Hi, Attached is a patch against master HEAD setting input vref 50% for the ALC262_LENOVO_3000 model. Thanks, Dan
From 8724c1144d54e5a66a65d7d2076d4e29c4c4a774 Mon Sep 17 00:00:00 2001 From: Daniel T Chen <crimsun@xxxxxxxxxx> Date: Sat, 19 Dec 2009 18:19:02 -0500 Subject: [PATCH] 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@xxxxxxxxxx> --- sound/pci/hda/patch_realtek.c | 10 +++++++++- 1 files changed, 9 insertions(+), 1 deletions(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 8ea635a..d718527 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -10787,6 +10787,13 @@ 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 = { @@ -11841,7 +11848,8 @@ 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, -- 1.6.5
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