/* channel model */
        const struct hda_channel_mode *channel_mode;
        int num_channel_mode;
+       int need_dac_fix;
 
        /* PCM information */
        struct hda_pcm pcm_rec[3];      /* used in alc_build_pcms() */
        hda_nid_t dig_in_nid;
        unsigned int num_channel_mode;
        const struct hda_channel_mode *channel_mode;
+       int need_dac_fix;
        unsigned int num_mux_defs;
        const struct hda_input_mux *input_mux;
        void (*unsol_event)(struct hda_codec *, unsigned int);
 {
        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
        struct alc_spec *spec = codec->spec;
-       return snd_hda_ch_mode_put(codec, ucontrol, spec->channel_mode,
-                                  spec->num_channel_mode,
-                                  &spec->multiout.max_channels);
+       int err = snd_hda_ch_mode_put(codec, ucontrol, spec->channel_mode,
+                                     spec->num_channel_mode,
+                                     &spec->multiout.max_channels);
+       if (! err && spec->need_dac_fix)
+               spec->multiout.num_dacs = spec->multiout.max_channels / 2;
+       return err;
 }
 
 /*
        
        spec->channel_mode = preset->channel_mode;
        spec->num_channel_mode = preset->num_channel_mode;
+       spec->need_dac_fix = preset->need_dac_fix;
 
        spec->multiout.max_channels = spec->channel_mode[0].channels;
 
                .dac_nids = alc880_dac_nids,
                .num_channel_mode = ARRAY_SIZE(alc880_threestack_modes),
                .channel_mode = alc880_threestack_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc880_capture_source,
        },
        [ALC880_3ST_DIG] = {
                .dig_out_nid = ALC880_DIGOUT_NID,
                .num_channel_mode = ARRAY_SIZE(alc880_threestack_modes),
                .channel_mode = alc880_threestack_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc880_capture_source,
        },
        [ALC880_TCL_S700] = {
                .dac_nids = alc880_asus_dac_nids,
                .num_channel_mode = ARRAY_SIZE(alc880_asus_modes),
                .channel_mode = alc880_asus_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc880_capture_source,
        },
        [ALC880_ASUS_DIG] = {
                .dig_out_nid = ALC880_DIGOUT_NID,
                .num_channel_mode = ARRAY_SIZE(alc880_asus_modes),
                .channel_mode = alc880_asus_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc880_capture_source,
        },
        [ALC880_ASUS_DIG2] = {
                .dig_out_nid = ALC880_DIGOUT_NID,
                .num_channel_mode = ARRAY_SIZE(alc880_asus_modes),
                .channel_mode = alc880_asus_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc880_capture_source,
        },
        [ALC880_ASUS_W1V] = {
                .dig_out_nid = ALC880_DIGOUT_NID,
                .num_channel_mode = ARRAY_SIZE(alc880_asus_modes),
                .channel_mode = alc880_asus_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc880_capture_source,
        },
        [ALC880_UNIWILL_DIG] = {
                .dig_out_nid = ALC880_DIGOUT_NID,
                .num_channel_mode = ARRAY_SIZE(alc880_asus_modes),
                .channel_mode = alc880_asus_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc880_capture_source,
        },
        [ALC880_CLEVO] = {
                .hp_nid = 0x03,
                .num_channel_mode = ARRAY_SIZE(alc880_threestack_modes),
                .channel_mode = alc880_threestack_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc880_capture_source,
        },
        [ALC880_LG] = {
                .dig_out_nid = ALC880_DIGOUT_NID,
                .num_channel_mode = ARRAY_SIZE(alc880_lg_ch_modes),
                .channel_mode = alc880_lg_ch_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc880_lg_capture_source,
                .unsol_event = alc880_lg_unsol_event,
                .init_hook = alc880_lg_automute,
                .dig_in_nid = ALC882_DIGIN_NID,
                .num_channel_mode = ARRAY_SIZE(alc882_ch_modes),
                .channel_mode = alc882_ch_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc882_capture_source,
        },
        [ALC882_6ST_DIG] = {
                .dig_in_nid = ALC883_DIGIN_NID,
                .num_channel_mode = ARRAY_SIZE(alc883_3ST_6ch_modes),
                .channel_mode = alc883_3ST_6ch_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc883_capture_source,
        },      
        [ALC883_3ST_6ch] = {
                .adc_nids = alc883_adc_nids,
                .num_channel_mode = ARRAY_SIZE(alc883_3ST_6ch_modes),
                .channel_mode = alc883_3ST_6ch_modes,
+               .need_dac_fix = 1,
                .input_mux = &alc883_capture_source,
        },      
        [ALC883_6ST_DIG] = {
                .dac_nids = alc861_dac_nids,
                .num_channel_mode = ARRAY_SIZE(alc861_threestack_modes),
                .channel_mode = alc861_threestack_modes,
+               .need_dac_fix = 1,
                .num_adc_nids = ARRAY_SIZE(alc861_adc_nids),
                .adc_nids = alc861_adc_nids,
                .input_mux = &alc861_capture_source,
                .dig_out_nid = ALC861_DIGOUT_NID,
                .num_channel_mode = ARRAY_SIZE(alc861_threestack_modes),
                .channel_mode = alc861_threestack_modes,
+               .need_dac_fix = 1,
                .num_adc_nids = ARRAY_SIZE(alc861_adc_nids),
                .adc_nids = alc861_adc_nids,
                .input_mux = &alc861_capture_source,
                .dac_nids = alc660_dac_nids,
                .num_channel_mode = ARRAY_SIZE(alc861_threestack_modes),
                .channel_mode = alc861_threestack_modes,
+               .need_dac_fix = 1,
                .num_adc_nids = ARRAY_SIZE(alc861_adc_nids),
                .adc_nids = alc861_adc_nids,
                .input_mux = &alc861_capture_source,