Public bug reported:

system: Asus X501A1, X401A
Other function keys work fine(ex: Fn+F2: switch wifi)

When press Fn+F5/F6, there's no dump from command: showkey.

Adjust brightness from setting "Brightness and Lock" is ok.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.5.0-25-generic 3.5.0-25.38~precise1
ProcVersionSignature: Ubuntu 3.5.0-25.38~precise1-generic 3.5.7.4
Uname: Linux 3.5.0-25-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: ALC270 Analog [ALC270 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  ubuntu     1485 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'PCH'/'HDA Intel PCH at 0xf7e10000 irq 46'
   Mixer name   : 'Intel PantherPoint HDMI'
   Components   : 'HDA:10ec0270,10431c83,00100100 
HDA:80862806,80860101,00100000'
   Controls      : 26
   Simple ctrls  : 12
Date: Tue Feb 26 02:44:25 2013
HibernationDevice: RESUME=UUID=585b1c52-73c1-42c5-b06c-d65456768ed8
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 
(20130213)
MachineType: ASUSTeK COMPUTER INC. X501A1
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-3.5.0-25-generic 
root=UUID=2d4b9c10-f74c-431e-93de-1a56621b2c33 ro quiet splash initcall_debug 
vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.5.0-25-generic N/A
 linux-backports-modules-3.5.0-25-generic  N/A
 linux-firmware                            1.79.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/20/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X501A1.211
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X501A1
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrX501A1.211:bd08/20/2012:svnASUSTeKCOMPUTERINC.:pnX501A1:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX501A1:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: X501A1
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: Anthony Wong (anthonywong)
         Status: Confirmed


** Tags: 201206-11387 201209-11781 amd64 apport-bug certification-grey precise 
qa-kernel-lts-testing running-unity taipei-lab

** Description changed:

  system: Asus X501A1, X401A
  Other function keys work fine(ex: Fn+F2: switch wifi)
  
  When press Fn+F5/F6, there's no dump from command: showkey.
+ 
+ Adjust brightness from setting "Brightness and Lock" is ok.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.5.0-25-generic 3.5.0-25.38~precise1
  ProcVersionSignature: Ubuntu 3.5.0-25.38~precise1-generic 3.5.7.4
  Uname: Linux 3.5.0-25-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: ALC270 Analog [ALC270 Analog]
-    Subdevices: 1/1
-    Subdevice #0: subdevice #0
+  **** List of CAPTURE Hardware Devices ****
+  card 0: PCH [HDA Intel PCH], device 0: ALC270 Analog [ALC270 Analog]
+    Subdevices: 1/1
+    Subdevice #0: subdevice #0
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  ubuntu     1485 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  ubuntu     1485 F.... pulseaudio
  Card0.Amixer.info:
-  Card hw:0 'PCH'/'HDA Intel PCH at 0xf7e10000 irq 46'
-    Mixer name : 'Intel PantherPoint HDMI'
-    Components : 'HDA:10ec0270,10431c83,00100100 
HDA:80862806,80860101,00100000'
-    Controls      : 26
-    Simple ctrls  : 12
+  Card hw:0 'PCH'/'HDA Intel PCH at 0xf7e10000 irq 46'
+    Mixer name : 'Intel PantherPoint HDMI'
+    Components : 'HDA:10ec0270,10431c83,00100100 
HDA:80862806,80860101,00100000'
+    Controls      : 26
+    Simple ctrls  : 12
  Date: Tue Feb 26 02:44:25 2013
  HibernationDevice: RESUME=UUID=585b1c52-73c1-42c5-b06c-d65456768ed8
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 
(20130213)
  MachineType: ASUSTeK COMPUTER INC. X501A1
  MarkForUpload: True
  ProcEnviron:
-  TERM=xterm
-  PATH=(custom, no user)
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm
+  PATH=(custom, no user)
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-25-generic 
root=UUID=2d4b9c10-f74c-431e-93de-1a56621b2c33 ro quiet splash initcall_debug 
vt.handoff=7
  RelatedPackageVersions:
-  linux-restricted-modules-3.5.0-25-generic N/A
-  linux-backports-modules-3.5.0-25-generic  N/A
-  linux-firmware                            1.79.1
+  linux-restricted-modules-3.5.0-25-generic N/A
+  linux-backports-modules-3.5.0-25-generic  N/A
+  linux-firmware                            1.79.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/20/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X501A1.211
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X501A1
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrX501A1.211:bd08/20/2012:svnASUSTeKCOMPUTERINC.:pnX501A1:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX501A1:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X501A1
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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https://bugs.launchpad.net/bugs/1133168

Title:
  can't adjust brightness via hotkeys(Fn+F6/F6)

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