2 files changed, 16 insertions, 3 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 8cbe3bf1e317..dacabe52a41c 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/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" },
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 04012237096c..86cd3f67b9fb 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/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;