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Subject[patch 085/176] ALSA: HDA: Add subwoofer quirk for Acer Aspire 8942G
2.6.36-stable review patch.  If anyone has any objections, please let us know.

From: David Henningsson <>

commit a6c47a85b8e7e4a8c47394607c5e5c43224b0892 upstream.

According to the reporter, node 0x15 needs to be muted for subwoofer
to stop sounding. This pin is marked as unused by BIOS, so fix that.


Reported-by: Hans Peter
Signed-off-by: David Henningsson <>
Signed-off-by: Takashi Iwai <>
Signed-off-by: Greg Kroah-Hartman <>

sound/pci/hda/patch_realtek.c | 1 +
1 file changed, 1 insertion(+)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -18959,6 +18959,7 @@ static const struct alc_fixup alc662_fix

static struct snd_pci_quirk alc662_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x1025, 0x0308, "Acer Aspire 8942G", ALC662_FIXUP_ASPIRE),
SND_PCI_QUIRK(0x1025, 0x038b, "Acer Aspire 8943G", ALC662_FIXUP_ASPIRE),
SND_PCI_QUIRK(0x144d, 0xc051, "Samsung R720", ALC662_FIXUP_IDEAPAD),
SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo Ideapad Y550P", ALC662_FIXUP_IDEAPAD),

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