paulo@paulo-laptop:~$ cat /proc/bus/input/devices
I: Bus=0017 Vendor=0001 Product=0001 Version=0100
N: Name="Macintosh mouse button emulation"
P: Phys=
S: Sysfs=/class/input/input0
H: Handlers=mouse0 event0 ts0
B: EV=7
B: KEY=70000 0 0 0 0 0 0 0 0
B: REL=3
I: Bus=0011 Vendor=0001 Product=0001 Version=ab41
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/serio0/input0
S: Sysfs=/class/input/input1
H: Handlers=kbd event1
B: EV=120013
B: KEY=4 2000000 3802078 f840d001 feffffdf ffefffff ffffffff fffffffe
B: MSC=10
B: LED=7
I: Bus=0003 Vendor=046d Product=c51a Version=0111
N: Name="Logitech USB Receiver"
P: Phys=usb-0000:00:1d.1-1/input0
S: Sysfs=/class/input/input2
H: Handlers=mouse1 event2 ts1
B: EV=7
B: KEY=ffff0000 0 0 0 0 0 0 0 0
B: REL=143
I: Bus=0003 Vendor=046d Product=c51a Version=0111
N: Name="Logitech USB Receiver"
P: Phys=usb-0000:00:1d.1-1/input1
S: Sysfs=/class/input/input3
H: Handlers=kbd event3
B: EV=f
B: KEY=7fff 2c3027 bf004440 0 0 1 f80 8807c000 667bfa d9415fed 8e0000 0 0 0
B: REL=40
B: ABS=1 0
I: Bus=0010 Vendor=001f Product=0001 Version=0100
N: Name="PC Speaker"
P: Phys=isa0061/input0
S: Sysfs=/class/input/input4
H: Handlers=kbd event4
B: EV=40001
B: SND=6
I: Bus=0011 Vendor=0002 Product=0007 Version=0000
N: Name="SynPS/2 Synaptics TouchPad"
P: Phys=isa0060/serio3/input0
S: Sysfs=/class/input/input5
H: Handlers=mouse2 event5 ts2
B: EV=b
B: KEY=6420 0 70000 0 0 0 0 0 0 0 0
B: ABS=11000003
I: Bus=0019 Vendor=0000 Product=0002 Version=0000
N: Name="Power Button (FF)"
P: Phys=ACPI_FPB/button/input0
S: Sysfs=/class/input/input6
H: Handlers=kbd event6
B: EV=3
B: KEY=100000 0 0 0
I: Bus=0019 Vendor=0000 Product=0003 Version=0000
N: Name="Sleep Button (CM)"
P: Phys=PNP0C0E/button/input0
S: Sysfs=/class/input/input7
H: Handlers=kbd event7
B: EV=3
B: KEY=4000 0 0 0 0
I: Bus=0019 Vendor=0000 Product=0005 Version=0000
N: Name="Lid Switch"
P: Phys=PNP0C0D/button/input0
S: Sysfs=/class/input/input8
H: Handlers=event8
B: EV=21
B: SW=1
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