From: Daniel T Chen <crimsun@ubuntu.com>
Date: Wed, 18 Aug 2010 23:33:43 +0000 (-0400)
Subject: ALSA: intel8x0: Mute External Amplifier by default for ThinkPad X31
X-Git-Tag: v2.6.35.4~25
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e7d2aabc6f8b9b465c7f52bb119a89cf9717f817;p=thirdparty%2Fkernel%2Fstable.git

ALSA: intel8x0: Mute External Amplifier by default for ThinkPad X31

commit 9c77b846ec8b4e0c7107dd7f820172462dc84a61 upstream.

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>
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 6433e65c9507d..4677492495764 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -1774,6 +1774,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
 		.name = "HP/Compaq nx7010",
 		.type = AC97_TUNE_MUTE_LED
         },
+	{
+		.subvendor = 0x1014,
+		.subdevice = 0x0534,
+		.name = "ThinkPad X31",
+		.type = AC97_TUNE_INV_EAPD
+	},
 	{
 		.subvendor = 0x1014,
 		.subdevice = 0x1f00,