[Dell Inspiron 11 - 3147] Wireless hotkey does not work

[Po-Hsu Lin]

CID: 201403-14888 Dell Inspiron 11 - 3147

The wireless hotkey does not work on this system

Steps:
1. Install 14.04 + update (3.13.0-30), boot to desktop
2. Try to control wireless / BT with the hotkey

Expected result:
* Wireless / BT could be controlled by the hotkey

Actual result:
* Hotkey is not working

Debugging information:
ubuntu@201403-14888:~$ sudo showkey -k
kb mode was ?UNKNOWN?
[ if you are trying this under X, it might not work
since the X server is also reading /dev/console ]

press any key (program terminates 10s after last keypress)...
keycode 240 press
keycode 240 release
keycode 240 press
keycode 240 release
keycode 29 press
^Ccaught signal 2, cleaning up...
(the release event was captured right on the key press event)

Information captured by xev:
KeyPress event, serial 37, synthetic NO, window 0x3a00001,
    root 0x9d, subw 0x0, time 780247, (-715,236), root:(72,288),
    state 0x0, keycode 248 (keysym 0x0, NoSymbol), same_screen YES,
    XLookupString gives 0 bytes:
    XmbLookupString gives 0 bytes:
    XFilterEvent returns: False

KeyRelease event, serial 37, synthetic NO, window 0x3a00001,
    root 0x9d, subw 0x0, time 780247, (-715,236), root:(72,288),
    state 0x0, keycode 248 (keysym 0x0, NoSymbol), same_screen YES,
    XLookupString gives 0 bytes:
    XFilterEvent returns: False

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-30-generic 3.13.0-30.55
ProcVersionSignature: Ubuntu 3.13.0-30.55-generic 3.13.11.2
Uname: Linux 3.13.0-30-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: ubuntu 1563 F.... pulseaudio
CRDA:
 country TW:
  (2402 - 2472 @ 40), (3, 27)
  (5270 - 5330 @ 40), (3, 17), DFS
  (5735 - 5815 @ 40), (3, 30)
CurrentDesktop: Unity
Date: Tue Jul 15 02:03:22 2014
HibernationDevice: RESUME=UUID=b30f45e9-6fc7-4aa0-adff-37e7c87c19cd
InstallationDate: Installed on 2014-07-15 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Dell Inc. Inspiron 11 - 3147
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic.efi.signed root=UUID=cc246aa9-85c1-49ac-b06b-6c0f4e37dbea ro quiet splash
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-30-generic N/A
 linux-backports-modules-3.13.0-30-generic N/A
 linux-firmware 1.127.4
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/05/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A01
dmi.board.name: 00K010
dmi.board.vendor: Dell Inc.
dmi.board.version: D02
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A01
dmi.modalias: dmi:bvnDellInc.:bvrA01:bd05/05/2014:svnDellInc.:pnInspiron11-3147:pvr:rvnDellInc.:rn00K010:rvrD02:cvnDellInc.:ct8:cvrA01:
dmi.product.name: Inspiron 11 - 3147
dmi.sys.vendor: Dell Inc.

[Brad Figg (brad-figg)]

This change was made by a bot.

[Po-Hsu Lin (cypressyew)]

Note that this issue could be fixed by adding acpi_osi="!Windows 2012" parameter