** Description changed:

- With Ubuntu 16.04, there is no audio (output) interface shows up in
- Sound settings when connecting an audio capable monitors to the HDMI,
- mDP and DP ports in Dell WD15 and TB15 docking stations.
+ [Impact]
+ With Ubuntu 16.04, there is no audio (output) interface shows up in Sound 
settings when connecting an audio capable monitors to the HDMI, mDP and DP 
ports in Dell WD15 and TB15 docking stations.
  
  Fixed in 4.11-rc1 and up.
+ 
+ [Test case]
+ 
+ Hook up a HDMI/DP monitor, test that audio works.
+ 
+ [Regression potential]
+ 
+ This is a new feature. Regression testing has been conducted on non-MST
+ setups (SKL/KBL which use i915_bpo), where HDMI/DP audio still works.
+ i915 has been tested on BDW and HDMI audio still works.

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https://bugs.launchpad.net/bugs/1694665

Title:
  [DP MST] No audio output through HDMI/DP/mDP ports in Dell WD15 and
  TB15 docking stations

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