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Text File  |  2012-02-24  |  1.6 KB  |  84 lines
  1. #!/bin/sh
  2. # part of usb_modeswitch 1.2.3
  3. device_in()
  4. {
  5.     if [ ! -e /var/lib/usb_modeswitch/$1 ]; then
  6.         return 0
  7.     fi
  8.     while read line
  9.     do
  10.         if [ $(expr "$line" : "$2:$3") != 0 ]; then
  11.             return 1
  12.         fi
  13.     done </var/lib/usb_modeswitch/$1
  14.     if [ $(expr "$line" : "$2:$3") != 0 ]; then
  15.         return 1
  16.     fi
  17.     return 0
  18. }
  19.  
  20. if [ $(expr "$1" : "--.*") ]; then
  21.     p_id=$4
  22.     if [ -z $p_id ]; then
  23.         prod=$5
  24.         if [ -z $prod ]; then
  25.             prod=$3
  26.         fi
  27.         prod=${prod%/*}
  28.         v_id=0x${prod%/*}
  29.         p_id=0x${prod#*/}
  30.         if [ "$v_id" = "0x" ]; then
  31.             v_id="0"
  32.             p_id="0"
  33.         fi
  34.         v_id="$(printf %04x $(($v_id)))"
  35.         p_id="$(printf %04x $(($p_id)))"
  36.     else
  37.         v_id=$3
  38.     fi
  39. fi
  40. PATH=/sbin:/usr/sbin:$PATH
  41. case "$1" in
  42.     --driver-bind)
  43.         (
  44.         dir=$(ls -d /sys$2/ttyUSB* 2>/dev/null)
  45.         sleep 1
  46.         if [ ! -z "$dir" ]; then
  47.             exit 0
  48.         fi
  49.         set +e
  50.         device_in "bind_list" $v_id $p_id
  51.         if [ "$?" = "1" ]; then
  52.             id_attr="/sys/bus/usb-serial/drivers/option1/new_id"
  53.             if [ ! -e "$id_attr" ]; then
  54.                 modprobe option 2>/dev/null || true
  55.             fi
  56.             if [ -e "$id_attr" ]; then
  57.                 echo "$v_id $p_id ff" > $id_attr
  58.             else
  59.                 modprobe -r usbserial
  60.                 modprobe usbserial "vendor=0x$v_id" "product=0x$p_id"
  61.             fi
  62.         fi
  63.         ) &
  64.         exit 0
  65.         ;;
  66.     --symlink-name)
  67.         device_in "link_list" $v_id $p_id
  68.         if [ "$?" = "1" ]; then
  69.             . /lib/udev/hotplug.functions
  70.             wait_for_file /usr/sbin/usb_modeswitch_dispatcher
  71.             exec usb_modeswitch_dispatcher $1 $2 2>>/dev/null
  72.         fi
  73.         exit 0
  74.         ;;
  75. esac
  76. exec 1<&- 2<&- 5<&- 7<&-
  77. (
  78.     . /lib/udev/hotplug.functions
  79.     wait_for_file /usr/sbin/usb_modeswitch_dispatcher
  80.     exec usb_modeswitch_dispatcher --switch-mode $1 $0 &
  81.     exit 0
  82. ) &
  83. exit 0
  84.