Due to a HW limitation, the Latency Tolerance Reporting (LTR) value
programmed in the Tiger Lake GBE controller is not large enough to allow
the platform to enter Package C10, which in turn prevents the platform from
achieving its low power target during suspend-to-idle. Ignore the GBE LTR
value on Tiger Lake. LTR ignore functionality is currently performed solely
by a debugfs write call. Split out the LTR code into its own function that
can be called by both the debugfs writer and by this work around.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Sasha Neftin <sasha.neftin@intel.com>
Cc: intel-wired-lan@lists.osuosl.org
Reviewed-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Link: https://lore.kernel.org/r/20210319201844.3305399-2-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The intel_pmc_core driver is mostly used as a debugging driver for Intel
platforms that support SLPS0 (S0ix). But the driver may also be used to
communicate actions to the PMC in order to ensure transition to SLPS0 on
some systems and architectures. As such the driver should be built on all
platforms it supports. Indicate this in the Kconfig. Also update the list
of supported features.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Suggested-by: Mario Limonciello <mario.limonciello@dell.com>
Link: https://lore.kernel.org/r/20210319201844.3305399-1-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Fixes off-by-one bugs in the macro assignments for the crashlog control
bits. Was initially tested on emulation but bug revealed after testing on
silicon.
Fixes: 5ef9998c96 ("platform/x86: Intel PMT Crashlog capability driver")
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20210317024455.3071477-2-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Initialize the struct resource in intel_pmt_dev_register to zero to avoid a
fault should the char *name field be non-zero.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20210317024455.3071477-1-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Stop reporting SW_DOCK events because this breaks suspend-on-lid-close.
SW_DOCK should only be reported for docking stations, but all the DSDTs in
my DSDT collection which use the intel-vbtn code, always seem to use this
for 2-in-1s / convertibles and set SW_DOCK=1 when in laptop-mode (in tandem
with setting SW_TABLET_MODE=0).
This causes userspace to think the laptop is docked to a port-replicator
and to disable suspend-on-lid-close, which is undesirable.
Map the dock events to KEY_IGNORE to avoid this broken SW_DOCK reporting.
Note this may theoretically cause us to stop reporting SW_DOCK on some
device where the 0xCA and 0xCB intel-vbtn events are actually used for
reporting docking to a classic docking-station / port-replicator but
I'm not aware of any such devices.
Also the most important thing is that we only report SW_DOCK when it
reliably reports being docked to a classic docking-station without any
false positives, which clearly is not the case here. If there is a
chance of reporting false positives then it is better to not report
SW_DOCK at all.
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210321163513.72328-1-hdegoede@redhat.com
Cleanup create_attributes_level_sysfs_files():
1. There is no need to call sysfs_remove_file() on error, sysman_init()
will already call release_attributes_data() on failure which already does
this.
2. There is no need for the pr_debug() calls sysfs_create_file() should
never fail and if it does it will already complain about the problem
itself.
Fixes: e8a60aa740 ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Cc: Divya Bharathi <Divya_Bharathi@dell.com>
Cc: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210321115901.35072-8-hdegoede@redhat.com
When either the attributes or the password interface is not found, then
unregister the 2 wmi drivers again and return -ENODEV from sysman_init().
Fixes: e8a60aa740 ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Cc: Divya Bharathi <Divya_Bharathi@dell.com>
Cc: Mario Limonciello <mario.limonciello@dell.com>
Reported-by: Alexander Naumann <alexandernaumann@gmx.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210321115901.35072-7-hdegoede@redhat.com
Cleanup sysman_init() error-exit handling:
1. There is no need for the fail_reset_bios and fail_authentication_kset
eror-exit cases, these can be handled by release_attributes_data()
2. Rename all the labels from fail_what_failed, to err_what_to_cleanup
this is the usual way to name these and avoids the need to rename
them when extra steps are added.
Fixes: e8a60aa740 ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Cc: Divya Bharathi <Divya_Bharathi@dell.com>
Cc: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210321115901.35072-6-hdegoede@redhat.com
All calls of init_bios_attributes() will result in a
goto fail_create_group if they fail, which calls
release_attributes_data().
So there is no need to call release_attributes_data() from
init_bios_attributes() on failure itself.
Fixes: e8a60aa740 ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Cc: Divya Bharathi <Divya_Bharathi@dell.com>
Cc: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210321115901.35072-5-hdegoede@redhat.com
During some of the error-exit paths it is possible that
release_attributes_data() will get called multiple times,
which results in exit_foo_attributes() getting called multiple
times.
Make it safe to call exit_foo_attributes() multiple times,
avoiding double-free()s in this case.
Note that release_attributes_data() really should only be called
once during error-exit paths. This will be fixed in a separate patch
and it is good to have the exit_foo_attributes() functions modified
this way regardless.
Fixes: e8a60aa740 ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Cc: Divya Bharathi <Divya_Bharathi@dell.com>
Cc: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210321115901.35072-4-hdegoede@redhat.com
It is possible for release_attributes_data() to get called when the
main_dir_kset has not been created yet, move the removal of the bios-reset
sysfs attr to under a if (main_dir_kset) check to avoid a NULL pointer
deref.
Fixes: e8a60aa740 ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Cc: Divya Bharathi <Divya_Bharathi@dell.com>
Cc: Mario Limonciello <mario.limonciello@dell.com>
Reported-by: Alexander Naumann <alexandernaumann@gmx.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210321115901.35072-3-hdegoede@redhat.com
On some system the WMI GUIDs used by dell-wmi-sysman are present but there
are no enum type attributes, this causes init_bios_attributes() to return
-ENODEV, after which sysman_init() does a "goto fail_create_group" and then
calls release_attributes_data().
release_attributes_data() calls kset_unregister(wmi_priv.main_dir_kset);
but before this commit it was missing a "wmi_priv.main_dir_kset = NULL;"
statement; and after calling release_attributes_data() the sysman_init()
error handling does this:
if (wmi_priv.main_dir_kset) {
kset_unregister(wmi_priv.main_dir_kset);
wmi_priv.main_dir_kset = NULL;
}
Which causes a second kset_unregister(wmi_priv.main_dir_kset), leading to
a double-free, which causes a crash.
Add the missing "wmi_priv.main_dir_kset = NULL;" statement to
release_attributes_data() to fix this double-free crash.
Fixes: e8a60aa740 ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Cc: Divya Bharathi <Divya_Bharathi@dell.com>
Cc: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210321115901.35072-2-hdegoede@redhat.com
Testing has shown that setting /sys/firmware/acpi/platform_profile to
"balanced" when /sys/bus/platform/devices/thinkpad_acpi/dytc_lapmode
reports 1, causes dytc_lapmode to get reset to 0 and then it becomes
stuck at 0 for aprox. 30 minutes even if the laptop is used on a lap.
Disabling CQL (when enabled) before issuing the DYTC_CMD_RESET to get
back to balanced mode and re-enabling it afterwards again, like the
code already does when switching to low-power / performance mode fixes
this.
Fixes: c3bfcd4c67 ("platform/x86: thinkpad_acpi: Add platform profile support")
Tested-by: Mark Pearson <markpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210321113108.7069-1-hdegoede@redhat.com
On many recent ThinkPad laptops, there's a new LED next to the ESC key,
that indicates the FnLock status.
When the Fn+ESC combo is pressed, FnLock is toggled, which causes the
Media Key functionality to change, making it so that the media keys
either perform their media key function, or function as an F-key by
default. The Fn key can be used the access the alternate function at any
time.
With the current linux kernel, the LED doens't change state if you press
the Fn+ESC key combo. However, the media key functionality *does*
change. This is annoying, since the LED will stay on if it was on during
bootup, and it makes it hard to keep track what the current state of the
FnLock is.
This patch calls an ACPI function, that gets the current media key
state, when the Fn+ESC key combo is pressed. Through testing it was
discovered that this function causes the LED to update correctly to
reflect the current state when this function is called.
The relevant ACPI calls are the following:
\_SB_.PCI0.LPC0.EC0_.HKEY.GMKS: Get media key state, returns 0x603 if the FnLock mode is enabled, and 0x602 if it's disabled.
\_SB_.PCI0.LPC0.EC0_.HKEY.SMKS: Set media key state, sending a 1 will enable FnLock mode, and a 0 will disable it.
Relevant discussion:
https://bugzilla.kernel.org/show_bug.cgi?id=207841https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1881015
Signed-off-by: Esteve Varela Colominas <esteve.varela@gmail.com>
Link: https://lore.kernel.org/r/20210315195823.23212-1-esteve.varela@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Lenovo platforms with DYTC versions earlier than version 5 don't set
the lapmode interface correctly, causing issues with thermald on
older platforms.
Add checking to only create the dytc_lapmode interface for version
5 and later.
Fixes: 1ac09656bd ("platform/x86: thinkpad_acpi: Add palm sensor support")
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20210311174843.3161-1-markpearson@lenovo.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Like a few other system the Lenovo ThinkPad X1 Tablet Gen 2 miss the
HEBC method, which prevent the power button from working. Add a quirk
to enable the button array on this system family and fix the power
button.
Signed-off-by: Alban Bedel <albeu@free.fr>
Tested-by: Alexander Kobel <a-kobel@a-kobel.de>
Link: https://lore.kernel.org/r/20210222141559.3775-1-albeu@free.fr
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
- Rearrange Kconfig handling of ACPI_PLATFORM_PROFILE, add
"balanced-performance" to the list of supported platform profiles
and fix up some file references in a comment (Maximilian Luz).
- Add support for parsing the ACPI Firmware Performance Data Table
(FPDT) and exposing the data from there via sysfs (Zhang Rui).
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Merge tag 'acpi-5.12-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These make additional changes to the platform profile interface merged
recently and add support for the FPDT ACPI table.
Specifics:
- Rearrange Kconfig handling of ACPI_PLATFORM_PROFILE, add
"balanced-performance" to the list of supported platform profiles
and fix up some file references in a comment (Maximilian Luz).
- Add support for parsing the ACPI Firmware Performance Data Table
(FPDT) and exposing the data from there via sysfs (Zhang Rui)"
* tag 'acpi-5.12-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: platform: Add balanced-performance platform profile
ACPI: platform: Fix file references in comment
ACPI: platform: Hide ACPI_PLATFORM_PROFILE option
ACPI: tables: introduce support for FPDT table
Drop support for depercated platforms using SFI, drop the entire
support for SFI that has been long deprecated too and make some
janitorial changes on top of that (Andy Shevchenko).
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Merge tag 'sfi-removal-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull Simple Firmware Interface (SFI) support removal from Rafael Wysocki:
"Drop support for depercated platforms using SFI, drop the entire
support for SFI that has been long deprecated too and make some
janitorial changes on top of that (Andy Shevchenko)"
* tag 'sfi-removal-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
x86/platform/intel-mid: Update Copyright year and drop file names
x86/platform/intel-mid: Remove unused header inclusion in intel-mid.h
x86/platform/intel-mid: Drop unused __intel_mid_cpu_chip and Co.
x86/platform/intel-mid: Get rid of intel_scu_ipc_legacy.h
x86/PCI: Describe @reg for type1_access_ok()
x86/PCI: Get rid of custom x86 model comparison
sfi: Remove framework for deprecated firmware
cpufreq: sfi-cpufreq: Remove driver for deprecated firmware
media: atomisp: Remove unused header
mfd: intel_msic: Remove driver for deprecated platform
x86/apb_timer: Remove driver for deprecated platform
x86/platform/intel-mid: Remove unused leftovers (vRTC)
x86/platform/intel-mid: Remove unused leftovers (msic)
x86/platform/intel-mid: Remove unused leftovers (msic_thermal)
x86/platform/intel-mid: Remove unused leftovers (msic_power_btn)
x86/platform/intel-mid: Remove unused leftovers (msic_gpio)
x86/platform/intel-mid: Remove unused leftovers (msic_battery)
x86/platform/intel-mid: Remove unused leftovers (msic_ocd)
x86/platform/intel-mid: Remove unused leftovers (msic_audio)
platform/x86: intel_scu_wdt: Drop mistakenly added const
Here is the large set of char/misc/whatever driver subsystem updates for
5.12-rc1. Over time it seems like this tree is collecting more and more
tiny driver subsystems in one place, making it easier for those
maintainers, which is why this is getting larger.
Included in here are:
- coresight driver updates
- habannalabs driver updates
- virtual acrn driver addition (proper acks from the x86
maintainers)
- broadcom misc driver addition
- speakup driver updates
- soundwire driver updates
- fpga driver updates
- amba driver updates
- mei driver updates
- vfio driver updates
- greybus driver updates
- nvmeem driver updates
- phy driver updates
- mhi driver updates
- interconnect driver udpates
- fsl-mc bus driver updates
- random driver fix
- some small misc driver updates (rtsx, pvpanic, etc.)
All of these have been in linux-next for a while, with the only reported
issue being a merge conflict in include/linux/mod_devicetable.h that you
will hit in your tree due to the dfl_device_id addition from the fpga
subsystem in here. The resolution should be simple.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the large set of char/misc/whatever driver subsystem updates
for 5.12-rc1. Over time it seems like this tree is collecting more and
more tiny driver subsystems in one place, making it easier for those
maintainers, which is why this is getting larger.
Included in here are:
- coresight driver updates
- habannalabs driver updates
- virtual acrn driver addition (proper acks from the x86 maintainers)
- broadcom misc driver addition
- speakup driver updates
- soundwire driver updates
- fpga driver updates
- amba driver updates
- mei driver updates
- vfio driver updates
- greybus driver updates
- nvmeem driver updates
- phy driver updates
- mhi driver updates
- interconnect driver udpates
- fsl-mc bus driver updates
- random driver fix
- some small misc driver updates (rtsx, pvpanic, etc.)
All of these have been in linux-next for a while, with the only
reported issue being a merge conflict due to the dfl_device_id
addition from the fpga subsystem in here"
* tag 'char-misc-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (311 commits)
spmi: spmi-pmic-arb: Fix hw_irq overflow
Documentation: coresight: Add PID tracing description
coresight: etm-perf: Support PID tracing for kernel at EL2
coresight: etm-perf: Clarify comment on perf options
ACRN: update MAINTAINERS: mailing list is subscribers-only
regmap: sdw-mbq: use MODULE_LICENSE("GPL")
regmap: sdw: use no_pm routines for SoundWire 1.2 MBQ
regmap: sdw: use _no_pm functions in regmap_read/write
soundwire: intel: fix possible crash when no device is detected
MAINTAINERS: replace my with email with replacements
mhi: Fix double dma free
uapi: map_to_7segment: Update example in documentation
uio: uio_pci_generic: don't fail probe if pdev->irq equals to IRQ_NOTCONNECTED
drivers/misc/vmw_vmci: restrict too big queue size in qp_host_alloc_queue
firewire: replace tricky statement by two simple ones
vme: make remove callback return void
firmware: google: make coreboot driver's remove callback return void
firmware: xilinx: Use explicit values for all enum values
sample/acrn: Introduce a sample of HSM ioctl interface usage
virt: acrn: Introduce an interface for Service VM to control vCPU
...
The ACPI_PLATFORM_PROFILE option essentially provides a library and not
really an independent module. Thus it seems to be more user-friendly to
hide this option and simply make drivers depending on it select it.
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
thermal driver (Daniel Lezcano)
- Remove the notify ops as it is no longer used (Daniel Lezcano)
- Remove the 'forced passive' option and the unused bind/unbind
functions (Daniel Lezcano)
- Remove the THERMAL_TRIPS_NONE and the code cleanup around this
macro (Daniel Lezcano)
- Rework the delays to make them pre-computed instead of computing
them again and again at each polling interval (Daniel Lezcano)
- Remove the pointless 'thermal_zone_device_reset' function (Daniel
Lezcano)
- Use the critical and hot ops to prevent an unexpected system
shutdown on int340x (Kai-Heng Feng)
- Make the cooling device state private to the thermal subsystem
(Daniel Lezcano)
- Prevent to use not-power-aware actor devices with the power
allocator governor (Lukasz Luba)
- Remove 'zx' and 'tango' support along with the corresponding
platforms (Arnd Bergman)
- Fix several issues on the Omap thermal driver (Tony Lindgren)
- Add support for adc-tm5 PMIC thermal monitor for Qcom
platforms. Please note those changes rely on an immutable branch:
iio-thermal-5.11-rc1/ib-iio-thermal-5.11-rc1 from the iio tree
(Dmitry Baryshkov)
- Fix an initialization loop in the adc-tm5 (Colin Ian King)
- Fix a return error check in the cpufreq cooling device (Viresh Kumar)
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Merge tag 'thermal-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Use the newly introduced 'hot' and 'critical' ops for the acpi
thermal driver (Daniel Lezcano)
- Remove the notify ops as it is no longer used (Daniel Lezcano)
- Remove the 'forced passive' option and the unused bind/unbind
functions (Daniel Lezcano)
- Remove the THERMAL_TRIPS_NONE and the code cleanup around this macro
(Daniel Lezcano)
- Rework the delays to make them pre-computed instead of computing them
again and again at each polling interval (Daniel Lezcano)
- Remove the pointless 'thermal_zone_device_reset' function (Daniel
Lezcano)
- Use the critical and hot ops to prevent an unexpected system shutdown
on int340x (Kai-Heng Feng)
- Make the cooling device state private to the thermal subsystem
(Daniel Lezcano)
- Prevent to use not-power-aware actor devices with the power allocator
governor (Lukasz Luba)
- Remove 'zx' and 'tango' support along with the corresponding
platforms (Arnd Bergman)
- Fix several issues on the Omap thermal driver (Tony Lindgren)
- Add support for adc-tm5 PMIC thermal monitor for Qcom platforms
(Dmitry Baryshkov)
- Fix an initialization loop in the adc-tm5 (Colin Ian King)
- Fix a return error check in the cpufreq cooling device (Viresh Kumar)
* tag 'thermal-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (26 commits)
thermal: cpufreq_cooling: freq_qos_update_request() returns < 0 on error
thermal: qcom: Fix comparison with uninitialized variable channels_available
thermal: qcom: add support for adc-tm5 PMIC thermal monitor
dt-bindings: thermal: qcom: add adc-thermal monitor bindings
thermal: ti-soc-thermal: Use non-inverted define for omap4
thermal: ti-soc-thermal: Simplify polling with iopoll
thermal: ti-soc-thermal: Fix stuck sensor with continuous mode for 4430
thermal: ti-soc-thermal: Skip pointless register access for dra7
thermal/drivers/zx: Remove zx driver
thermal/drivers/tango: Remove tango driver
thermal: power allocator: fail binding for non-power actor devices
thermal/core: Make cooling device state change private
thermal: intel: pch: Fix unexpected shutdown at critical temperature
thermal: int340x: Fix unexpected shutdown at critical temperature
thermal/core: Remove pointless thermal_zone_device_reset() function
thermal/core: Remove ms based delay fields
thermal/core: Use precomputed jiffies for the polling
thermal/core: Precompute the delays from msecs to jiffies
thermal/core: Remove unused macro THERMAL_TRIPS_NONE
thermal/core: Remove THERMAL_TRIPS_NONE test
...
Lots of changes to the cros_ec_typec driver for 5.12.
A portion of this this set of cros_ec_typec driver's changes
(up to 8553a979fc platform/chrome: cros_ec_typec: Send mux configuration acknowledgment to EC)
was merged through GregKH's USB tree in immutable branch
tag-ib-usb-typec-chrome-platform-cros-ec-typec-changes-for-5.12
in order to satisfy cros_ec_typec driver and typec connector class subsystem
dependencies of subsequent changes. Please see greg's usb-5.12-rc1.
cros_ec_typec:
* Registration of cable plug information
* Support for SOP' plug registration and altmodes
* Support for reporting number of altmodes supported by partners and plugs
* Send mux configuration ack to EC via a new host command
* Support mux control with no port partner present
* Decouple cable removal from partner removal
cros_ec misc:
* Fix some event masking in cros_ec_proto.
* Gwendal reworked cros_ec's top and bottom half for consistency in ishtp and
rpmsg
* Constify static attribute_group structs
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Merge tag 'tag-chrome-platform-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"Lots of changes to the cros_ec_typec driver for 5.12.
A portion of this this set of cros_ec_typec driver's changes was
merged through GregKH's USB tree in order to satisfy cros_ec_typec
driver and typec connector class subsystem dependencies of subsequent
changes.
Summary:
cros_ec_typec:
- Registration of cable plug information
- Support for SOP' plug registration and altmodes
- Support for reporting number of altmodes supported by partners and
plugs
- Send mux configuration ack to EC via a new host command
- Support mux control with no port partner present
- Decouple cable removal from partner removal
cros_ec misc:
- Fix some event masking in cros_ec_proto.
- Gwendal reworked cros_ec's top and bottom half for consistency in
ishtp and rpmsg
- Constify static attribute_group structs"
* tag 'tag-chrome-platform-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_typec: Flush pending work
platform/chrome: cros_ec_types: Support disconnect events without partners
platform/chrome: cros_ec_typec: Skip port partner check in configure_mux()
platform/chrome: cros_ec_typec: Decouple partner removal
platform/chrome: cros_ec: Call interrupt bottom half at probe time
platform/chrome: cros_ec: Call interrupt bottom half in ISH or RPMSG mode
platform/chrome: cros_ec_sysfs: Add cold-ap-off to sysfs reboot.
platform/chrome: cros_ec_commands: Add host command to keep AP off after EC reset.
platform/chrome: Constify static attribute_group structs
platform/chrome: cros_ec_proto: Add LID and BATTERY to default mask
platform/chrome: cros_ec_proto: Use EC_HOST_EVENT_MASK not BIT
- Microsoft Surface devices System Aggregator Module support
- SW_TABLET_MODE reporting improvements
- thinkpad_acpi keyboard language setting support
- platform / DPTF profile settings support
- Base / userspace API parts merged from Rafael's acpi-platform branch
- thinkpad_acpi and ideapad-laptop support through pdx86
- Remove support for some obsolete Intel MID platforms through merging
of the shared intel-mid-removal branch
- Big cleanup of the ideapad-laptop driver
- Misc. other fixes / new hw support / quirks
The following is an automated git shortlog grouped by driver:
ACPI:
- platform-profile: Fix possible deadlock in platform_profile_remove()
- platform-profile: Introduce object pointers to callbacks
- platform-profile: Drop const qualifier for cur_profile
- platform: Add platform profile support
Documentation:
- Add documentation for new platform_profile sysfs attribute
Documentation/ABI:
- sysfs-platform-ideapad-laptop: conservation_mode attribute
- sysfs-platform-ideapad-laptop: update device attribute paths
Kconfig:
- add missing selects for ideapad-laptop
MAINTAINERS:
- update email address for Henrique de Moraes Holschuh
Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans:
- Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans
Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans:
- Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans
Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next:
- Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next
Move all dell drivers to their own subdirectory:
- Move all dell drivers to their own subdirectory
Platform:
- OLPC: Constify static struct regulator_ops
- OLPC: Specify the enable time
- OLPC: Remove dcon_rdev from olpc_ec_priv
- OLPC: Fix probe error handling
Revert "platform/x86:
- ideapad-laptop: Switch touchpad attribute to be RO"
acer-wmi:
- Don't use ACPI_EXCEPTION()
amd-pmc:
- put device on error paths
- Fix CONFIG_DEBUG_FS check
dell-wmi-sysman:
- fix a NULL pointer dereference
docs:
- driver-api: Add Surface Aggregator subsystem documentation
drm/gma500:
- Get rid of duplicate NULL checks
- Convert to use new SCU IPC API
gpio:
- msic: Remove driver for deprecated platform
- intel-mid: Remove driver for deprecated platform
hp-wmi:
- Disable tablet-mode reporting by default
- Don't log a warning on HPWMI_RET_UNKNOWN_COMMAND errors
i2c-multi-instantiate:
- Don't create platform device for INT3515 ACPI nodes
ideapad-laptop:
- add "always on USB charging" control support
- add keyboard backlight control support
- send notification about touchpad state change to sysfs
- fix checkpatch warnings, more consistent style
- change 'cfg' debugfs file format
- change 'status' debugfs file format
- check for touchpad support in _CFG
- check for Fn-lock support in HALS
- rework is_visible() logic
- rework and create new ACPI helpers
- group and separate (un)related constants into enums
- misc. device attribute changes
- always propagate error codes from device attributes' show() callback
- convert ACPI helpers to return -EIO in case of failure
- use dev_{err,warn} or appropriate variant to display log messages
- use msecs_to_jiffies() helper instead of hand-crafted formula
- use for_each_set_bit() helper to simplify event processing
- use kobj_to_dev()
- use device_{add,remove}_group
- use sysfs_emit()
- add missing call to submodule destructor
- sort includes lexicographically
- use appropriately typed variable to store the return value of ACPI methods
- remove unnecessary NULL checks
- remove unnecessary dev_set_drvdata() call
- DYTC Platform profile support
- Disable touchpad_switch for ELAN0634
intel-vbtn:
- Eval VBDL after registering our notifier
- Add alternative method to enable switches
- Create 2 separate input-devs for buttons and switches
- Rework wakeup handling in notify_handler()
- Drop HP Stream x360 Convertible PC 11 from allow-list
- Support for tablet mode on Dell Inspiron 7352
intel_mid_powerbtn:
- Remove driver for deprecated platform
- Remove driver for deprecated platform
intel_mid_thermal:
- Remove driver for deprecated platform
- Remove driver for deprecated platform
intel_pmt:
- Make INTEL_PMT_CLASS non-user-selectable
intel_pmt_crashlog:
- Add dependency on MFD_INTEL_PMT
intel_pmt_telemetry:
- Add dependency on MFD_INTEL_PMT
intel_scu_ipc:
- Increase virtual timeout from 3 to 5 seconds
intel_scu_wdt:
- Drop mistakenly added const
- Get rid of custom x86 model comparison
- Drop SCU notification
- Move driver from arch/x86
msi-wmi:
- Fix variable 'status' set but not used compiler warning
platform/surface:
- aggregator: Fix access of unaligned value
- Add Surface Hot-Plug driver
- surface3-wmi: Fix variable 'status' set but not used compiler warning
- aggregator: Fix braces in if condition with unlikely() macro
- aggregator: Fix kernel-doc references
- aggregator: fix a kernel-doc markup
- aggregator_cdev: Add comments regarding unchecked allocation size
- aggregator_cdev: Fix access of uninitialized variables
- fix potential integer overflow on shift of a int
- Add Surface ACPI Notify driver
- Add Surface Aggregator user-space interface
- aggregator: Add dedicated bus and device type
- aggregator: Add error injection capabilities
- aggregator: Add trace points
- aggregator: Add event item allocation caching
- aggregator: Add control packet allocation caching
- Add Surface Aggregator subsystem
- SURFACE_PLATFORMS should depend on ACPI
- surface_gpe: Fix non-PM_SLEEP build warnings
platform/x86/intel-uncore-freq:
- Add Sapphire Rapids server support
rtc:
- mrst: Remove driver for deprecated platform
sony-laptop:
- Remove unneeded semicolon
thinkpad_acpi:
- Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on
- Fix 'warning: no previous prototype for' warnings
- Add platform profile support
- fixed warning and incorporated review comments
- rectify length of title underline
- Don't register keyboard_lang unnecessarily
- set keyboard language
- Add P53/73 firmware to fan_quirk_table for dual fan control
- correct palmsensor error checking
tools/power/x86/intel-speed-select:
- Update version to 1.8
- Add new command to get/set TRL
- Add new command turbo-mode
- Set higher of cpuinfo_max_freq or base_frequency
- Set scaling_max_freq to base_frequency
touchscreen_dmi:
- Add info for the Jumper EZpad 7 tablet
- Add swap-x-y quirk for Goodix touchscreen on Estar Beauty HD tablet
watchdog:
- intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
- intel_scu_watchdog: Remove driver for deprecated platform
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Merge tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"Highlights:
- Microsoft Surface devices System Aggregator Module support
- SW_TABLET_MODE reporting improvements
- thinkpad_acpi keyboard language setting support
- platform / DPTF profile settings support:
- Base / userspace API parts merged from Rafael's acpi-platform
branch
- thinkpad_acpi and ideapad-laptop support through pdx86
- Remove support for some obsolete Intel MID platforms through
merging of the shared intel-mid-removal branch
- Big cleanup of the ideapad-laptop driver
- Misc other fixes / new hw support / quirks"
* tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (99 commits)
platform/x86: intel_scu_ipc: Increase virtual timeout from 3 to 5 seconds
platform/surface: aggregator: Fix access of unaligned value
tools/power/x86/intel-speed-select: Update version to 1.8
tools/power/x86/intel-speed-select: Add new command to get/set TRL
tools/power/x86/intel-speed-select: Add new command turbo-mode
Platform: OLPC: Constify static struct regulator_ops
platform/surface: Add Surface Hot-Plug driver
platform/x86: intel_scu_wdt: Drop mistakenly added const
platform/x86: Kconfig: add missing selects for ideapad-laptop
platform/x86: acer-wmi: Don't use ACPI_EXCEPTION()
platform/x86: thinkpad_acpi: Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on
platform/x86: thinkpad_acpi: Fix 'warning: no previous prototype for' warnings
platform/x86: msi-wmi: Fix variable 'status' set but not used compiler warning
platform/surface: surface3-wmi: Fix variable 'status' set but not used compiler warning
platform/x86: Move all dell drivers to their own subdirectory
Documentation/ABI: sysfs-platform-ideapad-laptop: conservation_mode attribute
Documentation/ABI: sysfs-platform-ideapad-laptop: update device attribute paths
platform/x86: ideapad-laptop: add "always on USB charging" control support
platform/x86: ideapad-laptop: add keyboard backlight control support
platform/x86: ideapad-laptop: send notification about touchpad state change to sysfs
...
- Update ACPICA code in the kernel to upstream revision 20201113
with changes as follows:
* Remove the MTMR (Mid-Timer) table (Al Stone).
* Remove the VRTC table (Al Stone).
* Add type casts for string functions (Bob Moore).
* Update all copyrights to 2021 (Bob Moore).
* Fix exception code class checks (Maximilian Luz).
* Clean up exception code class checks (Maximilian Luz).
* Fix -Wfallthrough (Nick Desaulniers).
- Add support for setting and reading global profile of the platform
along with documentation (Mark Pearson, Hans de Goede, Jiaxun Yang).
- Fix fwnode properties matching and clean up the code handling
device properties and its documentation (Rafael Wysocki, Andy
Shevchenko).
- Clean up ACPI-based device enumeration code (Rafael Wysocki).
- Clean up the CPPC support library code (Ionela Voinescu).
- Clean up the APEI support code (Yang Li, Yazen Ghannam).
- Update GPIO-related properties documentation (Flavio Suligoi).
- Consolidate and clean up the printing of messages in several
places (Rafael Wysocki).
- Fix error code path in configfs handling code (Qinglang Miao).
- Use DEVICE_ATTR_<RW|RO|WO> macros where applicable (Dwaipayan Ray).
- Replace tests for !ACPI_FAILURE with tests for ACPI_SUCCESS in
multiple places (Bjorn Helgaas).
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Merge tag 'acpi-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20210105, fix and clean up the handling of device properties, add
support for setting global profile of the platform, clean up device
enumeration, the CPPC library, the APEI support and more, update the
documentation, consolidate the printing of messages in several places
and make assorted janitorial changes.
Specifics:
- Update ACPICA code in the kernel to upstream revision 20201113 with
changes as follows:
* Remove the MTMR (Mid-Timer) table (Al Stone).
* Remove the VRTC table (Al Stone).
* Add type casts for string functions (Bob Moore).
* Update all copyrights to 2021 (Bob Moore).
* Fix exception code class checks (Maximilian Luz).
* Clean up exception code class checks (Maximilian Luz).
* Fix -Wfallthrough (Nick Desaulniers).
- Add support for setting and reading global profile of the platform
along with documentation (Mark Pearson, Hans de Goede, Jiaxun
Yang).
- Fix fwnode properties matching and clean up the code handling
device properties and its documentation (Rafael Wysocki, Andy
Shevchenko).
- Clean up ACPI-based device enumeration code (Rafael Wysocki).
- Clean up the CPPC support library code (Ionela Voinescu).
- Clean up the APEI support code (Yang Li, Yazen Ghannam).
- Update GPIO-related properties documentation (Flavio Suligoi).
- Consolidate and clean up the printing of messages in several places
(Rafael Wysocki).
- Fix error code path in configfs handling code (Qinglang Miao).
- Use DEVICE_ATTR_<RW|RO|WO> macros where applicable (Dwaipayan Ray).
- Replace tests for !ACPI_FAILURE with tests for ACPI_SUCCESS in
multiple places (Bjorn Helgaas)"
* tag 'acpi-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (44 commits)
ACPI: property: Satisfy kernel doc validator (part 2)
ACPI: property: Satisfy kernel doc validator (part 1)
ACPI: property: Make acpi_node_prop_read() static
ACPI: property: Remove dead code
ACPI: property: Fix fwnode string properties matching
ACPI: OSL: Clean up printing messages
ACPI: OSL: Rework acpi_check_resource_conflict()
ACPI: APEI: ERST: remove unneeded semicolon
ACPI: thermal: Clean up printing messages
ACPI: video: Clean up printing messages
ACPI: button: Clean up printing messages
ACPI: battery: Clean up printing messages
ACPI: AC: Clean up printing messages
ACPI: bus: Drop ACPI_BUS_COMPONENT which is not used any more
ACPI: utils: Clean up printing messages
ACPI: scan: Clean up printing messages
ACPI: bus: Clean up printing messages
ACPI: PM: Clean up printing messages
ACPI: power: Clean up printing messages
ACPI: APEI: Add is_generic_error() to identify GHES sources
...
SFI-based platforms are gone. So does this framework.
This removes mention of SFI through the drivers and other code as well.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
When a PD notifier event arrives, a new work event won't be enqueued if
the current one hasn't completed. This could lead to dropped events.
So, flush any pending work before scheduling the new instance.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20210211193221.610867-1-pmalani@chromium.org
Signed-off-by: Benson Leung <bleung@chromium.org>
Increasing the virtual timeout time to account for scenarios
that may require more time, like DisplayPort Multi-Stream Transport
(DP MST), where the disconnect time can be extended longer than
usual.
The recommended timeout range is 5-10 seconds, of which
we will take the lower bound.
Signed-off-by: Casey Bowman <casey.g.bowman@intel.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210210192041.17022-1-casey.g.bowman@intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The raw message frame length is unaligned and explicitly marked as
little endian. It should not be accessed without the appropriate
accessor functions. Fix this.
Note that payload.len already contains the correct length after parsing
via sshp_parse_frame(), so we can simply use that instead.
Reported-by: kernel-test-robot <lkp@intel.com>
Fixes: c167b9c7e3 ("platform/surface: Add Surface Aggregator subsystem")
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Acked-by: Mark Gross <mgross@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210211124149.2439007-1-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
First part of Intel MID outdated platforms removal.
The following is an automated git shortlog grouped by driver:
drm/gma500:
- Get rid of duplicate NULL checks
- Convert to use new SCU IPC API
gpio:
- msic: Remove driver for deprecated platform
- intel-mid: Remove driver for deprecated platform
intel_mid_powerbtn:
- Remove driver for deprecated platform
intel_mid_thermal:
- Remove driver for deprecated platform
intel_scu_wdt:
- Drop mistakenly added const
- Get rid of custom x86 model comparison
- Drop SCU notification
- Move driver from arch/x86
rtc:
- mrst: Remove driver for deprecated platform
watchdog:
- intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
- intel_scu_watchdog: Remove driver for deprecated platform
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Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-2' of git://git.infradead.org/linux-platform-drivers-x86
Pull the first part of Intel MID outdated platforms removal from Andy
Shevchenko:
"The following is an automated git shortlog grouped by driver:
drm/gma500:
- Get rid of duplicate NULL checks
- Convert to use new SCU IPC API
gpio:
- msic: Remove driver for deprecated platform
- intel-mid: Remove driver for deprecated platform
intel_mid_powerbtn:
- Remove driver for deprecated platform
intel_mid_thermal:
- Remove driver for deprecated platform
intel_scu_wdt:
- Drop mistakenly added const
- Get rid of custom x86 model comparison
- Drop SCU notification
- Move driver from arch/x86
rtc:
- mrst: Remove driver for deprecated platform
watchdog:
- intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
- intel_scu_watchdog: Remove driver for deprecated platform"
* tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-2' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: intel_scu_wdt: Drop mistakenly added const
platform/x86: intel_scu_wdt: Get rid of custom x86 model comparison
platform/x86: intel_scu_wdt: Drop SCU notification
platform/x86: intel_scu_wdt: Move driver from arch/x86
watchdog: intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
watchdog: intel_scu_watchdog: Remove driver for deprecated platform
rtc: mrst: Remove driver for deprecated platform
platform/x86: intel_mid_powerbtn: Remove driver for deprecated platform
platform/x86: intel_mid_thermal: Remove driver for deprecated platform
gpio: msic: Remove driver for deprecated platform
gpio: intel-mid: Remove driver for deprecated platform
drm/gma500: Get rid of duplicate NULL checks
drm/gma500: Convert to use new SCU IPC API
The only usage of it is to assign its address to the ops field in the
regulator_desc struct, which is a pointer to const struct regulator_ops.
Make it const to allow the compiler to put it in read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20210206232152.58046-1-rikard.falkeborn@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Some Surface Book 2 and 3 models have a discrete GPU (dGPU) that is
hot-pluggable. On those devices, the dGPU is contained in the base,
which can be separated from the tablet part (containing CPU and
touchscreen) while the device is running.
It (in general) is presented as/behaves like a standard PCIe hot-plug
capable device, however, this device can also be put into D3cold. In
D3cold, the device itself is turned off and can thus not submit any
standard PCIe hot-plug events. To properly detect hot-(un)plugging while
the dGPU is in D3cold, out-of-band signaling is required. Without this,
the device state will only get updated during the next bus-check, eg.
via a manually issued lspci call.
This commit adds a driver to handle out-of-band PCIe hot-(un)plug events
on Microsoft Surface devices. On those devices, said events can be
detected via GPIO interrupts, which are then forwarded to the
corresponding ACPI DSM calls by this driver. The DSM then takes care of
issuing the appropriate bus-/device-check, causing the PCI core to
properly pick up the device change.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210205012657.1951753-1-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
There are certain scenarios, where a disconnect event might
occur on a Type-C port with no port partners. This is required
to enable communication to Burnside Bridge USB4 retimers.
Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20210205195113.20277-3-rajmohan.mani@intel.com
Signed-off-by: Benson Leung <bleung@chromium.org>
For certain needs like updating the USB4 retimer firmware when no
device are connected, the Type-C ports require mux configuration,
to be able to communicate with the retimer. So removed the above
check to allow for mux configuration of Type-C ports, to enable
retimer communication.
Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20210205195113.20277-2-rajmohan.mani@intel.com
Signed-off-by: Benson Leung <bleung@chromium.org>
Neither original structure nor platform_data is declared with const.
Drop mistakenly added const when assing platform_data.
Fixes: a507e5d90f ("platform/x86: intel_scu_wdt: Get rid of custom x86 model comparison")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210204150508.62659-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Clear USB Type C discovery events from the Chrome EC once they've been
successfully handled.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reported-by: Benson Leung <bleung@chromium.org>
Tested-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20210203021539.745239-2-pmalani@chromium.org
Signed-off-by: Benson Leung <bleung@chromium.org>
Neither original structure nor platform_data is declared with const.
Drop mistakenly added const when assing platform_data.
Fixes: a507e5d90f ("platform/x86: intel_scu_wdt: Get rid of custom x86 model comparison")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210204150508.62659-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
LED class support is needed by the ideapad-laptop module to compile after
the referenced commit. Add missing NEW_LEDS and LEDS_CLASS to Kconfig.
Fixes: 503325f84b ("platform/x86: ideapad-laptop: add keyboard backlight control support")
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Link: https://lore.kernel.org/r/20210204142010.356675-1-pobrn@protonmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
ACPI_EXCEPTION is only intended for internal use by the ACPICA code.
ACPI_EXCEPTION was being used here to change the apci_status code into
something human-readable, use acpi_format_exception() for this instead,
which is the proper way to do this outside of ACPICA.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210204140205.268344-1-hdegoede@redhat.com
With the #if IS_ENABLED(CONFIG_ACPI_PLATFORM_PROFILE), we get the following
errors when thinkpad_acpi is builtin while CONFIG_ACPI_PLATFORM_PROFILE=m :
drivers/platform/x86/thinkpad_acpi.c:10186: undefined reference to `platform_profile_notify'
drivers/platform/x86/thinkpad_acpi.c:10226: undefined reference to `platform_profile_register'
drivers/platform/x86/thinkpad_acpi.c:10246: undefined reference to `platform_profile_remove'
This could be fixed by changing the IS_ENABLED to IS_REACHABLE, but
I believe that it is better to just switch to using depends on.
Using depends on ensures that platform-profile support is always
available when thinkpad_acpi is build, hopefully leading to less
confusing bug-reports about it sometimes not working.
Cc: Mark Pearson <markpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210204140158.268289-2-hdegoede@redhat.com
Some of the new dytc handling functions are not marked static, even though
they are only used internally.
Mark these static, fixing the following compiler warnings:
drivers/platform/x86/thinkpad_acpi.c:10081:5: warning: no previous prototype for 'dytc_profile_get' [-Wmissing-prototypes]
drivers/platform/x86/thinkpad_acpi.c:10095:5: warning: no previous prototype for 'dytc_cql_command' [-Wmissing-prototypes]
drivers/platform/x86/thinkpad_acpi.c:10133:5: warning: no previous prototype for 'dytc_profile_set' [-Wmissing-prototypes]
Cc: Mark Pearson <markpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210204140158.268289-1-hdegoede@redhat.com
Explicitly check the status rather then relying on output.pointer staying
NULL on an error. This silences the following compiler warning:
drivers/platform/surface/surface3-wmi.c:60:14: warning: variable 'status' set but not used [-Wunused-but-set-variable]
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210204113848.105994-1-hdegoede@redhat.com
A user without a Dell system doesn't need to pick any of these
drivers.
Users with a Dell system can enable this submenu and all drivers
behind it will be enabled.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Link: https://lore.kernel.org/r/20210203195832.2950605-1-mario.limonciello@dell.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Certain models have a so-called "always on USB charging" feature,
which enables USB charging even when the computer is turned off
or suspended, and which may be controlled/queried using the
SALS/HALS ACPI methods. Expose this functionality via a new device
attribute (usb_charging). Tested on: Lenovo YOGA 520-14IKB 80X8
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Link: https://lore.kernel.org/r/20210203215403.290792-28-pobrn@protonmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
On certain models it is possible to control/query the
keyboard backlight via the SALS/HALS ACPI methods. Add
support for that, and register an LED class device to expose
this functionality. Tested on: Lenovo YOGA 520-14IKB 80X8
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Link: https://lore.kernel.org/r/20210203215403.290792-27-pobrn@protonmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Consumers can determine if the value of an attribute changed much more
easily if changes are broadcast using sysfs_notify(), so utilize it.
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210203215403.290792-26-pobrn@protonmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Fix all checkpatch warnings. Reorder variable definitions from
longest to shortest. Add more whitespaces for better readability.
Rename variables named `ret` to `err` where appropriate. Reorder
sysfs attributes show/store callbacks and the `ideapad_attributes`
array in lexicographic order. And other minor formatting changes.
No significant functional changes are intended.
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Link: https://lore.kernel.org/r/20210203215403.290792-25-pobrn@protonmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The touchpad can be enabled/disabled via this attribute on a Lenovo
Yoga 520-14IKB. Allow writing as it provides legitimate functionality.
This reverts commit 7f36314599.
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210203215403.290792-24-pobrn@protonmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
David E. Box