From cdd77ae71e2a796c3ddf6981fd1526fe5783d37d Mon Sep 17 00:00:00 2001
From: Jonathan Bastien-Filiatrault <joe@x2a.org>
Date: Tue, 9 Jul 2019 21:50:15 -0400
Subject: [PATCH] Allow setting split mode without smashing the VFOB frequency.

---
 yaesu/ft891.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/yaesu/ft891.c b/yaesu/ft891.c
index 21c17b717..a47f869e4 100644
--- a/yaesu/ft891.c
+++ b/yaesu/ft891.c
@@ -408,6 +408,7 @@ int ft891_set_split_mode(RIG *rig, vfo_t vfo, rmode_t tx_mode, pbwidth_t tx_widt
 {
     struct newcat_priv_data *priv;
     struct rig_state *state;
+    freq_t b_freq;
     int err;
 
     rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
@@ -422,6 +423,11 @@ int ft891_set_split_mode(RIG *rig, vfo_t vfo, rmode_t tx_mode, pbwidth_t tx_widt
 
     priv = (struct newcat_priv_data *)rig->state.priv;
 
+    // Remember VFOB frequency
+    if (RIG_OK != (err = newcat_get_freq(rig,RIG_VFO_B,&b_freq))) {
+        return err;
+    }
+
     // Change mode on VFOA and make VFOB match VFOA
     if (RIG_OK != (err = newcat_set_mode(rig,RIG_VFO_A,tx_mode,tx_width))) {
         return err;
@@ -434,6 +440,11 @@ int ft891_set_split_mode(RIG *rig, vfo_t vfo, rmode_t tx_mode, pbwidth_t tx_widt
         return err;
       }
 
+    // Restore VFOB frequency
+    if (RIG_OK != (err = newcat_set_freq(rig,RIG_VFO_B,b_freq))) {
+        return err;
+    }
+
 #if 0
     if (RIG_OK != (err = newcat_get_cmd (rig)))
         return err;