Rigs will only power up once if needed

https://github.com/Hamlib/Hamlib/issues/297

rigs/icom/icom.c

@@ -727,9 +727,10 @@ icom_rig_open(RIG *rig)
               rig->caps->version);
     retval = icom_get_usb_echo_off(rig);
 
-    if (retval != RIG_OK)
+    if (retval != RIG_OK && priv->poweron == 0)
     {
 
+        priv->poweron = 1;
         // maybe we need power on?
         rig_debug(RIG_DEBUG_VERBOSE, "%s trying power on\n", __func__);
         retval = abs(rig_set_powerstat(rig, 1));

rigs/icom/icom.h

@@ -190,6 +190,7 @@ struct icom_priv_data
     freq_t vfob_freq;  // track last setting of vfob -- used to return last freq when ptt is asserted
     int x25cmdfails;  // This will get set if the 0x25 command fails so we try just once
     int x1cx03cmdfails;  // This will get set if the 0x1c 0x03 command fails so we try just once
+    int poweron;  // to prevent powering on more than once
 };
 
 extern const struct ts_sc_list r8500_ts_sc_list[];

rigs/kenwood/kenwood.c

@@ -719,8 +719,9 @@ int kenwood_open(RIG *rig)
         rig_debug(RIG_DEBUG_TRACE, "%s: got ID so try PS\n", __func__);
         err = rig_get_powerstat(rig, &powerstat);
 
-        if (err == RIG_OK && powerstat == 0)
+        if (err == RIG_OK && powerstat == 0 && priv->poweron == 0)
         {
+            priv->poweron = 1;
             rig_debug(RIG_DEBUG_TRACE, "%s: got PS0 so powerup\n", __func__);
             rig_set_powerstat(rig, 1);
         }

rigs/kenwood/kenwood.h

@@ -27,7 +27,7 @@
 #include <string.h>
 #include "token.h"
 
-#define BACKEND_VER "20200601"
+#define BACKEND_VER "20200614"
 
 #define EOM_KEN ';'
 #define EOM_TH '\r'
@@ -126,6 +126,7 @@ struct kenwood_priv_data
     int is_950;
     struct timespec cache_start;
     char last_if_response[KENWOOD_MAX_BUF_LEN];
+    int poweron; /* to avoid powering on more than once */
 };
 
 

rigs/yaesu/newcat.c

@@ -366,7 +366,10 @@ int newcat_open(RIG *rig)
               __func__, rig_s->rigport.post_write_delay);
 
     /* Ensure rig is powered on */
-    rig_set_powerstat(rig, 1);
+    if (priv->poweron == 0) {
+        priv->poweron = 1;
+        rig_set_powerstat(rig, 1);
+    }
 
     /* get current AI state so it can be restored */
     priv->trn_state = -1;

rigs/yaesu/newcat.h

@@ -95,6 +95,7 @@ struct newcat_priv_data
     int width_frequency; /* found at startup */
     struct timespec cache_start;
     char last_if_response[NEWCAT_DATA_LEN];
+    int poweron; /* to prevent powering on more than once */
 };