[libhid-discuss] Cannot claim interface 0

Mark S. Townsley mstownsley at gmail.com
Thu Sep 28 18:51:42 UTC 2006


Hi:

I am using hid_interrupt_write() and hid_interrupt_read() to talk to my HID
device.  But both calls come back with an error saying:

  "could not claim interface 0: Device or resource busy".

But my hid_force_open() issues earlier in the same code (and remains open)
was successful.
Shouldn't hid_force_open() already claim the required interface so
interrupt_write/read can use
the claimed interface?

Or am I missing a step in between open and write/read  so that interface can
be used?

thanks


Mark
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