WLED4_SINK_REG_CURR_SINK
wled->sink_addr + WLED4_SINK_REG_CURR_SINK,
wled->sink_addr + WLED4_SINK_REG_CURR_SINK,
wled->sink_addr + WLED4_SINK_REG_CURR_SINK,
WLED4_SINK_REG_CURR_SINK, &sink_config);
wled->sink_addr + WLED4_SINK_REG_CURR_SINK, 0);
WLED4_SINK_REG_CURR_SINK, sink_test);
wled->sink_addr + WLED4_SINK_REG_CURR_SINK,
WLED4_SINK_REG_CURR_SINK, &sink_cfg);