Problema webcam HP Pavillon dv6 con Ubuntu 12.04

[Gispette]

Non riesco a farla funzionare, ho cercato su internet lo stesso problema ma quando inserisco il comando lsusb mi esce fuori questo:

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Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 1058:1100 Western Digital Technologies, Inc. 
Bus 002 Device 002: ID 5986:0180 Acer, Inc 
Bus 004 Device 002: ID 15d9:0a41 Trust International B.V. MI-2540D [Optical mouse]
Bus 007 Device 002: ID 03f0:171d Hewlett-Packard Bluetooth 2.0 Interface [Broadcom BCM2045]

nessuna traccia di webcam. Aiutatemi!

[magozurlinux]

Da terminale postami questi comandi:

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dmesg | grep usb

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ls -l /dev/video*