On Sat, Nov 06, 2010 at 10:08:43PM +0100, Daniel Spannbauer wrote: > Hello, > > I use on m HTPC (Upunti Lucid Lynx, Kernel 2.6.25) a LCD-Display from > Soundgraph (http://www.soundgraph.com/oem-lcd-feature-en/). This Display is > connected to the USB-Bus to show several messages. > > When shutting down the system, the Backlight is switched of by the > software. A second before the power is switched off, the backlight goes on > again. > I tested the same Hardware under Windows XP, and there the backlight stays > off. > So, there must by a signal or a reset on the USB-Bus before switching off > the Power. > > Can anybody tell me, whats the diefference between linux and windows at > this point? Can you see if there is different USB traffic between the two different operating systems at this point in time? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
