commit 333824034a19baf71b2bd5fe2153630982f379b0
author Matt Porter <mporter@embeddedalley.com> Mon Dec 18 13:17:28 2006 +0100
committer Jaroslav Kysela <perex@suse.cz> Fri Feb 09 09:02:30 2007 +0100
tree 14e56aa793bbfe9c9717bcc3490e20496dbf447e
parent cdf88efa03907a884177b226321bb41bc17c407f

[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>

sound/pci/hda/patch_sigmatel.c

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index cbaa00a..4e3fc95 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -1859,6 +1859,18 @@
 
 	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);