Re: usbserial driving multiple devices

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On Fri, May 20, 2011 at 09:18:32AM +0200, azimout@xxxxxxxxx wrote:
> On 19 May 2011 15:26, Greg KH <greg@xxxxxxxxx> wrote:
> > On Thu, May 19, 2011 at 03:17:19PM +0200, azimout@xxxxxxxxx wrote:
> >> On 19 May 2011 14:48, Greg KH <greg@xxxxxxxxx> wrote:
> >> > On Thu, May 19, 2011 at 11:55:35AM +0200, azimout@xxxxxxxxx wrote:
> >> >> Hi list, I tried the following without success (usbserial.ko is already loaded):
> >> >> echo -n "1a46 0000" | sudo tee /sys/bus/usb-serial/drivers/generic/new_id
> >> >>
> >> >> No /dev/ttyUSB[09] is created, and I can confirm that the device is
> >> >> not bound to the module
> >> >> (I see this from /sys/bus/usb/drivers/usbserial)
> >> >>
> >> >> Any hints?
> >> >
> >> > Did you plug in your device after adding the id to it, or before?  Try
> >> > after.
> >> >
> >> > thanks,
> >> >
> >> > greg k-h
> >> >
> >>
> >> Yes, I tried both before and after. Any other ideas?
> >
> > echo -n "0x1a46 0x0000"
> >
> >
> 
> Nope, nothing.
> 
> Once more, this works:
> sudo modprobe usbserial vendor=0x1a46 product=0x0000
> 
> But this doesn't:
> sudo modprobe usbserial
> echo -n "0x1a46 0x0000" | sudo tee /sys/bus/usb-serial/drivers/generic/new_id

Very wierd, I don't know what to suggest at the moment, sorry.  I'll try
to debug this next week when I get a chance.

greg k-h
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