Keep track of displays and buses in init

[hackapet/Adafruit_Blinka_Displayio.git] / displayio / _i2cdisplay.py

diff --git a/displayio/_i2cdisplay.py b/displayio/_i2cdisplay.py
index 26476599fa61acc0379b3d3b27c5b54163feb86d..b5de381edced2f74620a106204a2ffa6352bdfd8 100644 (file)
--- a/displayio/_i2cdisplay.py
+++ b/displayio/_i2cdisplay.py
@@ -53,6 +53,14 @@ class I2CDisplay:
         self._i2c = i2c_bus
         self._dev_addr = device_address
 
+    def __new__(cls, *args, **kwargs):
+        from . import (  # pylint: disable=import-outside-toplevel, cyclic-import
+            allocate_display_bus,
+        )
+
+        allocate_display_bus(cls)
+        return super().__new__(cls)
+
     def _release(self):
         self.reset()
         self._i2c.deinit()
@@ -89,10 +97,9 @@ class I2CDisplay:
     def _send(
         self,
         data_type: int,
-        chip_select: int,
+        _chip_select: int,  # Chip select behavior
         data: circuitpython_typing.ReadableBuffer,
     ):
-        # pylint: disable=unused-argument
         if data_type == DISPLAY_COMMAND:
             n = len(data)
             if n > 0:
@@ -101,12 +108,12 @@ class I2CDisplay:
                     command_bytes[2 * i] = 0x80
                     command_bytes[2 * i + 1] = data[i]
 
-                self._i2c.writeto(self._dev_addr, buffer=command_bytes, stop=True)
+                self._i2c.writeto(self._dev_addr, buffer=command_bytes)
         else:
             data_bytes = bytearray(len(data) + 1)
             data_bytes[0] = 0x40
             data_bytes[1:] = data
-            self._i2c.writeto(self._dev_addr, buffer=data_bytes, stop=True)
+            self._i2c.writeto(self._dev_addr, buffer=data_bytes)
 
     def _end_transaction(self) -> None:
         """Release the bus after sending data."""