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Date: Fri, 3 Aug 2007 11:48:38 -0400
From: Dave Jones <davej@redhat.com>
To: Jiri Kosina <jikos@jikos.cz>
Cc: Adam Kropelin <akropel1@rochester.rr.com>,
       Matthew Garrett <mjg59@srcf.ucam.org>,
       Oliver Neukum <oliver@neukum.org>, Rogan Dawes <lists@dawes.za.net>,
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       David Brownell <david-b@pacbell.net>,
       Alan Stern <stern@rowland.harvard.edu>,
       linux-usb-devel@lists.sourceforge.net
Subject: Re: [linux-usb-devel] [PATCH] USB: Only enable autosuspend by
	default on certain device classes
Message-ID: <20070803154838.GH21379@redhat.com>
Mail-Followup-To: Dave Jones <davej@redhat.com>,
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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..

Bus 001 Device 004: ID 051d:0002 American Power Conversion Back-UPS Pro 500/1000/1500
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x051d American Power Conversion
  idProduct          0x0002 Back-UPS Pro 500/1000/1500
  bcdDevice            1.06
  iManufacturer           3 APC
  iProduct                1 Back-UPS ES 500 FW:801.e6.D USB FW:e6
  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
    MaxPower                0mA

...

	Dave


-- 
http://www.codemonkey.org.uk
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