Re: [linux-usb-devel] [PATCH] USB: Only enable autosuspend by default on certain device classes

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Aug 03, 2007 at 04:43:16PM +0200, Jiri Kosina wrote:
 > On Fri, 3 Aug 2007, Matthew Garrett wrote:
 > 
 > > Windows will autosuspend hubs, bluetooth devices, HID devices
 > 
 > Hi Matthew,
 > 
 > are you sure about windows suspending the HID devices in runtime? I have 
 > never seen LEDs of USB keyboard connected to windows host to go off after 
 > some time of not using it.

Not so sure about keyboards, but I've seen the LEDs on USB mice dim or go off
after a few seconds of inactivity under Windows, but under Linux they stay on.

 > We have been playing with runtime autosuspend of HID devices, are 
 > currently postponed the full support, as it turns out that many devices 
 > don't support this feature properly (probably due to not being tested in 
 > Windows).

Interesting.  Which devices did you notice failing?
Was it a case that they would sleep and not come back out of that state?

	Dave

-- 
http://www.codemonkey.org.uk
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux