xref: /linux/Documentation/firmware_class/hotplug-script (revision 7aacf86b75bc5523d20fd9127104384fce51ce9c)
1#!/bin/sh
2
3# Simple hotplug script sample:
4#
5# Both $DEVPATH and $FIRMWARE are already provided in the environment.
6
7HOTPLUG_FW_DIR=/usr/lib/hotplug/firmware/
8
9if [ "$SUBSYSTEM" == "firmware" -a "$ACTION" == "add" ]; then
10  if [ -f $HOTPLUG_FW_DIR/$FIRMWARE ]; then
11    echo 1 > /sys/$DEVPATH/loading
12    cat $HOTPLUG_FW_DIR/$FIRMWARE > /sys/$DEVPATH/data
13    echo 0 > /sys/$DEVPATH/loading
14  else
15    echo -1 > /sys/$DEVPATH/loading
16  fi
17fi
18