FM / LNXSYSTM:00

/sys/devices/LNXSYSTM:00

Name	Size	Mode	Actions
LNXPWRBN:00/	-	0755	rm
LNXSYBUS:00/	-	0755	rm
LNXSYBUS:01/	-	0755	rm
power/	-	0755	rm
subsystem/	-	0755	rm
hid	4096	0444	edit dl rm
modalias	4096	0444	edit dl rm
path	4096	0444	edit dl rm
uevent	4096	0644	edit dl rm

Edit: /sys/devices/LNXSYSTM:00/uevent (4096B)

MODALIAS=acpi:LNXSYSTM: