Comment 2 for bug 1469451

https://wiki.ubuntu.com/PulseAudio/Log

Default sink name: alsa_output.pci-0000_00_1e.2.analog-surround-50
Default source name: alsa_input.pci-0000_00_1e.2.analog-stereo

what do you mean when you say no sound ?

Simple mixer control 'Channel Mode',0
  Capabilities: enum
  Items: '2ch' '4ch' '6ch'
  Item0: '6ch'
Simple mixer control 'Downmix',0
  Capabilities: enum
  Items: 'Off' '6 -> 4' '6 -> 2'
  Item0: 'Off'
Simple mixer control 'Exchange Front/Surround',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'External Amplifier',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'High Pass Filter Enable',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'Spread Front to Surround and Center/LFE',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]