Re: Reset on USB-Bus at Shutdown?

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

 



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


[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux