Comment 2 for bug 1364367

your dock headphone not plugged

control.29 {
  iface CARD
  name 'Headphone Jack'
  value false
  comment {
   access read
   type BOOLEAN
   count 1
  }
 }
 control.30 {
  iface CARD
  name 'Dock Headphone Jack'
  value false
  comment {
   access read
   type BOOLEAN
   count 1
  }
 }

ports:
  analog-output: Saída analógica (priority 9900, latency offset 0 usec, available: unknown)
   properties:

  analog-output-speaker: Alto-falantes (priority 10000, latency offset 0 usec, available: unknown)
   properties:
    device.icon_name = "audio-speakers"
  analog-output-headphones: Fones de ouvido analógico (priority 9000, latency offset 0 usec, available: no)
   properties:
    device.icon_name = "audio-headphones"
 active port: <analog-output-speaker>