[Bug 549994] New: not change the brightness
http://bugzilla.novell.com/show_bug.cgi?id=549994 Summary: not change the brightness Classification: openSUSE Product: openSUSE 11.2 Version: RC 1 Platform: x86-64 OS/Version: openSUSE 11.2 Status: NEW Severity: Normal Priority: P5 - None Component: KDE4 Workspace AssignedTo: kde-maintainers@suse.de ReportedBy: chodorenko@mail.ru QAContact: qa@suse.de Found By: --- User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; ru; rv:1.9.1.3) Gecko/20090909 SUSE/3.5.3-3.2 Firefox/3.5.3 not work to change the brightness through the Applet battery indicator in KDE 4 tray Notebook: Acer Extensa 5220 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03) Reproducible: Always Steps to Reproduce: 1. 2. 3. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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User chodorenko@mail.ru added comment
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--- Comment #1 from Chodorenko Michail
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Carlos Tonussi
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Carlos Tonussi
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Jeff Mahoney
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Matthias Hanisch
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Thomas Renninger
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Thomas Renninger
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--- Comment #5 from Matthias Hanisch
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--- Comment #6 from Matthias Hanisch
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--- Comment #7 from Matthias Hanisch
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--- Comment #8 from Matthias Hopf
So the /sys/../backlight/.. interface is working fine, but X (or X-apps) do not make use of it?
X apps use (or should use) the "Backlight" property of the randr output - check 'xrandr --props' for that. xbacklight changes this property. The Xserver itself uses the /sys/class/backlight interface if available. (In reply to comment #6)
pingu:/sys/devices/virtual/backlight/acpi_video0 # cat actual_brightness brightness max_brightness
Wrong interface. It should be /sys/class/backlight/*/brightness . No other interface is supported. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #9 from Matthias Hanisch
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Thomas Renninger
The Xserver itself uses the /sys/class/backlight interface if available. This seem not to be the case here? /sys/class/backlight or /sys/devices/virtual/backlight work, but xrandr does not. -> reassigning to X people, kernel seem to work.
Matthias Hanisch/Chodorenko: Could you please try whether xrandr offers you different backlight control methods and try to switch it to something like "kernel mode". -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Stefan Behlert
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--- Comment #12 from Matthias Hanisch
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