Re: [linux-usb-devel] error to be returned while suspended

Oliver Neukum
2006-10-05T16:34:44Z

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.

> 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.

Regards
Oliver