FM / button

/sys/bus/acpi/drivers/button

Name	Size	Mode	Actions
LNXPWRBN:00/	-	0755	rm
bind	4096	0200	edit dl rm
uevent	4096	0200	edit dl rm
unbind	4096	0200	edit dl rm

Edit: /sys/bus/acpi/drivers/button/unbind (4096B)