Hi, Please apply the following patch (applicable to all stable linux releases, too) against current sound-2.6 to make audio audible by default for this model ThinkPad. Best, -Dan
From d3c51b1cfd6ffdf56a46f1081d20e0edd6d8891c Mon Sep 17 00:00:00 2001 From: Daniel T Chen <crimsun@xxxxxxxxxx> Date: Wed, 18 Aug 2010 19:33:43 -0400 Subject: [PATCH] ALSA: intel8x0: Mute External Amplifier by default for ThinkPad X31 BugLink: https://bugs.launchpad.net/bugs/619439 This ThinkPad model needs External Amplifier muted for audible playback, so set the inv_eapd quirk for it. Reported-and-tested-by: Dennis Bell <dennis.bell@xxxxxxxxxxxxx> Cc: <stable@xxxxxxxxxx> Signed-off-by: Daniel T Chen <crimsun@xxxxxxxxxx> --- sound/pci/intel8x0.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index 6433e65..4677492 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -1776,6 +1776,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = { }, { .subvendor = 0x1014, + .subdevice = 0x0534, + .name = "ThinkPad X31", + .type = AC97_TUNE_INV_EAPD + }, + { + .subvendor = 0x1014, .subdevice = 0x1f00, .name = "MS-9128", .type = AC97_TUNE_ALC_JACK -- 1.7.0.4
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