This adds support for the force-discharge charge_behaviour through the
embedded controller of ThinkPads.
Co-developed-by: Thomas Koch <linrunner@gmx.net>
Signed-off-by: Thomas Koch <linrunner@gmx.net>
Co-developed-by: Nicolò Piazzalunga <nicolopiazzalunga@gmail.com>
Signed-off-by: Nicolò Piazzalunga <nicolopiazzalunga@gmail.com>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20211123232704.25394-4-linux@weissschuh.net
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This branch contains 5.16-rc1 + the pending ACPI/i2c, tps68570 platform_data
and INT3472 driver patches.
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Merge tag 'platform-drivers-x86-int3472-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 into media_tree
Signed tag for the immutable platform-drivers-x86-int3472 branch
This branch contains 5.16-rc1 + the pending ACPI/i2c, tps68570 platform_data
and INT3472 driver patches.
* tag 'platform-drivers-x86-int3472-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: int3472: Deal with probe ordering issues
platform/x86: int3472: Pass tps68470_regulator_platform_data to the tps68470-regulator MFD-cell
platform/x86: int3472: Pass tps68470_clk_platform_data to the tps68470-regulator MFD-cell
platform/x86: int3472: Add get_sensor_adev_and_name() helper
platform/x86: int3472: Split into 2 drivers
platform_data: Add linux/platform_data/tps68470.h file
i2c: acpi: Add i2c_acpi_new_device_by_fwnode() function
i2c: acpi: Use acpi_dev_ready_for_enumeration() helper
ACPI: delay enumeration of devices with a _DEP pointing to an INT3472 device
This branch contains 5.16-rc1 + the pending ACPI/i2c, tps68570 platform_data
and INT3472 driver patches.
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Merge tag 'platform-drivers-x86-int3472-1' into review-hans
Signed tag for the immutable platform-drivers-x86-int3472 branch
This branch contains 5.16-rc1 + the pending ACPI/i2c, tps68570 platform_data
and INT3472 driver patches.
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Merge v5.16-rc5 into drm-next
Thomas Zimmermann requested a fixes backmerge, specifically also for
96c5f82ef0 ("drm/vc4: fix error code in vc4_create_object()")
Just a bunch of adjacent changes conflicts, even the big pile of them
in vc4.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The clk and regulator frameworks expect clk/regulator consumer-devices
to have info about the consumed clks/regulators described in the device's
fw_node.
To work around this info missing from the ACPI tables on devices where
the int3472 driver is used, the int3472 MFD-cell drivers attach info about
consumers to the clks/regulators when registering these.
This causes problems with the probe ordering wrt drivers for consumers
of these clks/regulators. Since the lookups are only registered when the
provider-driver binds, trying to get these clks/regulators before then
results in a -ENOENT error for clks and a dummy regulator for regulators.
All the sensor ACPI fw-nodes have a _DEP dependency on the INT3472 ACPI
fw-node, so to work around these probe ordering issues the ACPI core /
i2c-code does not instantiate the I2C-clients for any ACPI devices
which have a _DEP dependency on an INT3472 ACPI device until all
_DEP-s are met.
This relies on acpi_dev_clear_dependencies() getting called by the driver
for the _DEP-s when they are ready, add a acpi_dev_clear_dependencies()
call to the discrete.c probe code.
In the tps68470 case calling acpi_dev_clear_dependencies() is already done
by the acpi_gpiochip_add() call done by the driver for the GPIO MFD cell
(The GPIO cell is deliberately the last cell created to make sure the
clk + regulator cells are already instantiated when this happens).
However for proper probe ordering, the clk/regulator cells must not just
be instantiated the must be fully ready (the clks + regulators must be
registered with their subsystems).
Add MODULE_SOFTDEP dependencies for the clk and regulator drivers for
the instantiated MFD-cells so that these are loaded before us and so
that they bind immediately when the platform-devs are instantiated.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211203102857.44539-12-hdegoede@redhat.com
Pass tps68470_regulator_platform_data to the tps68470-regulator
MFD-cell, specifying the voltages of the various regulators and
tying the regulators to the sensor supplies so that sensors which use
the TPS68470 can find their regulators.
Since the voltages and supply connections are board-specific, this
introduces a DMI matches int3472_tps68470_board_data struct which
contains the necessary per-board info.
This per-board info also includes GPIO lookup information for the
sensor IO lines which may be connected to the tps68470 GPIOs.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211203102857.44539-11-hdegoede@redhat.com
Pass tps68470_clk_platform_data to the tps68470-clk MFD-cell,
so that sensors which use the TPS68470 can find their clock.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211203102857.44539-10-hdegoede@redhat.com
The discrete.c code is not the only code which needs to lookup the
acpi_device and device-name for the sensor for which the INT3472
ACPI-device is a GPIO/clk/regulator provider.
The tps68470.c code also needs this functionality, so factor this
out into a new get_sensor_adev_and_name() helper.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211203102857.44539-9-hdegoede@redhat.com
The intel_skl_int3472.ko module contains 2 separate drivers,
the int3472_discrete platform driver and the int3472_tps68470
I2C-driver.
These 2 drivers contain very little shared code, only
skl_int3472_get_acpi_buffer() and skl_int3472_fill_cldb() are
shared.
Split the module into 2 drivers, linking the little shared code
directly into both.
This will allow us to add soft-module dependencies for the
tps68470 clk, gpio and regulator drivers to the new
intel_skl_int3472_tps68470.ko to help with probe ordering issues
without causing these modules to get loaded on boards which only
use the int3472_discrete platform driver.
While at it also rename the .c and .h files to remove the
cumbersome intel_skl_int3472_ prefix.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211203102857.44539-8-hdegoede@redhat.com
Various bug-fixes and hardware-id additions.
The following is an automated git shortlog grouped by driver:
amd-pmc:
- Fix s2idle failures on certain AMD laptops
lg-laptop:
- Recognize more models
platform/x86/intel:
- hid: add quirk to support Surface Go 3
thinkpad_acpi:
- Add lid_logo_dot to the list of safe LEDs
- Restore missing hotkey_tablet_mode and hotkey_radio_sw sysfs-attr
touchscreen_dmi:
- Add TrekStor SurfTab duo W1 touchscreen info
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Merge tag 'platform-drivers-x86-v5.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Various bug-fixes and hardware-id additions"
* tag 'platform-drivers-x86-v5.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/intel: hid: add quirk to support Surface Go 3
platform/x86: amd-pmc: Fix s2idle failures on certain AMD laptops
platform/x86: touchscreen_dmi: Add TrekStor SurfTab duo W1 touchscreen info
platform/x86: lg-laptop: Recognize more models
platform/x86: thinkpad_acpi: Add lid_logo_dot to the list of safe LEDs
platform/x86: thinkpad_acpi: Restore missing hotkey_tablet_mode and hotkey_radio_sw sysfs-attr
After the commit 34570a898e ("platform/x86: hp_accel: Remove
_INI method call") there is no need to have separate methods for
resume and restore, hence we may fold them together and use
SIMPLE_DEV_PM_OPS() for PM ops.
While at it, switch to use __maybe_unused attribute.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211206151521.22578-1-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Since the Surface XBL Driver does not depend on ACPI, the
platform/surface directory as a whole no longer depends on ACPI. With
respect to this, the ACPI dependency is moved into each config that depends
on ACPI individually.
Signed-off-by: Jarrett Schultz <jaschultz@microsoft.com>
Link: https://lore.kernel.org/r/20211202191630.12450-3-jaschultz@microsoft.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
On the back of the device there is a Hall sensor connected to the
"INT33FF:02" GPIO controller pin 18, which gets triggered when the
device is fully folded into tablet-mode (when the back of the display
touches the back of the keyboard).
Use this to disable both the touch-keyboard and the digitizer when
the tablet is fully folded into tablet-mode.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211128190031.405620-5-hdegoede@redhat.com
Add driver to handle WMI events, control the keyboard backlight and
bind/unbind the keyboard-touch / digitizer driver so that only one
is active at a time.
It may seem a bit weird to handle the toggling of the modes in the
kernel, but the hw actually expects only 1 device to be active
at a time.
Changes by Hans de Goede:
- Whole bunch of cleanups
- Make the kernel do the driver bind/unbind itself instead of
sending events to userspace and requiring a special userspace
daemon to deal with this
Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Co-developed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211128190031.405620-4-hdegoede@redhat.com
Some WMI implementations do notifies on WMI objects without a _WED method
allow WMI drivers to indicate that _WED should not be called for notifies
on the WMI objects the driver is bound to.
Instead the driver's notify callback will simply be called with a NULL
data argument.
Reported-by: Yauhen Kharuzhy <jekhor@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211128190031.405620-3-hdegoede@redhat.com
The driver core sets struct device->driver before calling out
to the bus' probe() method, this leaves a window where an ACPI
notify may happen on the WMI object before the driver's
probe() method has completed running, causing e.g. the
driver's notify() callback to get called with drvdata
not yet being set leading to a NULL pointer deref.
At a check for this to the WMI core, ensuring that the notify()
callback is not called before the driver is ready.
Fixes: 1686f54445 ("platform/x86: wmi: Incorporate acpi_install_notify_handler")
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211128190031.405620-2-hdegoede@redhat.com
Replace the wmi_block.read_takes_no_args bool field with
an unsigned long flags field, used together with test_bit()
and friends.
This is a preparation patch for fixing a driver->notify() vs ->probe()
race, which requires atomic flag handling.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211128190031.405620-1-hdegoede@redhat.com
On some AMD hardware laptops, the system fails communicating with the
PMC when entering s2idle and the machine is battery powered.
Hardware description: HP Pavilion Aero Laptop 13-be0097nr
CPU: AMD Ryzen 7 5800U with Radeon Graphics
GPU: 03:00.0 VGA compatible controller [0300]: Advanced Micro Devices,
Inc. [AMD/ATI] Device [1002:1638] (rev c1)
Detailed description of the problem (and investigation) here:
https://gitlab.freedesktop.org/drm/amd/-/issues/1799
Patch is a single line: reduce the polling delay in half, from 100uSec
to 50uSec when waiting for a change in state from the PMC after a
write command operation.
After changing the delay, I did not see a single failure on this
machine (I have this fix for now more than one week and s2idle worked
every single time on battery power).
Cc: stable@vger.kernel.org
Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Signed-off-by: Fabrizio Bertocci <fabriziobertocci@gmail.com>
Link: https://lore.kernel.org/r/CADtzkx7TdfbwtaVEXUdD6YXPey52E-nZVQNs+Z41DTx7gqMqtw@mail.gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
LG uses 5 instead of 0 in the third digit (second digit after 2019)
of the year string to indicate newer models in the same year.
Handle this case as well.
Signed-off-by: Matan Ziv-Av <matan@svgalib.org>
Link: https://lore.kernel.org/r/c752b3b2-9718-bd9a-732d-e165aa8a1fca@svgalib.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Eliminate the following coccicheck warning:
./drivers/platform/x86/asus-wmi.c:2386:2-3: Unneeded semicolon
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/1637719332-45224-1-git-send-email-yang.lee@linux.alibaba.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add the LED_RETAIN_AT_SHUTDOWN flag to the registered led_class_devs so
that the LEDs do not get turned-off when reloading the driver and thus so
that they also stay under default EC control when reloading the driver,
unless explicitly overridden by the user.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211123210524.266705-1-hdegoede@redhat.com
On some AMD hardware laptops, the system fails communicating with the
PMC when entering s2idle and the machine is battery powered.
Hardware description: HP Pavilion Aero Laptop 13-be0097nr
CPU: AMD Ryzen 7 5800U with Radeon Graphics
GPU: 03:00.0 VGA compatible controller [0300]: Advanced Micro Devices,
Inc. [AMD/ATI] Device [1002:1638] (rev c1)
Detailed description of the problem (and investigation) here:
https://gitlab.freedesktop.org/drm/amd/-/issues/1799
Patch is a single line: reduce the polling delay in half, from 100uSec
to 50uSec when waiting for a change in state from the PMC after a
write command operation.
After changing the delay, I did not see a single failure on this
machine (I have this fix for now more than one week and s2idle worked
every single time on battery power).
Cc: stable@vger.kernel.org
Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Signed-off-by: Fabrizio Bertocci <fabriziobertocci@gmail.com>
Link: https://lore.kernel.org/r/CADtzkx7TdfbwtaVEXUdD6YXPey52E-nZVQNs+Z41DTx7gqMqtw@mail.gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
LG uses 5 instead of 0 in the third digit (second digit after 2019)
of the year string to indicate newer models in the same year.
Handle this case as well.
Signed-off-by: Matan Ziv-Av <matan@svgalib.org>
Link: https://lore.kernel.org/r/c752b3b2-9718-bd9a-732d-e165aa8a1fca@svgalib.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Commit c99ca78d67 ("platform/x86: thinkpad_acpi: Switch to common use
of attributes") removed the conditional adding of the
hotkey_tablet_mode and hotkey_radio_sw sysfs-attributes, replacing this
with a hotkey_attr_is_visible() callback which hides them when the
feature is not present.
But this commit forgot to add these 2 attributes to the default
hotkey_attributes[] set, so they would now never get added at all.
Add the 2 attributes to the default hotkey_attributes[] set so that
they are available on systems with these features once more.
Fixes: c99ca78d67 ("platform/x86: thinkpad_acpi: Switch to common use of attributes")
Cc: Len Baker <len.baker@gmx.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211123210424.266607-2-hdegoede@redhat.com
After the recent sysfs-attributes registration cleanups, the
tp_features.sensors_pdev_attrs_registered flag only ever gets set and
never gets read, remove it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211123210424.266607-6-hdegoede@redhat.com
The hwmon sysfs-attr should show up under the hwmon-classdev, not under
the tpacpi_sensors_pdev. Pass the tpacpi_hwmon_groups attr-groups array
to hwmon_device_register_with_groups() instead of setting
tpacpi_hwmon_pdriver.driver.dev_groups to it to fix this.
This also requires moving the hwmon_device_register_with_groups() call to
after the subdriver init functions have run so that the is_visible()
calls will work properly.
Fixes: 79f960e29c ("platform/x86: thinkpad_acpi: Convert platform driver to use dev_groups")
Cc: Len Baker <len.baker@gmx.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211123210424.266607-5-hdegoede@redhat.com
Commit 79f960e29c ("platform/x86: thinkpad_acpi: Convert platform driver
to use dev_groups") put the debug_level, interface_version, version and the
THINKPAD_ACPI_DEBUGFACILITIES attributes in a new tpacpi_attr_group and
added those to the tpacpi_groups groups-array which is used to initialize
the driver.dev_groups member.
But before this commit these attributes were registered with
driver_create_file(), so they should be part of the groups-array which is
used to initialize the driver.groups member instead.
And also make the same change for the fan_watchdog hwmon driver attribute.
Fixes: 79f960e29c ("platform/x86: thinkpad_acpi: Convert platform driver to use dev_groups")
Cc: Len Baker <len.baker@gmx.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211123210424.266607-4-hdegoede@redhat.com
Commit 79f960e29c ("platform/x86: thinkpad_acpi: Convert platform driver
to use dev_groups") introduces the use of driver.dev_groups +
attribute_group.is_visible callbacks replacing the conditional calling of
driver_create_file() for optional attributes.
The is_visible callbacks rely on various tp_features.has_foo flags,
which get set by the subdriver init functions.
But before this fix, thinkpad_acpi_module_init() would call the
subdriver init functions after registering the platform_device and
the tpacpi_pdriver. Which would cause the is_visible callbacks to
get called before the subdriver init functions, which in turn would
cause optional attributes to not get registered at all, even when
the feature is actually present.
Fix this by moving the platform_driver_register(&tpacpi_pdriver) to after
the subdriver init calls; and do the same for the tpacpi_hmon_pdriver.
Fixes: 79f960e29c ("platform/x86: thinkpad_acpi: Convert platform driver to use dev_groups")
Cc: Len Baker <len.baker@gmx.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211123210424.266607-3-hdegoede@redhat.com
Commit c99ca78d67 ("platform/x86: thinkpad_acpi: Switch to common use
of attributes") removed the conditional adding of the
hotkey_tablet_mode and hotkey_radio_sw sysfs-attributes, replacing this
with a hotkey_attr_is_visible() callback which hides them when the
feature is not present.
But this commit forgot to add these 2 attributes to the default
hotkey_attributes[] set, so they would now never get added at all.
Add the 2 attributes to the default hotkey_attributes[] set so that
they are available on systems with these features once more.
Fixes: c99ca78d67 ("platform/x86: thinkpad_acpi: Switch to common use of attributes")
Cc: Len Baker <len.baker@gmx.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211123210424.266607-2-hdegoede@redhat.com
Fix thermal_temp_input_attr sorting. Now that we use is_visible,
rather then registering only part of the thermal_temp_input_attr array,
putting attr 0-7 last is no longer needed.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Mark Pearson <mpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211121191129.256713-8-hdegoede@redhat.com
The err_exit label just does a:
return (res < 0) ? res : -ENODEV;
And res is always < 0 when we go there (hotkey_mask_get() returns
either 0 or -EIO), so the goto-s can simply be replaced with
"return res".
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Mark Pearson <mpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211121191129.256713-7-hdegoede@redhat.com
The previous refactoring of some code in tpacpi_dytc_profile_init() left
a weirdly indented code-block behind.
Remove the unnecessary '{}' and reduce the indent level one step,
other then changing the indentation the code is completely unchanged.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Mark Pearson <mpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211121191129.256713-6-hdegoede@redhat.com
Remove the dytc_profile_available check from dytc_profile_set(),
that function only gets called if the platform_profile_handler was
registered, so the check is not necessary.
Make tpacpi_dytc_profile_init() return -ENODEV when it does not register
the platform_profile() handler this will cause
dytc_profile_driver_data.flags.init to not get set, which in turn will
cause the dytc_profile_exit() call to get skipped.
Together this avoids the need to have the dytc_profile_available
variable at all, since the information is now duplicated in the
dytc_profile_driver_data.flags.init flag.
Note this leaves a weirdly indented code-block behind, this is
deliberately done to make what actually changes in this commit clear.
This will be fixed-up in the next commit.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Mark Pearson <mpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211121191129.256713-5-hdegoede@redhat.com
The only reason the proxysensor code needs dytc_version handling is for
proxsensor_attr_is_visible() and that will only ever get called after
all the subdrv init() callbacks have run.
tpacpi_dytc_profile_init() already calls DYTC_CMD_QUERY and is the
primary consumer of dytc_version, so simply let tpacpi_dytc_profile_init()
set dytc_version and remove the now no longer necessary dytc_get_version()
helper and its calls.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Mark Pearson <mpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211121191129.256713-4-hdegoede@redhat.com
Make ibm_init_struct.init() callbacks return -ENODEV instead of 1 when
the subdevice / function is not available.
Using -ENODEV clearly states what it going on where as a magic return of
"1" requires a deep dive into the code to figure out what is going on.
This also allows for some cleanups, avoiding the need to translate an
-ENODEV return into "return 1" (which often mistakenly was "return 0").
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Mark Pearson <mpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211121191129.256713-3-hdegoede@redhat.com
Pull HID fixes from Jiri Kosina:
- fix for Intel-ISH driver to make sure it gets aoutoloaded only on
matching devices and not universally (Thomas Weißschuh)
- fix for Wacom driver reporting invalid contact under certain
circumstances (Jason Gerecke)
- probing fix for ft260 dirver (Michael Zaidman)
- fix for generic keycode remapping (Thomas Weißschuh)
- fix for division by zero in hid-magicmouse (Claudia Pellegrino)
- other tiny assorted fixes and new device IDs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: multitouch: Fix Iiyama ProLite T1931SAW (0eef:0001 again!)
HID: nintendo: eliminate dead datastructures in !CONFIG_NINTENDO_FF case
HID: magicmouse: prevent division by 0 on scroll
HID: thrustmaster: fix sparse warnings
HID: Ignore battery for Elan touchscreen on HP Envy X360 15-eu0xxx
HID: input: set usage type to key on keycode remap
HID: input: Fix parsing of HID_CP_CONSUMER_CONTROL fields
HID: ft260: fix i2c probing for hwmon devices
Revert "HID: hid-asus.c: Maps key 0x35 (display off) to KEY_SCREENLOCK"
HID: intel-ish-hid: fix module device-id handling
mod_devicetable: fix kdocs for ishtp_device_id
HID: wacom: Use "Confidence" flag to prevent reporting invalid contacts
HID: nintendo: unlock on error in joycon_leds_create()
platform/x86: isthp_eclite: only load for matching devices
platform/chrome: chros_ec_ishtp: only load for matching devices
HID: intel-ish-hid: hid-client: only load for matching devices
HID: intel-ish-hid: fw-loader: only load for matching devices
HID: intel-ish-hid: use constants for modaliases
HID: intel-ish-hid: add support for MODULE_DEVICE_TABLE()
UAPI Changes:
* Remove restrictions on DMA_BUF_SET_NAME ioctl
* connector: State of privacy screen
* sysfs: Send hotplug uevent
Cross-subsystem Changes:
* clk/bmc-2835: Fixes
* dma-buf: Add dma_resv selftest; Error-handling fixes; Add debugfs
helpers; Remove dma_resv_get_excl_unlocked(); Documentation fixes
* pwm: Introduce of_pwm_single_xlate()
Core Changes:
* Support for privacy screens
* Make drm_irq.c legacy
* Fix __stack_depot_* name conflict
* Documentation fixes
* Fixes and cleanups
* dp-helper: Reuse 8b/10b link-training delay helpers
* format-helper: Update interfaces
* fb-helper: Allocate shadow buffer of correct size
* gem: Link GEM SHMEM and CMA helpers into separate modules; Use
dma_resv iterator; Import DMA_BUF namespace into GEM-helper modules
* gem/shmem-helper: Interface cleanups
* scheduler: Grab fence in drm_sched_job_add_implicit_dependencies();
Lockdep fixes
* kms-helpers: Link several files from core into the KMS-helper module
Driver Changes:
* Use dma_resv_iter in several places
* Fixes and cleanups
* amdgpu: Use drm_kms_helper_connector_hotplug_event(); Get all fences
at once
* bridge: Switch to managed MIPI DSI helpers in several places; Register
and attach during probe in several places; Convert to YAML in several
places
* bridge/anx7625: Support MIPI DPI input; Support HDMI audio; Fixes
* bridge/dw-hdmi: Allow interlace on bridge
* bridge/ps8640: Enable PM; Support aux-bus
* bridge/tc358768: Enabled reference clock; Support pulse mode;
Modesetting fixes
* bridge/ti-sn65dsi86: Use regmap_bulk_write(); Implement PWM
* etnaviv: Get all fences at once
* gma500: GEM object cleanups; Remove generic drivers in probe function
* i915: Support VESA panel backlights
* ingenic: Fixes and cleanups
* kirin: Adjust probe order
* kmb: Enable framebuffer console
* lima: Kconfig fixes
* meson: Refactoring to supperot DRM_BRIDGE_ATTACH_NO_ENCODER
* msm: Fixes and cleanups
* msm/dsi: Adjust probe order
* omap: Fixes and cleanups
* nouveau: CRC fixes; Validate LUTs in atomic check; Set HDMI AVI RGB
quantization to FULL; Fixes and cleanups
* panel: Support Innolux G070Y2-T02, Vivax TPC-9150, JDI R63452,
Newhaven 1.8-128160EF, Wanchanglong W552964ABA, Novatek NT35950,
BOE BF060Y8M, Sony Tulip Truly NT35521; Use dev_err_probe() throughout
drivers; Fixes and cleanups
* panel/ili9881c: Orientation fixes
* radeon: Use dma_resv_wait_timeout()
* rockchip: Add timeout for DSP hold; Suspend/resume fixes; PLL clock
fixes; Implement mmap in GEM object functions
* simpledrm: Support FB_DAMAGE_CLIPS and virtual screen sizes
* sun4i: Use CMA helpers without vmap support
* tidss: Fixes and cleanups
* v3d: Cleanups
* vc4: Fix HDMI-CEC hang when display is off; Power on HDMI controller
while disabling; Support 4k@60 Hz modes; Fixes and cleanups
* video: Convert to sysfs_emit() in several places
* video/omapfb: Fix fall-through
* virtio: Overflow fixes
* xen: Implement mmap as GEM object functions
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Merge tag 'drm-misc-next-2021-11-18' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.17:
UAPI Changes:
* Remove restrictions on DMA_BUF_SET_NAME ioctl
* connector: State of privacy screen
* sysfs: Send hotplug uevent
Cross-subsystem Changes:
* clk/bmc-2835: Fixes
* dma-buf: Add dma_resv selftest; Error-handling fixes; Add debugfs
helpers; Remove dma_resv_get_excl_unlocked(); Documentation fixes
* pwm: Introduce of_pwm_single_xlate()
Core Changes:
* Support for privacy screens
* Make drm_irq.c legacy
* Fix __stack_depot_* name conflict
* Documentation fixes
* Fixes and cleanups
* dp-helper: Reuse 8b/10b link-training delay helpers
* format-helper: Update interfaces
* fb-helper: Allocate shadow buffer of correct size
* gem: Link GEM SHMEM and CMA helpers into separate modules; Use
dma_resv iterator; Import DMA_BUF namespace into GEM-helper modules
* gem/shmem-helper: Interface cleanups
* scheduler: Grab fence in drm_sched_job_add_implicit_dependencies();
Lockdep fixes
* kms-helpers: Link several files from core into the KMS-helper module
Driver Changes:
* Use dma_resv_iter in several places
* Fixes and cleanups
* amdgpu: Use drm_kms_helper_connector_hotplug_event(); Get all fences
at once
* bridge: Switch to managed MIPI DSI helpers in several places; Register
and attach during probe in several places; Convert to YAML in several
places
* bridge/anx7625: Support MIPI DPI input; Support HDMI audio; Fixes
* bridge/dw-hdmi: Allow interlace on bridge
* bridge/ps8640: Enable PM; Support aux-bus
* bridge/tc358768: Enabled reference clock; Support pulse mode;
Modesetting fixes
* bridge/ti-sn65dsi86: Use regmap_bulk_write(); Implement PWM
* etnaviv: Get all fences at once
* gma500: GEM object cleanups; Remove generic drivers in probe function
* i915: Support VESA panel backlights
* ingenic: Fixes and cleanups
* kirin: Adjust probe order
* kmb: Enable framebuffer console
* lima: Kconfig fixes
* meson: Refactoring to supperot DRM_BRIDGE_ATTACH_NO_ENCODER
* msm: Fixes and cleanups
* msm/dsi: Adjust probe order
* omap: Fixes and cleanups
* nouveau: CRC fixes; Validate LUTs in atomic check; Set HDMI AVI RGB
quantization to FULL; Fixes and cleanups
* panel: Support Innolux G070Y2-T02, Vivax TPC-9150, JDI R63452,
Newhaven 1.8-128160EF, Wanchanglong W552964ABA, Novatek NT35950,
BOE BF060Y8M, Sony Tulip Truly NT35521; Use dev_err_probe() throughout
drivers; Fixes and cleanups
* panel/ili9881c: Orientation fixes
* radeon: Use dma_resv_wait_timeout()
* rockchip: Add timeout for DSP hold; Suspend/resume fixes; PLL clock
fixes; Implement mmap in GEM object functions
* simpledrm: Support FB_DAMAGE_CLIPS and virtual screen sizes
* sun4i: Use CMA helpers without vmap support
* tidss: Fixes and cleanups
* v3d: Cleanups
* vc4: Fix HDMI-CEC hang when display is off; Power on HDMI controller
while disabling; Support 4k@60 Hz modes; Fixes and cleanups
* video: Convert to sysfs_emit() in several places
* video/omapfb: Fix fall-through
* virtio: Overflow fixes
* xen: Implement mmap as GEM object functions
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YZYZSypIrr+qcih3@linux-uq9g.fritz.box
Commit 79f960e29c ("platform/x86: thinkpad_acpi: Convert platform driver
to use dev_groups") accidentally modified tpacpi_kbdlang_init() causing it
to return -ENODEV instead of 0 on machines without kbdlang support
(which are most of them).
ibm_init() sees this -ENODEV as an error causing the entire module to not
load, not good.
Note that technically tpacpi_kbdlang_init() was already buggy before, it
should have returned 1 instead of 0 if the feature is not present.
Rather then fixing tpacpi_kbdlang_init() though, IMHO it is bettter to
just make ibm_init() treat -ENODEV as 1 to fix the issue; and then in
a followup commit also change all the existing "return 1"s from
ibm_init_struct.init() callbacks to "return -ENODEV" as -ENODEV clearly
states what it going on where as a magic return of "1" requires a deep
dive into the code to figure out what is going on.
This will also allow removing some extra ifs to translate -ENODEV to
return 1 in a couple of init() callbacks.
Fixes: 79f960e29c ("platform/x86: thinkpad_acpi: Convert platform driver to use dev_groups")
Cc: Len Baker <len.baker@gmx.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211121191129.256713-2-hdegoede@redhat.com
Creating the tlmi_pwd_setting structs can only fail with -ENOMEM, set
ret to this once and simplify the error handling a bit.
Tested-by: Mark Pearson <markpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211118114150.271274-2-hdegoede@redhat.com
All callers of tlmi_create_auth() also call
kobject_init(&pwd_setting->kobj, &tlmi_pwd_setting_ktype) on the returned
tlmi_pwd_setting struct. Move this into tlmi_create_auth().
Tested-by: Mark Pearson <markpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211118114150.271274-1-hdegoede@redhat.com
Implement Opcode support.
This is available on ThinkCenter and ThinkStations platforms and
gives improved password setting capabilities
Add options to configure System, HDD & NVMe passwords.
HDD & NVMe passwords need a user level (user/master) along with
drive index.
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20211117184453.2476-2-markpearson@lenovo.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Rename the device registration function to better align names with the
newly introduced device removal function.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20211028002243.1586083-4-luzmaximilian@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Use generic client removal function introduced in the previous commit
instead of defining our own one.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20211028002243.1586083-3-luzmaximilian@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Currently, there are similar functions defined in the Aggregator
Registry and the controller core.
Make client device removal more generic and export it. We can then use
this function later on to remove client devices from device hubs as well
as the controller and avoid re-defining similar things.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20211028002243.1586083-2-luzmaximilian@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add support for custom fan curves found on some ASUS ROG laptops.
These laptops have the ability to set a custom curve for the CPU
and GPU fans via two ACPI methods.
This patch adds two pwm<N> attributes to the hwmon sysfs,
pwm1 for CPU fan, pwm2 for GPU fan. Both are under the hwmon of the
name `asus_custom_fan_curve`. There is no safety check of the set
fan curves - this must be done in userspace.
The fans have settings [1,2,3] under pwm<N>_enable:
1. Enable and write settings out
2. Disable and use factory fan mode
3. Same as 2, additionally restoring default factory curve.
Use of 2 means that the curve the user has set is still stored and
won't be erased, but the laptop will be using its default auto-fan
mode. Re-enabling the manual mode then activates the curves again.
Notes:
- pwm<N>_enable = 0 is an invalid setting.
- pwm is actually a percentage and is scaled on writing to device.
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20211024033705.5595-2-luke@ljones.dev
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
When WWAN device wake from S3 deep, under thinkpad platform,
WWAN would be disabled. This disable status could be checked
by command 'nmcli r wwan' or 'rfkill list'.
Issue analysis as below:
When host resume from S3 deep, thinkpad_acpi driver would
call hotkey_resume() function. Finnaly, it will use
wan_get_status to check the current status of WWAN device.
During this resume progress, wan_get_status would always
return off even WWAN boot up completely.
In patch V2, Hans said 'sw_state should be unchanged
after a suspend/resume. It's better to drop the
tpacpi_rfk_update_swstate call all together from the
resume path'.
And it's confimed by Lenovo that GWAN is no longer
available from WHL generation because the design does not
match with current pin control.
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Link: https://lore.kernel.org/r/20211108060648.8212-1-slark_xiao@163.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Platform drivers have the option of having the platform core create and
remove any needed sysfs attribute files. So take advantage of that and
refactor the attributes management to avoid to register them "by hand".
Also, due to some attributes are optionals, refactor the code and move
the logic inside the "is_visible" callbacks of the attribute_group
structures.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Len Baker <len.baker@gmx.com>
Link: https://lore.kernel.org/r/20211023154036.6800-1-len.baker@gmx.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
A Lenovo ThinkStation S20 (4157CTO BIOS 60KT41AUS) fails to boot on
recent kernels including the think-lmi driver, due to the fact that
errors returned by the tlmi_analyze() function are ignored by
tlmi_probe(), where tlmi_sysfs_init() is called unconditionally.
This results in making use of an array of already freed, non-null
pointers and other uninitialized globals, causing all sorts of nasty
kobject and memory faults.
Make use of the analyze function return value, free a couple leaked
allocations, and remove the settings_count field, which is incremented
but never consumed.
Fixes: a40cd7ef22 ("platform/x86: think-lmi: Add WMI interface support on Lenovo platforms")
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Mark Gross <markgross@kernel.org>
Reviewed-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/163639463588.1330483.15850167112490200219.stgit@omen
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
dell-wmi-descriptor only provides symbols to other drivers.
These drivers already select dell-wmi-descriptor when needed.
This fixes an issue where dell-wmi-descriptor is compiled as a module
with localyesconfig on a non-Dell machine.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20211113080551.61860-1-linux@weissschuh.net
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
If 'led_classdev_register()' fails, some additional resources should be
released.
Add the missing 'i8042_remove_filter()' and 'lis3lv02d_remove_fs()' calls
that are already in the remove function but are missing here.
Fixes: a4c724d072 ("platform: hp_accel: add a i8042 filter to remove HPQ6000 data from kb bus stream")
Fixes: 9e0c797821 ("lis3lv02d: merge with leds hp disk")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/5a4f218f8f16d2e3a7906b7ca3654ffa946895f8.1636314074.git.christophe.jaillet@wanadoo.fr
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Since the "Add special handling for timer based S0i3 wakeup" changes
the amd-pmc code now relies on symbols from the RTC-class code,
add a dependency for this to Kconfig.
Fixes: 59348401eb ("platform/x86: amd-pmc: Add special handling for timer based S0i3 wakeup")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20211102153256.76956-1-hdegoede@redhat.com
This code should be using PTR_ERR() instead of IS_ERR(). And because
it's using the wrong "dev->client" pointer, the IS_ERR() check will be
false, meaning the function returns success.
Fixes: 62f9529b8d ("platform/mellanox: mlxreg-lc: Add initial support for Nvidia line card devices")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20211110074346.GB5176@kili
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
A late addititon to the intel-ish-hid framework caused a build failure
with clang, and introduced an ABI to the module loader that stops working
if any driver ever needs to bind to more than one UUID:
drivers/hid/intel-ish-hid/ishtp-fw-loader.c:1067:4: error: initializer element is not a compile-time constant
Change the ishtp_device_id to have correct documentation and a driver_data
field like all the other ones, and change the drivers to use the ID table
as the primary identification in a way that works with all compilers
and avoids duplciating the identifiers.
Fixes: f155dfeaa4 ("platform/x86: isthp_eclite: only load for matching devices")
Fixes: facfe0a4fd ("platform/chrome: chros_ec_ishtp: only load for matching devices")
Fixes: 0d0cccc0fd ("HID: intel-ish-hid: hid-client: only load for matching devices")
Fixes: 44e2a58cb8 ("HID: intel-ish-hid: fw-loader: only load for matching devices")
Fixes: cb1a2c6847 ("HID: intel-ish-hid: use constants for modaliases")
Fixes: fa443bc3c1 ("HID: intel-ish-hid: add support for MODULE_DEVICE_TABLE()")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
[jkosina@suse.cz: fix ecl_ishtp_cl_driver.id initialization]
[jkosina@suse.cz: fix conflict with already fixed kerneldoc]
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
cros_ec_typec:
* Clean up use of cros_ec_check_features
cros_ec_*:
* Rename and move cros_ec_pd_command to cros_ec_command, and make changes to
cros_ec_typec and cros_ec_proto to use the new common command, reducing
duplication.
sensorhub:
* simplify getting .driver_data in cros_ec_sensors_core and cros_ec_sensorhub
misc:
* Maintainership change. Enric Balletbo i Serra has moved on from Collabora,
so removing him from chrome/platform maintainers. Thanks for all of your
hard work maintaining this, Enric, and best of luck to you in your new role!
* Add Prashant Malani as driver maintainer for cros_ec_typec.c and
cros_usbpd_notify. He was already principal contributor of these drivers.
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Merge tag 'tag-chrome-platform-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"cros_ec_typec:
- Clean up use of cros_ec_check_features
cros_ec_*:
- Rename and move cros_ec_pd_command to cros_ec_command, and make
changes to cros_ec_typec and cros_ec_proto to use the new common
command, reducing duplication.
sensorhub:
- simplify getting .driver_data in cros_ec_sensors_core and
cros_ec_sensorhub
misc:
- Maintainership change. Enric Balletbo i Serra has moved on from
Collabora, so removing him from chrome/platform maintainers. Thanks
for all of your hard work maintaining this, Enric, and best of luck
to you in your new role!
- Add Prashant Malani as driver maintainer for cros_ec_typec.c and
cros_usbpd_notify. He was already principal contributor of these
drivers"
* tag 'tag-chrome-platform-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_proto: Use ec_command for check_features
platform/chrome: cros_ec_proto: Use EC struct for features
MAINTAINERS: Chrome: Drop Enric Balletbo i Serra
platform/chrome: cros_ec_typec: Use cros_ec_command()
platform/chrome: cros_ec_proto: Add version for ec_command
platform/chrome: cros_ec_proto: Make data pointers void
platform/chrome: cros_usbpd_notify: Move ec_command()
platform/chrome: cros_usbpd_notify: Rename cros_ec_pd_command()
platform/chrome: cros_ec: Fix spelling mistake "responsed" -> "response"
platform/chrome: cros_ec_sensorhub: simplify getting .driver_data
iio: common: cros_ec_sensors: simplify getting .driver_data
platform/chrome: cros-ec-typec: Cleanup use of check_features
platform/chrome: cros_ec_proto: Fix check_features ret val
MAINTAINERS: Add Prashant's maintainership of cros_ec drivers
Previously it was loaded for all ISHTP devices.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Previously it was loaded for all ISHTP devices.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Here is the big set of char and misc and other tiny driver subsystem
updates for 5.16-rc1.
Loads of things in here, all of which have been in linux-next for a
while with no reported problems (except for one called out below.)
Included are:
- habanana labs driver updates, including dma_buf usage,
reviewed and acked by the dma_buf maintainers
- iio driver update (going through this tree not staging as they
really do not belong going through that tree anymore)
- counter driver updates
- hwmon driver updates that the counter drivers needed, acked by
the hwmon maintainer
- xillybus driver updates
- binder driver updates
- extcon driver updates
- dma_buf module namespaces added (will cause a build error in
arm64 for allmodconfig, but that change is on its way through
the drm tree)
- lkdtm driver updates
- pvpanic driver updates
- phy driver updates
- virt acrn and nitr_enclaves driver updates
- smaller char and misc driver updates
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.16-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 big set of char and misc and other tiny driver subsystem
updates for 5.16-rc1.
Loads of things in here, all of which have been in linux-next for a
while with no reported problems (except for one called out below.)
Included are:
- habanana labs driver updates, including dma_buf usage, reviewed and
acked by the dma_buf maintainers
- iio driver update (going through this tree not staging as they
really do not belong going through that tree anymore)
- counter driver updates
- hwmon driver updates that the counter drivers needed, acked by the
hwmon maintainer
- xillybus driver updates
- binder driver updates
- extcon driver updates
- dma_buf module namespaces added (will cause a build error in arm64
for allmodconfig, but that change is on its way through the drm
tree)
- lkdtm driver updates
- pvpanic driver updates
- phy driver updates
- virt acrn and nitr_enclaves driver updates
- smaller char and misc driver updates"
* tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (386 commits)
comedi: dt9812: fix DMA buffers on stack
comedi: ni_usb6501: fix NULL-deref in command paths
arm64: errata: Enable TRBE workaround for write to out-of-range address
arm64: errata: Enable workaround for TRBE overwrite in FILL mode
coresight: trbe: Work around write to out of range
coresight: trbe: Make sure we have enough space
coresight: trbe: Add a helper to determine the minimum buffer size
coresight: trbe: Workaround TRBE errata overwrite in FILL mode
coresight: trbe: Add infrastructure for Errata handling
coresight: trbe: Allow driver to choose a different alignment
coresight: trbe: Decouple buffer base from the hardware base
coresight: trbe: Add a helper to pad a given buffer area
coresight: trbe: Add a helper to calculate the trace generated
coresight: trbe: Defer the probe on offline CPUs
coresight: trbe: Fix incorrect access of the sink specific data
coresight: etm4x: Add ETM PID for Kryo-5XX
coresight: trbe: Prohibit trace before disabling TRBE
coresight: trbe: End the AUX handle on truncation
coresight: trbe: Do not truncate buffer on IRQ
coresight: trbe: Fix handling of spurious interrupts
...
Here is the big set of USB and Thunderbolt driver updates for 5.16-rc1.
Nothing major in here, just lots of little cleanups and additions for
new hardware, all of which have been in linux-next for a while with no
reported problems.
Included in here are:
- tiny Thunderbolt driver updates
- USB typec driver updates
- USB serial driver updates
- USB gadget driver updates
- dwc2 and dwc3 controller driver updates
- tiny USB host driver updates
- minor USB driver fixes and updates
- USB dts updates for various platforms
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver updates for
5.16-rc1.
Nothing major in here, just lots of little cleanups and additions for
new hardware, all of which have been in linux-next for a while with no
reported problems.
Included in here are:
- tiny Thunderbolt driver updates
- USB typec driver updates
- USB serial driver updates
- USB gadget driver updates
- dwc2 and dwc3 controller driver updates
- tiny USB host driver updates
- minor USB driver fixes and updates
- USB dts updates for various platforms"
* tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (123 commits)
usb: gadget: Mark USB_FSL_QE broken on 64-bit
usb: gadget: f_mass_storage: Disable eps during disconnect
usb: gadget: udc: core: Revise comments for USB ep enable/disable
USB: serial: keyspan: fix memleak on probe errors
USB: serial: cp210x: use usb_control_msg_recv() and usb_control_msg_send()
USB: serial: ch314: use usb_control_msg_recv()
USB: iowarrior: fix control-message timeouts
Documentation: USB: fix example bulk-message timeout
usb: dwc2: stm32mp15: set otg_rev
usb: dwc2: add otg_rev and otg_caps information for gadget driver
dt-bindings: usb: dwc2: adopt otg properties defined in usb-drd.yaml
dt-bindings: usb: dwc2: Add reference to usb-drd.yaml
usb: gadget: uvc: implement dwPresentationTime and scrSourceClock
usb: gadget: uvc: use on returned header len in video_encode_isoc_sg
usb:gadget: f_uac1: fixed sync playback
Docs: usb: remove :c:func: for usb_register and usb_deregister
Docs: usb: update struct usb_driver
usb: gadget: configfs: change config attributes file operation
usb: gadget: configfs: add cfg_to_gadget_info() helper
usb: dwc3: Align DWC3_EP_* flag macros
...
Users on darp6 that do not have Open EC firmware have reported crashes
on boot. Correct the error handling for the input device to fix it.
Managed devices do not need to be explicitly unregistered or freed, as
this is handled by devres. Drop the call to input_free_device.
Fixes: 0de30fc684 ("platform/x86: system76_acpi: Replace Fn+F2 function for OLED models")
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Link: https://lore.kernel.org/r/20211030154213.2515-1-tcrawford@system76.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Use the existing cros_ec_command() for cros_ec_check_features(). This
eliminates an unnecessary duplication of the memory allocation/free and
memory copy code.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20211004170716.86601-2-pmalani@chromium.org
Signed-off-by: Benson Leung <bleung@chromium.org>
The Chrome EC's features are returned through an
ec_response_get_features struct, but they are stored in an independent
array. Although the two are effectively the same at present (2 unsigned
32 bit ints), there is the possibility that they could go out of sync.
Avoid this by only using the EC struct to store the features.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20211004170716.86601-1-pmalani@chromium.org
Signed-off-by: Benson Leung <bleung@chromium.org>
Add preliminary support for the Surface Pro 8 to the Surface Aggregator
registry. This includes battery/charger status and platform profile
support.
In contrast to earlier Surface Pro generations, the keyboard cover is
now also connected via the Surface Aggregator Module (whereas it was
previously connected via USB or HID-over-I2C). To properly support the
HID devices of that cover, however, more changes regarding hot-removal
of Surface Aggregator client devices as well as a new device hub driver
are required. We will address those things in a follow-up series, so do
not add any HID device IDs just yet.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20211028012845.1887219-1-luzmaximilian@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add support for new system type, which is a water-cooling flavor
of the VMOD001 system class, equipped with 48xSFP28 and 8xQSFP28
100G Ethernet ports.
System is recognized by "DMI_BOARD_NAME" and " DMI_PRODUCT_SKU"
matches, when these fields are set respectively to "VMOD001" and
"HI138".
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Oleksandr Shamray <oleksandrs@nvidia.com>
Link: https://lore.kernel.org/r/20211023094022.4193813-4-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Extend systems of class VMOD0010 equipped with CoffeeLake COMEx module
with BIOS related attributes to represent various BIOS statuses.
These attributes "bios_active_image", "bios_auth_fail",
"bios_upgrade_fail", "bios_safe_mode" has been already added to modular
system. This all of them are already documented.
- "bios_active_image" - location of current active BIOS image (0: Top,
1: Bottom. The reported value should correspond to value expected by
OS in case of BIOS safe mode is 0. This bit is related to Intel
top-swap feature of DualBios on the same flash.
- "bios_auth_fail": BIOS upgrade is failed because provided BIOS image
is not signed correctly.
- "bios_upgrade_fail" BIOS upgrade is failed by some reason not related
to authentication. For example, due to physical SPI flash problem.
- "bios_safe_mod": - 0 : if BIOS is booted from a supposed active image;
1 : BIOS safe mechanism was enforced by hardware (CPLD).
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Oleksandr Shamray <oleksandrs@nvidia.com>
Link: https://lore.kernel.org/r/20211023094022.4193813-3-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add support for new system types "MQM97xx", which is based on Mellanox
Quantum-2 ASIC. It provides up to 64x400GB/s (IB) full bidirectional
bandwidth per port using PAM-4 modulation. The system support 32 OSFP
cages that can provide 64x400GB/s per port (two ports/cage). The system
fits standard 1U racks.
System is equipped with seven fan drawers and with per fan drawer LED
on backport panel and uses two-bytes for exposing CPLD Part Number
versions.
System is recognized by "DMI_BOARD_NAME" match, when this field is set
to "VMOD0010".
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Oleksandr Shamray <oleksandrs@nvidia.com>
Link: https://lore.kernel.org/r/20211023094022.4193813-2-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
An upcoming change to platform profiles will export `platform_profile_get`
as a symbol that can be used by other drivers. Avoid the collision.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20211026190835.10697-3-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
An upcoming change to platform profiles will export `platform_profile_get`
as a symbol that can be used by other drivers. Avoid the collision.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20211026190835.10697-2-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This is already checked when calling rtc_read_alarm.
Suggested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20211026171443.289-3-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
For the majority of users this information will not be informative
as they've chosen to program the RTC before going to sleep.
Suggested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20211026171443.289-2-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Just hardcode the RTC to "rtc0" which is the default for
CONFIG_RTC_SYSTOHC_DEVICE and used by all standard x86 distros.
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Fixes: 59348401eb ("platform/x86: amd-pmc: Add special handling for timer based S0i3 wakeup")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20211026171443.289-1-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
When CONFIG_INPUT is disabled, this driver now fails to link:
ld.lld: error: undefined symbol: devm_input_allocate_device
>>> referenced by system76_acpi.c
>>> platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a
ld.lld: error: undefined symbol: input_set_capability
>>> referenced by system76_acpi.c
>>> platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a
ld.lld: error: undefined symbol: devm_hwmon_device_register_with_info
>>> referenced by system76_acpi.c
>>> platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a
ld.lld: error: undefined symbol: battery_hook_unregister
>>> referenced by system76_acpi.c
>>> platform/x86/system76_acpi.o:(system76_remove) in archive drivers/built-in.a
Add Kconfig dependencies for each of these three.
Fixes: 0de30fc684 ("platform/x86: system76_acpi: Replace Fn+F2 function for OLED models")
Fixes: 95563d45b5 ("platform/x86: system76_acpi: Report temperature and fan speed")
Fixes: 76f7eba3e0 ("platform/x86: system76_acpi: Add battery charging thresholds")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211022154901.904984-1-arnd@kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
It turns out that systemd-logind by default listens for KEY_RESTART input
events and reboots the machine, which isn't great - So use KEY_VENDOR for
the vendor specific identify button instead to not conflict.
Signed-off-by: Peter Korsgaard <peter.korsgaard@barco.com>
Link: https://lore.kernel.org/r/20211022124612.19780-1-peter@korsgaard.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
coccicheck complains about the use of snprintf() in sysfs show
functions:
WARNING use scnprintf or sprintf
Use sysfs_emit instead of scnprintf or sprintf makes more sense.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
Link: https://lore.kernel.org/r/20211022090851.1065538-1-ye.guojin@zte.com.cn
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
coccicheck complains about the use of snprintf() in sysfs show
functions:
WARNING use scnprintf or sprintf
Use sysfs_emit instead of scnprintf or sprintf makes more sense.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
Link: https://lore.kernel.org/r/20211022090722.1065457-1-ye.guojin@zte.com.cn
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Since AML code on some Xiaomi laptops notifies the WMI hotkey with
0x20 event, we need ACPI_ALL_NOTIFY here to be able to handle it.
Signed-off-by: Mikalai Ramanovich <nikolay.romanovich.00@gmail.com>
Link: https://lore.kernel.org/r/20211015191322.73388-1-nikolay.romanovich.00@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add support for the Surface Laptop Studio.
In contrast to previous Surface Laptop models, this one has its HID
devices attached to target ID 1 (instead of 2). It also has a couple
more of them, including a new notifier for when the pen is stashed /
taken out of its place, a "Sys Control" device, and two other
unidentified HID devices with unknown usages.
Battery and performance profile interfaces remain the same.
Cc: stable@vger.kernel.org # 5.14+
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20211021130904.862610-2-luzmaximilian@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The new Surface Laptop Studio uses GPEs for lid events as well. Add an
entry for that so that the lid can be used to wake the device.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20211021111053.564133-1-luzmaximilian@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
RTC based wakeup from s0i3 doesn't work properly on some Green Sardine
platforms. Because of this, a newer SMU for Green Sardine has the ability
to pass wakeup time as argument of the upper 16 bits of OS_HINT message.
With older firmware setting the timer value in OS_HINT will cause firmware
to reject the hint, so only run this path on:
1) Green Sardine
2) Minimum SMU FW
3) RTC alarm armed during s0i3 entry
Using this method has some limitations that the s0i3 wakeup will need to
be between 4 seconds and 18 hours, so check those boundary conditions as
well and abort the suspend if RTC is armed for too short or too long of a
duration.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20211020162946.10537-2-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Currently the "argument" for the "message" is listed as a boolean
value. This works well for the commands used currently, but an
additional upcoming command will pass more data in the message.
Expand it to be a full 32 bit value.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20211020162946.10537-1-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This reverts commit 9bba962755.
The above commit was added to prevent the tipd driver from loading
in devices which have INT3515 ACPI nodes since high CPU load was
reported in these devices due to interrupt flood. Now that the issue
of interrupt flood in the tipd driver is fixed, re-enable the creation
of platform device for INT3515 ACPI nodes.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Saranya Gopal <saranya.gopal@intel.com>
Link: https://lore.kernel.org/r/20211020022620.21012-3-saranya.gopal@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a driver providing access to the GPIOs for the identify button and led
present on Barco P50 board, based on the pcengines-apuv2.c driver.
There is unfortunately no suitable ACPI entry for the EC communication
interface, so instead bind to boards with "P50" as their DMI product family
and hard code the I/O port number (0x299).
The driver also hooks up the leds-gpio and gpio-keys-polled drivers to the
GPIOs, so they are finally exposed as:
LED:
/sys/class/leds/identify
Button: (/proc/bus/input/devices)
I: Bus=0019 Vendor=0001 Product=0001 Version=0100
N: Name="identify"
P: Phys=gpio-keys-polled/input0
S: Sysfs=/devices/platform/barco-p50-gpio/gpio-keys-polled/input/input10
U: Uniq=
H: Handlers=event10
B: PROP=0
B: EV=3
B: KEY=1000000 0 0 0 0 0 0
Signed-off-by: Santosh Kumar Yadav <santoshkumar.yadav@barco.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Link: https://lore.kernel.org/r/20211020123634.2638-1-peter@korsgaard.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
A new warning in clang points out a use of bitwise OR with boolean
expressions in this driver:
drivers/platform/x86/thinkpad_acpi.c:9061:11: error: use of bitwise '|' with boolean operands [-Werror,-Wbitwise-instead-of-logical]
else if ((strlencmp(cmd, "level disengaged") == 0) |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
||
drivers/platform/x86/thinkpad_acpi.c:9061:11: note: cast one or both operands to int to silence this warning
1 error generated.
This should clearly be a logical OR so change it to fix the warning.
Fixes: fe98a52ce7 ("ACPI: thinkpad-acpi: add sysfs support to fan subdriver")
Link: https://github.com/ClangBuiltLinux/linux/issues/1476
Reported-by: Tor Vic <torvic9@mailbox.org>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20211018182537.2316800-1-nathan@kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
coccicheck complains about the use of snprintf() in sysfs show
functions:
WARNING use scnprintf or sprintf
Use sysfs_emit instead of scnprintf or sprintf makes more sense.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
Link: https://lore.kernel.org/r/20211018091750.858826-1-ye.guojin@zte.com.cn
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
show() must not use snprintf() when formatting the value to be
returned to user space.
Fix the coccicheck warnings:
WARNING: use scnprintf or sprintf.
Use sysfs_emit instead of scnprintf or sprintf makes more sense.
Signed-off-by: Qing Wang <wangqing@vivo.com>
Link: https://lore.kernel.org/r/1634280641-4862-1-git-send-email-wangqing@vivo.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The ACPI_HANDLE() macro is a wrapper arond the ACPI_COMPANION()
macro and the ACPI handle produced by the former comes from the
ACPI device object produced by the latter, so it is way more
straightforward to evaluate the latter directly instead of passing
the handle produced by the former to acpi_bus_get_device().
Modify ideapad_acpi_add() accordingly (no intentional functional
impact).
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/8000884.T7Z3S40VBb@kreacher
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
If the ACPI companion of a given device is not present, the result
of the ACPI_HANDLE() evaluation for it will be NULL, so calling
acpi_bus_get_device() on ACPI_HANDLE() result in order to validate
it is redundant.
Drop the redundant acpi_bus_get_device() call from mshw0011_notify()
along with a local variable related to it.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/3160001.aeNJFYEL58@kreacher
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The ACPI_HANDLE() macro is a wrapper arond the ACPI_COMPANION()
macro and the ACPI handle produced by the former comes from the
ACPI device object produced by the latter, so it is way more
straightforward to evaluate the latter directly instead of passing
the handle produced by the former to acpi_bus_get_device().
Modify s3_wmi_check_platform_device() accordingly (no intentional
functional impact).
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/12896717.uLZWGnKmhe@kreacher
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Create the attribute groups for kb_led_color and set the `groups` field
in kb_led. While touching it, also change its show method to use
sysfs_emit() instead of sprintf().
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Link: https://lore.kernel.org/r/20211006202202.7479-5-tcrawford@system76.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
System76 laptops running open source EC firmware support configuring
charging thresholds through ACPI methods. Expose this functionality
through the standard sysfs entries charge_control_{start,end}_threshold.
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Link: https://lore.kernel.org/r/20211006202202.7479-4-tcrawford@system76.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
