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|
#!/bin/bash
#
# usb2sys - find lsusb device in /sys file system
#
# https://superuser.com/a/1253083
#
die()
{
echo "$@"
exit 1
}
[[ $# -lt 1 ]] && die "need vendor and product ids (from lsusb) as dddd:dddd"
vendor=${1%:*}
product=${1##*:}
sys=/sys/bus/usb/devices/
cd $sys
for d in *; do
path=$sys/$d
if [ -f $path/idProduct ]; then
prod=$( cat $path/idProduct )
vend=$( cat $path/idVendor )
if [ $prod = $product -a $vend = $vendor ]; then
echo prod = $prod
echo vend = $vend
echo /sys device is $path
cat $path/power/wakeup
echo ""
fi
fi
done
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