spec->stream_digital_playback = &alc260_pcm_digital_playback;
        spec->stream_digital_capture = &alc260_pcm_digital_capture;
 
+       if (!spec->adc_nids && spec->input_mux) {
+               /* check whether NID 0x04 is valid */
+               unsigned int wcap = get_wcaps(codec, 0x04);
+               wcap = (wcap & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
+               /* get type */
+               if (wcap != AC_WID_AUD_IN || spec->input_mux->num_items == 1) {
+                       spec->adc_nids = alc260_adc_nids_alt;
+                       spec->num_adc_nids = ARRAY_SIZE(alc260_adc_nids_alt);
+               } else {
+                       spec->adc_nids = alc260_adc_nids;
+                       spec->num_adc_nids = ARRAY_SIZE(alc260_adc_nids);
+               }
+       }
        set_capture_mixer(spec);
 
        spec->vmaster_nid = 0x08;