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[GaryParr <1464757@xxxxxxxxxxxxxxxxxx>]

Just an update, I've installed the latest BIOS and still have this
problem.

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https://bugs.launchpad.net/bugs/1464757

Title:
  Audio broken on Dell Venue 11 Pro 7140

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Appears related to the following

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1413446
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1441852
  https://bugzilla.redhat.com/show_bug.cgi?id=1194616

  ubuntu-gnome@ubuntu-gnome:~$ dmesg -t | egrep "(audio|snd|INT3438)"
  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
  platform broadwell-audio: Driver broadwell-audio requests probe deferral

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-15-generic 3.19.0-15.15
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu-gnome   2440 F.... pulseaudio
  CasperVersion: 1.360
  CurrentDesktop: GNOME
  Date: Fri Jun 12 19:33:45 2015
  LiveMediaBuild: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Dell Inc. Venue 11 Pro 7140
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/username.seed boot=casper quiet splash ---
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-15-generic N/A
   linux-backports-modules-3.19.0-15-generic  N/A
   linux-firmware                             1.143
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/15/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 0XMVMH
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd04/15/2015:svnDellInc.:pnVenue11Pro7140:pvr01:rvnDellInc.:rn0XMVMH:rvrA00:cvnDellInc.:ct8:cvr:
  dmi.product.name: Venue 11 Pro 7140
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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