Public bug reported:

PulseAudio thinks that a Fiio E10K can capture audio and tries to
configure that, leading to a ton of:

retire_capture_urb: 2492 callbacks suppressed

messages in dmesg. The device has no capture ability, alsamixer also
only shows one master playback control; no capture one.

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: pulseaudio 1:11.1-1ubuntu7
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/pcmC2D0p:   jak        2367 F...m pulseaudio
 /dev/snd/controlC2:  jak        2367 F.... pulseaudio
 /dev/snd/controlC1:  jak        2367 F.... pulseaudio
 /dev/snd/controlC0:  jak        2367 F.... pulseaudio
CurrentDesktop: GNOME
Date: Tue May  8 16:43:47 2018
InstallationDate: Installed on 2018-03-14 (54 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180313)
SourcePackage: pulseaudio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/22/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: N22ET31W (1.08 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20L8S02D00
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: 
dmi:bvnLENOVO:bvrN22ET31W(1.08):bd01/22/2018:svnLENOVO:pn20L8S02D00:pvrThinkPadT480s:rvnLENOVO:rn20L8S02D00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T480s
dmi.product.name: 20L8S02D00
dmi.product.version: ThinkPad T480s
dmi.sys.vendor: LENOVO

** Affects: pulseaudio (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug cosmic third-party-packages

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https://bugs.launchpad.net/bugs/1769914

Title:
  PulseAudio configures Fiio E10K DAC/headphone amp as input, but it
  only is a sink

Status in pulseaudio package in Ubuntu:
  New

Bug description:
  PulseAudio thinks that a Fiio E10K can capture audio and tries to
  configure that, leading to a ton of:

  retire_capture_urb: 2492 callbacks suppressed

  messages in dmesg. The device has no capture ability, alsamixer also
  only shows one master playback control; no capture one.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: pulseaudio 1:11.1-1ubuntu7
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC2D0p:   jak        2367 F...m pulseaudio
   /dev/snd/controlC2:  jak        2367 F.... pulseaudio
   /dev/snd/controlC1:  jak        2367 F.... pulseaudio
   /dev/snd/controlC0:  jak        2367 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Tue May  8 16:43:47 2018
  InstallationDate: Installed on 2018-03-14 (54 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180313)
  SourcePackage: pulseaudio
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/22/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N22ET31W (1.08 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20L8S02D00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN22ET31W(1.08):bd01/22/2018:svnLENOVO:pn20L8S02D00:pvrThinkPadT480s:rvnLENOVO:rn20L8S02D00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T480s
  dmi.product.name: 20L8S02D00
  dmi.product.version: ThinkPad T480s
  dmi.sys.vendor: LENOVO

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