1 files changed, 4 insertions, 1 deletions
diff --git a/keyboard/preonic/beeps.h b/keyboard/preonic/beeps.h
index 3e3c634ff5..378983c605 100644
--- a/keyboard/preonic/beeps.h
+++ b/keyboard/preonic/beeps.h
@@ -6,4 +6,7 @@
 void note(int x, float length);
 void beeps();
 void true_note(float x, float y, float length);
-void play_note(float freq, int length);
-\ No newline at end of file
+void play_note(double freq, int vol);
+void stop_note(double freq);
+void stop_all_notes();
+void init_notes();
+\ No newline at end of file