From 3692b310a5734f223280af5b2600c331e14c3a33 Mon Sep 17 00:00:00 2001
From: Stephan Wendel <me@stephanwe.de>
Date: Fri, 8 Apr 2022 21:23:26 +0200
Subject: [PATCH] fix: fixes logging empty value if not set or available

Signed-off-by: Stephan Wendel <me@stephanwe.de>
---
 libs/v4l2_control.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/v4l2_control.sh b/libs/v4l2_control.sh
index 3e68364..f188439 100755
--- a/libs/v4l2_control.sh
+++ b/libs/v4l2_control.sh
@@ -114,7 +114,7 @@ function brokenfocus {
                 detected_broken_dev_msg
                 set_focus_absolute "${device}" "${conf_val}"
             fi
-            if [ "$(log_level)" == "debug" ]; then
+            if [ "$(log_level)" == "debug" ] && [ -n "${cur_val}" ]; then
                 debug_focus_val_msg "$(get_current_value "${device}")"
             fi
         done