When creating the audio link, use pad signals, instead of
hardcoding using the pad index number.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
 
 create_link:
        if (decoder && mixer) {
-               ret = media_create_pad_link(decoder,
-                                           DEMOD_PAD_AUDIO_OUT,
-                                           mixer, 0,
-                                           MEDIA_LNK_FL_ENABLED);
-               if (ret)
+               ret = media_get_pad_index(decoder, false,
+                                         PAD_SIGNAL_AUDIO);
+               if (ret >= 0)
+                       ret = media_create_pad_link(decoder, ret,
+                                                   mixer, 0,
+                                                   MEDIA_LNK_FL_ENABLED);
+               if (ret < 0)
                        dev_err(&dev->usbdev->dev,
                                "Mixer Pad Link Create Error: %d\n", ret);
        }