DFLL_OPEN_LOOP
case DFLL_OPEN_LOOP:
dfll_set_mode(td, DFLL_OPEN_LOOP);
case DFLL_OPEN_LOOP:
[DFLL_OPEN_LOOP] = "open_loop",
return td->mode >= DFLL_OPEN_LOOP;
if (td->mode != DFLL_OPEN_LOOP) {
dfll_set_mode(td, DFLL_OPEN_LOOP);