** Also affects: linux-lts-xenial (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1041116
Title:
Brightness hotkeys have no effect on Clevo laptop
Status in Linux:
Fix Released
Status in linux package in Ubuntu:
Invalid
Status in linux-lts-xenial package in Ubuntu:
New
Bug description:
******** the bug is fixed with kernel 3.7.0.
On Ubuntu 11.10, and 12.04, and even on 12.04 with mainline kernel
3.4, and 3.6 , the brightness hotkeys (decrease=Fn+F8 , and
increase=Fn+F9) have no effect on my Clevo laptop.
- however, brightness control via "System Settings" -> "Brightness and lock"
menu (in 12.04) work out-of-the-box.
- when adding the "acpi_osi=" option, hotkeys work , but the "Brightness and
lock" menu has no effect any more.
- more information on http://ubuntuforums.org/showthread.php?t=2046843
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-26-generic 3.2.0-26.41
ProcVersionSignature: Ubuntu 3.2.0-26.41-generic 3.2.19
Uname: Linux 3.2.0-26-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: yyy 1571 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf7e00000 irq 43'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10ec0269,15584140,00100100
HDA:80862805,15584140,00100000'
Controls : 27
Simple ctrls : 13
Date: Fri Aug 24 11:15:07 2012
HibernationDevice: RESUME=UUID=56eb9210-7151-425c-93dd-b92af2e792ba
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
MachineType: CLEVO CO. W240HU/W250HUQ
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-26-generic
root=UUID=789016b1-f3f0-4b76-be92-afa2dbb36c5e ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-26-generic N/A
linux-backports-modules-3.2.0-26-generic N/A
linux-firmware 1.79
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/09/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.4
dmi.board.asset.tag: Tag 12345
dmi.board.name: W240HU/W250HUQ
dmi.board.vendor: CLEVO CO.
dmi.board.version: D02A
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr4.6.4:bd08/09/2011:svnCLEVOCO.:pnW240HU/W250HUQ:pvrNotApplicable:rvnCLEVOCO.:rnW240HU/W250HUQ:rvrD02A:cvnNoEnclosure:ct10:cvrN/A:
dmi.product.name: W240HU/W250HUQ
dmi.product.version: Not Applicable
dmi.sys.vendor: CLEVO CO.
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