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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/1440329

Title:
  No Sound output with Lenovo T450s and ThinkPad Ultra Docking station

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  When the T450s is docked into the Docking Station (40A20135EU) there
  is no sound output at the back off the Docking Station.

  [14308.190460] thinkpad_acpi: docked into hotplug port replicator
  [14309.170738] usb 2-3: new SuperSpeed USB device number 2 using xhci_hcd
  [14309.188134] usb 2-3: New USB device found, idVendor=17ef, idProduct=1010
  [14309.188142] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
  [14309.188143] usb 2-3: Product: Lenovo ThinkPad Dock   
  [14309.188146] usb 2-3: Manufacturer: LENOVO                 
  [14309.188907] hub 2-3:1.0: USB hub found
  [14309.189060] hub 2-3:1.0: 4 ports detected
  [14309.302638] usb 1-3: new high-speed USB device number 11 using xhci_hcd
  [14309.432610] usb 1-3: New USB device found, idVendor=17ef, idProduct=1010
  [14309.432615] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
  [14309.432617] usb 1-3: Product: Lenovo ThinkPad Dock   
  [14309.432618] usb 1-3: Manufacturer: LENOVO                 
  [14309.433479] hub 1-3:1.0: USB hub found
  [14309.438541] hub 1-3:1.0: 4 ports detected
  [14309.695137] thinkpad_acpi: EC reports that Thermal Table has changed
  [14309.726708] usb 1-3.1: new full-speed USB device number 12 using xhci_hcd
  [14309.827655] usb 1-3.1: New USB device found, idVendor=13ba, idProduct=0018
  [14309.827658] usb 1-3.1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
  [14309.827660] usb 1-3.1: Product: Barcode Reader 
  [14309.910809] usb 1-3.4: new high-speed USB device number 13 using xhci_hcd
  [14310.011137] usb 1-3.4: New USB device found, idVendor=17ef, idProduct=100f
  [14310.011139] usb 1-3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
  [14310.011140] usb 1-3.4: Product: Lenovo ThinkPad Dock
  [14310.011141] usb 1-3.4: Manufacturer: Lenovo
  [14310.011142] usb 1-3.4: SerialNumber: Rev1.2
  [14310.011757] hub 1-3.4:1.0: USB hub found
  [14310.011868] hub 1-3.4:1.0: 3 ports detected

  
  00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)

  Any ideas?

  
  Cheers
  Christian

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