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ALSA: hda: add support for jack detection on IDT/Sigmatel

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Added support for jack detection reporting to userspace for
IDT/Sigmatel codecs.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Matthew Ranostay 2008-10-15 14:45:38 -04:00 committed by Takashi Iwai
parent ec4e86ba06
commit 45a6ac16c2
2 changed files with 14 additions and 1 deletions
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1
sound/pci/Kconfig
View file

@ -501,6 +501,7 @@ config SND_HDA_INTEL
tristate "Intel HD Audio"
select SND_PCM
select SND_VMASTER
select SND_JACK if INPUT=y || INPUT=SND
help
Say Y here to include support for Intel "High Definition
Audio" (Azalia) motherboard devices.

14
sound/pci/hda/patch_sigmatel.c
View file

@ -30,6 +30,7 @@
#include <linux/pci.h>
#include <sound/core.h>
#include <sound/asoundef.h>
#include <sound/jack.h>
#include "hda_codec.h"
#include "hda_local.h"
#include "hda_patch.h"
@ -216,6 +217,9 @@ struct sigmatel_spec {
struct hda_pcm pcm_rec[2]; /* PCM information */
/* jack detection */
struct snd_jack *jack;
/* dynamic controls and input_mux */
struct auto_pin_cfg autocfg;
unsigned int num_kctl_alloc, num_kctl_used;
@ -3617,7 +3621,7 @@ static int stac92xx_init(struct hda_codec *codec)
{
struct sigmatel_spec *spec = codec->spec;
struct auto_pin_cfg *cfg = &spec->autocfg;
int i;
int i, err;
snd_hda_sequence_write(codec, spec->init);
@ -3639,6 +3643,12 @@ static int stac92xx_init(struct hda_codec *codec)
stac92xx_auto_set_pinctl(codec, spec->autocfg.line_out_pins[0],
AC_PINCTL_OUT_EN);
stac92xx_auto_init_hp_out(codec);
/* jack detection */
err = snd_jack_new(codec->bus->card,
"Headphone Jack",
SND_JACK_HEADPHONE, &spec->jack);
if (err < 0)
return err;
/* fake event to set up pins */
codec->patch_ops.unsol_event(codec, STAC_HP_EVENT << 26);
} else {
@ -3796,6 +3806,8 @@ static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res)
break;
presence = get_hp_pin_presence(codec, cfg->hp_pins[i]);
}
snd_jack_report(spec->jack,
presence ? SND_JACK_HEADPHONE : 0);
if (presence) {
/* disable lineouts, enable hp */