From: Matt Porter <mporter@embeddedalley.com>
Date: Mon, 18 Dec 2006 12:17:28 +0000 (+0100)
Subject: [ALSA] hda: add sigmatel 9205 eapd support
X-Git-Tag: v2.6.21-rc1~83^2~62^2~89
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=333824034a19baf71b2bd5fe2153630982f379b0;p=linux-2.6

[ALSA] hda: add sigmatel 9205 eapd support

Adds support for handling EAPD on 9205 codecs

Signed-off-by: Matt Porter <mporter@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
---

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index cbaa00aa5b..4e3fc95b7b 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -1859,6 +1859,18 @@ static int patch_stac9205(struct hda_codec *codec)
 
 	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);