diff --git a/sound/soc/intel/boards/sof_cs42l42.c b/sound/soc/intel/boards/sof_cs42l42.c
index ce78c1879887..8061082d9fbf 100644
--- a/sound/soc/intel/boards/sof_cs42l42.c
+++ b/sound/soc/intel/boards/sof_cs42l42.c
@@ -311,6 +311,9 @@ static int create_spk_amp_dai_links(struct device *dev,
 	links[*id].platforms = platform_component;
 	links[*id].num_platforms = ARRAY_SIZE(platform_component);
 	links[*id].dpcm_playback = 1;
+	/* firmware-generated echo reference */
+	links[*id].dpcm_capture = 1;
+
 	links[*id].no_pcm = 1;
 	links[*id].cpus = &cpus[*id];
 	links[*id].num_cpus = 1;