libopencm3/libopencm3 — pull request #335 by fjullien (2014-07-11 13:26:18+00:00)
Title: Allow more than one usbd_register_set_config_callback

In a composite device if one want to separate code
for each interface, usbd_register_set_config_callback
can now register more than one callback.

Signed-off-by: Franck Jullien