[Bug 445428] New: Laptop brightness keys don't work
https://bugzilla.novell.com/show_bug.cgi?id=445428 Summary: Laptop brightness keys don't work Product: openSUSE 11.1 Version: Factory Platform: i686 OS/Version: openSUSE 11.0 Status: NEW Severity: Normal Priority: P5 - None Component: Mobile Devices AssignedTo: zoz@novell.com ReportedBy: xavier@wflogistics.com QAContact: qa@suse.de Found By: --- Hi, I have a laptop Lenovo Thinkpad T61. The brightness keys don't work in openSUSE 11.1 beta5 (live cd), either in my installed openSUSE 11.0 I have tried several parameters combitations between 'thinkpad-acpi' and 'video' kernel modules but didn't worked. I recently ran a kubuntu 8.10 live cd and my brightness keys do worked as expected, but I think that this functionality come with 'video' acpi module, both, openSUSE 11.1 and Kubuntu 8.10, come with kernel 2.6.27. -- Configure bugmail: https://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 thoenig@novell.com added comment
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Timo Hoenig
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User xavier@wflogistics.com added comment
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Xavier Callejas
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User thoenig@novell.com added comment
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Timo Hoenig
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User xavier@wflogistics.com added comment
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Xavier Callejas
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User thoenig@novell.com added comment
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Timo Hoenig
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User xavier@wflogistics.com added comment
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--- Comment #6 from Xavier Callejas
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User xavier@wflogistics.com added comment
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--- Comment #7 from Xavier Callejas
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User xavier@wflogistics.com added comment
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--- Comment #8 from Xavier Callejas
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User xavier@wflogistics.com added comment
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--- Comment #9 from Xavier Callejas
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User wstephenson@novell.com added comment
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Will Stephenson
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User xavier@wflogistics.com added comment
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--- Comment #11 from Xavier Callejas
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User dkukawka@novell.com added comment
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--- Comment #12 from Danny Kukawka
Danny: Seife has partly explained to me that there are
* machines that have a purely hardware implementation of brightness control, * machines that have a pure software implementation of brightness control * machines that have a hardware implementation and can be controlled in software, and that performing the software calls to change brightness on keypress may conflict with the hardwired brightness control.
All true.
He recommends that I check with you that this is correct, and, how do I establish which kind of hardware Xavier has, to confirm that it is a "KDE issue"?
If the machine handle key events in hardware: stop HAL use the keys. -> if the brightness change, you have a machine from (1) or (3) -> check if you can change the brightness via the sysfs brightness interface -> if not: no problem for KDE -> if it's possible: check if HAL hal has set: laptop_panel.brightness_in_hardware=true -> if not: it's a HAL problem -> if yes (and you have trouble with brightness): it's a KDE bug -> if the brightness don't change you, you have machine from (2) -> check if hal has laptop_panel.brightness_in_hardware=true -> if so: HAL bug -> if not: KDE bug -- Configure bugmail: https://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 xavier@wflogistics.com added comment
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--- Comment #13 from Xavier Callejas
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Lubos Lunak
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Lubos Lunak
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Lubos Lunak
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