DW9768_MOVE_STEPS
for (val = dw9768->focus->val % DW9768_MOVE_STEPS;
val += DW9768_MOVE_STEPS) {
val = round_down(dw9768->focus->val, DW9768_MOVE_STEPS);
for ( ; val >= 0; val -= DW9768_MOVE_STEPS) {