micro SVC (Subsea Vision Computer)

cmdline_path=""
for candidate in /boot/firmware/cmdline.txt /boot/cmdline.txt; do
    if [ -f "$candidate" ]; then
        cmdline_path="$candidate"
        break
    fi
done

if [ -z "$cmdline_path" ]; then
    echo "Warning: cmdline.txt not found in /boot/firmware or /boot, skipping USB quirks configuration."
else
    # Idempotent: only append if the quirk isn't already there
    if ! grep -q 'usbcore.quirks=0bda:8152:k' "$cmdline_path"; then
        sudo sed -i -e 's/$/ usbcore.autosuspend=-1 usbcore.quirks=0bda:8152:k/' "$cmdline_path"
        echo "USB quirks added to $cmdline_path"
    else
        echo "USB quirks already present in $cmdline_path, skipping."
    fi
fi

sudo reboot

for d in /sys/bus/usb/devices/*/; do
  vid=$(cat "$d/idVendor" 2>/dev/null)
  pid=$(cat "$d/idProduct" 2>/dev/null)
  [ "$vid:$pid" = "0bda:8152" ] && echo "$d" && cat "$d/quirks"
done