linux/Documentation/firmware_class/hotplug-script
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   1#!/bin/sh
   2
   3# Simple hotplug script sample:
   4# 
   5# Both $DEVPATH and $FIRMWARE are already provided in the environment.
   6
   7HOTPLUG_FW_DIR=/usr/lib/hotplug/firmware/
   8
   9if [ "$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