From a81782176ef7f4fff8f0bbbf77a60d20ebc8a527 Mon Sep 17 00:00:00 2001
From: Dimitris Mantzouranis <d3xter93@gmail.com>
Date: Tue, 24 Oct 2023 11:34:57 +0300
Subject: [PATCH] i2c_master: fix build on i2c_fallback

---
 platforms/chibios/drivers/i2c_master.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platforms/chibios/drivers/i2c_master.c b/platforms/chibios/drivers/i2c_master.c
index ba59155ec13..c09a1d6f3df 100644
--- a/platforms/chibios/drivers/i2c_master.c
+++ b/platforms/chibios/drivers/i2c_master.c
@@ -29,6 +29,7 @@
 #include "gpio.h"
 #include "chibios_config.h"
 #include <string.h>
+#include <math.h>
 #include <ch.h>
 #include <hal.h>