On Sat, 6 Nov 2010, 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. What chipset does the computer use? What does "lspci" show? > 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? It's awfully hard to say, since none of us know exactly what Windows does! > And how can I solve this? Can you try using a 2.6.37-rc1 kernel? Alan Stern -- 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