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ALSA: hda: Set Front Mic to input vref 50% for Lenovo 3000 Y410 

BugLink: https://bugs.launchpad.net/bugs/479373

The OR has verified with hda-verb that the internal microphone needs
VREF50 set for audible capture.

Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Daniel T Chen 2009-12-19 18:19:02 -05:00 committed by Takashi Iwai
parent 2fef62c825
commit e2595322a3
1 changed files with 9 additions and 1 deletions
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10
sound/pci/hda/patch_realtek.c
View File

@ -10686,6 +10686,13 @@ static struct hda_verb alc262_lenovo_3000_unsol_verbs[] = {
{}
};
static struct hda_verb alc262_lenovo_3000_init_verbs[] = {
/* Front Mic pin: input vref at 50% */
{0x19, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF50},
{0x19, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
{}
};
static struct hda_input_mux alc262_fujitsu_capture_source = {
.num_items = 3,
.items = {
@ -11728,7 +11735,8 @@ static struct alc_config_preset alc262_presets[] = {
[ALC262_LENOVO_3000] = {
.mixers = { alc262_lenovo_3000_mixer },
.init_verbs = { alc262_init_verbs, alc262_EAPD_verbs,
alc262_lenovo_3000_unsol_verbs },
alc262_lenovo_3000_unsol_verbs,
alc262_lenovo_3000_init_verbs },
.num_dacs = ARRAY_SIZE(alc262_dac_nids),
.dac_nids = alc262_dac_nids,
.hp_nid = 0x03,