Red Hat Bugzilla – Full Text Bug Listing
|Summary:||Brightness/Volume control doesn't work on T61|
|Product:||[Fedora] Fedora||Reporter:||Zdenek Kabelac <zkabelac>|
|Component:||gnome-session||Assignee:||David Zeuthen <davidz>|
|Status:||CLOSED DUPLICATE||QA Contact:||Fedora Extras Quality Assurance <extras-qa>|
|Fixed In Version:||Doc Type:||Bug Fix|
|Doc Text:||Story Points:||---|
|Last Closed:||2008-07-24 00:17:34 EDT||Type:||---|
|oVirt Team:||---||RHEL 7.3 requirements from Atomic Host:|
Description Zdenek Kabelac 2007-10-31 07:13:59 EDT
Description of problem: Brightness setting doesn't work at all on my T61 While I have no problem to use echo level 0-7 >/proc/acpi/ibm/brightness setting via keyboard Fn usually leads to unpredictable behavior. Also the buttons for sound volume/mute doens't work properly - mute does something - but up/down volume does not. Version-Release number of selected component (if applicable): Power Manager Brightness Applet 2.20.0 How reproducible: Running on Levovo T61 - whenver I use Fn+Home/End (up/down brightness) I could see the brightness picture window which changes the brightness value in its bar - but no actual brightness change could be visible. Then sometime suddenly after something like 5 minutes the brightness get changed somehow. Also the brightness applet 2.20.0 does slightly better job - moving it really cause to change the brightness - but this applet seems to be unable to properly detect current level of brightness. Steps to Reproduce: 1. Use Lenovo T61 and latest Fedora Devel 2. Try to use Fn keys for brightness / sound 3. Actual results: Randomly modified brightness and sound level Expected results: Properly modified brightness and sound level Additional info:
Comment 1 Feng Yu 2008-03-11 16:04:56 EDT
It still doesn't work in F8 hal-info-20071030-1.fc8 gnome-power-manager-2.20.0-6.fc8
Comment 2 Feng Yu 2008-03-11 16:47:32 EDT
It shall be related to kernel in kernel kernel-22.214.171.124-42.fc8 it works (not fine: the brightness keys works, the volume keys are broken) in kernel-126.96.36.199-12.fc8 it stops working.
Comment 3 Feng Yu 2008-03-11 17:44:52 EDT
It is the kernel module video causes this. by blacklisting 'video' and forcing 'thinkpad-acpi' to control the brightness, the brightness setting in gnome-powermanager works, but the thinkpad Fn-keys for brightness stops working. the volume controlling issue is caused by gnome-powermanager tries to modify the volume of my external soundcard. By disabling the keys in System->Shortcuts it becomes fine.
Comment 4 Feng Yu 2008-03-11 17:51:32 EDT
No the volume fix should be in /etc/modprobe.conf alias snd-card-0 snd-hda-intel alias snd-card-1 snd-usb-audio options snd cards_limit=3 options snd-card-0 index=0 options snd-hda-intel index=0 power_save=5 options snd-usb-audio index=1 options snd-card=1 index=1 options thinkpad-acpi brightness_enable=1 hotkey_report_mode=2
Comment 5 Feng Yu 2008-03-13 03:58:16 EDT
no gnome-power-manager still randomly controls either the build-in soundcard or the external sound card.
Comment 6 Richard Hughes 2008-04-30 05:10:44 EDT
gnome-power-manager doesn't do anything with the volume keys.
Comment 7 Richard Hughes 2008-04-30 05:44:40 EDT
Taking a guess at the component.
Comment 8 Bug Zapper 2008-05-13 23:48:36 EDT
Changing version to '9' as part of upcoming Fedora 9 GA. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
Comment 9 Zdenek Kabelac 2008-06-06 04:42:33 EDT
This bug could be closed - it loosk like recent version these applets operates properly (except for the weird behaviour of PCM volume control, where the snd-hda device doesn't work correctly on recent kernels)