src_set_pm
int (*src_set_pm)(void *blk, unsigned int pm);
.src_set_pm = src_set_pm,
.src_set_pm = src_set_pm,
hw->src_set_pm(src->rsc.ctrl_blk, 0);
hw->src_set_pm(src->rsc.ctrl_blk, 0);
hw->src_set_pm(src->rsc.ctrl_blk, 0);
.set_pm = src_set_pm,
hw->src_set_pm(src->rsc.ctrl_blk, pm);