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-rw-r--r--sound/pci/hda/patch_via.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 15b57a101aa0..62fe64c419d5 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -1021,6 +1021,11 @@ static int via_smart51_build(struct via_spec *spec)
hda_nid_t nid;
int i;
+ if (!cfg)
+ return 0;
+ if (cfg->line_outs > 2)
+ return 0;
+
knew = via_clone_control(spec, &via_smart51_mixer[0]);
if (knew == NULL)
return -ENOMEM;