[Bug 82188] Re: Brightness control via ACPI in HP notebooks
[Expired for hal (Ubuntu) because there has been no activity for 60 days.] ** Changed in: hal (Ubuntu) Status: Incomplete => Expired -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/82188 Title: Brightness control via ACPI in HP notebooks To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/hal/+bug/82188/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
Mahmoud can you confirm this bug is fixed? Thank you for helping us! ** Changed in: hal (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/82188 Title: Brightness control via ACPI in HP notebooks To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/hal/+bug/82188/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
Using Ubuntu 10.04, HP laptop display brightness can be adjusted from Power Management (System > Preferences > Power Management) or using the command line but can not be adjusted with Fn key on Ubuntu 10.04. /proc/acpi/video/VGA/LCD# echo 50 > brightness -- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
Can you check if this bug is still present in Ubuntu 9.10 Karmic Koala? -- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
I think this is related to https://bugs.launchpad.net/ubuntu/+source/hal/+bug/201433, except for the drivers involved. Actually looks like the drivers are not working correctly, but APCI is, so why not just use ACPI in hal for changing the brightness? -- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
** Changed in: hal (Ubuntu) Status: New => Confirmed -- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
I tried a newer BIOS (f.39) again in the hope that bug would have been fixed, as the older bioses cause other bugs for me, but the brighness adjustment still will not work. I think the bug actually isn't in hal but in the kernel (acpi module?). It seems that the /proc/acpi interface is deprecated and hal won't be supporting it in the future. At least according to this thread on the hal mailing list http://lists.freedesktop.org/archives/hal/2007-September/009557.html If I understood correctly the kernel should supply a /sys/class/backlight directory to control the lcd backlight brightness. On my laptop (HP dv2100t) with the f.39 BIOS I too can control the brightness like grybba explained through /proc/acpi/video/GFX0/LCD/brightness or /proc/acpi/video/VGA/LCD/brightness but my /sys/class/backlight directory is empty and thus hal can't control the brigthtness. If the others suffering from this bug also have no /sys/class/backlight, but can control the brightness via /proc then in my understanding this bug should be assigned to the kernel. If there is any further information on my system you need, just let me know. I'll happily run some tests. -- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
Try typing the following command in a terminal: xgamma -gamma 0.75 If that doesn't work you need to install xgamma from the repos. I have posted my own solution here on setting it up: http://ubuntuforums.org/showthread.php?p=4168042#post4168042 -- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
** Tags added: brightness -- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
Hey really thank you for this information, but i tried and the installer said that it's not for my notebook, but I have a pavilion dv2000, there's any way to force?? -- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
I can confirm this problem on an intel core 2 duo dv2100t with bios versions f.22-f.26. The older versions of the bios (f.11 and f.12) work perfectly but intel's VT virtualization is disabled in them. Downgrading the bios will probably solve the problem.The older bios versions are not listed on HP's site any more, but they still have them on their ftp-server. The f.12, which is the newest version with which brightness adjustments work for me, can be downloaded from ftp://ftp.hp.com/pub/softpaq/sp34001-34500/sp34171.exe Description: ftp://ftp.hp.com/pub/softpaq/sp34001-34500/sp34171.html -- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
Hi, I have a laptop HP DV2000 series (dv2033ea) and when I upgrade the bios, I have this problem! If I increase or decrease the bright, with Fn keys, bright comes to MAX and i cant decrease it. It's really a problem for me, becouse my laptop battery is not too biger...and i cant use it for more than 1,5 hours, -- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
I think I have the same problem with you. My laptop is HP dv2210us which is a model of dv2000z series. I cannot adjust the LCD brightness through Fn keys. Moreover, there is no brightness slider in gnome- power-management. I then install Kubuntu which I use more often before, however, the kpowersave report that HAL cannot recognize my hardware when I try to adjust the LCD brightness. -- Brightness control via ACPI in HP notebooks https://bugs.launchpad.net/bugs/82188 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
Removed the duplicate status, sorry. I thought they were essentially the same problem. In fact I just tried the solution with an Acer Laptop suffering from the same symptoms and met the same results. ** This bug is no longer a duplicate of bug 68617 bashism in hal-system-lcd-get-brightness-linux -- Brightness control via ACPI in HP notebooks https://launchpad.net/bugs/82188 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
*** This bug is a duplicate of bug 68617 *** I just wanted to add that all the HP notebook users would be extremely happy if this thing would get fixed. Running the LCD all the time at the full brightness really decreases the battery life and is, together with the suspend issue, one of the two remaining problems with Ubuntu on HP laptops - otherwise it is just perfect ;). -- Brightness control via ACPI in HP notebooks https://launchpad.net/bugs/82188 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
*** This bug is a duplicate of bug 68617 *** This fix does not work for me and I think that my problem is located in a different place. I do not have a possibility to adjust brightness in Power Management in Gnome - it seems that Ubuntu is unaware of the fact that the brightness of my LCD can be changed using ACPI. I assume that if HAL knew about the ACPI possibility of adjusting brightness via writing to the file, an appropriate slider would appear in Power Management but there is nothing like this in there. So this definitely not a duplicate of a bug #68617. Please do remove the duplicate flag as the bug is still valid. -- Brightness control via ACPI in HP notebooks https://launchpad.net/bugs/82188 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
*** This bug is a duplicate of bug 68617 *** You're correct actually and as such this bug becomes a duplicate of bug #68617 The good news is that there is a fix, located in that report or even nicer in this page: http://www.ubuntuforums.org/showthread.php?t=305141 Hope this works out for you. If by chance it doesn't, I'll glady remove the duplicate status. ** Changed in: Ubuntu Sourcepackagename: None => hal Assignee: Chris Burgan => (unassigned) Status: Needs Info => Unconfirmed ** This bug has been marked a duplicate of bug 68617 bashism in hal-system-lcd-get-brightness-linux -- Brightness control via ACPI in HP notebooks https://launchpad.net/bugs/82188 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
Yes, I would like the power managment to be able to adjust the brightness if running on batteries. For example there is a simple Power Manager in Kubuntu, and, in general, it allows to setup brightness if running on batteries. This tool does not allow to set up brightness on my notebook - I've checked some forums and found out that the reason is that the HAL is not recognizing the possibility of adjusting brightness. I guessed that making hald aware of it would solve the problem. -- Brightness control via ACPI in HP notebooks https://launchpad.net/bugs/82188 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
Thanks for the report, Just for clarification, what you're trying to say is that going through gnome System > Preferences > Power Management doesn't have any options to adjust the brightness? Is that what your issue is? I just want to classify this in the right area by pinpointing where else you're trying to change the brightness that it's not recognized. ** Changed in: Ubuntu Assignee: (unassigned) => Chris Burgan Status: Unconfirmed => Needs Info -- Brightness control via ACPI in HP notebooks https://launchpad.net/bugs/82188 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
** Attachment added: "the same file after update to the F.0A BIOS" http://librarian.launchpad.net/5933073/procF0A.zip -- Brightness control via ACPI in HP notebooks https://launchpad.net/bugs/82188 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 82188] Re: Brightness control via ACPI in HP notebooks
This is a zipped /proc directory. I will be happy to run any tests or submit a DSDT or help in any other way. ** Attachment added: "the zipped /proc directory" http://librarian.launchpad.net/5932008/proc.zip -- Brightness control via ACPI in HP notebooks https://launchpad.net/bugs/82188 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
