Bug#506644: [Pkg-utopia-maintainers] Bug#506644: gnome-power-manager: Brightness applet does not change brightness
On Sat, Dec 06, 2008 at 12:01:15PM +0900, Charles Plessy wrote: Le Fri, Dec 05, 2008 at 04:20:07PM +0100, Josselin Mouette a écrit : Indeed, the kernel support seems broken. I can change the values in /sys/class/backlight/acpi_video0/brightness but they have no impact on the brightness. Charles, setting xrandr --output LVDS --set BACKLIGHT_CONTROL native should make at least xbacklight work, but for HAL which relies on the ACPI interface, this is up to the kernel. Thanks a lot everybody for your help. Interestingly, on my machine both methods work. Did this change in more recent kernels? Cheers, Moritz -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org
Bug#506644: [Pkg-utopia-maintainers] Bug#506644: gnome-power-manager: Brightness applet does not change brightness
Le Sun, Jul 26, 2009 at 03:03:38PM +0200, Moritz Muehlenhoff a écrit : Interestingly, on my machine both methods work. Did this change in more recent kernels? I just installed and tried 2.6.30-1-amd64 and it worked fine. Thanks for the ping. Have a nice day, -- Charles Plessy Tsurumi, Kanagawa, Japan -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org
Bug#506644: [Pkg-utopia-maintainers] Bug#506644: gnome-power-manager: Brightness applet does not change brightness
Josselin Mouette wrote: Le vendredi 05 décembre 2008 à 09:40 +0900, Charles Plessy a écrit : Le Thu, Dec 04, 2008 at 05:54:35PM +0100, Josselin Mouette a écrit : Does it work when you set the brightness with xbacklight? It doesn’t work anymore on my system, and I’m pretty sure it used to. The bug could lie in the X server somehow. Good point, xbacklight does not work on my system either, that's very bad news :( Yes, the same goes for me. X Utopia people: do you know what it means when neither g-p-m (through HAL) nor xbacklight (through XRandR) work to change the backlight of a display? Is it a problem in the kernel? Thanks for your insight, I can't control my backlight either (never could). Afaik it's because this function is hard wired and not controllable by software on my laptop. But if you say, that it worked for you before, than this is something different. Michael -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth? signature.asc Description: OpenPGP digital signature
Bug#506644: [Pkg-utopia-maintainers] Bug#506644: gnome-power-manager: Brightness applet does not change brightness
Le vendredi 05 décembre 2008 à 14:26 +0100, Michael Biebl a écrit : Josselin Mouette wrote: X Utopia people: do you know what it means when neither g-p-m (through HAL) nor xbacklight (through XRandR) work to change the backlight of a display? Is it a problem in the kernel? I can't control my backlight either (never could). Afaik it's because this function is hard wired and not controllable by software on my laptop. But if you say, that it worked for you before, than this is something different. The original report was about a regression for a Sony model, yes. On my laptop (a Fujitsu-Siemens one), this never worked with HAL but used to work with XRandR. Which is why I’m suspecting some change in the kernel, but I’m not sure how this is done in the X server. Cheers, -- .''`. : :' : We are debian.org. Lower your prices, surrender your code. `. `' We will add your hardware and software distinctiveness to `-our own. Resistance is futile. signature.asc Description: Ceci est une partie de message numériquement signée
Bug#506644: [Pkg-utopia-maintainers] Bug#506644: gnome-power-manager: Brightness applet does not change brightness
On Fri, Dec 5, 2008 at 14:37:35 +0100, Josselin Mouette wrote: Le vendredi 05 décembre 2008 à 14:26 +0100, Michael Biebl a écrit : Josselin Mouette wrote: X Utopia people: do you know what it means when neither g-p-m (through HAL) nor xbacklight (through XRandR) work to change the backlight of a display? Is it a problem in the kernel? I can't control my backlight either (never could). Afaik it's because this function is hard wired and not controllable by software on my laptop. But if you say, that it worked for you before, than this is something different. The original report was about a regression for a Sony model, yes. On my laptop (a Fujitsu-Siemens one), this never worked with HAL but used to work with XRandR. Which is why I’m suspecting some change in the kernel, but I’m not sure how this is done in the X server. What's the value of the BACKLIGHT_CONTROL randr property in the working/non-working cases? (xrandr --prop will list it) Cheers, Julien -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
Bug#506644: [Pkg-utopia-maintainers] Bug#506644: gnome-power-manager: Brightness applet does not change brightness
Le vendredi 05 décembre 2008 à 15:23 +0100, Julien Cristau a écrit : What's the value of the BACKLIGHT_CONTROL randr property in the working/non-working cases? (xrandr --prop will list it) Here it is listed as: BACKLIGHT_CONTROL: kernel supported: native legacy combination kernel I don’t have a working setup handy anymore, unfortunately. -- .''`. : :' : We are debian.org. Lower your prices, surrender your code. `. `' We will add your hardware and software distinctiveness to `-our own. Resistance is futile. signature.asc Description: Ceci est une partie de message numériquement signée
Bug#506644: [Pkg-utopia-maintainers] Bug#506644: gnome-power-manager: Brightness applet does not change brightness
On Fri, Dec 05, 2008 at 03:35:48PM +0100, Josselin Mouette wrote: Le vendredi 05 décembre 2008 à 15:23 +0100, Julien Cristau a écrit : What's the value of the BACKLIGHT_CONTROL randr property in the working/non-working cases? (xrandr --prop will list it) Here it is listed as: BACKLIGHT_CONTROL: kernel supported: native legacy combination kernel I don???t have a working setup handy anymore, unfortunately. Check if you hav e a class backlight device in /sys (iotw something under /sys/class/backlight). If so you should be able to control the backlight via hal. You can test the kernel by echoing values into the brightness file Sjoerd -- You can't push on a string. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
Bug#506644: [Pkg-utopia-maintainers] Bug#506644: gnome-power-manager: Brightness applet does not change brightness
reassign 506644 linux-2.6 thanks Le vendredi 05 décembre 2008 à 15:06 +, Sjoerd Simons a écrit : Check if you hav e a class backlight device in /sys (iotw something under /sys/class/backlight). If so you should be able to control the backlight via hal. You can test the kernel by echoing values into the brightness file Indeed, the kernel support seems broken. I can change the values in /sys/class/backlight/acpi_video0/brightness but they have no impact on the brightness. Charles, setting xrandr --output LVDS --set BACKLIGHT_CONTROL native should make at least xbacklight work, but for HAL which relies on the ACPI interface, this is up to the kernel. Thanks to all for the help, -- .''`. : :' : We are debian.org. Lower your prices, surrender your code. `. `' We will add your hardware and software distinctiveness to `-our own. Resistance is futile. signature.asc Description: Ceci est une partie de message numériquement signée
Bug#506644: [Pkg-utopia-maintainers] Bug#506644: gnome-power-manager: Brightness applet does not change brightness
Le Fri, Dec 05, 2008 at 04:20:07PM +0100, Josselin Mouette a écrit : Indeed, the kernel support seems broken. I can change the values in /sys/class/backlight/acpi_video0/brightness but they have no impact on the brightness. Charles, setting xrandr --output LVDS --set BACKLIGHT_CONTROL native should make at least xbacklight work, but for HAL which relies on the ACPI interface, this is up to the kernel. Thanks a lot everybody for your help. Interestingly, on my machine both methods work. Have a nice day, -- Charles Plessy Tsurumi, Kanagawa, Japan -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
