From f763cb118dca475ed46048f234f51b2a2c934b7e Mon Sep 17 00:00:00 2001
From: Nicolas Caramelli <caramelli.devel@gmail.com>
Date: Thu, 22 Jun 2023 14:40:20 +0200
Subject: [PATCH] stm32f429i-disco: Register the BUTTON driver

---
 .../arm/stm32/stm32f429i-disco/src/stm32_bringup.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/boards/arm/stm32/stm32f429i-disco/src/stm32_bringup.c b/boards/arm/stm32/stm32f429i-disco/src/stm32_bringup.c
index 5208cd8e4a..0ff651dde5 100644
--- a/boards/arm/stm32/stm32f429i-disco/src/stm32_bringup.c
+++ b/boards/arm/stm32/stm32f429i-disco/src/stm32_bringup.c
@@ -66,6 +66,10 @@
 #include "stm32.h"
 #include "stm32f429i-disco.h"
 
+#ifdef CONFIG_INPUT_BUTTONS_LOWER
+#  include <nuttx/input/buttons.h>
+#endif
+
 #ifdef CONFIG_SENSORS_L3GD20
 #include "stm32_l3gd20.h"
 #endif
@@ -345,6 +349,16 @@ int stm32_bringup(void)
     }
 #endif
 
+#ifdef CONFIG_INPUT_BUTTONS_LOWER
+  /* Register the BUTTON driver */
+
+  ret = btn_lower_initialize("/dev/buttons");
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: btn_lower_initialize() failed: %d\n", ret);
+    }
+#endif /* CONFIG_INPUT_BUTTONS_LOWER */
+
 #ifdef CONFIG_INPUT_STMPE811
   /* Initialize the touchscreen */