linux-kernel - [PATCH 3.2 29/60] ALSA: hda - Fix inverted internal mic on Lenovo G50-80

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Message-ID: <lsq.1447551945.549281291@decadent.org.uk>
Date:	Sun, 15 Nov 2015 01:45:45 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "Takashi Iwai" <tiwai@...e.de>,
	"David Henningsson" <david.henningsson@...onical.com>
Subject: [PATCH 3.2 29/60] ALSA: hda - Fix inverted internal mic on Lenovo
 G50-80

3.2.73-rc1 review patch.  If anyone has any objections, please let me know.

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

From: David Henningsson <david.henningsson@...onical.com>

commit e8d65a8d985271a102f07c7456da5b86c19ffe16 upstream.

Add the appropriate quirk to indicate the Lenovo G50-80 has a stereo
mic input where one channel has reverse polarity.

Alsa-info available at:
https://launchpadlibrarian.net/220846272/AlsaInfo.txt

BugLink: https://bugs.launchpad.net/bugs/1504778
Signed-off-by: David Henningsson <david.henningsson@...onical.com>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 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
@@ -4495,6 +4495,7 @@ static const struct snd_pci_quirk cxt506
 	SND_PCI_QUIRK(0x17aa, 0x215f, "Lenovo T510", CXT_PINCFG_LENOVO_TP410),
 	SND_PCI_QUIRK(0x17aa, 0x21ce, "Lenovo T420", CXT_PINCFG_LENOVO_TP410),
 	SND_PCI_QUIRK(0x17aa, 0x21cf, "Lenovo T520", CXT_PINCFG_LENOVO_TP410),
+	SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC),
 	SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
 	SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC),
 	SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC),

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