graph_link_init
ret = graph_link_init(priv, cpu_ep, codec_ep, li, dai_name);
ret = graph_link_init(priv, cpu_ep, codec_ep, li, dai_name);
graph_link_init(priv, lnk, codec0_ep, codec1_ep, li, 1);
graph_link_init(priv, lnk, cpu_ep, codec_ep, li, 1);
graph_link_init(priv, lnk, cpu_ep, codec_ep, li, is_cpu);