On Tue, Feb 13, 2007 at 10:16:59AM -0200, Henrique de Moraes Holschuh wrote: > On Tue, 13 Feb 2007, Mattia Dongili wrote: > > well this is actually hardware driven, the brightness_default in > > sony-laptop only exposes a DSDT method to set this value. > > So it's actually one more feature, not a software trick :) > > I admit the attribute could be better named 'poweron_brightness'. > > ThinkPads can also do this, if we keep their CMOS up-to-date (which we do, > currently). The solution taken by ibm-acpi is to set the power-on > brightness at every brighness change, so the machine powers up in the last > state it was left in. yes, that's the same as in windows. And actually something I did think about the same to get rid of the brighness_default stuff, but I'm not really convinced it's a nice behaviour, maybe as a configurable option. Anyway, I still believe it could be nice to implement it as a general interface in the backlight subsys. Let's see if I can prepare a patch :) -- mattia :wq! - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
