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

** Tags removed: brightness dim
** Tags added: bios-outdated-a06

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https://bugs.launchpad.net/bugs/1401415

Title:
  [Dell Inspiron 2350] could not control brightness

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Dell Inspiron 2350 (CID 201305-13669) with Ubuntu 14.04.1
  Linux 201305-13669 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
  VGA compatible controller [0300]: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06)

  Steps to reproduce this bug:
  1. install Ubuntu 14.04.1
  2. after installing, boot into desktop
  3. dash --> brightness

  Expected result:
  There is an brightness slider on the brightness panel

  Actual result:
  There is no such slider.

  More information:

  /sys/class/backlight/ shows nothing

  ubuntu@201305-13669:~$ ls /sys/class/backlight/
  ubuntu@201305-13669:~$

  
  ---------------------------------------------------------------
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1476 F.... pulseaudio
   /dev/snd/controlC1:  ubuntu     1476 F.... pulseaudio
  CurrentDesktop: Unity
  CurrentDmesg:
   [   15.148179] thinkpad_ec: no ThinkPad embedded controller!
   [   17.013792] init: plymouth-upstart-bridge main process ended, respawning
   [   17.021574] init: plymouth-upstart-bridge main process ended, respawning
   [   17.969005] r8169 0000:03:00.0 eth0: link up
   [   17.969013] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=a6237ffe-4fa9-4ab7-9253-55430263f86f
  InstallationDate: Installed on 2014-12-08 (2 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  MachineType: Dell Inc. Inspiron 2350
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic root=UUID=fe7cefb8-002c-4091-9a6e-6cab455727b5 ro rootdelay=60 quiet splash initcall_debug vt.handoff=7
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-32-generic N/A
   linux-backports-modules-3.13.0-32-generic  N/A
   linux-firmware                             1.127.5
  Tags:  trusty
  Uname: Linux 3.13.0-32-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 09/02/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A02
  dmi.board.name: 08NG84
  dmi.board.vendor: Dell Inc.
  dmi.board.version: X01
  dmi.chassis.type: 13
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 00
  dmi.modalias: dmi:bvnDellInc.:bvrA02:bd09/02/2013:svnDellInc.:pnInspiron2350:pvr00:rvnDellInc.:rn08NG84:rvrX01:cvnDellInc.:ct13:cvr00:
  dmi.product.name: Inspiron 2350
  dmi.product.version: 00
  dmi.sys.vendor: Dell Inc.

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