instead of repeated event checks and back off wait, just use one long wait for usb events method. fixes https://github.com/gphoto/libgphoto2/issues/143
instead of repeated event checks and back off wait,
just use one long wait for usb events method.
fixes https://github.com/gphoto/libgphoto2/issues/143

gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2