RRL_SRC_FRE_DEMAND
.sources = {RRL_SRC_LRE_SCRUB, RRL_SRC_LRE_DEMAND, RRL_SRC_FRE_DEMAND},
.sources = {RRL_SRC_FRE_SCRUB, RRL_SRC_FRE_DEMAND, RRL_SRC_LRE_SCRUB, RRL_SRC_LRE_DEMAND},
.sources = {RRL_SRC_FRE_SCRUB, RRL_SRC_FRE_DEMAND, RRL_SRC_LRE_SCRUB, RRL_SRC_LRE_DEMAND}, \
first = (source == RRL_SRC_FRE_SCRUB || source == RRL_SRC_FRE_DEMAND);