codec->num_pcms = 1;
        codec->pcm_info = info;
 
+       snd_assert(spec->stream_analog_playback, return -EINVAL);
+       snd_assert(spec->stream_analog_capture, return -EINVAL);
        info->name = spec->stream_name_analog;
        info->stream[SNDRV_PCM_STREAM_PLAYBACK] = *(spec->stream_analog_playback);
        info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->multiout.dac_nids[0];
                info++;
                info->name = spec->stream_name_digital;
                if (spec->multiout.dig_out_nid) {
+                       snd_assert(spec->stream_digital_playback, return -EINVAL);
                        info->stream[SNDRV_PCM_STREAM_PLAYBACK] = *(spec->stream_digital_playback);
                        info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->multiout.dig_out_nid;
                }
                if (spec->dig_in_nid) {
+                       snd_assert(spec->stream_digital_capture, return -EINVAL);
                        info->stream[SNDRV_PCM_STREAM_CAPTURE] = *(spec->stream_digital_capture);
                        info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in_nid;
                }
 
        if (err < 0)
                return err;
-       /* hack - override the init verbs */
-       spec->init_verbs[0] = alc882_auto_init_verbs;
-       return 0;
+       else if (err > 0)
+               /* hack - override the init verbs */
+               spec->init_verbs[0] = alc882_auto_init_verbs;
+       return err;
 }
 
 /* init callback for auto-configuration model -- overriding the default init */
 #define alc262_adc_nids_alt    alc882_adc_nids_alt
 
 #define alc262_modes           alc260_modes
+#define alc262_capture_source  alc882_capture_source
 
 static struct snd_kcontrol_new alc262_base_mixer[] = {
        HDA_CODEC_VOLUME("Front Playback Volume", 0x0c, 0x0, HDA_OUTPUT),
                .hp_nid = 0x03,
                .num_channel_mode = ARRAY_SIZE(alc262_modes),
                .channel_mode = alc262_modes,
+               .input_mux = alc262_capture_source,
        },
 };