if (change_driver || change_device || change_channels || change_nperiods ||
(change_latency && !backend->can_change_systemic_latency_when_running ()) ||
(change_rate && !backend->can_change_sample_rate_when_running()) ||
if (change_driver || change_device || change_channels || change_nperiods ||
(change_latency && !backend->can_change_systemic_latency_when_running ()) ||
(change_rate && !backend->can_change_sample_rate_when_running()) ||