Gioele Barabucci, speaking only for my own hardware, in PowerTOP -> Tunables 
the following was noticed:
Bad        Enable Audio codec power management

I toggled this to:
Good        Enable Audio codec power management

and noticed in Device Stats:
0.0%        Audio codec hwC0D3: Intel
0.0%        Audio codec hwC0D3: Realtek

and the 100% audio components disappeared from Overview. No audio impact
was noticed, although I only played 30 seconds of one song from YouTube.

Despite that, would you have this in Tunables, or similar option?

If so, if you toggle it to Good, would this help address the issue you
raised in this report?

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1213719

Title:
  [Samsung NP900X3D-A03IT] Powertop shows 100% Device Usage for audio
  codecs

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