mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

[ALSA] hda: add eapd support to additional idt codecs 

Added support for EAPD on the 927x, and 9227-8 IDT HDA codecs.
Enabling EAPD powers the internal speaker amp otherwise there is no
sound on systems with an internal amp.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Matthew Ranostay 2007-06-19 16:48:28 +02:00 committed by Jaroslav Kysela
parent 76c0882870
commit 92a22beb75
1 changed files with 18 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
sound/pci/hda/patch_sigmatel.c
View File

@ -844,6 +844,21 @@ static void stac92xx_set_config_regs(struct hda_codec *codec)
}
}
static void stac92xx_enable_eapd(struct hda_codec *codec)
{
/* Configure GPIO0 as 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);
}
/*
* Analog playback callbacks
*/
@ -2205,7 +2220,8 @@ static int patch_stac927x(struct hda_codec *codec)
}
spec->multiout.dac_nids = spec->dac_nids;
stac92xx_enable_eapd(codec);
err = stac92xx_parse_auto_config(codec, 0x1e, 0x20);
if (!err) {
if (spec->board_config < 0) {
@ -2273,18 +2289,7 @@ static int patch_stac9205(struct hda_codec *codec)
spec->mixer = stac9205_mixer;
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);
stac92xx_enable_eapd(codec);
err = stac92xx_parse_auto_config(codec, 0x1f, 0x20);
if (!err) {