[039/105] ALSA: HDA: Add dock mic quirk for Lenovo Thinkpad X220

[Greg KH]

2.6.38-stable review patch.  If anyone has any objections, please let us know.

------------------

From: David Henningsson <david.henningsson@xxxxxxxxxxxxx>

commit 840126579da56edae8ecc4a0d85198f742982f10 upstream.

This quirk is needed for the docking station mic of
Lenovo Thinkpad X220 to function correctly.

BugLink: http://bugs.launchpad.net/bugs/746259
Tested-by: James Ferguson <james.ferguson@xxxxxxxxxxxxx>
Signed-off-by: David Henningsson <david.henningsson@xxxxxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 sound/pci/hda/patch_conexant.c |    1 +
 1 file changed, 1 insertion(+)

--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -3130,6 +3130,7 @@ static struct snd_pci_quirk cxt5066_cfg_
 	SND_PCI_QUIRK(0x17aa, 0x21c5, "Thinkpad Edge 13", CXT5066_THINKPAD),
 	SND_PCI_QUIRK(0x17aa, 0x21c6, "Thinkpad Edge 13", CXT5066_ASUS),
  	SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo Thinkpad", CXT5066_THINKPAD),
+	SND_PCI_QUIRK(0x17aa, 0x21da, "Lenovo X220", CXT5066_THINKPAD),
 	SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo G560", CXT5066_ASUS),
 	SND_PCI_QUIRK_VENDOR(0x17aa, "Lenovo", CXT5066_IDEAPAD), /* Fallback for Lenovos without dock mic */
 	{}


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