Add bluetooth notes for stargate

machines/stargate.md

@@ -0,0 +1,18 @@
+Prevent disconnection of usb devices.
+[Documentation](https://ubuntuforums.org/showthread.php?t=2159645&page=6&p=12926730#post12926730)
+
+/etc/rc.local:
+
+```
+# Prevents the Bluetooth USB card from getting reset which disconnects the mouse
+BTUSB_DEV="0a5c:21e8"
+BTUSB_BINDING="$(lsusb -d "$BTUSB_DEV" |
+    cut -f 1 -d : |
+    sed -e 's,Bus ,,' -e 's, Device ,/,' |
+    xargs -I {} udevadm info -q path -n /dev/bus/usb/{} |
+    xargs basename)"
+
+
+echo "Disabling autosuspend for Bluetooth USB Soundcard: $BTUSB_BINDING..."
+echo -1 > "/sys/bus/usb/devices/$BTUSB_BINDING/power/autosuspend_delay_ms"
+```