#!/bin/sh devices="1c2ac00.i2c 1c2b000.i2c" pins="8 9 28 30" driver_path="/sys/bus/platform/drivers/mv64xxx_i2c" driver_unbind() { echo -n "$1" > "$driver_path/unbind" } driver_bind() { echo -n "$1" > "$driver_path/bind" } for dev in $devices; do driver_unbind "$dev"; done echo "unbind done" for pin in pins; do gpio mode $pin out gpio write $pin 0 done echo "gpio reset done" for dev in $devices; do driver_bind "$dev"; done echo "bind done"