[Unit]
Description=Raise usbfs_memory_mb for Orbbec depth cameras
After=sysinit.target
Before=multi-user.target

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/bin/sh -c 'echo 1000 > /sys/module/usbcore/parameters/usbfs_memory_mb'

[Install]
WantedBy=multi-user.target