Fix icom filter number for 0x26 command -- filter should not change now at all from what the user sets.

https://github.com/Hamlib/Hamlib/issues/854

rigs/icom/icom.c

@@ -2027,6 +2027,7 @@ int icom_set_mode_with_data(RIG *rig, vfo_t vfo, rmode_t mode,
     ENTERFUNC;
 
     // if our current mode and width is not changing do nothing
+    // this also sets priv->filter to current filter#
     retval = rig_get_mode(rig, vfo, &tmode, &twidth);
 
     if (retval != RIG_OK)
@@ -2091,6 +2092,7 @@ int icom_set_mode_with_data(RIG *rig, vfo_t vfo, rmode_t mode,
         unsigned char datamode[2];
         unsigned char mode_icom; // Not used, we only need the width
         signed char width_icom;
+        struct icom_priv_data *priv = rig->state.priv;
 
         TRACE;
 
@@ -2101,14 +2103,12 @@ int icom_set_mode_with_data(RIG *rig, vfo_t vfo, rmode_t mode,
         case RIG_MODE_PKTFM:
         case RIG_MODE_PKTAM:
             datamode[0] = 0x01;
-            datamode[1] = 0x02; // default to filter 2
-            if(width == RIG_PASSBAND_NOCHANGE) datamode[1] = twidth;
+            datamode[1] = priv->filter; // we won't change the current filter
             break;
 
         default:
             datamode[0] = 0x00;
-            datamode[1] = 0x02; // default to filter 2
-            if(width == RIG_PASSBAND_NOCHANGE) datamode[1] = twidth;
+            datamode[1] = priv->filter; // we won't change the current filter
             break;
         }
 

rigs/icom/icom.h

@@ -30,7 +30,7 @@
 #include <sys/time.h>
 #endif
 
-#define BACKEND_VER "20211020"
+#define BACKEND_VER "20211107"
 
 #define ICOM_IS_SECONDARY_VFO(vfo) ((vfo) & (RIG_VFO_B | RIG_VFO_SUB | RIG_VFO_SUB_B | RIG_VFO_MAIN_B))
 #define ICOM_GET_VFO_NUMBER(vfo) (ICOM_IS_SECONDARY_VFO(vfo) ? 0x01 : 0x00)