remove small hack for freq correction; gortlsdr has been modified to handle -2 error from librtlsdr when requested ppm is the same as current ppm"

main/sdr.go

@@ -181,17 +181,12 @@ func (u *UAT) sdrConfig() (err error) {
 	//---------- Get/Set Freq Correction ----------
 	freqCorr := u.dev.GetFreqCorrection()
 	log.Printf("\tGetFreqCorrection: %d\n", freqCorr)
-	// avoid librtlsdr error code inconsistency, i.e.
-	// error code -2 means the stored value is the same as
-	// the PPM value we sent (dev->corr == PPM)
-	if freqCorr != globalSettings.PPM {
-		err = u.dev.SetFreqCorrection(globalSettings.PPM)
-		if err != nil {
-			// just a warning
-			log.Printf("\tSetFreqCorrection %d Failed, error: %s\n", globalSettings.PPM, err)
-		} else {
-			log.Printf("\tSetFreqCorrection %d Successful\n", globalSettings.PPM)
-		}
+	err = u.dev.SetFreqCorrection(globalSettings.PPM)
+	if err != nil {
+		// just a warning
+		log.Printf("\tSetFreqCorrection %d Failed, error: %s\n", globalSettings.PPM, err)
+	} else {
+		log.Printf("\tSetFreqCorrection %d Successful\n", globalSettings.PPM)
 	}
 	return
 }