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[Bug 1571343] [NEW] no brightness controls of FN button functionality

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Public bug reported:

FN button combinations do not seem to work.
Also there is no brightness slider anywhere.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-35-generic 4.2.0-35.40
ProcVersionSignature: Ubuntu 4.2.0-35.40-generic 4.2.8-ckt5
Uname: Linux 4.2.0-35-generic i686
ApportVersion: 2.19.1-0ubuntu5
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  tawfik     1260 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Apr 17 10:59:41 2016
HibernationDevice: RESUME=UUID=7a73a6a7-eb7b-4d59-bd92-bdda174a7768
InstallationDate: Installed on 2016-04-17 (0 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release i386 (20151021)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: TOSHIBA Satellite A100
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-35-generic root=UUID=ca813863-e725-4a7f-a829-682970d8bc21 ro acpi_osi=Linux quiet acpi_backlight=vendor
RelatedPackageVersions:
 linux-restricted-modules-4.2.0-35-generic N/A
 linux-backports-modules-4.2.0-35-generic  N/A
 linux-firmware                            1.149.3
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/05/2006
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 1.90
dmi.board.name: MPAD-MSAE Customer Reference Boards
dmi.board.vendor: Intel Corporation
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr1.90:bd07/05/2006:svnTOSHIBA:pnSatelliteA100:pvrPSAA8C-SK800C:rvnIntelCorporation:rnMPAD-MSAECustomerReferenceBoards:rvrNotApplicable:cvnNoEnclosure:ct1:cvrN/A:
dmi.product.name: Satellite A100
dmi.product.version: PSAA8C-SK800C
dmi.sys.vendor: TOSHIBA

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 wily

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https://bugs.launchpad.net/bugs/1571343

Title:
  no brightness controls of FN button functionality

Status in linux package in Ubuntu:
  New

Bug description:
  FN button combinations do not seem to work.
  Also there is no brightness slider anywhere.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-35-generic 4.2.0-35.40
  ProcVersionSignature: Ubuntu 4.2.0-35.40-generic 4.2.8-ckt5
  Uname: Linux 4.2.0-35-generic i686
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  tawfik     1260 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Apr 17 10:59:41 2016
  HibernationDevice: RESUME=UUID=7a73a6a7-eb7b-4d59-bd92-bdda174a7768
  InstallationDate: Installed on 2016-04-17 (0 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release i386 (20151021)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: TOSHIBA Satellite A100
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-35-generic root=UUID=ca813863-e725-4a7f-a829-682970d8bc21 ro acpi_osi=Linux quiet acpi_backlight=vendor
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-35-generic N/A
   linux-backports-modules-4.2.0-35-generic  N/A
   linux-firmware                            1.149.3
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/05/2006
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: 1.90
  dmi.board.name: MPAD-MSAE Customer Reference Boards
  dmi.board.vendor: Intel Corporation
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 1
  dmi.chassis.vendor: No Enclosure
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr1.90:bd07/05/2006:svnTOSHIBA:pnSatelliteA100:pvrPSAA8C-SK800C:rvnIntelCorporation:rnMPAD-MSAECustomerReferenceBoards:rvrNotApplicable:cvnNoEnclosure:ct1:cvrN/A:
  dmi.product.name: Satellite A100
  dmi.product.version: PSAA8C-SK800C
  dmi.sys.vendor: TOSHIBA

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