lsusb - CPDC

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Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 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 003 Device 002: ID 1a2c:0021 China Resource Semico Co., Ltd Keyboard
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 1a2c:0042 China Resource Semico Co., Ltd 
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub