Surface Go ChromeOS touchscreen fix - on-wake script and upstart daemon config

surfacego-touchscreen

#!/bin/bash
# copy to /usr/sbin

interface=org.chromium.PowerManager
member=SetPolicy

# Run once just to be sure
echo "Surface Go fix daemon start..." > /dev/kmsg
echo "on" > /sys/devices/pci0000:00/0000:00:15.1/i2c_designware.1/power/control

# And run every time the system enters and returns from suspend
dbus-monitor --system "interface='$interface', member='$member'" |
while read update; do
    if [[ "$update" =~ "$member" ]]; then
        echo "Power policy updated... Fixing touchscreen." > /dev/kmsg
        echo "on" > /sys/devices/pci0000:00/0000:00:15.1/i2c_designware.1/power/control
    fi
done

surfacego-touchscreen.conf

# copy to /etc/init/
description   "Surface Go touchscreen daemon"
author        "Max Thomas [email protected]"

start on started powerd
stop on stopping powerd
expect fork
respawn
respawn limit 3 10  # if the job respawns 3 times in 10 seconds, stop trying.

env VMODULE_ARG=
env UPSTART_RUN=1

exec /usr/sbin/surfacego-touchscreen &