+ else { /* if we _WERE_ tuned, but now don't have a lock */
+#ifdef DEBUG_LOCKLOSS
+ /* first of all try setting the tone again if it was on - this
+ * sometimes works around problems with noisy power supplies */
+ if (fe->ops->set_tone && (fepriv->tone == SEC_TONE_ON)) {
+ fe->ops->set_tone(fe, fepriv->tone);
+ mdelay(100);
+ s = 0;
+ fe->ops->read_status(fe, &s);
+ if (s & FE_HAS_LOCK) {
+ printk("DVB%i: Lock was lost, but regained by setting "
+ "the tone. This may indicate your power supply "
+ "is noisy/slightly incompatable with this DVB-S "
+ "adapter\n", fe->dvb->num);
+ fepriv->state = FESTATE_TUNED;
+ continue;
+ }
+ }
+#endif
+ /* some other reason for losing the lock - start zigzagging */