From 04c8d442da56914f80f2d2d81d48914b20572c09 Mon Sep 17 00:00:00 2001
From: Gilles DOFFE <gilles.doffe@rtone.fr>
Date: Tue, 30 Jan 2024 01:32:46 +0100
Subject: [PATCH] drivers/pcf857x: fix missing include kernel_defines.h

If not included before, IS_USED macro from modules.h is undefined,
leading to such errors:
  error: missing binary operator before token "("

Signed-off-by: Gilles DOFFE <g.doffe@gmail.com>
---
 drivers/include/pcf857x.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/include/pcf857x.h b/drivers/include/pcf857x.h
index d0cd02f6e7..fcd89033ee 100644
--- a/drivers/include/pcf857x.h
+++ b/drivers/include/pcf857x.h
@@ -249,6 +249,8 @@ extern "C"
 #include <stdbool.h>
 #include <stdint.h>
 
+#include "kernel_defines.h"
+
 #include "periph/gpio.h"
 #include "periph/i2c.h"