Well, looks like it just works. Kudos to Takashi Iwai. Also, now we
don't need to use the "model=imac91" it is just automatic detected.
Before submit the patch I will check if we can get a preset that is
independent of "automute" trick. Also, will make a .deb in my PPA so you
guys can also fix it easily.
This is the patch:
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 89737ae..515b8d0 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5412,6 +5412,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
SND_PCI_QUIRK(0x106b, 0x4000, "MacbookPro 5,1",
ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4100, "Macmini 3,1", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 5,1", ALC885_FIXUP_MACPRO_GPIO),
+ SND_PCI_QUIRK(0x106b, 0x4300, "iMac 9,1", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4600, "MacbookPro 5,2",
ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4900, "iMac 9,1 Aluminum",
ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4a00, "Macbook 5,2", ALC889_FIXUP_IMAC91_VREF),
--
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https://bugs.launchpad.net/bugs/1033233
Title:
[iMac9,1, Realtek ALC889A, Speaker, Internal] No sound at all with
kernel 3.5.0
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