ALSA: hda - Check codec errors in snd_hda_get_connections()
[pandora-kernel.git] / sound / pci / hda / hda_codec.c
index 94d848e..ec352c6 100644 (file)
@@ -316,6 +316,8 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
                /* single connection */
                parm = snd_hda_codec_read(codec, nid, 0,
                                          AC_VERB_GET_CONNECT_LIST, 0);
                /* single connection */
                parm = snd_hda_codec_read(codec, nid, 0,
                                          AC_VERB_GET_CONNECT_LIST, 0);
+               if (parm == -1 && codec->bus->rirb_error)
+                       return -EIO;
                conn_list[0] = parm & mask;
                return 1;
        }
                conn_list[0] = parm & mask;
                return 1;
        }
@@ -327,9 +329,12 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
                int range_val;
                hda_nid_t val, n;
 
                int range_val;
                hda_nid_t val, n;
 
-               if (i % num_elems == 0)
+               if (i % num_elems == 0) {
                        parm = snd_hda_codec_read(codec, nid, 0,
                                                  AC_VERB_GET_CONNECT_LIST, i);
                        parm = snd_hda_codec_read(codec, nid, 0,
                                                  AC_VERB_GET_CONNECT_LIST, i);
+                       if (parm == -1 && codec->bus->rirb_error)
+                               return -EIO;
+               }
                range_val = !!(parm & (1 << (shift-1))); /* ranges */
                val = parm & mask;
                parm >>= shift;
                range_val = !!(parm & (1 << (shift-1))); /* ranges */
                val = parm & mask;
                parm >>= shift;