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[Pekorius Nedas <NedasPekorius@xxxxxxxxx>]

For me on daily Saucy ISO x64 hotkeys works really well. 
as of bug 973321

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https://bugs.launchpad.net/bugs/950571

Title:
  Brightness hotkeys not working in Samsung 300V

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Brightness function keys work only from 100% to around 85% and back to 100%, looks like it only moves one step down. but brightness can be modified directly on display settings, so the bug is only on the function keys.
  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  adrian     1474 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xc0600000 irq 44'
     Mixer name	: 'Intel CougarPoint HDMI'
     Components	: 'HDA:10ec0269,144dc0b6,00100100 HDA:80862805,80860101,00100000'
     Controls      : 18
     Simple ctrls  : 10
  DistroRelease: Ubuntu 11.10
  HibernationDevice: RESUME=UUID=55fa7b63-5857-42a8-adf4-e803bd282e8f
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 300V3A/300V4A/300V5A/200A4B/200A5B
  Package: linux (not installed)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-16-generic root=UUID=827e9978-d24e-4fcc-8bc4-a4e2b7eb51ca ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.0.0-16.29-generic 3.0.20
  RelatedPackageVersions:
   linux-restricted-modules-3.0.0-16-generic N/A
   linux-backports-modules-3.0.0-16-generic  N/A
   linux-firmware                            1.60
  StagingDrivers: mei
  Tags:  oneiric running-unity staging
  Uname: Linux 3.0.0-16-generic i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 10/12/2011
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: 05FI
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 300V3A/300V4A/300V5A/200A4B/200A5B
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: FAB1
  dmi.chassis.asset.tag: Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr05FI:bd10/12/2011:svnSAMSUNGELECTRONICSCO.,LTD.:pn300V3A/300V4A/300V5A/200A4B/200A5B:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn300V3A/300V4A/300V5A/200A4B/200A5B:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.name: 300V3A/300V4A/300V5A/200A4B/200A5B
  dmi.product.version: 0.1
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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