Merge branches 'dma-debug/next', 'amd-iommu/command-cleanups', 'amd-iommu/ats' and...

[karo-tx-linux.git] / sound / pci / hda / patch_sigmatel.c

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 1395991c39f2634fbf6620c5c0a662dfe924a1c9..94d19c03a7f4f728bf3ddb394c77ba431f52b9b2 100644 (file)
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -3408,6 +3408,9 @@ static int get_connection_index(struct hda_codec *codec, hda_nid_t mux,
        hda_nid_t conn[HDA_MAX_NUM_INPUTS];
        int i, nums;
 
+       if (!(get_wcaps(codec, mux) & AC_WCAP_CONN_LIST))
+               return -1;
+
        nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));
        for (i = 0; i < nums; i++)
                if (conn[i] == nid)