At Wed, 18 Aug 2010 19:39:17 -0400, Daniel Chen wrote:

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.

Applied now. Thanks.

Takashi

Best, -Dan [2 0001-ALSA-intel8x0-Mute-External-Amplifier-by-default-for.patch <text/x-patch; US-ASCII (base64)>] From d3c51b1cfd6ffdf56a46f1081d20e0edd6d8891c Mon Sep 17 00:00:00 2001 From: Daniel T Chen crimsun@ubuntu.com 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@parkerg.co.uk Cc: stable@kernel.org Signed-off-by: Daniel T Chen crimsun@ubuntu.com

---

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