staging: comedi: add comedi to usb interface helper

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Add inline helper function `comedi_to_usb_interface()` to get the
pointer to `struct usb_interface` associated with the comedi device.
This pointer is set by the call to `comedi_usb_auto_config()`.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Ian Abbott 2012-10-27 21:44:16 +01:00 • committed by Greg Kroah-Hartman

parent d5121914a2

commit 0a577b823d

1 changed files with 7 additions and 2 deletions

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drivers/staging/comedi/comedidev.h

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