Brightness control on Toshiba Satellite C660 laptop
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Invalid
|
Medium
|
Unassigned |
Bug Description
Backlight control does not work on Toshiba Satellite C660 with Ubuntu 10.04 64 bits.
The only trick I've found is : xgamma -gamma 0.5 and that works.
Hot keys Fn 6 and Fn 7 are active but have no effect on the brightness of the LCD.
WORKAROUND: I have fixed my problem by installing nvidia-current (through Synaptics package manager) which was not installed.
After installation I had to add this line in the Device section of xorg.conf :
on "RegistryDwords" "EnableBrightne
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf7200000 irq 22'
Mixer name : 'Realtek ALC269'
Components : 'HDA:10ec0269,
Controls : 13
Simple ctrls : 8
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xf7080000 irq 17'
Mixer name : 'Nvidia ID b'
Components : 'HDA:10de000b,
Controls : 0
Simple ctrls : 0
Card1.Amixer.
DistroRelease: Ubuntu 10.04
Frequency: Once a day.
HibernationDevice: RESUME=
InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release amd64 (20120214.2)
Lsusb:
Bus 002 Device 002: ID 8087:0024
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 04f2:b1d6 Chicony Electronics Co., Ltd
Bus 001 Device 002: ID 8087:0024
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: TOSHIBA SATELLITE C660
Package: linux 2.6.32.38.44
PackageArchitec
ProcCmdLine: BOOT_IMAGE=
ProcEnviron:
LANG=fr_FR.UTF-8
SHELL=/bin/bash
ProcVersionSign
Regression: No
RelatedPackageV
Reproducible: No
RfKill:
Tags: lucid graphics needs-upstream-
Uname: Linux 2.6.32-38-generic x86_64
UserGroups:
dmi.bios.date: 07/11/2011
dmi.bios.vendor: TOSHIBA
dmi.bios.version: 1.10
dmi.board.
dmi.board.name: PWWHA
dmi.board.vendor: TOSHIBA
dmi.board.version: 1.00
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.
dmi.modalias: dmi:bvnTOSHIBA:
dmi.product.name: SATELLITE C660
dmi.product.
dmi.sys.vendor: TOSHIBA
description: | updated |
tags: | removed: needs-upstream-testing |
tags: | removed: apport-collected |
tags: | added: kernel-bug-exists-upstream |
tags: | added: apport-collected |
Changed in linux (Ubuntu): | |
status: | Incomplete → Confirmed |
tags: | added: needs-full-computer-model needs-upstream-testing |
tags: | added: lucid |
description: | updated |
This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:
apport-collect 939569
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.