Re: Sysfs, PCI-devices and power management

From: Pavel Machek
Date: Tue Mar 01 2005 - 08:50:48 EST




> I don't know if this is the "right place(TM)" to ask about this, and if
> it isn't, I apologize. But the fact is that I haven't found any help
> from anywhere else and I can't learn enough without asking. So, the
> situation is like this: I am using a laptop and want to minimize the
> power consumption by shutting down unneeded components. Under windozer a
> program called Battery Doubler does the same by for example shutting
> down not-needed PCI devices. I too, tried to shut down certain devices
> by doing "echo 3 > /sys/devices/pci*/*0a*/power/state", but that didn't
> work. state was still a zero. So, I then
This is called runtime power managment; it still needs to be implemented.
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