The shared ACPI Windows Management Instrumentation (WMI) layer that vendor-specific laptop and desktop drivers build on top of. It exposes the WMI methods firmware advertises so per-vendor drivers (Dell, HP, Lenovo, etc.) can talk to special function keys, hotkeys, LEDs, and other firmware-managed features.
This is not actually a hardware driver; it is the common ACPI-WMI core that other platform drivers depend on, plus its KUnit self-tests. It belongs in the kernel as plumbing rather than being judged on its own hardware merits.
repository signals
10files
2,685source lines
8commits, 5y
+2,779 / −8lines added / removed, 5y
3authors, 5y
monthly commits · 2021-04-21 → 2026-04-21 · 8 total · active in 3/61 months
sources
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codex reasoning notes (technical)
Not a driver directory: this is the ACPI-WMI core/infrastructure layer (`ACPI-WMI support` / `ACPI-WMI driver core`) with helper code and KUnit tests, not a hardware-specific kernel driver.