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[Bug 1167270] Re: Haswell HDMI Audio: Pin remains in D3 state

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Leann Ogasawara <leann.ogasawara@xxxxxxxxxxxxx>
Date: Thu, 25 Jul 2013 18:46:33 -0000
Reply-to: Bug 1167270 <1167270@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: intel
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1167270

Title:
  Haswell HDMI Audio: Pin remains in D3 state

Status in HWE Next Project:
  Fix Released
Status in intel:
  Fix Released
Status in The Linux Kernel:
  New
Status in “linux” package in Ubuntu:
  Fix Released

Bug description:
  When trying to enable HDMI audio on Haswell machines we sometimes come
  across the following symptom:

   - No audio output
   - When looking at the /proc/asound/cardX/codecX file, it shows for the active pin node, that the right channel is muted and that the pin is in D3 (powersave) mode.
   - It might be that this problem only happens when the computer is connected to AC power, and not when it's running on battery power.

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