src_set_st
int (*src_set_st)(void *blk, unsigned int st);
.src_set_st = src_set_st,
.src_set_st = src_set_st,
hw->src_set_st(src->rsc.ctrl_blk, 0);
hw->src_set_st(src->rsc.ctrl_blk, 0);
hw->src_set_st(src->rsc.ctrl_blk, 0);
.set_st = src_set_st,
hw->src_set_st(src->rsc.ctrl_blk, st);