Behaviour of push button Mute on GPIO22

[Tim Curtis]

During moOde startup the code below is executed in the script /var/www/command/util.sh

Code:

# unmute IQaudIO Pi-AMP+, Pi-DigiAMP+
if [[ $1 = "unmute-pi-ampplus" || $1 = "unmute-pi-digiampplus" ]]; then
    echo "22" >/sys/class/gpio/export
    echo "out" >/sys/class/gpio/gpio22/direction
    echo "1" >/sys/class/gpio/gpio22/value    
    exit
fi

-Tim