Use a service locator instead of passing around subsets of drivers between FSMs

1 files changed, 3 insertions, 3 deletions

diff --git a/src/drivers/include/display.hpp b/src/drivers/include/display.hpp
index 77165c99..766fc4ea 100644
--- a/src/drivers/include/display.hpp
+++ b/src/drivers/include/display.hpp
@@ -30,10 +30,10 @@ class Display {
    * over SPI. This never fails, since unfortunately these display don't give
    * us back any kind of signal to tell us we're actually using them correctly.
    */
-  static auto Create(IGpios* expander,
+  static auto Create(IGpios& expander,
                      const displays::InitialisationData& init_data) -> Display*;
 
-  Display(IGpios* gpio, spi_device_handle_t handle);
+  Display(IGpios& gpio, spi_device_handle_t handle);
   ~Display();
 
   auto SetDisplayOn(bool) -> void;
@@ -49,7 +49,7 @@ class Display {
   Display& operator=(const Display&) = delete;
 
  private:
-  IGpios* gpio_;
+  IGpios& gpio_;
   spi_device_handle_t handle_;
 
   std::unique_ptr<tasks::Worker> worker_task_;