[ALSA] hda-codec - Add STAC9228 DMIC support

Added the missing STAC9228 DMIC support.
Also added a new vendor id tag for IDT.
Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/pci/hda/hda_codec.c

@@ -55,6 +55,7 @@ static struct hda_vendor_id hda_vendor_ids[] = {
 	{ 0x10ec, "Realtek" },
 	{ 0x1057, "Motorola" },
 	{ 0x1106, "VIA" },
+	{ 0x111d, "IDT" },
 	{ 0x11d4, "Analog Devices" },
 	{ 0x13f6, "C-Media" },
 	{ 0x14f1, "Conexant" },

sound/pci/hda/patch_sigmatel.c

@@ -204,6 +204,11 @@ static hda_nid_t stac927x_mux_nids[3] = {
         0x15, 0x16, 0x17
 };
 
+#define STAC927X_NUM_DMICS 2
+static hda_nid_t stac927x_dmic_nids[STAC927X_NUM_DMICS + 1] = {
+	0x13, 0x14, 0
+};
+
 static hda_nid_t stac9205_adc_nids[2] = {
         0x12, 0x13
 };
@@ -2688,7 +2693,6 @@ static int patch_stac927x(struct hda_codec *codec)
 		spec->mux_nids = stac927x_mux_nids;
 		spec->num_muxes = ARRAY_SIZE(stac927x_mux_nids);
 		spec->num_adcs = ARRAY_SIZE(stac927x_adc_nids);
-		spec->num_dmics = 0;
 		spec->init = d965_core_init;
 		spec->mixer = stac927x_mixer;
 		break;
@@ -2697,7 +2701,6 @@ static int patch_stac927x(struct hda_codec *codec)
 		spec->mux_nids = stac927x_mux_nids;
 		spec->num_muxes = ARRAY_SIZE(stac927x_mux_nids);
 		spec->num_adcs = ARRAY_SIZE(stac927x_adc_nids);
-		spec->num_dmics = 0;
 		spec->init = d965_core_init;
 		spec->mixer = stac927x_mixer;
 		break;
@@ -2706,11 +2709,20 @@ static int patch_stac927x(struct hda_codec *codec)
 		spec->mux_nids = stac927x_mux_nids;
 		spec->num_muxes = ARRAY_SIZE(stac927x_mux_nids);
 		spec->num_adcs = ARRAY_SIZE(stac927x_adc_nids);
-		spec->num_dmics = 0;
 		spec->init = stac927x_core_init;
 		spec->mixer = stac927x_mixer;
 	}
 
+	switch (codec->subsystem_id) {
+	case 0x1028020A: /* STAC 9228 */
+	case 0x10280209: /* STAC 9228 */
+		spec->dmic_nids = stac927x_dmic_nids;
+		spec->num_dmics = STAC927X_NUM_DMICS;
+		break;
+	default:
+		spec->num_dmics = 0;	
+	}
+
 	spec->multiout.dac_nids = spec->dac_nids;
 	/* GPIO0 High = Enable EAPD */
 	spec->gpio_mask = spec->gpio_data = 0x00000001;