RCA
ppp_cp_event(dev, pid, RCA, 0, 0, 0, NULL);
dao = container_of(atc->daios[atc->rca_state ? LINEO1 : RCA],
return atc_daio_unmute(atc, state, RCA);
((i == RCA) && !cap.dedicated_rca) ||
da_desc.output = (i < LINEIM) || (i == RCA);
dao = container_of(atc->daios[atc->rca_state ? RCA : LINEO1],
case RCA: return 3;
[RCA] = {.left = 0x30, .right = 0x31},