Messages in this thread | | | From | Oliver Neukum <> | Subject | Re: [linux-usb-devel] error to be returned while suspended | Date | Thu, 5 Oct 2006 20:43:59 +0200 |
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Am Donnerstag, 5. Oktober 2006 20:24 schrieb Alan Stern: > On Thu, 5 Oct 2006, Oliver Neukum wrote: > > > Am Donnerstag, 5. Oktober 2006 18:21 schrieb Alan Stern: > > > Currently we don't have any userspace APIs for such a daemon to use. The > > > only existing API is deprecated and will go away soon. > > > > I trust it'll be replaced. > > Yes. I think Greg wants to wait until the old API is completely gone.
I doubt it will. There's a potential need.
[..] > > In the general case the idea seems insufficient. If I close my laptop's lid > > I want all input devices suspended, whether the corresponding files are > > opened or not. In fact, if I have port level power control I might even > > want to cut power to them. > > That's a separate issue. You were talking about runtime suspend, but > closing the laptop's lid is a system suspend.
Why? If you freeze my batch jobs or make unavailable the servers running on my laptop I'd be very unhappy. But I want to make jostling a mouse or other input device safe. Thus I want them to be suspended without autoresume. We need flexibility.
[..] > P.S.: Cutting off port power is yet another issue. It isn't a suspend in > the strict sense, because it will break an existing power session.
Yes, it is an additional more complicated option.
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