linux.git/drivers/platform, branch v7.1-rc4

Merge tag 'platform-drivers-x86-v7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

2026-05-15T18:12:54+00:00

Pull x86 platform driver fixes from Ilpo Järvinen:

 - asus-nb-wmi:
    - Use existing keyboard quirk for ASUS Zenbook Duo UX8407AA

 - hp-wmi:
    - Add support for Victus 16-r0xxx (8BC2)

 - intel/vsec_tpmi:
    - Move debugfs register before creating devices
    - Prevent fault during unbind

 - lenovo-wmi-*:
    - Fix memory leak in lwmi_dev_evaluate_int()
    - Balance IDA id allocation and free
    - Balance component bind and unbind
    - Prevent sending uninitialized WMI arguments to the device
    - Decouple lenovo-wmi-gamezone and lenovo-wmi-other to simplify
      module dependency graph
    - Limit adding attributes to supported devices

 - samsung-galaxybook:
    - Handle kbd backlight, mic mute and camera block hotkeys

* tag 'platform-drivers-x86-v7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: asus-nb-wmi: add DMI quirk for ASUS Zenbook Duo UX8407AA
  platform/x86: lenovo-wmi-other: Limit adding attributes to supported devices
  platform/x86: lenovo-wmi-other: Add Attribute ID helper functions
  platform/x86: lenovo-wmi-helpers: Move gamezone enums to wmi-helpers
  platform/x86: lenovo: Decouple lenovo-wmi-gamezone and lenovo-wmi-other
  platform/x86: lenovo-wmi-other: Fix tunable_attr_01 struct members
  platform/x86: lenovo-wmi-other: Zero initialize WMI arguments
  platform/x86: lenovo-wmi-other: Balance component bind and unbind
  platform/x86: lenovo-wmi-other: Balance IDA id allocation and free
  platform/x86: lenovo-wmi-helpers: Fix memory leak in lwmi_dev_evaluate_int()
  platform/x86: hp-wmi: Add support for Victus 16-r0xxx (8BC2)
  platform/x86/intel/tpmi/plr: Prevent fault during unbind
  platform/x86: intel: Add notifiers support
  platform/x86: intel: Move debugfs register before creating devices
  platform/x86: samsung-galaxybook: Handle ACPI hotkey notifications
  platform/x86: samsung-galaxybook: Refactor camera lens cover input device

platform/x86: asus-nb-wmi: add DMI quirk for ASUS Zenbook Duo UX8407AA

2026-05-11T14:15:16+00:00

Use the existing zenbook duo keyboard quirk for the UX8407AA model too.

Signed-off-by: Paolo Pisati 
Reviewed-by: Denis Benato 
Link: https://patch.msgid.link/20260508070956.62201-1-p.pisati@gmail.com
Reviewed-by: Ilpo Järvinen 
Signed-off-by: Ilpo Järvinen

platform/x86: lenovo-wmi-other: Limit adding attributes to supported devices

2026-05-11T11:29:11+00:00

Adds lwmi_is_attr_01_supported, and only creates the attribute subfolder
if the attribute is supported by the hardware. Due to some poorly
implemented BIOS this is a multi-step sequence of events. This is
because:
- Some BIOS support getting the capability data from custom mode (0xff),
  while others only support it in no-mode (0x00).
- Some BIOS support get/set for the current value from custom mode (0xff),
  while others only support it in no-mode (0x00).
- Some BIOS report capability data for a method that is not fully
  implemented.
- Some BIOS have methods fully implemented, but no complimentary
  capability data.

To ensure we only expose fully implemented methods with corresponding
capability data, we check each outcome before reporting that an
attribute can be supported.

Checking for lwmi_is_attr_01_supported during remove is not done to
ensure that we don't attempt to call cd01 or send WMI events if one of
the interfaces being removed was the cause of the driver unloading.

Fixes: edc4b183b794 ("platform/x86: Add Lenovo Other Mode WMI Driver")
Reported-by: Kurt Borja 
Closes: https://lore.kernel.org/platform-driver-x86/DG60P3SHXR8H.3NSEHMZ6J7XRC@gmail.com/
Cc: stable@vger.kernel.org
Reviewed-by: Rong Zhang 
Tested-by: Rong Zhang 
Reviewed-by: Mark Pearson 
Signed-off-by: Derek J. Clark 
Link: https://patch.msgid.link/20260510042546.436874-10-derekjohn.clark@gmail.com
Reviewed-by: Ilpo Järvinen 
Signed-off-by: Ilpo Järvinen

platform/x86: lenovo-wmi-other: Add Attribute ID helper functions

2026-05-11T11:29:10+00:00

Adds lwmi_attr_id() function. In the same vein as LWMI_ATTR_ID_FAN_RPM(),
but as a generic, to de-duplicate attribute_id assignment boilerplate.

Adds tunable_attr_01_id() function that breaks out the members of a
tunable_attr_01 struct and passes them to lwmi_attr_id().

No functional change intended.

Cc: stable@vger.kernel.org
Reviewed-by: Rong Zhang 
Tested-by: Rong Zhang 
Reviewed-by: Mark Pearson 
Signed-off-by: Derek J. Clark 
Link: https://patch.msgid.link/20260510042546.436874-9-derekjohn.clark@gmail.com
Reviewed-by: Ilpo Järvinen 
Signed-off-by: Ilpo Järvinen

platform/x86: lenovo-wmi-helpers: Move gamezone enums to wmi-helpers

2026-05-11T11:29:08+00:00

In a later patch in the series the thermal mode enum will be accessed
across three separate drivers (wmi-capdata, wmi-gamezonem and wmi-other).
An additional patch in the series will also add a function prototype that
needs to reference this enum in wmi-helpers.h. To avoid having all these
drivers begin to import each others headers, and to avoid declaring an
opaque enum to hande the second case, move the thermal mode enum to
helpers where it can be safely accessed by everything that needs it from
a single import.

While at it, since the gamezone_events_type enum is the only remaining
item in the header, move that as well and remove the gamezone header
entirely.

Cc: stable@vger.kernel.org
Reviewed-by: Mark Pearson 
Reviewed-by: Rong Zhang 
Tested-by: Rong Zhang 
Signed-off-by: Derek J. Clark 
Link: https://patch.msgid.link/20260510042546.436874-8-derekjohn.clark@gmail.com
Reviewed-by: Ilpo Järvinen 
Signed-off-by: Ilpo Järvinen

platform/x86: lenovo: Decouple lenovo-wmi-gamezone and lenovo-wmi-other

2026-05-11T11:29:07+00:00

Currently, lenovo-wmi-gamezone depends on lenovo-wmi-other as the former
imports symbols from the latter. The imported symbols are just used to
register a notifier block. However, there is no runtime dependency
between both drivers, and either of them can run without the other,
which is the major purpose of using the notifier framework.

Such a link-time dependency is non-optimal. A previous attempt to "fix"
it made LENOVO_WMI_GAMEZONE select LENOVO_WMI_TUNING, which was
fundamentally broken and resulted in undefined Kconfig behavior, as
`select' cannot be used on a symbol with potentially unmet dependencies.

Decouple both drivers by moving the thermal mode notifier chain to
lenovo-wmi-helpers. Methods for notifier block (un)registration are
exported for lenovo-wmi-gamezone, while a method for querying the
current thermal mode are exported for lenovo-wmi-other.

This turns the dependency graph from

            +------------ lenovo-wmi-gamezone
            |                     |
            v                     |
    lenovo-wmi-helpers            |
            ^                     |
            |                     V
            +------------ lenovo-wmi-other

into

            +------------ lenovo-wmi-gamezone
            |
            v
    lenovo-wmi-helpers
            ^
            |
            +------------ lenovo-wmi-other

To make it clear, the name of the notifier chain is also renamed from
`om_chain_head' to `tm_chain_head', indicating that it's used to query
the current thermal mode.

No functional change intended.

Reviewed-by: Mark Pearson 
Fixes: 6e38b9fcbfa3 ("platform/x86: lenovo: gamezone needs "other mode"")
Cc: stable@vger.kernel.org
Reported-by: kernel test robot 
Closes: https://lore.kernel.org/oe-kbuild-all/202603252259.gHvJDyh3-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202603260302.X0NjQOda-lkp@intel.com/
Signed-off-by: Rong Zhang 
Signed-off-by: Derek J. Clark 
Link: https://patch.msgid.link/20260510042546.436874-7-derekjohn.clark@gmail.com
Reviewed-by: Ilpo Järvinen 
Signed-off-by: Ilpo Järvinen

platform/x86: lenovo-wmi-other: Fix tunable_attr_01 struct members

2026-05-11T11:29:05+00:00

In struct tunable_attr_01 the capdata pointer is unused and the size of
the id members is u32 when it should be u8. Fix these prior to adding
additional members.

No functional change intended.

Reviewed-by: Mark Pearson 
Cc: stable@vger.kernel.org
Reviewed-by: Rong Zhang 
Tested-by: Rong Zhang 
Signed-off-by: Derek J. Clark 
Link: https://patch.msgid.link/20260510042546.436874-6-derekjohn.clark@gmail.com
Reviewed-by: Ilpo Järvinen 
Signed-off-by: Ilpo Järvinen

platform/x86: lenovo-wmi-other: Zero initialize WMI arguments

2026-05-11T11:29:03+00:00

Adds explicit initialization of wmi_method_args_32 declarations with
zero values to prevent uninitialized data from being sent to the device
BIOS when passed.

No functional change intended.

Reviewed-by: Mark Pearson 
Fixes: 22024ac5366f ("platform/x86: Add Lenovo Gamezone WMI Driver")
Fixes: edc4b183b794 ("platform/x86: Add Lenovo Other Mode WMI Driver")
Reported-by: Rong Zhang 
Closes: https://lore.kernel.org/platform-driver-x86/95c7e7b539dd0af41189c754fcd35cec5b6fe182.camel@rong.moe/
Cc: stable@vger.kernel.org
Reviewed-by: Rong Zhang 
Tested-by: Rong Zhang 
Signed-off-by: Derek J. Clark 
Link: https://patch.msgid.link/20260510042546.436874-5-derekjohn.clark@gmail.com
Reviewed-by: Ilpo Järvinen 
Signed-off-by: Ilpo Järvinen

platform/x86: lenovo-wmi-other: Balance component bind and unbind

2026-05-11T11:29:02+00:00

When lwmi_om_master_bind() fails, the master device's components are
left bound, with the aggregate device destroyed due to the failure
(found by sashiko.dev [1]).

Balance calls to component_bind_all() and component_unbind_all() when an
error is propagated to the component framework.

No functional change intended.

Reviewed-by: Mark Pearson 
Reviewed-by: Ilpo Järvinen 
Fixes: edc4b183b794 ("platform/x86: Add Lenovo Other Mode WMI Driver")
Cc: stable@vger.kernel.org
Link: https://sashiko.dev/#/patchset/20260331181208.421552-1-derekjohn.clark%40gmail.com [1]
Signed-off-by: Rong Zhang 
Signed-off-by: Derek J. Clark 
Link: https://patch.msgid.link/20260510042546.436874-4-derekjohn.clark@gmail.com
Signed-off-by: Ilpo Järvinen

platform/x86: lenovo-wmi-other: Balance IDA id allocation and free

2026-05-11T11:29:00+00:00

Currently, the IDA id is only freed on wmi-other device removal or
failure to create firmware-attributes device, kset, or attributes. It
leaks IDA ids if the wmi-other device is bound multiple times, as the
unbind callback never frees the previously allocated IDA id.
Additionally, if the wmi-other device has failed to create a
firmware-attributes device before it gets removed, the wmi-device
removal callback double frees the same IDA id.

These bugs were found by sashiko.dev [1].

Fix them by moving ida_free() into lwmi_om_fw_attr_remove() so it is
balanced with ida_alloc() in lwmi_om_fw_attr_add(). With them fixed,
properly set and utilize the validity of priv->ida_id to balance
firmware-attributes registration and removal, without relying on
propagating the registration error to the component framework, which is
more reliable and aligns with the hwmon device registration and removal
sequences.

No functional change intended.

Reviewed-by: Mark Pearson 
Fixes: edc4b183b794 ("platform/x86: Add Lenovo Other Mode WMI Driver")
Cc: stable@vger.kernel.org
Link: https://sashiko.dev/#/patchset/20260331181208.421552-1-derekjohn.clark%40gmail.com [1]
Signed-off-by: Rong Zhang 
Signed-off-by: Derek J. Clark 
Link: https://patch.msgid.link/20260510042546.436874-3-derekjohn.clark@gmail.com
Reviewed-by: Ilpo Järvinen 
Signed-off-by: Ilpo Järvinen