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[Mariusz <knoife.1@xxxxxxxxx>]

Thank you so much for your answer!

This method solved the problem for me. Analog output works now as
expected, same with microphone input. One thing that I couldn't get to
work is line in input.

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https://bugs.launchpad.net/bugs/1471790

Title:
  Audiotrak MAYA U5 not fully supported

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  I have a problem with usb-audio Audiotrack Maya U5 on Ubuntu 14.04.2:

  Steps to reproduce:
  1) Try to play a sound
  2) You can either get a sound out of the speakers or not which is random
  3) Stop the sound and wait ~5 seconds for the device to suspend (light on device stops blinking)
  4) You are back at point 2

  Another way to reproduce it:
  1) Try to play a sound
  2) If the sound is not playing open pavucontrol try to change profile between analog stereo output and digital stereo output several times until it “clicks” and you get a sound through one of this outputs

  With analog speakers connected sound should be playing only with
  analog output and it should not reset outputs upon device suspend.

  This problem started after I upgraded firmware from Audiotrack's
  website (http://audiotrack.net/en/download/421) to RELEASE 10. I tried
  to downgrade firmware but with no luck.

  Other problem is that there are no inputs – either digital, line in or
  microphone in pavucotrol.

  I tried several kernels from 3.2 to 4.1 and this bug is present at all
  that I tested.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.16.0-41.57~14.04.1-generic 3.16.7-ckt11
  Uname: Linux 3.16.0-41-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC1D0p:   drkp       1515 F...m pulseaudio
   /dev/snd/controlC1:  drkp       1515 F.... pulseaudio
   /dev/snd/controlC0:  drkp       1515 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Jul  6 13:49:07 2015
  InstallationDate: Installed on 2015-07-01 (4 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/19/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F1
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Q77M-D2H
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF1:bd04/19/2012:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnQ77M-D2H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To be filled by O.E.M.
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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