ATTEMPT_TUNE
if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
state->diseq_flags |= ATTEMPT_TUNE;
state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);