mirko/gpio-toggling---linux-kernel-module — pull request #1 by datacompboy (2012-08-13 13:53:54+00:00)
Title: Add pin_on and pin_off

So now its possible to enable special pin.
Also, much easier to scan using bash rather "echo 1 > fire".

Have used this way scanning & checking is new USB device visible:
for a in `seq 160 176`; do echo $a > /sys/gpiotoggling/pin_on; sleep 1; echo -n $a - ; lsusb | wc -l; done