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2b6aa6610d
The lenovo-ymc driver is causing the keyboard + touchpad to stop working
on some regular laptop models such as the Lenovo ThinkBook 13s G2 ITL 20V9.
The problem is that there are YMC WMI GUID methods in the ACPI tables
of these laptops, despite them not being Yogas and lenovo-ymc loading
causes libinput to see a SW_TABLET_MODE switch with state 1.
This in turn causes libinput to ignore events from the builtin keyboard
and touchpad, since it filters those out for a Yoga in tablet mode.
Similar issues with false-positive SW_TABLET_MODE=1 reporting have
been seen with the intel-hid driver.
Copy the intel-hid driver approach to fix this and only bind to the WMI
device on machines where the DMI chassis-type indicates the machine
is a convertible.
Add a 'force' module parameter to allow overriding the chassis-type check
so that users can easily test if the YMC interface works on models which
report an unexpected chassis-type.
Fixes:
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| .. | ||
| chrome | ||
| goldfish | ||
| loongarch | ||
| mellanox | ||
| mips | ||
| olpc | ||
| surface | ||
| x86 | ||
| Kconfig | ||
| Makefile | ||