Public bug reported:
Display brightness control via function keys only allows three levels of
brightness. It appears to initially start off with more levels, but once
you have changed the brightness, it only chooses three levels.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: linux-image-3.5.0-23-generic 3.5.0-23.35
ProcVersionSignature: Ubuntu 3.5.0-23.35-generic 3.5.7.2
Uname: Linux 3.5.0-23-generic x86_64
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: dan 2056 F.... pulseaudio
/dev/snd/pcmC0D0c: dan 2056 F...m pulseaudio
/dev/snd/pcmC0D0p: dan 2056 F...m pulseaudio
/dev/snd/pcmC1D0p: dan 2056 F...m pulseaudio
Date: Mon Feb 18 00:46:35 2013
HibernationDevice: RESUME=UUID=317e217c-0051-4df5-a2f8-23ea0206408b
InstallationDate: Installed on 2013-02-18 (0 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: Hewlett-Packard HP ENVY 15 Notebook PC
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
0 radeondrmfb
1 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.5.0-23-generic
root=UUID=fea23185-b2f6-44e5-8a64-6b18c5d19040 ro rootflags=subvol=@ quiet
splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Daemon not
responding.
RelatedPackageVersions:
linux-restricted-modules-3.5.0-23-generic N/A
linux-backports-modules-3.5.0-23-generic N/A
linux-firmware 1.95
SourcePackage: linux
StagingDrivers: rts_pstor
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/15/2012
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.09
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1688
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 44.1F
dmi.chassis.asset.tag: CNU2163D3Y
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.09:bd08/15/2012:svnHewlett-Packard:pnHPENVY15NotebookPC:pvr0691100000204810000620100:rvnHewlett-Packard:rn1688:rvrKBCVersion44.1F:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP ENVY 15 Notebook PC
dmi.product.version: 0691100000204810000620100
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug quantal running-unity staging
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https://bugs.launchpad.net/bugs/1128749
Title:
HP Envy 15: hardware display brightness has only three levels
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