#!/bin/sh -e start() { echo 3 > /sys/devices/platform/gpio-keys-polled.0/input/input1/poll ddgo-pnp-controller & } stop() { killall -q ddgo-pnp-controller echo 0 >"/sys/class/android_usb/android0/enable" } case "$1" in start) start ;; stop) stop ;; restart) stop start ;; *) echo "$0: Please use start, stop, or restart." exit 1 ;; esac