Hello, With the deb file provided in comment #9 installed, it made audio mute LED work. Therefore, this bug could be solved with tweak in comment #6 and the package in comment #9 Thanks!
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1339998 Title: [Dell Latitude 12 Rugged Extreme 7204] Microphone mute key does not work Status in HWE Next Project: New Status in “linux” package in Ubuntu: Triaged Bug description: CID: 201402-14663 Dell Latitude 12 Rugged Extreme The microphone mute key does not work on this system, so as its LED Steps: 1. Install 14.04 + update (3.13.0-30), boot to desktop 2. Try to mute the microphone with the hotkey (fn+F4) Expected results: * Mic mute key should work, its LED should be lit and the "Mute" option for input device should be ticked after you press the mic mute key. Actual result: * Nothing happened. Debugging information: ubuntu@201402-14663:~$ 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 28 release keycode 248 press keycode 248 release keycode 248 press keycode 248 release keycode 248 press keycode 248 release keycode 29 press ^Ccaught signal 2, cleaning up... xev cannot detect any microphone mute key event 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/controlC1: ubuntu 1501 F.... pulseaudio /dev/snd/controlC0: ubuntu 1501 F.... pulseaudio CRDA: country TW: (2402 - 2472 @ 40), (3, 27) (5270 - 5330 @ 40), (3, 17), DFS (5735 - 5815 @ 40), (3, 30) CurrentDesktop: Unity Date: Wed Jul 9 23:57:11 2014 HibernationDevice: RESUME=UUID=b68f02ad-f5e4-4eb9-b88d-e85f60666734 InstallationDate: Installed on 2014-07-10 (0 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Dell Inc. Latitude 12 Rugged Extreme (7204) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic.efi.signed root=UUID=bdd00fe9-0df9-4b71-92c5-5f94c533f725 ro quiet splash vt.handoff=7 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: 05/12/2014 dmi.bios.vendor: Dell Inc. dmi.bios.version: A00 dmi.board.name: 0TH1GJ dmi.board.vendor: Dell Inc. dmi.board.version: X02 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA00:bd05/12/2014:svnDellInc.:pnLatitude12RuggedExtreme(7204):pvr01:rvnDellInc.:rn0TH1GJ:rvrX02:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude 12 Rugged Extreme (7204) dmi.product.version: 01 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1339998/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
