usb-restart.sh

#!/bin/bash -xe
DEV=${1-$ANDROID_SERIAL}
set +x
# http://blog.be-dama.com/2012/10/01/%E3%82%B3%E3%83%9E%E3%83%B3%E3%83%89%E3%81%A7usb%E3%83%87%E3%83%90%E3%82%A4%E3%82%B9%E3%82%92%E6%93%8D%E4%BD%9C/
for P in $( find /sys/bus/usb/devices/ )
do
	if [ -f $P/serial ]
	then
		IT_SERIAL=$( cat $P/serial )
		echo $IT_SERIAL $( cat $P/{product,manufacturer} )
		if [ x$IT_SERIAL == x$DEV ]
		then
			USBPOS=$( echo $P | cut -d/ -f6 )
			echo -n $USBPOS | dd of=/sys/bus/usb/drivers/usb/unbind || sudo chmod og+w /sys/bus/usb/drivers/usb/*bind
			sleep 1
			echo -n $USBPOS | dd of=/sys/bus/usb/drivers/usb/bind
			sleep 1
			
##exit 9
		fi
	fi
done