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[Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx>]

Could be reproduced on 12.04.5, with 201301-12474 Lenovo T431s

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https://bugs.launchpad.net/bugs/1187264

Title:
  [Lenovo T431s] Accelerometer does not detected by the system.

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  CID: 201301-12474 Lenovo T431s

  According to the following link, this laptop is equipped with accelerometer.
  http://support.lenovo.com/en_GB/detail.page?DocID=PD026731
  But it seems that the accelerometer was not detected by the system at all.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.5.0-23-generic 3.5.0-23.35~precise1
  ProcVersionSignature: Ubuntu 3.5.0-23.35~precise1-generic 3.5.7.2
  Uname: Linux 3.5.0-23-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1529 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf1530000 irq 45'
     Mixer name	: 'Intel PantherPoint HDMI'
     Components	: 'HDA:10ec0269,17aa2208,00100203 HDA:80862806,80860101,00100000'
     Controls      : 38
     Simple ctrls  : 13
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
     Mixer name	: 'ThinkPad EC (unknown)'
     Components	: ''
     Controls      : 1
     Simple ctrls  : 1
  Card29.Amixer.values:
   Simple mixer control 'Console',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Date: Tue Jun  4 03:19:14 2013
  HibernationDevice: RESUME=UUID=48cdc325-58ff-4bb2-b7a7-3e6fbb2c77b8
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: LENOVO 814Y10G
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-23-generic root=UUID=d835fd90-0fdb-4c92-b600-3a88399ed691 ro quiet splash initcall_debug vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-23-generic N/A
   linux-backports-modules-3.5.0-23-generic  N/A
   linux-firmware                            1.79.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/17/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GHET17WW (1.02 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 814Y10G
  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: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGHET17WW(1.02):bd01/17/2013:svnLENOVO:pn814Y10G:pvrThinkPadT431s:rvnLENOVO:rn814Y10G:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 814Y10G
  dmi.product.version: ThinkPad T431s
  dmi.sys.vendor: LENOVO

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