From 2a4fbd9c77459c408c0ce2fe0eb06a3c11058779 Mon Sep 17 00:00:00 2001
From: Stephan Wendel <me@stephanwe.de>
Date: Sat, 15 Apr 2023 14:20:28 +0200
Subject: [PATCH] fix: fix raspicam detection

if `start_x=1` is not set,
it messes up output of `vcgencmd get_camera`.

Which leads to not detected libcamera csi cams,
even if they are detected correctly

Therefor using libcamera-hello to determine if available

Signed-off-by: Stephan Wendel <me@stephanwe.de>
---
 libs/hwhandler.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libs/hwhandler.sh b/libs/hwhandler.sh
index 7d74a6b..17a0850 100755
--- a/libs/hwhandler.sh
+++ b/libs/hwhandler.sh
@@ -60,9 +60,9 @@ list_cam_v4l2ctrls() {
 
 ## Determine connected libcamera (CSI) device
 detect_libcamera() {
-    local avail
-    if [[ "$(is_raspberry_pi)" = "1" ]]; then
-        vcgencmd get_camera | grep -c "libcamera interfaces=1" || true
+    if [[ "$(is_raspberry_pi)" = "1" ]] &&
+    [[ -x "$(command -v libcamera-hello)" ]]; then
+        libcamera-hello --list-cameras | awk 'NR==1 {print $1}' | grep -c "Available"
     fi
 }