Ubuntu
alsa-driver package

  1. Bug #1470730
  2. Comment #2

Comment 2 for bug 1470730

Revision history for this message
val-s (val-s) wrote : Re: [HP EliteBook 840 G2, Realtek ALC3228, Black Headphone Out, Right] Headphone out on docking station doesn't work

Confirmed bug - HP EliteBook 9470m and 9480m. Works fine in WIndows.
US UltraSlim docking station (2013 model)

Although I can no longer test it, I believe this issue was also in 14.04.