dsantos@dsantos-Inspiron-7520:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CX20590 Analog [CX20590 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
dsantos@dsantos-Inspiron-7520:~$ id
uid=1000(dsantos) gid=1000(dsantos) groups=1000(dsantos),27(sudo),122(bluetooth)
dsantos@dsantos-Inspiron-7520:~$ lsusb
Bus 002 Device 003: ID 0cf3:e004 Atheros Communications, Inc.
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0c45:644a Microdia
Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 04b3:310c IBM Corp. Wheel Mouse
Bus 003 Device 002: ID 045e:07f8 Microsoft Corp. Wired Keyboard 600 (model 1576)
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
dsantos@dsantos-Inspiron-7520:~$
dsantos@dsantos-Inspiron-7520:~$ ls -l /dev/snd/
total 0
drwxr-xr-x 2 root root 60 Mai 15 15:08 by-path
crw-rw----+ 1 root audio 116, 2 Mai 15 15:08 controlC0
crw-rw----+ 1 root audio 116, 6 Mai 15 15:08 hwC0D0
crw-rw----+ 1 root audio 116, 7 Mai 15 15:08 hwC0D3
crw-rw----+ 1 root audio 116, 4 Mai 15 15:08 pcmC0D0c
crw-rw----+ 1 root audio 116, 3 Mai 15 15:38 pcmC0D0p
crw-rw----+ 1 root audio 116, 5 Mai 15 15:08 pcmC0D3p
crw-rw----+ 1 root audio 116, 1 Mai 15 15:08 seq
crw-rw----+ 1 root audio 116, 33 Mai 15 15:08 timer
dsantos@dsantos-Inspiron-7520:~$