planck/rev7: Fix build without AUDIO_ENABLE (qmk#21408)

SpaceRockMedia · Dec 6, 2023 · 74843c5 · 74843c5
1 parent f89698c
commit 74843c5
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/keyboards/planck/rev7/matrix.c b/keyboards/planck/rev7/matrix.c
@@ -19,6 +19,7 @@
 #include "hal_pal.h"
 #include "hal_pal_lld.h"
 #include "quantum.h"
+#include <math.h>
 
 // STM32-specific watchdog config calculations
 // timeout = 31.25us * PR * (RL + 1)