From 429fd1ab89fb51847db78e5b75e773d58712bc22 Mon Sep 17 00:00:00 2001
From: Mikael Nousiainen <mikael.nousiainen@iki.fi>
Date: Tue, 15 Dec 2020 22:18:08 +0200
Subject: [PATCH] Set az/el return values to zero when not supported

---
 rotators/prosistel/prosistel.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/rotators/prosistel/prosistel.c b/rotators/prosistel/prosistel.c
index 77dc19add..96d4c4787 100644
--- a/rotators/prosistel/prosistel.c
+++ b/rotators/prosistel/prosistel.c
@@ -252,6 +252,10 @@ static int prosistel_rot_get_position(ROT *rot, azimuth_t *az, elevation_t *el)
 
         *az = (azimuth_t) posval;
     }
+    else
+    {
+        *az = 0;
+    }
 
     // Query elevation only if the rotator has the capability to do so
     // It is an error to query for elevation if it's not supported by the rotator controller
@@ -285,6 +289,10 @@ static int prosistel_rot_get_position(ROT *rot, azimuth_t *az, elevation_t *el)
 
         *el = (elevation_t) posval;
     }
+    else
+    {
+        *el = 0;
+    }
 
     return retval;
 }