#!/bin/bash

set -e

function usage()
{
    echo "Usage $0 DEVICE"
    echo "DEVICE - USB VID:PID e.g. 0d8c:0102"
    exit 1
}

[[ -z "$1" ]] && usage

LSUSB_OUT=$(lsusb -d $1)
if [[ $? != 0 ]]
then
    echo "Device with VID/PID $1 was not found"
    exit 1
fi

BUS_PATH=$(sed -E 's!Bus ([0-9]{3}) Device ([0-9]{3}).*!/dev/bus/usb/\1/\2!' <<<"$LSUSB_OUT")
if [[ -z "$BUS_PATH" ]]
then
    echo "Could not figure out devname for VID/PID $1"
    exit 1
fi

usbreset "$BUS_PATH" 2>&1