$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: CK804 [NVidia CK804], device 0: Intel ICH [NVidia CK804]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: CK804 [NVidia CK804], device 2: Intel ICH - IEC958 [NVidia CK804 - IEC958]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
$ aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
default:CARD=CK804
    NVidia CK804, NVidia CK804
    Default Audio Device
sysdefault:CARD=CK804
    NVidia CK804, NVidia CK804
    Default Audio Device
front:CARD=CK804,DEV=0
    NVidia CK804, NVidia CK804
    Front speakers
surround40:CARD=CK804,DEV=0
    NVidia CK804, NVidia CK804
    4.0 Surround output to Front and Rear speakers
surround41:CARD=CK804,DEV=0
    NVidia CK804, NVidia CK804
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=CK804,DEV=0
    NVidia CK804, NVidia CK804
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=CK804,DEV=0
    NVidia CK804, NVidia CK804
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=CK804,DEV=0
    NVidia CK804, NVidia CK804
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=CK804,DEV=0
    NVidia CK804, NVidia CK804 - IEC958
    IEC958 (S/PDIF) Digital Audio Output
$ ls -l /dev/snd/*
crw-rw----+ 1 root audio 116,  0 мая    1 09:31 /dev/snd/controlC0
crw-rw----+ 1 root audio 116, 24 мая    1 09:31 /dev/snd/pcmC0D0c
crw-rw----+ 1 root audio 116, 16 мая    1 11:14 /dev/snd/pcmC0D0p
crw-rw----+ 1 root audio 116, 25 мая    1 09:31 /dev/snd/pcmC0D1c
crw-rw----+ 1 root audio 116, 18 мая    1 09:31 /dev/snd/pcmC0D2p
crw-rw----+ 1 root audio 116,  1 мая    1 09:31 /dev/snd/seq
crw-rw----+ 1 root audio 116, 33 мая    1 09:31 /dev/snd/timer

/dev/snd/by-path:
итого 0
lrwxrwxrwx 1 root root 12 мая    1 09:31 pci-0000:00:04.0 -> ../controlC0