#!/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