Re: Device Enumeration Failure

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On Thu, 17 May 2012, Anil Nair wrote:

> On Thu, May 17, 2012 at 7:54 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> > No. �If your guess was right then no full/low-speed device would work
> > on that laptop, whereas obviously they do. �For example, the mouse
> > wheel was detected normally.
> >
> > The Windows screenshot showed that the touchscreen was plugged into a
> > hub, and the port status data from that hub under Linux showed the port
> > was not getting a connect signal (no D+ pullup).
> 
> Sir, Why this difference from Windows to Linux?. I was in the belief
> that most of the devices work under Linux.

I don't know.

> Are you saying that some form of system call is required to connect
> the device to the USB Bus? In Windows the Device is connected to the
> USB Bus; Then why this difference in working? Does the touchscreen
> controller has to do anything in this? Or the USB Bus?  Sorry for the
> misunderstanding earlier.......:).

If I knew the reason why it's not working, I would tell Gerhard how to
fix it.

Alan Stern

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