diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 68947fa23400..c33e019617cd 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -1400,7 +1400,7 @@ static int fill_and_eval_dacs(struct hda_codec *codec,
 	}
 
 	spec->ext_channel_count = spec->min_channel_count =
-		spec->multiout.num_dacs;
+		spec->multiout.num_dacs * 2;
 
 	if (spec->multi_ios == 2) {
 		for (i = 0; i < 2; i++)