src_set_sa
int (*src_set_sa)(void *blk, unsigned int sa);
.src_set_sa = src_set_sa,
.src_set_sa = src_set_sa,
hw->src_set_sa(src->rsc.ctrl_blk, sa);
hw->src_set_sa(src->rsc.ctrl_blk, 0x0);
hw->src_set_sa(src->rsc.ctrl_blk, 0x0);
hw->src_set_sa(src->rsc.ctrl_blk, 0x0);
.set_sa = src_set_sa,