From: Daniel T Chen <crimsun@ubuntu.com>
Date: Sat, 19 Dec 2009 23:19:02 +0000 (-0500)
Subject: ALSA: hda: Set Front Mic to input vref 50% for Lenovo 3000 Y410
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=e2595322a3a353a59cecd7f57e7aa421ecb02d12;p=openwrt%2Fstaging%2Fblogic.git

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>
---

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 84bc2c7c4421..1554c3a6fd2e 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -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,