From 7d2a5078c48f188a54609fd7b0bbe654764a850a Mon Sep 17 00:00:00 2001
From: Mike Black W9MDB <mdblack98@yahoo.com>
Date: Mon, 5 Apr 2021 11:46:58 -0500
Subject: [PATCH] Fix get_vfo_info when VFOA is requested without setting VFOA
 first https://github.com/Hamlib/Hamlib/issues/648

---
 src/rig.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/rig.c b/src/rig.c
index 40174d542..872760bda 100644
--- a/src/rig.c
+++ b/src/rig.c
@@ -6002,8 +6002,11 @@ int HAMLIB_API rig_get_vfo_info(RIG *rig, vfo_t vfo, freq_t *freq,
 
     if (retval != RIG_OK) { RETURNFUNC(retval); }
 
-    if ((vfo == RIG_VFO_B || vfo == RIG_VFO_SUB)
-            && (rig->caps->targetable_vfo & RIG_TARGETABLE_MODE))
+    // we will ask for other vfo mode just once if not targetable
+    int allTheTimeA = vfo & (RIG_VFO_A | RIG_VFO_CURR | RIG_VFO_MAIN_A | RIG_VFO_SUB_A);
+    int allTheTimeB = (vfo &(RIG_VFO_B | RIG_VFO_SUB)) && (rig->caps->targetable_vfo & RIG_TARGETABLE_MODE);
+    int justOnceB = (vfo &(RIG_VFO_B | RIG_VFO_SUB)) && (rig->state.cache.modeMainB == RIG_MODE_NONE);
+    if (allTheTimeA || allTheTimeB || justOnceB)
     {
         retval = rig_get_mode(rig, vfo, mode, width);