Merge pull request #99 from RetiredWizard/spicsinit

Set inital SPI CS value according to parameters

Author: tannewt

Diff for: adafruit_bus_device/spi_device.py

@@ -89,7 +89,7 @@ def __init__(
         self.chip_select = chip_select
         self.cs_active_value = cs_active_value
         if self.chip_select:
-            self.chip_select.switch_to_output(value=True)
+            self.chip_select.switch_to_output(value=not self.cs_active_value)
 
     def __enter__(self) -> SPI:
         while not self.spi.try_lock():