From 50fd1f1004f4a9f12ac1d41551a52ab7cd19aaf9 Mon Sep 17 00:00:00 2001
From: Stefan Rupp <struppi@struppi.name>
Date: Wed, 19 Mar 2014 03:51:25 +0100
Subject: [PATCH] lcd_locate is useless, if not initialized

---
 lcd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lcd.c b/lcd.c
index e1341ce..ce65e92 100644
--- a/lcd.c
+++ b/lcd.c
@@ -245,6 +245,10 @@ void lcd_clear(void)
 
 void lcd_locate(uint8_t row, uint8_t col)
 {
+	if (!lcd_initialized) {
+		return;
+	}
+
   if (row)
     col += 0x40;
   lcd_send_byte(0x80 + col, 0);