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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1441852

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

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

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https://bugs.launchpad.net/bugs/1441852

Title:
  Audio broken on HP Spectre x360, broadwell-U audio controller

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  On ubuntu trusty, Audio driver on HP Spectre x360 doesn't work.

  May be related to the bug found on the 2015 XPS 13.
  (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1413446)

  On the kernel 4.0-rc4+ given as solution for the bug found on the XPS 13, the
  dmesg -t | egrep "(audio|snd|INT3438)" command return:

  dmar: ACPI device "INT3438:00" under DMAR at fed91000 as 00:13.0
  snd_hda_intel 0000:00:03.0: enabling device (0000 -> 0002)
  sst-acpi INT3438:00: DesignWare DMA Controller, 8 channels
  haswell-pcm-audio haswell-pcm-audio: FW loaded, mailbox readback FW info: type 01, - version: 00.00, build 77, source commit id: 876ac6906f31a43b6772b23c7c983ce9dcb18a19
  broadwell-audio broadwell-audio: ASoC: CODEC DAI rt286-aif1 not registered

  First time I post a bug,  I try to give all the assistance needed.

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