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[Andrey Pozdnyakov <1515105@xxxxxxxxxxxxxxxxxx>]

I am on a desktop, not Lenovo.
After an upgrade to 15.10 my web camera stopped working as well. 
I've got Logotech C600

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https://bugs.launchpad.net/bugs/1515105

Title:
  Ubuntu 15.10, Lenovo Easy Camera not working

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Cheese doesn't work.  Google Hangout does not work.

  I haven't found much on this issue in Ubuntu 15.10, understandably so.
  I have tried the option below.  Followed by that is a description of
  my system.  Then I list the return of lsusb.  I do not see my camera
  listed.  Followed by that is the response to starting up cheese.

  Tried :
  http://ubuntuforums.org/showthread.php?t=2096119

  -------------------------------------------------------------------------------------------------------------------------

  Lenovo Yoga 2 Pro
  Operating System: Ubuntu 15.10
  Processor: Intel Core i7-4500U CPU @ 1.80GHs x4
  Graphics: Intel Haswell Mobile
  OS type: 64-bit

  
  ----------------------------------------------------------------------------------------------------------------------
  lsusb:
  Bus 003 Device 002: ID 8087:8000 Intel Corp. 
  Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  Bus 001 Device 011: ID 5986:0535 Acer, Inc 
  Bus 001 Device 004: ID 04f3:016f Elan Microelectronics Corp. 
  Bus 001 Device 006: ID 2047:0855 Texas Instruments Invensense Embedded MotionApp HID Sensor
  Bus 001 Device 002: ID 8087:07dc Intel Corp. 
  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

  
  ------------------------------------------------------------------------------------------------------------
  cheese:

  
  (cheese:15224): cheese-WARNING **: Could not read from resource.: gstv4l2bufferpool.c(1054): gst_v4l2_buffer_pool_poll (): /GstCameraBin:camerabin/GstWrapperCameraBinSrc:camera_source/GstBin:bin18/GstV4l2Src:video_source:
  poll error 1: Invalid argument (22)

  
  ** (cheese:15224): CRITICAL **: cheese_preferences_dialog_on_source_change: assertion '_tmp2_ > ((guint) 0)' failed

  (cheese:15224): cheese-CRITICAL **:
  cheese_camera_device_get_device_node: assertion
  'CHEESE_IS_CAMERA_DEVICE (device)' failed

  (cheese:15224): GLib-CRITICAL **: g_variant_new_string: assertion
  'string != NULL' failed

  (cheese:15224): GLib-GIO-CRITICAL **:
  g_settings_schema_key_type_check: assertion 'value != NULL' failed

  (cheese:15224): GLib-CRITICAL **: g_variant_get_type_string: assertion
  'value != NULL' failed

  (cheese:15224): GLib-GIO-CRITICAL **: g_settings_set_value: key
  'camera' in 'org.gnome.Cheese' expects type 's', but a GVariant of
  type '(null)' was given

  ** (cheese:15224): CRITICAL **: cheese_preferences_dialog_setup_resolutions_for_device: assertion 'device != NULL' failed
  --- 
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  derek      7518 F.... pulseaudio
   /dev/snd/controlC1:  derek      7518 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.10
  HibernationDevice: RESUME=UUID=738f3463-d0fd-478b-ad74-eceedf2ae6f3
  InstallationDate: Installed on 2015-10-25 (16 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: LENOVO 20266
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-17-generic.efi.signed root=UUID=67bd59ec-1281-488e-a3d9-9777bc8e2d69 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.2.0-17.21-generic 4.2.3
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-17-generic N/A
   linux-backports-modules-4.2.0-17-generic  N/A
   linux-firmware                            1.149.1
  Tags:  wily
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  Uname: Linux 4.2.0-17-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 03/25/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 76CN35WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Yoga2
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900058STD
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo Yoga 2 Pro
  dmi.modalias: dmi:bvnLENOVO:bvr76CN35WW:bd03/25/2014:svnLENOVO:pn20266:pvrLenovoYoga2Pro:rvnLENOVO:rnYoga2:rvr31900058STD:cvnLENOVO:ct10:cvrLenovoYoga2Pro:
  dmi.product.name: 20266
  dmi.product.version: Lenovo Yoga 2 Pro
  dmi.sys.vendor: LENOVO

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