Re: Disable autosuspend for scanners/printers
Greg KH <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Thu, Aug 09, 2007 at 03:23:11PM -0400, Alan Stern wrote: > Oliver and Pete: > > Is it possible to replace all those USB_QUIRK_NO_AUTOSUSPEND entries > for scanners with a single class-wide entry? > > What about printers? My printer suspends just fine, so I don't want to do that for all printers, if possible. Not that my desktop power consumption really matters that much though... > If these devices really can't handle being suspended then it has to be > prevented within the kernel; we can't rely on udev or other userspace > programs to take care of it. But we could allow udev to enable > autosuspend for known-good devices in these classes. There's no way we could ever get a list of all good or all bad printers, so no matter what we do, we'd miss some :( thanks, greg k-h ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel