[PATCH] hda: STAC9228 DMIC

[PATCH] hda: STAC9228 DMIC

[Matthew Ranostay]

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Added support for the dmics and enabled EAPD for several laptops with 
STAC9228 cards.
---
Signed-off-by:  Matthew Ranostay <mranostay@gmail.com>

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diff -r 808153682813 pci/hda/patch_sigmatel.c
--- a/pci/hda/patch_sigmatel.c	Fri Oct 26 15:10:15 2007 +0200
+++ b/pci/hda/patch_sigmatel.c	Thu Nov 01 15:46:17 2007 -0500
@@ -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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Re: [PATCH] hda: STAC9228 DMIC

[Tim Gardner]

Matthew Ranostay wrote:
> Added support for the dmics and enabled EAPD for several laptops with 
> STAC9228 cards.
> ---
> Signed-off-by:  Matthew Ranostay <mranostay@gmail.com>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel@alsa-project.org
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel

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.

-- 
Tim Gardner tim.gardner@ubuntu.com

Re: [PATCH] hda: STAC9228 DMIC

[Takashi Iwai]

At Thu, 01 Nov 2007 16:51:00 -0400,
Matthew Ranostay wrote:
> 
> [1  <text/plain; ISO-8859-1 (7bit)>]
> Added support for the dmics and enabled EAPD for several laptops with 
> STAC9228 cards.
> ---
> Signed-off-by:  Matthew Ranostay <mranostay@gmail.com>

Thanks, applied to HG tree now.


Takashi