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-rw-r--r--include/motion_sense.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/motion_sense.h b/include/motion_sense.h
index 553cf0ca7e..478468022e 100644
--- a/include/motion_sense.h
+++ b/include/motion_sense.h
@@ -157,7 +157,11 @@ struct motion_sensor_t {
/* Defined at board level. */
extern struct motion_sensor_t motion_sensors[];
+#ifdef CONFIG_DYNAMIC_MOTION_SENSOR_COUNT
+extern unsigned motion_sensor_count;
+#else
extern const unsigned motion_sensor_count;
+#endif
#if (!defined HAS_TASK_ALS) && (defined CONFIG_ALS)
/* Needed if reading ALS via LPC is needed */
extern const struct motion_sensor_t *motion_als_sensors[];