pb> lsusb -v 2>/dev/null | \
    perl -ne '$dev=$_ if /^Bus/; print $dev if /bInterfaceClass\s+8\D/'
Bus 002 Device 006: ID 05ac:1301 Apple Computer, Inc.
Bus 002 Device 006: ID 05ac:1301 Apple Computer, Inc.
Bus 002 Device 005: ID 1307:0163
Bus 002 Device 004: ID 05e3:070e Genesys Logic, Inc.