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** Attachment added: "lspci-vnvn.log"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598426/+attachment/4694237/+files/lspci-vnvn.log

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https://bugs.launchpad.net/bugs/1598426

Title:
  Accelerometer and light sensor only working after pm-suspend

Status in linux package in Ubuntu:
  New

Bug description:
  My notebook has a built-in accelerometer and light sensor. Both are not working after normal startup, which I can confirm by the output of
  sudo gdbus introspect --system --dest net.hadess.SensorProxy --object-path /net/hadess/SensorProxy
  Also the automatic screen rotation does not work at this point.

  As soon as I go into suspend and return, I receive a valid output for
  both. The screen rotation then works fine as well.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-generic 4.4.0.28.30
  ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
  Uname: Linux 4.4.0-28-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  timeshifter   1768 F.... pulseaudio
   /dev/snd/controlC1:  timeshifter   1768 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Sat Jul  2 14:27:03 2016
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=87cca434-274f-4464-9598-97fd7a1338fe
  InstallationDate: Installed on 2016-03-19 (104 days ago)
  InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: LENOVO 20C0003SFR
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/usr/bin/zsh
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-28-generic root=UUID=e52c99ea-9646-4e8a-b8ad-c47b175ac5a3 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-28-generic N/A
   linux-backports-modules-4.4.0-28-generic  N/A
   linux-firmware                            1.157.1
  SourcePackage: linux
  UpgradeStatus: Upgraded to xenial on 2016-07-02 (0 days ago)
  dmi.bios.date: 11/07/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: B0ET24WW (1.11 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20C0003SFR
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrB0ET24WW(1.11):bd11/07/2014:svnLENOVO:pn20C0003SFR:pvrThinkPadS1Yoga:rvnLENOVO:rn20C0003SFR:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20C0003SFR
  dmi.product.version: ThinkPad S1 Yoga
  dmi.sys.vendor: LENOVO

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