Am Mittwoch, 1. Juni 2005 10:37 schrieb lianwu pan:
> i read the usb error codecs in the Kernel Document
> it seems the code above is not about the urb status
> erroe.
>
> i am from china and may be my english is hard to
> understand .
> does anybody can tell me why the error come from ?
> does i need the use usb_ctrl_msg before i use the
> usb_submit_urb to submit the ISOCHRONOUS urb?
Isochronous transfers are not allowed in the default setting of an
interface, You need to change it to the setting your device expects.
There are API calls to change an interface's setting.
HTH
Oliver
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