Merge branch 'master' of https://github.com/g0orx/pihpsdr

diff --cc rigctl.c
index fc346003452fa8d1201b194134b74dfa3df0c6e9,a1aab4ac1799c8cdbd3d68f09445681d394c9eea..f00c387fd9c54c29655f986ed25536446c46dcb9
--- 1/rigctl.c
--- 2/rigctl.c
+++ b/rigctl.c
@@@ -2633,17 -2583,10 +2633,18 @@@ int parse_cmd(void *data) 
              receiver[0]->volume=(double)gain/255.0;
              update_af_gain();
            }
+           break;
          case 'I': //AI
            // set/read Auto Information
 -          implemented=FALSE;
 +          // many clients start the connection with an "AI0" command.
 +          // piHPSDR is constantly in an "AI0" state, therefore
 +          // silently ignore AI0 commands and flag an error for
 +          // all other possiblities
 +          if (command[2] == '0' && command[3] == ';') {
 +            // do nothing
 +          } else {
 +            implemented=FALSE;
 +          }
            break;
          case 'L': // AL
            // set/read Auto Notch level