I have same problem with Acer Switch 12. Buttons have never worked on any kernel up to 4.4.0-66. They have the same index numbers.
-- 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/1629415 Title: Broken hardware buttons on Dell XPS 12-9Q33 Status in linux package in Ubuntu: Confirmed Bug description: System Ubuntu 16.04 Kernel 4.4.0-36 and newer break the hardware volume control buttons on Dell XPS 12-9Q33. On key press kernel reports: intel-vbtn INT33D6:00: unknown event index 0xc6 intel-vbtn INT33D6:00: unknown event index 0xc7 --- ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: halbamy 1631 F.... pulseaudio /dev/snd/controlC0: halbamy 1631 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=d26cee8a-01a4-4c7d-bba9-9573c01d1ca5 InstallationDate: Installed on 2016-03-15 (200 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160307) MachineType: Dell Inc. XPS 12-9Q33 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-38-generic root=UUID=94f9e5d4-c056-4277-97b7-8cad719003c8 ro ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19 RelatedPackageVersions: linux-restricted-modules-4.4.0-38-generic N/A linux-backports-modules-4.4.0-38-generic N/A linux-firmware 1.157.3 Tags: xenial Uname: Linux 4.4.0-38-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dialout dip lpadmin mythtv plugdev sambashare sudo vboxusers _MarkForUpload: True dmi.bios.date: 03/03/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A08 dmi.board.name: XPS 12-9Q33 dmi.board.vendor: Dell Inc. dmi.board.version: A08 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnDellInc.:bvrA08:bd03/03/2015:svnDellInc.:pnXPS12-9Q33:pvrA08:rvnDellInc.:rnXPS12-9Q33:rvrA08:cvnDellInc.:ct8:cvrNotSpecified: dmi.product.name: XPS 12-9Q33 dmi.product.version: A08 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1629415/+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
