dmesg on ps2:
[759277.751303] usb 1-1.2.2: new full speed USB device using orion-ehci and address 8
[759277.864144] usb 1-1.2.2: New USB device found, idVendor=093a, idProduct=2463
[759277.871339] usb 1-1.2.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[759277.878946] usb 1-1.2.2: Product: CIF Single Chip
[759277.884231] usb 1-1.2.2: Manufacturer: Pixart Imaging Inc.
[759277.892818] usb 1-1.2.2: configuration #1 chosen from 1 choice
[759278.135030] Linux video capture interface: v2.00
[759278.176359] gspca: main v2.7.0 registered
[759278.196219] gspca: probing 093a:2463
[759278.294569] pac207: Pixart Sensor ID 0x27 Chips ID 0x00
[759278.299952] pac207: Pixart PAC207BCA Image Processor and Control Chip detected (vid/pid 0x093A:0x2463)
[759278.319863] gspca: probe ok
[759278.323236] usbcore: registered new interface driver pac207
[759278.330828] pac207: registered