#!/bin/sh | |
# SUBSYSTEM, ACTION, DEVPATH, and FIRMWARE are all provided by the kernel | |
# when this script is started. | |
HOTPLUG_FW_DIR=/lib/firmware | |
exec >/dev/kmsg 2>&1 | |
if [ "$SUBSYSTEM" = "firmware" -a "$ACTION" = "add" ]; then | |
echo "hotplug: sys=$SUBSYSTEM act=$ACTION fw=$FIRMWARE dev=$DEVPATH" | |
if [ -f "$HOTPLUG_FW_DIR/$FIRMWARE" ]; then | |
echo 1 >/sys/$DEVPATH/loading | |
cat "$HOTPLUG_FW_DIR/$FIRMWARE" >/sys/$DEVPATH/data | |
echo 0 >/sys/$DEVPATH/loading | |
else | |
echo -1 >/sys/$DEVPATH/loading | |
fi | |
fi |