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subsystem
Devices with a type-cover have an additional "book" mode, deactivating
type-cover input and turning off its backlight. This is currently
unsupported, leading to the warning
surface_aggregator_tablet_mode_switch 01:26:01:00:01: unknown device posture for type-cover: 6
Therefore, add support for this state and map it to enable tablet-mode.
Fixes: 37ff64cd81ff ("platform/surface: aggregator_tabletsw: Add support for Type-Cover posture source")
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20230525213218.2797480-3-luzmaximilian@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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subsystem
Devices with a type-cover have an additional "book" mode, deactivating
type-cover input and turning off its backlight. This is currently
unsupported, leading to the warning
surface_aggregator_tablet_mode_switch 01:0e:01:00:01: unknown KIP cover state: 6
Therefore, add support for this state and map it to enable tablet-mode.
Fixes: 9f794056db5b ("platform/surface: Add KIP/POS tablet-mode switch driver")
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20230525213218.2797480-2-luzmaximilian@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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parallel
Currently, event completion work-items are restricted to be run strictly
in non-parallel fashion by the respective workqueue. However, this has
lead to some problems:
In some instances, the event notifier function called inside this
completion workqueue takes a non-negligible amount of time to execute.
One such example is the battery event handling code (surface_battery.c),
which can result in a full battery information refresh, involving
further synchronous communication with the EC inside the event handler.
This is made worse if the communication fails spuriously, generally
incurring a multi-second timeout.
Since the event completions are run strictly non-parallel, this blocks
other events from being propagated to the respective subsystems. This
becomes especially noticeable for keyboard and touchpad input, which
also funnel their events through this system. Here, users have reported
occasional multi-second "freezes".
Note, however, that the event handling system was never intended to run
purely sequentially. Instead, we have one work struct per EC/SAM
subsystem, processing the event queue for that subsystem. These work
structs were intended to run in parallel, allowing sequential processing
of work items for each subsystem but parallel processing of work items
across subsystems.
The only restriction to this is the way the workqueue is created.
Therefore, replace create_workqueue() with alloc_workqueue() and do not
restrict the maximum number of parallel work items to be executed on
that queue, resolving any cross-subsystem blockage.
Fixes: c167b9c7e3d6 ("platform/surface: Add Surface Aggregator subsystem")
Link: https://github.com/linux-surface/linux-surface/issues/1026
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20230525210110.2785470-1-luzmaximilian@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Add a helper routine to check the underlying cpu id, that can be used
across the PMC driver to remove the duplicate code.
Co-developed-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230525141929.866385-4-Shyam-sundar.S-k@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Recent PMFW's have support for querying the STB DRAM size. Add this
support to the driver.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Co-developed-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20230525141929.866385-3-Shyam-sundar.S-k@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Pass true/false to the bool argument of the amd_pmc_send_cmd() function,
instead of 1/0 to match the function signature.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Co-developed-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20230525141929.866385-2-Shyam-sundar.S-k@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The alt mode descriptor parameters are not used anymore.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Tested-by: Bjorn Andersson <andersson@kernel.org>
Acked-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20230526131434.46920-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new()
call-back type"), all drivers being converted to .probe_new() and then
03c835f498b5 ("i2c: Switch .probe() to not take an id parameter")
convert back to (the new) .probe() to be able to eventually drop
.probe_new() from struct i2c_driver.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20230526214703.2135137-1-u.kleine-koenig@pengutronix.de
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The added platform_driver support fails to link when I2C core support is
not rechable:
x86_64-linux-ld: drivers/platform/x86/lenovo-yogabook.o: in function `yogabook_pdev_probe':
lenovo-yogabook.c:(.text+0x5a5): undefined reference to `i2c_bus_type'
Add a Kconfig dependency to enforce a working configuration.
Fixes: 6df1523fa0b7 ("platform/x86: lenovo-yogabook: Add platform driver support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20230519082606.375471-1-arnd@kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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not complain
Object Debug results in the following warning while attempting to load
ifs firmware:
[ 220.007422] ODEBUG: object 000000003bf952db is on stack 00000000e843994b, but NOT annotated.
[ 220.007459] ------------[ cut here ]------------
[ 220.007461] WARNING: CPU: 0 PID: 11774 at lib/debugobjects.c:548 __debug_object_init.cold+0x22e/0x2d5
[ 220.137476] RIP: 0010:__debug_object_init.cold+0x22e/0x2d5
[ 220.254774] Call Trace:
[ 220.257641] <TASK>
[ 220.265606] scan_chunks_sanity_check+0x368/0x5f0 [intel_ifs]
[ 220.288292] ifs_load_firmware+0x2a3/0x400 [intel_ifs]
[ 220.332793] current_batch_store+0xea/0x160 [intel_ifs]
[ 220.357947] kernfs_fop_write_iter+0x355/0x530
[ 220.363048] new_sync_write+0x28e/0x4a0
[ 220.381226] vfs_write+0x62a/0x920
[ 220.385160] ksys_write+0xf9/0x1d0
[ 220.399421] do_syscall_64+0x59/0x90
[ 220.440635] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 220.566845] ---[ end trace 3a01b299db142b41 ]---
Correct this by calling INIT_WORK_ONSTACK instead of INIT_WORK.
Fixes: 684ec215706d ("platform/x86/intel/ifs: Authenticate and copy to secured memory")
Signed-off-by: David Arcari <darcari@redhat.com>
Cc: Jithu Joseph <jithu.joseph@intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Mark Gross <markgross@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230523105400.674152-1-darcari@redhat.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Stop restricting the PCI search to a range of PCI domains fed to
pci_get_domain_bus_and_slot(). Instead, use for_each_pci_dev() and
look at all PCI domains in one pass.
On systems with more than 8 sockets, this avoids error messages like
"Information: Invalid level, Can't get TDP control information at
specified levels on cpu 480" from the intel speed select utility.
Fixes: aa2ddd242572 ("platform/x86: ISST: Use numa node id for cpu pci dev mapping")
Signed-off-by: Steve Wahl <steve.wahl@hpe.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230519160420.2588475-1-steve.wahl@hpe.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Update cros_ec_lpc_pm_ops to call cros_ec_lpc_prepare() during PM
.prepare() and cros_ec_lpc_complete() during .complete(). This moves the
host command that the AP sends and allows the EC to log entry/exit of
AP's suspend/resume more accurately.
Reviewed-by: Raul E Rangel <rrangel@chromium.org>
Signed-off-by: Tim Van Patten <timvp@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20230515142552.1.I17cae37888be3a8683911991602f18e482e7a621@changeid
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Statically allocated array of pointers to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230511175627.282246-4-krzysztof.kozlowski@linaro.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Statically allocated array of pointers to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230511175627.282246-3-krzysztof.kozlowski@linaro.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Statically allocated array of pointers to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230511175627.282246-2-krzysztof.kozlowski@linaro.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Statically allocated array of pointers to hwmon_channel_info can be made
const for safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230511175627.282246-1-krzysztof.kozlowski@linaro.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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This commit adds sysfs interface to be used to write into the
boot log which is 1KB HW buffer on BlueField SoC. The same log
buffer is also used by firmware code like ATF/UEFI, and can be
displayed by userspace tools or from external host via USB/PCIe.
Signed-off-by: Liming Sun <limings@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20230511144924.171585-1-limings@nvidia.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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This patch fixes warnings with -Wmissing-prototypes:
warning: no previous prototype for 'source_as_str' [-Wmissing-prototypes]
warning: no previous prototype for 'slider_as_str' [-Wmissing-prototypes]
Fixes: a82ebb3d800d ("platform/x86/amd/pmf: Add PMF acpi debug support")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202305160220.REQc5T2y-lkp@intel.com/
Suggested-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230516074531.2885235-1-Shyam-sundar.S-k@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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At times, when the mode transitions fail to happen, the current
driver does not give enough debug information on why the transition
failed or the default preset values did not load. Having an on-demand
logs guarded by CONFIG would be helpful in such cases.
Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20230510144751.66601-2-Shyam-sundar.S-k@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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PMF driver maintains an internal config store for each PMF feature
after the feature init happens. Having a debug mechanism to triage
in-field issues w.r.t to mode switch not happening based on the OEM
fed values via the ACPI method to PMF driver is becoming the need of
the hour. Add support to get more ACPI debug spew guarded by a CONFIG.
Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20230510144751.66601-1-Shyam-sundar.S-k@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The sscanf() function never returns negatives. It returns the number of
items successfully read.
Fixes: 1a218d312e65 ("platform/mellanox: mlxbf-pmc: Add Mellanox BlueField PMC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/4ccdfd28-099b-40bf-8d77-ad4ea2e76b93@kili.mountain
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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After suspend/resume cycle there is an error message and auto-mode
or CnQF stops working.
[ 5741.447511] amd-pmf AMDI0100:00: SMU cmd failed. err: 0xff
[ 5741.447523] amd-pmf AMDI0100:00: AMD_PMF_REGISTER_RESPONSE:ff
[ 5741.447527] amd-pmf AMDI0100:00: AMD_PMF_REGISTER_ARGUMENT:7
[ 5741.447531] amd-pmf AMDI0100:00: AMD_PMF_REGISTER_MESSAGE:16
[ 5741.447540] amd-pmf AMDI0100:00: [AUTO_MODE] avg power: 0 mW mode: QUIET
This is because the DRAM address used for accessing metrics table
needs to be refreshed after a suspend resume cycle. Add a resume
callback to reset this again.
Fixes: 1a409b35c995 ("platform/x86/amd/pmf: Get performance metrics from PMFW")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20230513011408.958-1-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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On ASUS GU604V the key 0x7B is issued when the charger is connected or
disconnected, and key 0xC0 is issued when an external display is
connected or disconnected.
This commit maps them to KE_IGNORE to slience kernel messages about
unknown keys, such as:
kernel: asus_wmi: Unknown key code 0x7b
Signed-off-by: Alexandru Sorodoc <ealex95@gmail.com>
Link: https://lore.kernel.org/r/20230512101517.47416-1-ealex95@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Create a uevent when an EC panic is detected. This will allow udev rules
to trigger when a panic occurs. For example, a udev rule could be added to
capture an EC coredump. This approach avoids the need to stuff all the
processing into the driver.
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20230509232624.3120347-1-robbarnes@google.com
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The ChromeOS EC's mux interface allows us to specify whether the port
should be configured for Pin Assignment D in DisplayPort alternate mode
(i.e 2 lanes USB + 2 lanes DP). Update the function that determines mux
state to account for Pin Assignment D and return the appropriate mux
setting.
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20230508183428.1893357-1-pmalani@chromium.org
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The lenovo-yogabook-wmi.c code now consists of both a platform and a WMI
driver and it does not use WMI at all when used on the Android model.
Rename the module from lenovo-yogabook-wmi to lenovo-yogabook to
reflect this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-20-hdegoede@redhat.com
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On the Android yb1-x90f/l models there is not ACPI method to control
the keyboard backlight brightness. Instead the second PWM controller
is exposed directly to the OS there.
Add support for controlling keyboard backlight brightness on the Android
model by using the PWM subsystem to directly control the PWM.
The Android model also requires explicitly turning the backlight off
on suspend, which on the Windows model was done automatically.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-19-hdegoede@redhat.com
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The Lenovo Yoga Book 1 comes in 2 versions.
Version 1: The yb1-x91f/l currently supported by lenovo-yogabook-wmi, which
has a WMI interface to deal with toggling the keyboard half between
touch-keyboard and wacom-digitizer mode.
Version 2: The yb1-x90f/l which is the same hardware shipping with Android
as factory OS. This version has a very different BIOS and ACPI tables which
lack the WMI interface.
Instead the x86-android-tablets.ko code which does devices instantiation
for devices missing from ACPI on various x86 Android tablets will
instantiate a platform device for the keyboard half touch-kbd/digitizer
toggle functionality.
This patch adds a platform driver to the lenovo-yogabook code which binds
to the platform device instantiated by x86-android-tablets.ko offering
touch-kbd/digitizer toggle functionality on the Android model.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-18-hdegoede@redhat.com
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Add a define for the max brightness level instead of hardcoding
this to 255 in multiple places.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-17-hdegoede@redhat.com
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Group WMI specific code together. Note this just moves a bunch of
code-blocks around, not a single line is changed.
This is a preparation patch for making lenovo-yogabook-wmi also work
on the Android version of the Yoga Book 1 which does not have a WMI
interface to deal with toggling the keyboard half between
touch-keyboard and wacom-digitizer mode.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-16-hdegoede@redhat.com
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Change the yogabook_wmi_ prefix of remaining generic (non WMI specific)
symbols to yogabook_ .
This is a preparation patch for making lenovo-yogabook-wmi also work
on the Android version of the Yoga Book 1 which does not have a WMI
interface to deal with toggling the keyboard half between
touch-keyboard and wacom-digitizer mode.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-15-hdegoede@redhat.com
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function
Add a yogabook_toggle_digitizer_mode() helper function.
This is a preparation patch for making lenovo-yogabook-wmi also work
on the Android version of the Yoga Book 1 which does not have a WMI
interface to deal with toggling the keyboard half between
touch-keyboard and wacom-digitizer mode.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-14-hdegoede@redhat.com
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Abstract kbd backlight setting.
This is a preparation patch for making lenovo-yogabook-wmi also work
on the Android version of the Yoga Book 1 which does not have a WMI
interface to deal with toggling the keyboard half between
touch-keyboard and wacom-digitizer mode.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-13-hdegoede@redhat.com
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lenovo-yogabook-wmi: controls the power-state itself and stores
this in data->flags so there is no need to poke inside ACPI device
internals.
This is a preparation patch for making lenovo-yogabook-wmi also work
on the Android version of the Yoga Book 1 which does not have a WMI
interface to deal with toggling the keyboard half between
touch-keyboard and wacom-digitizer mode.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-12-hdegoede@redhat.com
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Split probe() and remove() into generic and WMI specific parts.
This is a preparation patch for making lenovo-yogabook-wmi also work
on the Android version of the Yoga Book 1 which does not have a WMI
interface to deal with toggling the keyboard half between
touch-keyboard and wacom-digitizer mode.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-11-hdegoede@redhat.com
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Use the (new) PMIC LED driver for pen icon LED control instead of using
custom WMI calls for this.
This will also work on the Android version of the Lenovo Yoga Book 1,
where there is no WMI interface for this.
The dev_id of the lookup is set using dev_name() so that it will also
work for both the Windows YB1 WMI-device as well as the Android YB1
platform-device. While at it also move the gpio_lookup to using dev_name()
for the dev_id.
Note this also removes the need to turn of the LED during suspend since
the PMIC LED driver now already does that.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-10-hdegoede@redhat.com
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Add a "struct device *dev" local variable to probe().
This is a preparation patch for making lenovo-yogabook-wmi also work
on the Android version of the Yoga Book 1 which does not have a WMI
interface to deal with toggling the keyboard half between
touch-keyboard and wacom-digitizer mode.
While at it also move the dev_set_drvdata() call to the end of probe().
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-9-hdegoede@redhat.com
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Store a "struct device *dev" instead of a "struct wmi_device *wdev;"
in the "struct yogabook_wmi" driver-data.
This is a preparation patch for making lenovo-yogabook-wmi also work
on the Android version of the Yoga Book 1 which does not have a WMI
interface to deal with toggling the keyboard half between
touch-keyboard and wacom-digitizer mode.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-8-hdegoede@redhat.com
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Switch to DEFINE_SIMPLE_DEV_PM_OPS() so that the __maybe_unused can
be dropped from the suspend/resume callbacks.
While at it also drop the _wmi_ part from the callback names in preparation
for making lenovo-yogabook-wmi also work on the Android version of
the Yoga Book 1 which does not have a WMI interface to deal with toggling
the keyboard half between touch-keyboard and wacom-digitizer mode.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-7-hdegoede@redhat.com
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After the devm_gpiod_get("backside_hall_sw") call the gpio lookup table
is no longer necessary.
Remove it directly after this call instead using a devm reset-action
for this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-6-hdegoede@redhat.com
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probe()
Set default keyboard backlight brightness on probe(), this fixes
the backlight being off after a rmmod + modprobe.
Fixes: c0549b72d99d ("platform/x86: lenovo-yogabook-wmi: Add driver for Lenovo Yoga Book")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-5-hdegoede@redhat.com
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Ensure that both the keyboard touchscreen and the digitizer have their
driver bound after remove(). Without this modprobing lenovo-yogabook-wmi
after a rmmod fails because lenovo-yogabook-wmi defers probing until
both devices have their driver bound.
Fixes: c0549b72d99d ("platform/x86: lenovo-yogabook-wmi: Add driver for Lenovo Yoga Book")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-4-hdegoede@redhat.com
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When yogabook_wmi_remove() runs yogabook_wmi_work might still be running
and using the devices which yogabook_wmi_remove() puts.
To avoid this move to explicitly cancelling the work rather then using
devm_work_autocancel().
This requires also making the yogabook_backside_hall_irq handler non
devm managed, so that it cannot re-queue the work while
yogabook_wmi_remove() runs.
Fixes: c0549b72d99d ("platform/x86: lenovo-yogabook-wmi: Add driver for Lenovo Yoga Book")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230430165807.472798-3-hdegoede@redhat.com
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Having to maintain a per-system allowlist is burdensome and confusing
for users, drop it.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230325-gigabyte-wmi-unrestrict-v2-1-0a54bc8e70d2@weissschuh.net
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The WMI driver core already knows how many WMI object instances
are available, use this information instead of probing the WMI object
manually.
Compile-tested only.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230430203153.5587-3-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Currently, the WMI driver core knows how many instances of a given
WMI object exist, but WMI drivers cannot access this information.
At the same time, some current and upcoming WMI drivers want to
have access to this information. Add wmi_instance_count() and
wmidev_instance_count() to allow WMI drivers to get the number of
WMI object instances.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230430203153.5587-2-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Cyberbook T116
The Cyberbook T116 rugged tablet comes in both Windows and Android versions
and even on the Android version the DSDT is mostly sane. This tablet has
2 extra general purpose buttons in the row with the power + volume-buttons,
labeled P and F.
Use the x86-android-tablets infra to create a gpio-button device for these
2 extra buttons.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230505205901.42649-2-hdegoede@redhat.com
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Modify the gpio_keys support in x86_android_tablet_init() for
tablets which have more then 1 key/button which needs to be handled
by the gpio_keys driver.
This requires copying over the struct gpio_keys_button from
the x86_gpio_button struct array to a new gpio_keys_button struct array,
as an added benefit this allows marking the per model x86_gpio_button
arrays __initconst so that they all can be freed after module init().
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230505205901.42649-1-hdegoede@redhat.com
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Add x86_gpio_button info for the yb1-x90f/l describing the lid switch
on the Lenovo Yoga Book Android models.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230429180230.97716-2-hdegoede@redhat.com
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The Lenovo Yoga Book yb1-x90f/l has (another) bug in its DSDT where
the UART resource for the BTH0 ACPI device contains
"\\_SB.PCIO.URT1" as path to the UART.
Note that is with a letter 'O' instead of the number '0' which is wrong.
Add a x86_serdev_info entry to make the x86-android-tablets module
manually setup the /sys/bus/serial device for the Bluetooth UART
to fix Bluetooth not working due to this bug.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230429180230.97716-1-hdegoede@redhat.com
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