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path: root/drivers/sensors/pimoroni_trackball.h
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Diffstat (limited to 'drivers/sensors/pimoroni_trackball.h')
-rw-r--r--drivers/sensors/pimoroni_trackball.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/sensors/pimoroni_trackball.h b/drivers/sensors/pimoroni_trackball.h
index 1904214a74..74ae6d7228 100644
--- a/drivers/sensors/pimoroni_trackball.h
+++ b/drivers/sensors/pimoroni_trackball.h
@@ -50,9 +50,9 @@ typedef struct {
uint8_t click;
} pimoroni_data_t;
-const pointing_device_driver_t pimoroni_trackball_pointing_device_driver;
+extern const pointing_device_driver_t pimoroni_trackball_pointing_device_driver;
-void pimoroni_trackball_device_init(void);
+bool pimoroni_trackball_device_init(void);
void pimoroni_trackball_set_rgbw(uint8_t red, uint8_t green, uint8_t blue, uint8_t white);
int16_t pimoroni_trackball_get_offsets(uint8_t negative_dir, uint8_t positive_dir, uint8_t scale);
uint16_t pimoroni_trackball_get_cpi(void);