#!/bin/bash
# Wait for udev to pin C920 nodes after boot. Never fail the unit:
# discovery can still run with whatever is present.
set -u
udevadm settle -t 20 || true
udevadm trigger --subsystem-match=video4linux --action=add || true
udevadm trigger --subsystem-match=sound --action=add || true
for _ in $(seq 1 45); do
  n=$(ls -1 /dev/cam[0-9][0-9] 2>/dev/null | wc -l)
  if [ "$n" -ge 1 ]; then
    echo "wait-for-cameras: $n pinned /dev/camNN nodes"
    exit 0
  fi
  sleep 1
done
echo "wait-for-cameras: none yet; starting anyway" >&2
exit 0