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Date: Fri, 6 Oct 2006 13:21:05 +0200 From: Pavel Machek <pavel@....cz> To: Oliver Neukum <oliver@...kum.org> Cc: Alan Stern <stern@...land.harvard.edu>, linux-kernel@...r.kernel.org, linux-usb-devel@...ts.sourceforge.net Subject: Re: [linux-usb-devel] error to be returned while suspended On Thu 2006-10-05 18:35:21, 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. It does not seem that API was that useful after all. > > Current thinking is that a driver will suspend its device whenever the > > device isn't in use. With usblp, that would be whenever the device file > > isn't open. See the example code in usb-skeleton.c. > > 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. I do not see how this is useful. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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