k4
#define SOF_LINK_ORDER(k1, k2, k3, k4, k5, k6, k7) \
(((k4) & SOF_LINK_ORDER_MASK) << (SOF_LINK_ORDER_SHIFT * 3)) | \
#define SOF_LINK_IDS(k1, k2, k3, k4, k5, k6, k7) \
(((k4) & SOF_LINK_IDS_MASK) << (SOF_LINK_IDS_SHIFT * 3)) | \