FM / capabilities

/sys/devices/platform/i8042/serio1/input/input3/capabilities

Name	Size	Mode	Actions
abs	4096	0444	edit dl rm
ev	4096	0444	edit dl rm
ff	4096	0444	edit dl rm
key	4096	0444	edit dl rm
led	4096	0444	edit dl rm
msc	4096	0444	edit dl rm
rel	4096	0444	edit dl rm
snd	4096	0444	edit dl rm
sw	4096	0444	edit dl rm

Edit: /sys/devices/platform/i8042/serio1/input/input3/capabilities/ev (4096B)