Comment 5 for bug 1299549

Raymond (superquad-vortex2) wrote :

you have to ask the author, the jack controls only have read access and no write access

any application in user space cannot change the value of the controls

control.17 {
  iface CARD
  name 'Headphone Mic Jack'
  value false
  comment {
   access read
   type BOOLEAN
   count 1
  }
 }
 control.18 {
  iface CARD
  name 'Headset Mic Phantom Jack'
  value true
  comment {
   access read
   type BOOLEAN
   count 1
  }
 }

http://bazaar.launchpad.net/~unity-settings-daemon-team/unity-settings-daemon/trunk/view/head:/plugins/media-keys/what-did-you-plug-in/pa-backend.c