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hda: STAC9228 DMIC

PATCH Applied Matthew Ranostay 3 participants 3 messages Nov 1, 2007 – Nov 5, 2007

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PATCH 1/1 hda: STAC9228 DMIC

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

pci/hda/patch_sigmatel.c +10 -3
diff -r 808153682813 pci/hda/patch_sigmatel.c
@@ -2778,14 +2778,21 @@ static int patch_stac927x(struct hda_cod
 		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);

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#1 lore raw
Quoted 10 lines · Matthew Ranostay

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

------------------------------------------------------------------------

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ACK on this patch. It enables the Dell XPS 1330 built-in digital microphone. External speakers still work, though I have not tested for regressions such as headphone jack sensing.

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Tim Gardner [email protected]