X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka_Displayio.git/blobdiff_plain/5addeea21db64285a19902913dde42a98546625c..3640a5c3207d39d72eae23e9e0a5401eefc5b85c:/displayio/_fourwire.py?ds=sidebyside

diff --git a/displayio/_fourwire.py b/displayio/_fourwire.py
index c343e65..61be810 100644
--- a/displayio/_fourwire.py
+++ b/displayio/_fourwire.py
@@ -132,6 +132,13 @@ class FourWire:
         else:
             self._spi.write(data)
 
+    def _free(self) -> bool:
+        """Attempt to free the bus and return False if busy"""
+        if not self._spi.try_lock():
+            return False
+        self._spi.unlock()
+        return True
+
     def _begin_transaction(self) -> bool:
         """Begin the SPI transaction by locking, configuring, and setting Chip Select"""
         if not self._spi.try_lock():