https://bugzilla.kernel.org/show_bug.cgi?id=36322
--- Comment #15 from Joern Heissler <kernelb...@joern.heissler.de> 2011-06-03 09:53:42 --- (In reply to comment #13) > Could you please also try acpi_osi="!Windows 2009"? maybe it also work like > acpi_osi="Linux"? acpi_osi="!Windows 2009" will cause OSYS==0x7D6, with acpi_osi="Linux": ACPI: Added _OSI(Linux) [Firmware Bug]: ACPI: BIOS _OSI(Linux) query honored via cmdline but OSYS==0x7d) is still set. Brightness control does not work with either command line option. (In reply to comment #14) > I still want to know what _REAL_ way acer doing in Windows7, then we need find > a way to do the same thing with Windows7. > I don't thing they direct access BRXP in their driver, it's very dirty. Maybe the intel video driver handels the acpi notification and then calls the AINT method? I don't have windows available to confirm this (or any other theory). Even if I had, how would I reverse engineer it? -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. ------------------------------------------------------------------------------ Simplify data backup and recovery for your virtual environment with vRanger. Installation's a snap, and flexible recovery options mean your data is safe, secure and there when you need it. Discover what all the cheering's about. Get your free trial download today. http://p.sf.net/sfu/quest-dev2dev2 _______________________________________________ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla