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#!/bin/sh
# check if any interface of this device is a PTP camera interface (06)
INTERFACE="${1:-06/01/01}"
BASENAME=${PHYSDEVPATH##*/}
for d in /sys/${PHYSDEVPATH}/${BASENAME}:*; do
[[ -d ${d} ]] || continue
INTERFACEID="$(< ${d}/bInterfaceClass)"
INTERFACEID="${INTERFACEID}/$(< ${d}/bInterfaceSubClass)"
INTERFACEID="${INTERFACEID}/$(< ${d}/bInterfaceProtocol)"
#echo ${d}: ${INTERFACEID}
if [[ ${INTERFACE} == ${INTERFACEID} ]]; then
# Found interface
exit 0
fi
done
exit 1
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