From 8456d096d241d71302d77f5506726a9af2efd77e Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Thu, 20 Dec 2018 16:28:12 +0300
Subject: [PATCH] videoio(v4l2): fix build due missing V4L2_CID_ISO_SENSITIVITY

---
 modules/videoio/src/cap_v4l.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/videoio/src/cap_v4l.cpp b/modules/videoio/src/cap_v4l.cpp
index db8569359e..661e4b3210 100644
--- a/modules/videoio/src/cap_v4l.cpp
+++ b/modules/videoio/src/cap_v4l.cpp
@@ -237,6 +237,11 @@ make & enjoy!
 #include <sys/videoio.h>
 #endif
 
+// https://github.com/opencv/opencv/issues/13335
+#ifndef V4L2_CID_ISO_SENSITIVITY
+#define V4L2_CID_ISO_SENSITIVITY (V4L2_CID_CAMERA_CLASS_BASE+23)
+#endif
+
 /* Defaults - If your board can do better, set it here.  Set for the most common type inputs. */
 #define DEFAULT_V4L_WIDTH  640
 #define DEFAULT_V4L_HEIGHT 480
-- 
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