carlo@carlo-X555LJ:~$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 006: ID 13d3:3423 IMC Networks
Bus 001 Device 002: ID 0bda:57b5 Realtek Semiconductor Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
carlo@carlo-X555LJ:~$ /proc/asound/cards
bash: /proc/asound/cards: Permission denied
carlo@carlo-X555LJ:~$