I have used the external hub now, and the hub use external power. The error still in the same.
2009/12/19 Laurent Pinchart <laurent.pinch...@ideasonboard.com> > On Saturday 19 December 2009 06:40:40 Brian Pin wrote: > > In this case I think you can't blame UVC, because it is shown your USB > host > > controller can not get descriptor successfully, let alone to let UVC > driver > > bind the device. So I think you should first check the device. See if its > > working anywhere. Or check the roothub of the port, maybe it has > something > > wrong on it. > > Try to add an external hub, the device might require more power than the > OMAP > board can provide. > > > In anycase, it has nothing to do with UVC module because the host > > controller driver doesn't even have a chance to bring up the UVC driver. > > -- > Regards, > > Laurent Pinchart >
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