From 38c6a7fee6fdd657bffcc7b421036e5b423e47fd Mon Sep 17 00:00:00 2001
From: Silvano Seva <silseva@fastwebnet.it>
Date: Wed, 10 Nov 2021 19:29:34 +0100
Subject: [PATCH] Fixed bug in MD3x keyboard driver causing the generation of
 an UP keypress at boot (#48)

---
 platform/drivers/keyboard/keyboard_MD3x.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/platform/drivers/keyboard/keyboard_MD3x.c b/platform/drivers/keyboard/keyboard_MD3x.c
index c8539c28..a7ee8390 100644
--- a/platform/drivers/keyboard/keyboard_MD3x.c
+++ b/platform/drivers/keyboard/keyboard_MD3x.c
@@ -26,6 +26,8 @@
 #include <interfaces/platform.h>
 #include "hwconfig.h"
 
+static int8_t old_pos = 0;
+
 void kbd_init()
 {
     /* Set the two row lines as outputs */
@@ -35,6 +37,9 @@ void kbd_init()
     gpio_clearPin(KB_ROW1);
     gpio_clearPin(KB_ROW2);
     gpio_clearPin(KB_ROW3);
+
+    /* Initialise old position */
+    old_pos = platform_getChSelector();
 }
 
 void kbd_terminate()
@@ -53,7 +58,6 @@ keyboard_t kbd_getKeys()
     keyboard_t keys = 0;
 
     /* Read channel knob to send KNOB_LEFT and KNOB_RIGHT events */
-    static int8_t old_pos = 0;
     int8_t new_pos = platform_getChSelector();
     if (old_pos != new_pos)
     {