a good idea to not register
the i8042 filter in general.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Current Intel SOC cores use a MailBox Interface (MBI) to provide access to unit
devices connected to the system fabric. This driver implements access to this
interface on BayTrail platforms. This is a requirement for drivers that need
access to unit registers on the platform (e.g. accessing the PUNIT for power
management features such as RAPL). Serialized access is handled by all exported
routines with spinlocks.
The API includes 3 functions for access to unit registers:
int bt_mbi_read(u8 port, u8 opcode, u32 offset, u32 *mdr)
int bt_mbi_write(u8 port, u8 opcode, u32 offset, u32 mdr)
int bt_mbi_modify(u8 port, u8 opcode, u32 offset, u32 mdr, u32 mask)
port: indicating the unit being accessed
opcode: the read or write port specific opcode
offset: the register offset within the port
mdr: the register data to be read, written, or modified
mask: bit locations in mdr to change
Returns nonzero on error
Note: GPU code handles access to the GFX unit. Therefore access to that unit
with this driver is disallowed to avoid conflicts.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This patch includes appropriate header file linux/mxm-wmi.h in
x86/mxm-wmi.c because functions mxm_wmi_call_mxds(), mxm_wmi_call_mxmx()
and mxm_wmi_supported() have their prototype declaration in
linux/mxm-wmi.h.
Thus, it also eliminates the following warnings in x86/mxm-wmi.c:
drivers/platform/x86/mxm-wmi.c:43:5: warning: no previous prototype for ‘mxm_wmi_call_mxds’ [-Wmissing-prototypes]
drivers/platform/x86/mxm-wmi.c:68:5: warning: no previous prototype for ‘mxm_wmi_call_mxmx’ [-Wmissing-prototypes]
drivers/platform/x86/mxm-wmi.c:93:6: warning: no previous prototype for ‘mxm_wmi_supported’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This patch marks the functions lis3lv02d_acpi_init(),
lis3lv02d_acpi_read() and lis3lv02d_acpi_write() as static in
x86/hp_accel.c because they are not used outside this file.
Thus, it also eliminates the following warnings in x86/hp_accel.c:
drivers/platform/x86/hp_accel.c:91:5: warning: no previous prototype for ‘lis3lv02d_acpi_init’ [-Wmissing-prototypes]
drivers/platform/x86/hp_accel.c:109:5: warning: no previous prototype for ‘lis3lv02d_acpi_read’ [-Wmissing-prototypes]
drivers/platform/x86/hp_accel.c:132:5: warning: no previous prototype for ‘lis3lv02d_acpi_write’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Given that Precision mobile workstations are top of the line Dell products,
I expect the functionality of rfkill there to be as reliable as on Latitudes
so whitelist Precisions.
https://bugzilla.kernel.org/show_bug.cgi?id=65731
Reported-by: Calum Lind <calumlind@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This patch removes the unnecessary enum for platform type to handle the
array of pdatas. We can set pdata directly to pci_device_id struct
instead.
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Simplify the code and avoid race conditions due to late sysfs attribute
registration. Also replace SENSOR_DEVICE_ATTR with DEVICE_ATTR;
the additional parameter is not used and thus unnecessary.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Simplify the code and create hwmon attributes as well as hwmon device in one go.
With the new hwmon API, hwmon attributes are now attached to the hwmon device.
Therefore, split hwmon and device attributes into two separate groups.
Platform attributes are still attached to the platform device.
Also use devm_kzalloc to allocate local data structures for further
simplification.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The extra argument to SENSOR_DEVICE_ATTR is not used. It is therefore not
necessary to use SENSOR_DEVICE_ATTR in the first place. Replace it with
DEVICE_ATTR.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Simplify the code and avoid race condition caused by creating sysfs attributes
after creating the hwmon device.
Also replace SENSOR_DEVICE_ATTR with DEVICE_ATTR since the extra argument
is not used and SENSOR_DEVICE_ATTR is not needed.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Fix to return error code instead always return 0 from function
dell_send_intensity().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Multiple race conditions are possible between the rfkill hotplug in the
asus-wmi and eeepc-laptop drivers and the generic PCI bus rescan and device
removal that can be triggered via sysfs.
To avoid those race conditions make asus-wmi and eeepc-laptop use global
PCI rescan-remove locking around the rfkill hotplug.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
* acpi-cleanup: (22 commits)
ACPI / tables: Return proper error codes from acpi_table_parse() and fix comment.
ACPI / tables: Check if id is NULL in acpi_table_parse()
ACPI / proc: Include appropriate header file in proc.c
ACPI / EC: Remove unused functions and add prototype declaration in internal.h
ACPI / dock: Include appropriate header file in dock.c
ACPI / PCI: Include appropriate header file in pci_link.c
ACPI / PCI: Include appropriate header file in pci_slot.c
ACPI / EC: Mark the function acpi_ec_add_debugfs() as static in ec_sys.c
ACPI / NVS: Include appropriate header file in nvs.c
ACPI / OSL: Mark the function acpi_table_checksum() as static
ACPI / processor: initialize a variable to silence compiler warning
ACPI / processor: use ACPI_COMPANION() to get ACPI device
ACPI: correct minor typos
ACPI / sleep: Drop redundant acpi_disabled check
ACPI / dock: Drop redundant acpi_disabled check
ACPI / table: Replace '1' with specific error return values
ACPI: remove trailing whitespace
ACPI / IBFT: Fix incorrect <acpi/acpi.h> inclusion in iSCSI boot firmware module
ACPI / i915: Fix incorrect <acpi/acpi.h> inclusions via <linux/acpi_io.h>
SFI / ACPI: Fix warnings reported during builds with W=1
...
Conflicts:
drivers/acpi/nvs.c
drivers/hwmon/asus_atk0110.c
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>
We have registered platform driver and device when module
init, and need unregister them when module exit.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Olof Johansson <olof@lixom.net>
Follow-up to commit 294d31e822 ("sony-laptop: don't change keyboard
backlight settings"): avoid messing up the state on resume. Leave it to
what was before suspending as it's anyway likely that we still don't
know what value we should write to the EC registers. This fix is also
required in 3.12
Cc: stable@vger.kernel.org
Tested-by: Karol Babioch <karol@babioch.de>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Not used outside of the file, so declaration should be static. Picked up by
sparse:
drivers/platform/chrome/chromeos_laptop.c:44:12: warning: symbol
'i2c_adapter_names' was not declared. Should it be static?
Signed-off-by: Olof Johansson <olof@lixom.net>
Reviewed-by: Benson Leung <bleung@chromium.org>
__initdata tag should be placed between the variable name and equal
sign for the variable to be placed in the intended .init.data section.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Further refactor chromeos_laptop, adding a probe function.
Init will call dmi_check_system, but will only use the match to select
a chromeos_laptop structure of the current board.
Probe will add the devices, and on errors return -EPROBE_DEFER.
If i2c adapters are loaded after chromeos_laptop inits, the deferred
probe will instantiate the peripherals when the bus appears.
Signed-off-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
The previous code had a single DMI matching entry
for each device on a board. Instead provide a single
DMI entry for each board which references a structure
about each board that lists the associated peripherals.
This allows for a lower number of DMI matching sequences
as well making it easier to add new boards.
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
I just fixed this same bug in arch/powerpc/kernel/vio.c and took a quick
look for other similar errors in the kernel.
modalias_show() should return an empty string on error, not errno.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Benson Leung