RADIO_INFO_SIGNAL
ret = RADIO_INFO_SIGNAL | RADIO_INFO_STEREO;
ret = RADIO_INFO_SIGNAL;
ri->info = RADIO_INFO_SIGNAL | RADIO_INFO_STEREO;
ri->info = RADIO_INFO_SIGNAL;
GEMTEK_PCI_SIGNAL? 0 : RADIO_INFO_SIGNAL;
| (__SHIFTOUT(statusrssi, SI470X_AFCRL) ? 0 : RADIO_INFO_SIGNAL);
printf("%s\n", ri.info & RADIO_INFO_SIGNAL ? onchar : offchar);