From 20ed6a8b585a92e8a0e7d8333e81b6e8ca7044e1 Mon Sep 17 00:00:00 2001
From: Stephan Wendel <me@stephanwe.de>
Date: Fri, 24 Feb 2023 17:47:58 +0100
Subject: [PATCH] chore: add error message if v4l2-ctl errors out

Signed-off-by: Stephan Wendel <me@stephanwe.de>
---
 libs/v4l2_control.sh | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libs/v4l2_control.sh b/libs/v4l2_control.sh
index ab09d1b9..b5e9cd87 100755
--- a/libs/v4l2_control.sh
+++ b/libs/v4l2_control.sh
@@ -44,10 +44,11 @@ function v4l2_control {
                     valueless="$(echo "${param}" | cut -d "=" -f1)"
                     opt_avail="$(v4l2-ctl -d "${device}" -L | \
                     grep -c "${valueless}" || true)"
-                    if [ "${opt_avail}" -eq "0" ]; then
-                        log_msg "Parameter '${param}' not available for '${device}'. Skipped."
+                    if [[ "${opt_avail}" -eq "0" ]]; then
+                        v4c_log_msg "Parameter '${param}' not available for '${device}'. Skipped."
                     else
-                        v4l2-ctl -d "${device}" -c "${param}" 2> /dev/null
+                        v4l2-ctl -d "${device}" -c "${param}" 2> /dev/null ||
+                        v4c_log_msg "Failed to set parameter: '${param}' ..."
                     fi
                 done
                     if [[ "${CROWSNEST_LOG_LEVEL}" == "debug" ]]; then