20 lines
407 B
Bash
20 lines
407 B
Bash
#!/bin/sh
|
|
set -e
|
|
|
|
case "$1" in
|
|
start)
|
|
echo "Enabling audio..."
|
|
if ! [ -d /sys/class/gpio/gpio144 ] ; then
|
|
echo 144 > /sys/class/gpio/export
|
|
echo out > /sys/class/gpio/gpio144/direction
|
|
fi
|
|
echo 1 > /sys/class/gpio/gpio144/value
|
|
;;
|
|
stop)
|
|
;;
|
|
*)
|
|
echo "Usage: $0 {start|stop}" >&2
|
|
exit 1
|
|
;;
|
|
esac
|