leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[ALSA] hda-codec - Avoid wrong speaker-auto mute via mic jack

Browse Source 
When a mic jack is set up as the multiple I/O, it may issue the automute
function wrongly.  This patch fixes the wrong automute detection.

Signed-off-by: Jiang Zhe <zhe.jiang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jiang Zhe 2007-11-12 13:05:16 +01:00 committed by Jaroslav Kysela
parent bcecd9bd96
commit 40c1d30871
1 changed files with 19 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
sound/pci/hda/patch_sigmatel.c
View File

@ -1600,6 +1600,13 @@ static int stac92xx_io_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_
pinctl |= stac92xx_get_vref(codec, nid);
stac92xx_auto_set_pinctl(codec, nid, pinctl);
}
/* check the auto-mute again: we need to mute/unmute the speaker
* appropriately according to the pin direction
*/
if (spec->hp_detect)
codec->patch_ops.unsol_event(codec, STAC_HP_EVENT << 26);
return 1;
}
@ -2483,13 +2490,20 @@ static void stac92xx_reset_pinctl(struct hda_codec *codec, hda_nid_t nid,
pin_ctl & ~flag);
}
static int get_pin_presence(struct hda_codec *codec, hda_nid_t nid)
static int get_hp_pin_presence(struct hda_codec *codec, hda_nid_t nid)
{
if (!nid)
return 0;
if (snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_SENSE, 0x00)
& (1 << 31))
return 1;
& (1 << 31)) {
unsigned int pinctl;
pinctl = snd_hda_codec_read(codec, nid, 0,
AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
if (pinctl & AC_PINCTL_IN_EN)
return 0; /* mic- or line-input */
else
return 1; /* HP-output */
}
return 0;
}
@ -2501,7 +2515,7 @@ static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res)
presence = 0;
for (i = 0; i < cfg->hp_outs; i++) {
presence = get_pin_presence(codec, cfg->hp_pins[i]);
presence = get_hp_pin_presence(codec, cfg->hp_pins[i]);
if (presence)
break;
}
@ -3179,7 +3193,7 @@ static int stac9872_vaio_init(struct hda_codec *codec)
static void stac9872_vaio_hp_detect(struct hda_codec *codec, unsigned int res)
{
if (get_pin_presence(codec, 0x0a)) {
if (get_hp_pin_presence(codec, 0x0a)) {
stac92xx_reset_pinctl(codec, 0x0f, AC_PINCTL_OUT_EN);
stac92xx_set_pinctl(codec, 0x0a, AC_PINCTL_OUT_EN);
} else {