You have been subscribed to a public bug:
Backlight control on HP Pavilion dv7 6104eg notebook doesn't work using
function keys or Gnome power management applet. I found a patch, that
should solve the problem:
http://www.edgrochowski.com/articles/backlight.htm (haven't tried it
yet)
lsmod:
Module Size Used by
parport_pc 36959 0
ppdev 17113 0
rfcomm 47694 8
binfmt_misc 17565 1
sco 18187 2
bnep 18308 2
l2cap 53570 16 rfcomm,bnep
vboxnetadp 13340 0
vboxnetflt 28297 0
vboxdrv 252684 2 vboxnetadp,vboxnetflt
snd_hda_codec_hdmi 28167 1
snd_hda_codec_idt 71137 1
arc4 12529 2
joydev 17606 0
uvcvideo 72195 0
usbhid 46956 0
iwlagn 333716 0
snd_hda_intel 33176 4
snd_hda_codec 103804 3
snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel
snd_hwdep 13604 1 snd_hda_codec
iwlcore 167502 1 iwlagn
snd_pcm 96391 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
videodev 82052 1 uvcvideo
i915 515121 3
snd_seq_midi 13324 0
snd_rawmidi 30486 1 snd_seq_midi
btusb 18600 2
snd_seq_midi_event 14899 1 snd_seq_midi
bluetooth 72320 9 rfcomm,sco,bnep,l2cap,btusb
snd_seq 61621 2 snd_seq_midi,snd_seq_midi_event
snd_timer 29602 2 snd_pcm,snd_seq
v4l2_compat_ioctl32 17078 1 videodev
snd_seq_device 14462 3 snd_seq_midi,snd_rawmidi,snd_seq
hid 91020 1 usbhid
hp_wmi 13706 0
sparse_keymap 13898 1 hp_wmi
mac80211 294370 2 iwlagn,iwlcore
psmouse 73535 0
snd 67382 17
snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
drm_kms_helper 42136 1 i915
serio_raw 13166 0
cfg80211 178528 3 iwlagn,iwlcore,mac80211
rts_pstor 440614 0
drm 227534 4 i915,drm_kms_helper
soundcore 12680 1 snd
snd_page_alloc 18529 2 snd_hda_intel,snd_pcm
i2c_algo_bit 13400 1 i915
video 19438 1 i915
hp_accel 21880 0
lis3lv02d 19893 1 hp_accel
max6650 14324 0
input_polldev 14007 1 lis3lv02d
coretemp 13490 0
lp 17825 0
parport 46458 3 parport_pc,ppdev,lp
ahci 25951 2
xhci_hcd 77643 0
libahci 26642 1 ahci
r8169 48022 0
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: matthias 1587 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xc7500000 irq 53'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:111d7605,103c3389,00100105
HDA:80862805,80860101,00100000'
Controls : 18
Simple ctrls : 10
DistroRelease: Ubuntu 11.04
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
MachineType: Hewlett-Packard HP Pavilion dv7 Notebook PC
Package: linux (not installed)
ProcEnviron:
LANGUAGE=en_US:en
LANG=en_US.UTF-8
SHELL=/bin/zsh
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-2.6.38-11-generic
root=UUID=6562386e-524b-41be-8383-6e1944f15f1c ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
RelatedPackageVersions:
linux-restricted-modules-2.6.38-11-generic N/A
linux-backports-modules-2.6.38-11-generic N/A
linux-firmware 1.52
StagingDrivers: rts_pstor
Tags: natty staging
Uname: Linux 2.6.38-11-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 07/20/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.1A
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3389
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 10.31
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.1A:bd07/20/2011:svnHewlett-Packard:pnHPPaviliondv7NotebookPC:pvr058D110000244620001620100:rvnHewlett-Packard:rn3389:rvr10.31:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion dv7 Notebook PC
dmi.product.version: 058D110000244620001620100
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-collected bios-outdated-f1.b natty staging
--
[HP Pavilion dv7-6104eg Entertainment Notebook PC] Backlight control doesn't
work
https://bugs.launchpad.net/bugs/847187
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