XELPDP_PORT_P2M_COMMAND_READ_ACK
command == XELPDP_PORT_P2M_COMMAND_READ_ACK ? "read" : "write", *val);
command == XELPDP_PORT_P2M_COMMAND_READ_ACK ? "read" : "write", *val);
ack = intel_cx0_wait_for_ack(encoder, XELPDP_PORT_P2M_COMMAND_READ_ACK, lane, &val);