pmaports/main/postmarketos-base/rootfs-usr-lib-firmwareload.sh

#!/bin/sh

FIRMWARE_DIRS="/lib/firmware /lib/firmware/postmarketos"

exec >>/var/log/firmwareload.log 2>&1

if [ ! -e "/sys/$DEVPATH/loading" ]; then
	echo "firmware loader misses sysfs directory"
	exit 1
fi

for DIR in $FIRMWARE_DIRS; do
	[ -e "$DIR/$FIRMWARE" ] || continue
	echo "loading $DIR/$FIRMWARE"
	echo 1 > "/sys/$DEVPATH/loading"
	cat "$DIR/$FIRMWARE" > "/sys/$DEVPATH/data"
	echo 0 > "/sys/$DEVPATH/loading"
	exit 0
done

# shellcheck disable=SC2039
echo -1 > "/sys/$DEVPATH/loading"
echo "cannot find firmware file '$FIRMWARE'"
exit 1