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Message #142919
[Bug 1504778] [PATCH] ALSA: hda - Fix inverted internal mic on Lenovo G50-80
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
Cc: stable@xxxxxxxxxxxxxxx
BugLink: https://bugs.launchpad.net/bugs/1504778
Signed-off-by: David Henningsson <david.henningsson@xxxxxxxxxxxxx>
---
sound/pci/hda/patch_conexant.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index ca03c40..2f0ec7c 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -819,6 +819,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
SND_PCI_QUIRK(0x17aa, 0x21da, "Lenovo X220", CXT_PINCFG_LENOVO_TP410),
SND_PCI_QUIRK(0x17aa, 0x21db, "Lenovo X220-tablet", CXT_PINCFG_LENOVO_TP410),
SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo IdeaPad Z560", CXT_FIXUP_MUTE_LED_EAPD),
+ 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),
--
1.9.1
--
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https://bugs.launchpad.net/bugs/1504778
Title:
Lenovo G50-80 - Inverted Internal microphone (phase inversion)
Status in alsa-driver package in Ubuntu:
In Progress
Bug description:
Can confirm the bug on Lenovo g50-80.
Alsa-hda-dkms package doesn't help (there is no "Inverted Internal
Mic" entry in alsamixer after reboot).
Removed alsa-hda-dkms and tried "option snd-hda-intel model=auto" but
it doesn't help.
Workaround "mute right channel" works but can it be fixed permanently
(I don't want to manually mute right mic channel every time I use
skype)?
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-30.34~14.04.1-generic 3.19.8-ckt6
Uname: Linux 3.19.0-30-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.15
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC1D0p: nikola 1819 F...m pulseaudio
/dev/snd/controlC1: nikola 1819 F.... pulseaudio
/dev/snd/controlC0: nikola 1819 F.... pulseaudio
CurrentDesktop: KDE
Date: Sat Oct 10 15:31:56 2015
InstallationDate: Installed on 2015-10-06 (3 days ago)
InstallationMedia: Kubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
PackageArchitecture: all
SourcePackage: alsa-driver
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/27/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: B0CN72WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Lenovo G50-80
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo G50-80
dmi.modalias: dmi:bvnLENOVO:bvrB0CN72WW:bd01/27/2015:svnLENOVO:pn80L0:pvrLenovoG50-80:rvnLENOVO:rnLenovoG50-80:rvrNODPK:cvnLENOVO:ct10:cvrLenovoG50-80:
dmi.product.name: 80L0
dmi.product.version: Lenovo G50-80
dmi.sys.vendor: LENOVO
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References