},
 };
 
+
+/*
+ * Dell Precision T3400
+ */
+static struct hda_input_mux ad1984_dell_desktop_capture_source = {
+       .num_items = 3,
+       .items = {
+               { "Front Mic", 0x0 },
+               { "Line-In", 0x1 },
+               { "Mix", 0x3 },
+       },
+};
+
+
 static struct snd_kcontrol_new ad1984_thinkpad_mixers[] = {
        HDA_CODEC_VOLUME("PCM Playback Volume", 0x04, 0x0, HDA_OUTPUT),
        /* HDA_CODEC_VOLUME_IDX("PCM Playback Volume", 1, 0x03, 0x0, HDA_OUTPUT), */
        { } /* end */
 };
 
+/*
+ * Dell Precision T3400
+ */
+static struct snd_kcontrol_new ad1984_dell_desktop_mixers[] = {
+       HDA_CODEC_VOLUME("PCM Playback Volume", 0x04, 0x0, HDA_OUTPUT),
+       HDA_CODEC_MUTE("Headphone Playback Switch", 0x11, 0x0, HDA_OUTPUT),
+       HDA_CODEC_MUTE("Speaker Playback Switch", 0x12, 0x0, HDA_OUTPUT),
+       HDA_CODEC_VOLUME_MONO("Mono Playback Volume", 0x13, 1, 0x0, HDA_OUTPUT),
+       HDA_CODEC_MUTE_MONO("Mono Playback Switch", 0x13, 1, 0x0, HDA_OUTPUT),
+       HDA_CODEC_VOLUME("Front Mic Playback Volume", 0x20, 0x00, HDA_INPUT),
+       HDA_CODEC_MUTE("Front Mic Playback Switch", 0x20, 0x00, HDA_INPUT),
+       HDA_CODEC_VOLUME("Line-In Playback Volume", 0x20, 0x01, HDA_INPUT),
+       HDA_CODEC_MUTE("Line-In Playback Switch", 0x20, 0x01, HDA_INPUT),
+       /*
+       HDA_CODEC_VOLUME("PC Speaker Playback Volume", 0x20, 0x03, HDA_INPUT),
+       HDA_CODEC_MUTE("PC Speaker Playback Switch", 0x20, 0x03, HDA_INPUT),
+       */
+       HDA_CODEC_VOLUME("Line-In Boost", 0x15, 0x0, HDA_INPUT),
+       HDA_CODEC_VOLUME("Front Mic Boost", 0x14, 0x0, HDA_INPUT),
+       HDA_CODEC_VOLUME("Capture Volume", 0x0c, 0x0, HDA_OUTPUT),
+       HDA_CODEC_MUTE("Capture Switch", 0x0c, 0x0, HDA_OUTPUT),
+       HDA_CODEC_VOLUME_IDX("Capture Volume", 1, 0x0d, 0x0, HDA_OUTPUT),
+       HDA_CODEC_MUTE_IDX("Capture Switch", 1, 0x0d, 0x0, HDA_OUTPUT),
+       {
+               .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+               /* The multiple "Capture Source" controls confuse alsamixer
+                * So call somewhat different..
+                */
+               /* .name = "Capture Source", */
+               .name = "Input Source",
+               .count = 2,
+               .info = ad198x_mux_enum_info,
+               .get = ad198x_mux_enum_get,
+               .put = ad198x_mux_enum_put,
+       },
+       { } /* end */
+};
+
 /* Digial MIC ADC NID 0x05 + 0x06 */
 static int ad1984_pcm_dmic_prepare(struct hda_pcm_stream *hinfo,
                                   struct hda_codec *codec,
 enum {
        AD1984_BASIC,
        AD1984_THINKPAD,
+       AD1984_DELL_DESKTOP,
        AD1984_MODELS
 };
 
 static const char *ad1984_models[AD1984_MODELS] = {
        [AD1984_BASIC]          = "basic",
        [AD1984_THINKPAD]       = "thinkpad",
+       [AD1984_DELL_DESKTOP]   = "dell_desktop",
 };
 
 static struct snd_pci_quirk ad1984_cfg_tbl[] = {
        /* Lenovo Thinkpad T61/X61 */
        SND_PCI_QUIRK(0x17aa, 0, "Lenovo Thinkpad", AD1984_THINKPAD),
+       SND_PCI_QUIRK(0x1028, 0x0214, "Dell T3400", AD1984_DELL_DESKTOP),
        {}
 };
 
                spec->mixers[0] = ad1984_thinkpad_mixers;
                spec->init_verbs[spec->num_init_verbs++] = ad1984_thinkpad_init_verbs;
                break;
+       case AD1984_DELL_DESKTOP:
+               spec->multiout.dig_out_nid = 0;
+               spec->input_mux = &ad1984_dell_desktop_capture_source;
+               spec->mixers[0] = ad1984_dell_desktop_mixers;
+               break;
        }
        return 0;
 }