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From: Matt Porter <mporter@embeddedalley.com>
To: alsa-devel@alsa-project.org, tiwai@suse.de
Subject: [PATCH] hda: add sigmatel 9205 eapd support
Date: Fri, 15 Dec 2006 16:08:59 -0600	[thread overview]
Message-ID: <20061215220859.GA31145@gate.crashing.org> (raw)

Adds support for handling EAPD on 9205 codecs

Signed-off-by: Matt Porter <mporter@embeddedalley.com>

diff -r cdbbd773cd9e pci/hda/patch_sigmatel.c
--- a/pci/hda/patch_sigmatel.c	Wed Dec 13 11:21:55 2006 +0000
+++ b/pci/hda/patch_sigmatel.c	Wed Dec 13 15:19:46 2006 -0500
@@ -1859,6 +1859,18 @@ static int patch_stac9205(struct hda_cod
 
 	spec->multiout.dac_nids = spec->dac_nids;
 
+	/* Configure GPIO0 as EAPD output */
+	snd_hda_codec_write(codec, codec->afg, 0,
+			    AC_VERB_SET_GPIO_DIRECTION, 0x00000001);
+	/* Configure GPIO0 as CMOS */
+	snd_hda_codec_write(codec, codec->afg, 0, 0x7e7, 0x00000000);
+	/* Assert GPIO0 high */
+	snd_hda_codec_write(codec, codec->afg, 0,
+			    AC_VERB_SET_GPIO_DATA, 0x00000001);
+	/* Enable GPIO0 */
+	snd_hda_codec_write(codec, codec->afg, 0,
+			    AC_VERB_SET_GPIO_MASK, 0x00000001);
+
 	err = stac92xx_parse_auto_config(codec, 0x1f, 0x20);
 	if (err < 0) {
 		stac92xx_free(codec);

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             reply	other threads:[~2006-12-15 22:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-15 22:08 Matt Porter [this message]
2006-12-19 10:32 ` [PATCH] hda: add sigmatel 9205 eapd support Takashi Iwai

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