From d45196e28dff0445d8feb5346f09e4f9a311a315 Mon Sep 17 00:00:00 2001
From: Francois Berder <18538310+francois-berder@users.noreply.github.com>
Date: Fri, 3 Apr 2020 18:48:13 +0100
Subject: [PATCH] tests: buttons: Fix build failure if BTN0_PIN is not declared

On some boards, button 0 does not exist so BTN0_PIN is not defined, but
these boards may define other buttons.

Signed-off-by: Francois Berder <18538310+francois-berder@users.noreply.github.com>
---
 tests/buttons/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/buttons/main.c b/tests/buttons/main.c
index 55a5844b8f..6a06147842 100644
--- a/tests/buttons/main.c
+++ b/tests/buttons/main.c
@@ -41,7 +41,7 @@
 #define BTN3_INT_FLANK  GPIO_FALLING
 #endif
 
-#ifdef BTN0_PIN /* assuming that first button is always BTN0 */
+#if defined (BTN0_PIN) || defined (BTN1_PIN) || defined (BTN2_PIN) || defined (BTN3_PIN)
 static void cb(void *arg)
 {
     printf("Pressed BTN%d\n", (int)arg);