Re: So, what's the status on the recent patches here?

Pavel Machek
2006-08-25T22:03:20Z

Hi!

> > Are there some patches to test? I'd like to power down USB bus, even
> > when it has device connected (I do not user fingerprint scanner that
> > much).
>
> There are some old patches. I could update them to the current -mm kernel
> and post them next week.

Yes, that would be great.

> The idea of the patches is that they will autosuspend a USB hub when it
> has no active (i.e., unsuspended) children, and autosuspending a root hub
> stops the USB controller from doing DMA. However, non-hub devices are not
> yet automatically suspended, so you will have to suspend the fingerprint
> scanner by hand.

That is okay, I can do that. It saves 2 hours of battery life on my
machine...
Pavel
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