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Message #70450
[Bug 1250401] Re: [Dell Inspiron 5737] brightness could not be controlled by the indicator applet "System settings -> Brightness and Lock"" but sysfs works
Backlight works with the kernel mentioned in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1333638/comments/10.
I will submit a sauce patch for Dell Inspiron 5547/5447/5737 and Vostro
5470.
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https://bugs.launchpad.net/bugs/1250401
Title:
[Dell Inspiron 5737] brightness could not be controlled by the
indicator applet "System settings -> Brightness and Lock"" but sysfs
works
Status in HWE Next Project:
Invalid
Status in HWE Next trusty series:
New
Status in HWE Next utopic series:
Invalid
Status in “linux” package in Ubuntu:
Confirmed
Status in “linux-lts-raring” package in Ubuntu:
New
Status in “linux” source package in Trusty:
Triaged
Status in “linux-lts-raring” source package in Trusty:
Invalid
Bug description:
Dell Inspiron 5737 (CID 201305-13636) with ubuntu 12.04.3
steps to reproduce the bug:
1. install 12.04.3 on this machine
2. update the system via update manager to make the system up-to-date
3. click the upper-right indicator to launch the "System settings -> Brightness and Lock" applet
4. try to adjust the brightness bar to control the brightness
expected result:
the brightness could be adjusted by the bar
actual result:
screen brightness has no response
--------------------------------------
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.8.0-33-generic 3.8.0-33.48~precise1
ProcVersionSignature: Ubuntu 3.8.0-33.48~precise1-generic 3.8.13.11
Uname: Linux 3.8.0-33-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.8.0-33-generic.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 1: PCH [HDA Intel PCH], device 0: ALC283 Analog [ALC283 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ubuntu 1708 F.... pulseaudio
/dev/snd/controlC0: ubuntu 1708 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'MID'/'HDA Intel MID at 0x90710000 irq 62'
Mixer name : 'Intel Haswell HDMI'
Components : 'HDA:80862807,80860101,00100000'
Controls : 21
Simple ctrls : 3
Card1.Amixer.info:
Card hw:1 'PCH'/'HDA Intel PCH at 0x90714000 irq 63'
Mixer name : 'Realtek ALC283'
Components : 'HDA:10ec0283,102805ec,00100002'
Controls : 16
Simple ctrls : 7
Date: Tue Nov 12 05:49:09 2013
HibernationDevice: RESUME=UUID=d809501f-7daa-47a2-8299-1844cd4d75cc
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1)
MachineType: Dell Inc. Inspiron 5737
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-33-generic root=UUID=fdac94e0-b7ee-402a-a160-6567b65501c6 ro quiet splash initcall_debug vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.8.0-33-generic N/A
linux-backports-modules-3.8.0-33-generic N/A
linux-firmware 1.79.7
SourcePackage: linux-lts-raring
StagingDrivers: rts5139
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/30/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 04X8RP
dmi.board.vendor: Dell Inc.
dmi.board.version: X01
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A05
dmi.modalias: dmi:bvnDellInc.:bvrA05:bd08/30/2013:svnDellInc.:pnInspiron5737:pvrA05:rvnDellInc.:rn04X8RP:rvrX01:cvnDellInc.:ct8:cvrA05:
dmi.product.name: Inspiron 5737
dmi.product.version: A05
dmi.sys.vendor: Dell Inc.
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