Even the device node don't exist, the graph_util_parse_link_direction() will overwrite the playback_only and capture_only to be zero. Which cause the playback_only and capture_only are not correct, so check device node exist or not before update the value. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://patch.msgid.link/20251229090432.3964848-1-shengjiu.wang@nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>