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Message #38052
[Bug 1157440] Re: 1002:9808 [Lenovo E435, M490s]: Brightness controls do not work
Jeff Marcom, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an issue? If
so, could you please test for this with the latest development release
of Ubuntu? ISO images are available from http://cdimage.ubuntu.com
/daily-live/current/ .
If it remains an issue, please just make a comment to this.
If reproducible, could you also please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER
where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.13-rc6
This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing
If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER
As well, please remove the tag:
needs-upstream-testing
Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.
** Tags added: bios-outdated-1.03
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Tags added: needs-upstream-testing
--
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/1157440
Title:
1002:9808 [Lenovo E435, M490s]: Brightness controls do not work
Status in amd:
Incomplete
Status in “linux” package in Ubuntu:
Incomplete
Status in “linux” source package in Precise:
Confirmed
Bug description:
Problem:
Brightness keys or brightness settings controls do not change the
brightness or display as intended.
However, If I run the following command it works perfectly:
xrandr --output LVDS --brightness 0.5
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.5.0-23-generic 3.5.0-23.35~precise1
ProcVersionSignature: Ubuntu 3.5.0-23.35~precise1-generic 3.5.7.2
Uname: Linux 3.5.0-23-generic x86_64
NonfreeKernelModules: wl
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 1: Generic_1 [HD-Audio Generic], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ubuntu 2137 F.... pulseaudio
/dev/snd/controlC0: ubuntu 2137 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Generic'/'HD-Audio Generic at 0xf0544000 irq 46'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100200'
Controls : 6
Simple ctrls : 1
Card0.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Card1.Amixer.info:
Card hw:1 'Generic_1'/'HD-Audio Generic at 0xf0540000 irq 16'
Mixer name : 'Conexant CX20590'
Components : 'HDA:14f1506e,17aa5108,00100003'
Controls : 20
Simple ctrls : 10
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
Mixer name : 'ThinkPad EC (unknown)'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Tue Mar 19 17:49:29 2013
HibernationDevice: RESUME=UUID=ee9d3e8f-05df-494c-afc6-36438c39723b
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
MachineType: LENOVO 3469C01
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-23-generic root=UUID=5396c06a-e550-4e31-b4f5-d953a397915f ro quiet splash initcall_debug vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.5.0-23-generic N/A
linux-backports-modules-3.5.0-23-generic N/A
linux-firmware 1.79.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/30/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: HNET14WW (1.01 )
dmi.board.asset.tag: Not Available
dmi.board.name: 3469C01
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrHNET14WW(1.01):bd05/30/2012:svnLENOVO:pn3469C01:pvrThinkPadEdgeE435:rvnLENOVO:rn3469C01:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 3469C01
dmi.product.version: ThinkPad Edge E435
dmi.sys.vendor: LENOVO
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