diff --git a/sound/soc/amlogic/auge/tdm.c b/sound/soc/amlogic/auge/tdm.c
index 7fe02cf5c113..41d478daf7ab 100644
--- a/sound/soc/amlogic/auge/tdm.c
+++ b/sound/soc/amlogic/auge/tdm.c
@@ -405,6 +405,7 @@ static int aml_tdm_prepare(struct snd_pcm_substream *substream)
 				&& (p_tdm->samesource_sel >= 0)
 				&& (aml_check_sharebuffer_valid(p_tdm->fddr,
 					p_tdm->samesource_sel))
+				&& (runtime->channels > 2)
 				&& p_tdm->en_share)
 				aml_spdif_out_reset(p_tdm->samesource_sel - 3,
 						offset);