xref: /linux/Documentation/firmware_class/hotplug-script (revision c76350e7add86344beae4cd69fffdf63284a4bf5)
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