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J. Nick Koston
8403728d4a
Move cache invalidation into CachedGpioExpander::digital_read() itself, triggered by detecting a new loop iteration via App.get_loop_component_start_time(). This eliminates the need for a dedicated loop() override in every GPIO expander component that only existed to call reset_pin_cache_(). Removes loop() from: pcf8574, pca9554, tca9555, pi4ioe5v6408, pca6416a, mcp23016, mcp23xxx_base. For sx1509, only the reset_pin_cache_() call is removed (loop() is kept for keypad scanning).
