PERIOD
#define periodchar(c) ((c) == PERIOD)
int pch = PERIOD, ch = *dn++;
ns_to_ktime(PERIOD), 0,
hrtimer_forward(hrtimer, now, ns_to_ktime(PERIOD));
state = PERIOD;
if (state != PERIOD)
if (state == PERIOD)
if (state == PERIOD) {
if ((state == PERIOD || state == BLANK) && --cnt == 0) {