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On EC version 3, the first 2 temperature sensors are always CPU and GPU
add labels for these.
This changes e.g. the "sensors" command output on a X1C8 from:
thinkpad-isa-0000
Adapter: ISA adapter
fan1: 2694 RPM
temp1: +42.0°C
temp2: N/A
temp3: +33.0°C
temp4: +0.0°C
temp5: +35.0°C
temp6: +42.0°C
temp7: +42.0°C
temp8: N/A
into:
thinkpad-isa-0000
Adapter: ISA adapter
fan1: 2694 RPM
CPU: +42.0°C
GPU: N/A
temp3: +33.0°C
temp4: +0.0°C
temp5: +35.0°C
temp6: +42.0°C
temp7: +42.0°C
temp8: N/A
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210413072112.183550-1-hdegoede@redhat.com
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On recent Thinkpad platforms it was reported that temp sensor 11 was
always incorrectly displaying 66C. It turns out the reason for this is
that this location in EC RAM is not a temperature sensor but is the
power supply ID (offset 0xC2).
Based on feedback from the Lenovo firmware team the EC RAM version can
be determined and for the current version (3) only the 0x78 to 0x7F
range is used for temp sensors. I don't have any details for earlier
versions so I have left the implementation unaltered there.
Note - in this block only 0x78 and 0x79 are officially designated (CPU &
GPU sensors). The use of the other locations in the block will vary from
platform to platform; but the existing logic to detect a sensor presence
holds.
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20210407212015.298222-1-markpearson@lenovo.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The BIOS team have added a new API that allows us to retrieve the
current performance profile without having to disable/enable CQL
mode. Adding the changes to use this API.
Tested on P15 and X1C8
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20210406233203.232860-1-markpearson@lenovo.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Signed-off-by: Esteve Varela Colominas <esteve.varela@gmail.com>
Link: https://lore.kernel.org/r/20210321183512.14551-1-esteve.varela@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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On some newer Thinkpads we need to set SAR value based on antenna type.
This patch provides a sysfs interface that userspace can use to get
antenna type and set corresponding SAR value, as is required for FCC
certification.
Reviewed-by: Mark Pearson <markpearson@lenovo.com>
Signed-off-by: Nitin Joshi <njoshi1@lenovo.com>
Link: https://lore.kernel.org/r/20210317024636.356175-1-njoshi1@lenovo.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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balanced mode
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: c3bfcd4c6762 ("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
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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=207841
https://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>
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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: 1ac09656bded ("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>
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Those events occur when a keyboard cover is attached to a ThinkPad
X1 Tablet series device. Typically, they are used to switch from normal
to tablet mode in userspace; e.g., to offer touch keyboard choices when
focus goes to a text box and no keyboard is attached, or to enable
autorotation of the display according to the builtin orientation sensor.
intel-vtbn already recognizes those events. To avoid sending duplicate
events to userspace, they are simply ignored. Thus, this patch only
avoids warnings about unknown and unhandled HKEYs 0x4012 and 0x4013.
For more information about the background and potential improvements for
different types of attachment options, such as the Pico cartridge dock
module, see
https://lore.kernel.org/platform-driver-x86/38cb8265-1e30-d547-9e12-b4ae290be737@a-kobel.de/
Signed-off-by: Alexander Kobel <a-kobel@a-kobel.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/83a0e45f-590d-0c7d-0afd-00a5a6322bd0@a-kobel.de
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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depends on
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
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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
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Add support to thinkpad_acpi for Lenovo platforms that have DYTC
version 5 support or newer to use the platform profile feature.
This will allow users to determine and control the platform modes
between low-power, balanced operation and performance modes.
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210111162237.3469-1-markpearson@lenovo.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The previous commit adding new sysfs for keyboard language has warning and
few code correction has to be done as per new review comments.
Below changes has been addressed in this version:
- corrected warning. Many thanks to kernel test robot <lkp@intel.com> for
reporting and determining this warning.
- used sysfs_emit_at() API instead of strcat.
- sorted keyboard language array.
- removed unwanted space and corrected sentences.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Nitin Joshi <njoshi1@lenovo.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210202003210.91773-1-njoshi1@lenovo.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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All recent ThinkPad BIOS-es support the GSKL method used to query the
keyboard-layout used by the ECFW for the SHIFT + other-key key-press
emulation for special keys such as e.g. the '=', '(' and ')' keys
above the numpad on 15" models.
So just checking for the method is not a good indicator of the
model supporting getting/setting the keyboard_lang.
On models where this is not supported GSKL succeeds, but it returns
METHOD_ERR in the returned integer to indicate that this is not
supported on this model.
Add a check for METHOD_ERR and return -ENODEV if it is set to
avoid registering a non-working keyboard_lang sysfs-attr on models
where this is not supported.
Cc: Nitin Joshi <njoshi1@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210125205258.135664-1-hdegoede@redhat.com
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This patch is to create sysfs entry for setting keyboard language
using ASL method. Some thinkpads models like T580 , T590 , T15 Gen 1
etc. has "=", "(',")" numeric keys, which are not displaying correctly,
when keyboard language is other than "english".
This patch fixes this issue by setting keyboard language to ECFW.
Signed-off-by: Nitin Joshi <njoshi1@lenovo.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210125025916.180831-1-nitjoshi@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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fan control
This commit enables dual fan control for the new Lenovo P53 and P73
laptop models.
Signed-off-by: Jeannie Stevenson <jeanniestevenson@protonmail.com>
Link: https://lore.kernel.org/r/Pn_Xii4XYpQRFtgkf4PbNgieE89BAkHgLI1kWIq-zFudwh2A1DY5J_DJVHK06rMW_hGPHx_mPE33gd8mg9-8BxqJTaSC6hhPqAsfZlcNGH0=@protonmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The previous commit adding functionality for the palm sensor had a
mistake which meant the error conditions on initialisation was not checked
correctly. On some older platforms this meant that if the sensor wasn't
available an error would be returned and the driver would fail to load.
This commit corrects the error condition. Many thanks to Mario Oenning
for reporting and determining the issue
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20201230024726.7861-1-markpearson@lenovo.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The macro use will already have a semicolon.
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20201127181024.2771890-1-trix@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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This commit enables dual fan control for the following new Lenovo
models: P15, P15v.
Signed-off-by: Matthias Maier <tamiko@43-1.org>
Link: https://lore.kernel.org/r/20201126000416.2459645-2-tamiko-ibm-acpi-devel@43-1.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Add support to thinkpad_acpi for returning the status of the palm
sensor.
This patch builds on the work done previously for the input device
implementation (which was not needed). Both lap and palm sensor are using
sysfs and they are combined into the proxsensor block.
Note: On some platforms, because of an issue in the HW implementation,
the palm sensor presence may be incorrectly advertised as always
enabled even if a palm sensor is not present. The palm sensor is
intended for WWAN transmission power control and should be available
and correct on all WWAN enabled systems. It is not recommended to use
this interface for other use cases.
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20201124181154.547518-1-markpearson@lenovo.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The lid state may change while the machine is suspended. As such, we may
need to re-check the state at wake-up time (at least when waking up from
hibernation).
Add the appropriate call to the resume handler in order to sync the
SW_TABLET_MODE switch state with the hardware state.
Fixes: dda3ec0aa631 ("platform/x86: thinkpad_acpi: Implement tablet mode using GMMS method")
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=210269
Signed-off-by: Benjamin Berg <bberg@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hnh@hmh.eng.br>
Link: https://lore.kernel.org/r/20201123132157.866303-1-benjamin@sipsolutions.net
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Yoga 11e 4th gen
The Thinkpad Yoga 11e 4th gen with the N3450 / Celeron CPU only has
one battery which is named BAT1 instead of the expected BAT0, add a
quirk for this. This fixes not being able to set the charging tresholds
on this model; and this alsoe fixes the following errors in dmesg:
ACPI: \_SB_.PCI0.LPCB.EC__.HKEY: BCTG evaluated but flagged as error
thinkpad_acpi: Error probing battery 2
battery: extension failed to load: ThinkPad Battery Extension
battery: extension unregistered: ThinkPad Battery Extension
Note that the added quirk is for the "R0K" BIOS versions which are
used on the Thinkpad Yoga 11e 4th gen's with a Celeron CPU, there
is a separate "R0L" BIOS for the i3/i5 based versions. This may also
need the same quirk, but if that really is necessary is unknown.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201109103550.16265-1-hdegoede@redhat.com
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The Yoga 11e series has 2 accelerometers described by a BOSC0200 ACPI node.
This setup relies on a Windows service which reads both accelerometers and
then calculates the angle between the 2 halves to determine laptop / tent /
tablet mode and then reports the calculated mode back to the EC by calling
special ACPI methods on the BOSC0200 node.
The bmc150 iio driver does not support this (it involves double
calculations requiring sqrt and arccos so this really needs to be done
in userspace), as a result of this on the Yoga 11e the thinkpad_acpi
code always reports SW_TABLET_MODE=0, starting with GNOME 3.38 reporting
SW_TABLET_MODE=0 causes GNOME to:
1. Not show the onscreen keyboard when a text-input field is focussed
with the touchscreen.
2. Disable accelerometer based auto display-rotation.
This makes sense when in laptop-mode but not when in tablet-mode. But
since for the Yoga 11e the thinkpad_acpi code always reports
SW_TABLET_MODE=0, GNOME does not know when the device is in tablet-mode.
Stop reporting the broken (always 0) SW_TABLET_MODE on Yoga 11e models
to fix this.
Note there are plans for userspace to support 360 degree hinges style
2-in-1s with 2 accelerometers and figure out the mode by itself, see:
https://gitlab.freedesktop.org/hadess/iio-sensor-proxy/-/issues/216
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201106140130.46820-1-hdegoede@redhat.com
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Tested on my P1 gen3, works fine with `thinkfan`. Since thinkpad_acpi fan
control is off by default, it is safe to add 2nd fan control for brave
overclockers
Signed-off-by: Iakov 'Jake' Kirilenko <jake.kirilenko@gmail.com>
Link: https://lore.kernel.org/r/20201105152556.34073-1-jake.kirilenko@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new driver for ADC driven joysticks
- a new Zintix touchscreen driver
- enhancements to Intel SoC button array driver
- support for F3A "function" in Synaptics RMI4 driver
- assorted driver fixups
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (29 commits)
Input: Add MAINTAINERS entry for SiS i2c touch input driver
Input: evdev - per-client waitgroups
Input: synaptics - enable InterTouch for ThinkPad T14 Gen 1
Input: synaptics - enable InterTouch for ThinkPad P1/X1E gen 2
Input: synaptics-rmi4 - support bootloader v8 in f34v7
Input: synaptics-rmi4 - add support for F3A
Input: synaptics-rmi4 - rename f30_data to gpio_data
Input: add zinitix touchscreen driver
dt-bindings: input/touchscreen: add bindings for zinitix
Input: joystick - add ADC attached joystick driver.
dt-bindings: input: Add docs for ADC driven joystick
Input: sun4i-ps2 - fix handling of platform_get_irq() error
Input: twl4030_keypad - fix handling of platform_get_irq() error
Input: omap4-keypad - fix handling of platform_get_irq() error
Input: ep93xx_keypad - fix handling of platform_get_irq() error
Input: stmfts - fix a & vs && typo
Input: imx6ul_tsc - unify open/close and PM paths
Input: imx6ul_tsc - clean up some errors in imx6ul_tsc_resume()
Input: elants_i2c - fix typo for an attribute to show calibration count
Input: elants_i2c - report resolution of ABS_MT_TOUCH_MAJOR by FW information.
...
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver fixes from Andy Shevchenko:
"We have some fixes for Tablet Mode reporting in particular, that users
are complaining a lot about.
Summary:
- Attempt #3 of enabling Tablet Mode reporting w/o regressions
- Improve battery recognition code in ASUS WMI driver
- Fix Kconfig dependency warning for Fujitsu and LG laptop drivers
- Add fixes in Thinkpad ACPI driver for _BCL method and NVRAM polling
- Fix power supply extended topology in Mellanox driver
- Fix memory leak in OLPC EC driver
- Avoid static struct device in Intel PMC core driver
- Add support for the touchscreen found in MPMAN Converter9 2-in-1
- Update MAINTAINERS to reflect the real state of affairs"
* tag 'platform-drivers-x86-v5.9-2' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: thinkpad_acpi: re-initialize ACPI buffer size when reuse
MAINTAINERS: Add Mark Gross and Hans de Goede as x86 platform drivers maintainers
platform/x86: intel-vbtn: Switch to an allow-list for SW_TABLET_MODE reporting
platform/x86: intel-vbtn: Revert "Fix SW_TABLET_MODE always reporting 1 on the HP Pavilion 11 x360"
platform/x86: intel_pmc_core: do not create a static struct device
platform/x86: mlx-platform: Fix extended topology configuration for power supply units
platform/x86: pcengines-apuv2: Fix typo on define of AMD_FCH_GPIO_REG_GPIO55_DEVSLP0
platform/x86: fix kconfig dependency warning for FUJITSU_LAPTOP
platform/x86: fix kconfig dependency warning for LG_LAPTOP
platform/x86: thinkpad_acpi: initialize tp_nvram_state variable
platform/x86: intel-vbtn: Fix SW_TABLET_MODE always reporting 1 on the HP Pavilion 11 x360
platform/x86: asus-wmi: Add BATC battery name to the list of supported
platform/x86: asus-nb-wmi: Revert "Do not load on Asus T100TA and T200TA"
platform/x86: touchscreen_dmi: Add info for the MPMAN Converter9 2-in-1
Documentation: laptops: thinkpad-acpi: fix underline length build warning
Platform: OLPC: Fix memleak in olpc_ec_probe
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Evaluating ACPI _BCL could fail, then ACPI buffer size will be set to 0.
When reuse this ACPI buffer, AE_BUFFER_OVERFLOW will be triggered.
Re-initialize buffer size will make ACPI evaluate successfully.
Fixes: 46445b6b896fd ("thinkpad-acpi: fix handle locate for video and query of _BCL")
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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clang static analysis flags this represenative problem
thinkpad_acpi.c:2523:7: warning: Branch condition evaluates
to a garbage value
if (!oldn->mute ||
^~~~~~~~~~~
In hotkey_kthread() mute is conditionally set by hotkey_read_nvram()
but unconditionally checked by hotkey_compare_and_issue_event().
So the tp_nvram_state variable s[2] needs to be initialized.
Fixes: 01e88f25985d ("ACPI: thinkpad-acpi: add CMOS NVRAM polling for hot keys (v9)")
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: mark gross <mgross@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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KEY_SELECTIVE_SCREENSHOT
Commit 696c6523ec8f ("platform/x86: thinkpad_acpi: add mapping for new
hotkeys") added support for a bunch of new hotkeys, but the
clipping/snipping tool hotkey got ignored because there was no good
key-code to map it to.
Recently a new KEY_SELECTIVE_SCREENSHOT keycode was added by commit
3b059da9835c ("Input: allocate keycode for "Selective Screenshot" key")
quoting from the commit message:
"New Chrome OS keyboards have a "snip" key that is basically a selective
screenshot (allows a user to select an area of screen to be copied).
Allocate a keycode for it."
Support for this "snip" key seems like it is also a good match for the
clipping/snipping tool hotkey, so map this hotkey to the new
KEY_SELECTIVE_SCREENSHOT key-code.
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200908135147.4044-5-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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New Lenovo Thinkpad models, e.g. the X1 Carbon 8th gen and the new T14 gen1
models have 3 new symbols / shortcuts on their F9-F11 keys (and the
thinkpad_acpi driver receives 3 new hkey events for these):
F9: Has a symbol resembling a rectangular speech balloon, the manual says
the hotkey functions shows or hides the notification center
F10: Has a symbol of a telephone horn which has been picked up from the
receiver, the manual says: "Answer incoming calls"
F11: Has a symbol of a telephone horn which is resting on the receiver,
the manual says: "Decline incoming calls"
And these Thinkpad models also send a new 0x1316 hkey events when the
Fn + right Shift key-combo is pressed.
This commit adds support for these 4 new hkey events.
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200908135147.4044-4-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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The sparse tool complains as follows:
drivers/platform/x86/thinkpad_acpi.c:9636:25: warning:
symbol 'dev_attr_charge_start_threshold' was not declared. Should it be static?
drivers/platform/x86/thinkpad_acpi.c:9642:25: warning:
symbol 'dev_attr_charge_stop_threshold' was not declared. Should it be static?
Those variables are not used outside of thinkpad_acpi.c, so this
commit marks them static.
Fixes: e33929537b76 ("platform/x86: thinkpad_acpi: use standard charge control attribute names")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The standard attributes were only introduced after the ones from
thinkpad_acpi in commit 813cab8f3994 ("power: supply: core:
Add CHARGE_CONTROL_{START_THRESHOLD,END_THRESHOLD} properties").
The new standard attributes are aliased to their previous names,
preserving backwards compatibility.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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They were never used.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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When _BCL invalid, disable thinkpad_acpi backlight brightness control.
brightness_enable is already checked at the beginning.
Most new thinkpads are using GPU driver to control brightness now,
print notice when enabled brightness control even when brightness_enable = 1.
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Newer Lenovo Thinkpad platforms have support to identify whether the
system is on-lap or not using an ACPI DYTC event from the firmware.
This patch provides the ability to retrieve the current mode via sysfs
entrypoints and will be used by userspace for thermal mode and WWAN
functionality
Co-developed-by: Nitin Joshi <njoshi1@lenovo.com>
Signed-off-by: Nitin Joshi <njoshi1@lenovo.com>
Reviewed-by: Sugumaran <slacshiminar@lenovo.com>
Reviewed-by: Bastien Nocera <bnocera@redhat.com>
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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dispatch_proc_write()"
This reverts commit 35d13c7a05126a5a54a1ef40aff4c6984474e604.
This broke procfs interface due to neglecting the fact that
the strings are not coming NULL terminated.
Revert the change till we will have a better clean up.
Fixes: 35d13c7a0512 ("platform/x86: thinkpad_acpi: Use strndup_user() in dispatch_proc_write()")
Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Call kstrtoint(), where appropriate, instead of using custom approach.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Simplify the user copy code by using strndup_user().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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It seems next_cmd() predates the strsep() implementation in the kernel.
For a long time we have the latter one, thus, replace next_cmd(&buf) with
strsep(&buf, ",").
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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led_classdev_unregister() already has the similar check, so,
drop a duplicate in the driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Since 'value' is declared as unsigned long, the following statement is
always false.
value < 0
So let's remove it.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Since 'value' is declared as unsigned long, the following statement is
always false.
value < 0
So let's remove it.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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This adds dual fan control for the following models:
P50, P51, P52, P70, P71, P72, P1 gen1, P2 gen2, X1E gen1 and X1E gen2.
Both fans are controlled together as if they were a single fan.
Tested on an X1 Extreme Gen1, an X1 Extreme Gen2, and a P50.
The patch is defensive, it adds only specific supported machines, and falls
back to the old behavior if both fans cannot be controlled.
Background:
I tested the BIOS default behavior on my X1E gen2 and both fans are always
changed together. So rather than adding controls for each fan, this controls
both fans together as the BIOS would do.
This was inspired by a discussion on dual fan support for the thinkfan tool
(see link below). All BIOS IDs are taken from there. The X1E gen2 ID is
verified on my machine.
Thanks to GitHub users voidworker and civic9 for the earlier patches and
BIOS IDs, and to users peter-stoll and sassman for testing the patch on
their machines.
BugLink: https://github.com/vmatare/thinkfan/issues/58
Signed-off-by: Lars Hofhansl <larsh@apache.org>
[andy: massaged commit message to capitalize ID and convert to BugLink]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The most notable change is DEFINE_SHOW_ATTRIBUTE macro split in
seq_file.h.
Conversion rule is:
llseek => proc_lseek
unlocked_ioctl => proc_ioctl
xxx => proc_xxx
delete ".owner = THIS_MODULE" line
[akpm@linux-foundation.org: fix drivers/isdn/capi/kcapi_proc.c]
[sfr@canb.auug.org.au: fix kernel/sched/psi.c]
Link: http://lkml.kernel.org/r/20200122180545.36222f50@canb.auug.org.au
Link: http://lkml.kernel.org/r/20191225172546.GB13378@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This feature is found optionally in T480s, T490, T490s.
The feature is called lcdshadow and visible via
/proc/acpi/ibm/lcdshadow.
The ACPI methods \_SB.PCI0.LPCB.EC.HKEY.{GSSS,SSSS,TSSS,CSSS} are
available in these machines. They get, set, toggle or change the state
apparently.
The patch was tested on a 5.0 series kernel on a T480s.
Signed-off-by: Alexander Schremmer <alex@alexanderweb.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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implementation
kmemdup is introduced to duplicate a region of memory in a neat way.
Rather than kmalloc/kzalloc + memcpy, which the programmer needs to
write the size twice (sometimes lead to mistakes), kmemdup improves
readability, leads to smaller code and also reduce the chances of mistakes.
Suggestion to use kmemdup rather than using kmalloc/kzalloc + memcpy.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details you
should have received a copy of the gnu general public license along
with this program if not write to the free software foundation inc
51 franklin street fifth floor boston ma 02110 1301 usa
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option [no]_[pad]_[ctrl] any later version this program is
distributed in the hope that it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details you should have received a copy of the gnu general
public license along with this program if not write to the free
software foundation inc 51 franklin street fifth floor boston ma
02110 1301 usa
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 176 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190519154040.652910950@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make error returns more consistent... no behaviour change intended.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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