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| author | Armin Wolf <W_Armin@gmx.de> | 2024-10-05 23:38:24 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2024-10-06 12:48:52 +0200 |
| commit | 5984b40f5bcd41bfd08359cdb9c8cb7ca9d3cc60 (patch) | |
| tree | b2447c3e2c626accb359e73c46fdeb45ccf625c1 /Documentation | |
| parent | 7b954b9ba007d03ba26135ac49b2c93208cf090e (diff) | |
| download | lwn-5984b40f5bcd41bfd08359cdb9c8cb7ca9d3cc60.tar.gz lwn-5984b40f5bcd41bfd08359cdb9c8cb7ca9d3cc60.zip | |
platform/x86: wmi: Update WMI driver API documentation
The WMI driver core now passes the WMI event data to legacy notify
handlers, so WMI devices sharing notification IDs are now being
handled properly.
Fixes: e04e2b760ddb ("platform/x86: wmi: Pass event data directly to legacy notify handlers")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20241005213825.701887-1-W_Armin@gmx.de
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/driver-api/wmi.rst | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/Documentation/driver-api/wmi.rst b/Documentation/driver-api/wmi.rst index 6ca58c8249e5..4e8dbdb1fc67 100644 --- a/Documentation/driver-api/wmi.rst +++ b/Documentation/driver-api/wmi.rst @@ -7,12 +7,11 @@ WMI Driver API The WMI driver core supports a more modern bus-based interface for interacting with WMI devices, and an older GUID-based interface. The latter interface is considered to be deprecated, so new WMI drivers should generally avoid it since -it has some issues with multiple WMI devices and events sharing the same GUIDs -and/or notification IDs. The modern bus-based interface instead maps each -WMI device to a :c:type:`struct wmi_device <wmi_device>`, so it supports -WMI devices sharing GUIDs and/or notification IDs. Drivers can then register -a :c:type:`struct wmi_driver <wmi_driver>`, which will be bound to compatible -WMI devices by the driver core. +it has some issues with multiple WMI devices sharing the same GUID. +The modern bus-based interface instead maps each WMI device to a +:c:type:`struct wmi_device <wmi_device>`, so it supports WMI devices sharing the +same GUID. Drivers can then register a :c:type:`struct wmi_driver <wmi_driver>` +which will be bound to compatible WMI devices by the driver core. .. kernel-doc:: include/linux/wmi.h :internal: |