RTSR_HZ
if (rtsr & RTSR_HZ)
#define RTSR_TRIG_MASK (RTSR_AL | RTSR_HZ | RTSR_RDAL1 | RTSR_RDAL2\
writel_relaxed(RTSR_AL | RTSR_HZ, info->rtsr);
writel_relaxed((RTSR_AL | RTSR_HZ) & (rtsr >> 2), info->rtsr);
writel_relaxed(RTSR_AL | RTSR_HZ, info->rtsr);
if (rtsr & RTSR_HZ)