lsusb - lightsmark_fullres_08072011
Bus 002 Device 004: ID 064e:a102 Suyin Corp. Acer/Lenovo Webcam [CN0316]
Bus 002 Device 003: ID 056a:00e2 Wacom Co., Ltd
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 138a:0005 DigitalPersona, Inc
Bus 001 Device 003: ID 0bda:0138 Realtek Semiconductor Corp.
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub