Fix Gemini DX1200 gemini_set_level function

amplifiers/gemini/dx1200.c

@@ -61,9 +61,9 @@ const struct amp_caps gemini_amp_caps =
     AMP_MODEL(AMP_MODEL_GEMINI_DX1200),
     .model_name =   "DX1200/HF-1K",
     .mfg_name =     "Gemini",
-    .version =      "20220710.0",
+    .version =      "20230318.0",
     .copyright =    "LGPL",
-    .status =     RIG_STATUS_ALPHA,
+    .status =     RIG_STATUS_BETA,
     .amp_type =     AMP_TYPE_OTHER,
     .port_type =    RIG_PORT_NETWORK,
     .write_delay =    0,

amplifiers/gemini/gemini.c

@@ -282,13 +282,12 @@ int gemini_set_level(AMP *amp, setting_t level, value_t val)
 
         if (val.f < .67) { cmd = "PM\n"; }
 
-        return RIG_OK;
         break;
     }
 
     retval = gemini_transaction(amp, cmd, NULL, 0);
 
-    if (retval != RIG_OK) { return retval; }
+    if (retval == RIG_OK) { return retval; }
 
     rig_debug(RIG_DEBUG_ERR, "%s: Unknown level=%s\n", __func__,
               rig_strlevel(level));