linux/Documentation/firmware_class/hotplug-script
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   1#!/bin/sh
   2
   3# Simple hotplug script sample:
   4# 
   5# Both $DEVPATH and $FIRMWARE are already provided in the environment.
   6
   7HOTPLUG_FW_DIR=/usr/lib/hotplug/firmware/
   8
   9echo 1 > /sys/$DEVPATH/loading
  10cat $HOTPLUG_FW_DIR/$FIRMWARE > /sys/$DEVPATH/data
  11echo 0 > /sys/$DEVPATH/loading
  12
  13# To cancel the load in case of error:
  14#
  15#       echo -1 > /sys/$DEVPATH/loading
  16#
  17