[ALSA] hda: STAC9228 DMIC

Added support for the dmics and enabled EAPD for several laptops with
STAC9228 cards.

Signed-off-by: Matthew Ranostay <mranostay@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 10 insertions, 3 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 876e1d493239..4dc09ef899bf 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2723,14 +2723,21 @@ static int patch_stac927x(struct hda_codec *codec)
                 spec->dmic_nids = stac927x_dmic_nids;
                 spec->num_dmics = STAC927X_NUM_DMICS;
                 spec->dmux_nid = 0x1b;
+
+                /* Enable DMIC0 */
+                stac92xx_set_config_reg(codec, 0x13, 0x90a60040);
+
+                /* GPIO2 High = Enable EAPD */
+                spec->gpio_mask = spec->gpio_data = 0x00000004;
                 break;
         default:
-                spec->num_dmics = 0;    
+                spec->num_dmics = 0;
+
+                /* GPIO0 High = Enable EAPD */
+                spec->gpio_mask = spec->gpio_data = 0x00000001;
         }
 
         spec->multiout.dac_nids = spec->dac_nids;
-        /* GPIO0 High = Enable EAPD */
-        spec->gpio_mask = spec->gpio_data = 0x00000001;
         stac92xx_enable_gpio_mask(codec); 
         
         err = stac92xx_parse_auto_config(codec, 0x1e, 0x20);