From ecc31a594c9f467d8b6eb5f0f94d9f749b862519 Mon Sep 17 00:00:00 2001
From: Andrei Gherzan <andrei@gherzan.com>
Date: Sat, 13 Nov 2021 23:47:57 +0000
Subject: rpi-config: Take into consideration ENABLE_UART value of 0

Also, validate if the value of it is not 0 or 1.

Fixes: https://github.com/agherzan/meta-raspberrypi/issues/567

Signed-off-by: Andrei Gherzan <andrei@gherzan.com>
---
 recipes-bsp/bootfiles/rpi-config_git.bb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/recipes-bsp/bootfiles/rpi-config_git.bb b/recipes-bsp/bootfiles/rpi-config_git.bb
index 13a0714..fe18884 100644
--- a/recipes-bsp/bootfiles/rpi-config_git.bb
+++ b/recipes-bsp/bootfiles/rpi-config_git.bb
@@ -174,9 +174,11 @@ do_deploy() {
     fi
 
     # UART support
-    if [ "${ENABLE_UART}" = "1" ]; then
+    if [ "${ENABLE_UART}" = "1" ] || [ "${ENABLE_UART}" = "0" ] ; then
         echo "# Enable UART" >>$CONFIG
-        echo "enable_uart=1" >>$CONFIG
+        echo "enable_uart=${ENABLE_UART}" >>$CONFIG
+    else
+        bbfatal "Invalid value for ENABLE_UART [${ENABLE_UART}]. The value for ENABLE_UART can be 0 or 1."
     fi
 
     # Infrared support
-- 
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