Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763269AbXHCQ5j (ORCPT ); Fri, 3 Aug 2007 12:57:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757758AbXHCQ5c (ORCPT ); Fri, 3 Aug 2007 12:57:32 -0400 Received: from ms-smtp-01.nyroc.rr.com ([24.24.2.55]:37975 "EHLO ms-smtp-01.nyroc.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755805AbXHCQ5b (ORCPT ); Fri, 3 Aug 2007 12:57:31 -0400 Message-ID: <039701c7d5ef$17c90ae0$03c8a8c0@kroptech.com> From: "Adam Kropelin" To: "Dave Jones" , "Jiri Kosina" Cc: "Matthew Garrett" , "Oliver Neukum" , "Rogan Dawes" , "Greg KH" , , "David Brownell" , "Alan Stern" , References: <20070803140909.GA19245@srcf.ucam.org> <20070803143338.GA19713@srcf.ucam.org> <20070803145321.GB17138@redhat.com> <036a01c7d5e2$80add6b0$03c8a8c0@kroptech.com> <20070803154838.GH21379@redhat.com> Subject: Re: [linux-usb-devel] [PATCH] USB: Only enable autosuspend by default on certain device classes Date: Fri, 3 Aug 2007 12:55:27 -0400 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1860 Lines: 51 Dave Jones wrote: > On Fri, Aug 03, 2007 at 05:31:52PM +0200, Jiri Kosina wrote: > >>> Plus if you're connected to such a device for monitoring purposes >>> you're probably powered by it as well, so you have little to gain >>> from suspend even if it works. >> >> I currently don't have any HID UPS by hand to verify, but I'd be >> surprised if they would advertise remote wakeup capability ... ? > > Looks like mine does.. > [...] > idVendor 0x051d American Power Conversion > idProduct 0x0002 Back-UPS Pro 500/1000/1500 *notes to self to send pci.ids patch again* > bcdDevice 1.06 > iManufacturer 3 APC > iProduct 1 Back-UPS ES 500 FW:801.e6.D USB FW:e6 Yup, I have one of those in my arsenal and see the same thing. > iSerial 2 AB0530291763 > bNumConfigurations 1 > Configuration Descriptor: > bLength 9 > bDescriptorType 2 > wTotalLength 34 > bNumInterfaces 1 > bConfigurationValue 1 > iConfiguration 0 > bmAttributes 0xe0 > Self Powered > Remote Wakeup I have reports of APC UPS remote wakeup working properly on "recent" PowerMac G5s running OS X, but was never able to duplicate that success on my cruddy old G3. I never figured out if it was a deficiency of the UPS, the G3, or the OS. So it is possible that with appropriate OS support this feature may actually work on certain UPSes (APC has a habit of messing up the firmware differently on each model, so it's likely hit-or-miss, but they are improving). --Adam - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/