Display a message if user tries to set freq on linux

[hackapet/Adafruit_Blinka.git] / src / busio.py

diff --git a/src/busio.py b/src/busio.py
index 458f5745401097cc431e2b48660eafead3452427..e3770a475fefea7da508c5056cfc602c414ff1c9 100644 (file)
--- a/src/busio.py
+++ b/src/busio.py
@@ -29,6 +29,8 @@ class I2C(Lockable):
     """
     Busio I2C Class for CircuitPython Compatibility. Used
     for both MicroPython and Linux.
+
+    NOTE: Frequency has no effect on Linux systems. The argument is only there for compatibility.
     """
 
     def __init__(self, scl, sda, frequency=100000):
@@ -323,7 +325,9 @@ class SPI(Lockable):
             self._pins = (clock, clock, clock)  # will determine MOSI/MISO from clock
             return
         if detector.board.kb2040_u2if:
-            from adafruit_blinka.microcontroller.rp2040_u2if.spi import SPI_KB2040 as _SPI
+            from adafruit_blinka.microcontroller.rp2040_u2if.spi import (
+                SPI_KB2040 as _SPI,
+            )
 
             self._spi = _SPI(clock)  # this is really all that's needed
             self._pins = (clock, clock, clock)  # will determine MOSI/MISO from clock