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Patch "ALSA: hda - Fixup inverted internal mic for Lenovo E50-80" has been added to the 4.3-stable tree

PATCH [email protected] 1 participant 1 message Jan 26, 2016

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This is a note to let you know that I've just added the patch titled

ALSA: hda - Fixup inverted internal mic for Lenovo E50-80

to the 4.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
alsa-hda-fixup-inverted-internal-mic-for-lenovo-e50-80.patch
and it can be found in the queue-4.3 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From 56f27013482c0803d978b667fe85de04ce9357cd Mon Sep 17 00:00:00 2001

From: David Henningsson <[email protected]>
Date: Mon, 11 Jan 2016 09:33:14 +0100
Subject: ALSA: hda - Fixup inverted internal mic for Lenovo E50-80

From: David Henningsson <[email protected]>

commit 56f27013482c0803d978b667fe85de04ce9357cd upstream.

Inform userspace that one channel of the internal mic has reversed polarity, so it does not attempt to add both channels together and end up with silence.

Reported-by Andrzej Mendel <[email protected]>

Alsa-info: http://www.alsa-project.org/db/?f=3088f82a0cf977855f92af9db8ad406c04f71efa

BugLink https://bugs.launchpad.net/bugs/1529624
Signed-off-by David Henningsson <[email protected]>
Signed-off-by Takashi Iwai <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 sound/pci/hda/patch_realtek.c |    8 ++++++++
 1 file changed, 8 insertions(+)
sound/pci/hda/patch_realtek.c +8 -0
@@ -4676,6 +4676,7 @@ enum {
 	ALC290_FIXUP_SUBWOOFER,
 	ALC290_FIXUP_SUBWOOFER_HSJACK,
 	ALC269_FIXUP_THINKPAD_ACPI,
+	ALC269_FIXUP_DMIC_THINKPAD_ACPI,
 	ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
 	ALC255_FIXUP_DELL2_MIC_NO_PRESENCE,
 	ALC255_FIXUP_HEADSET_MODE,

@@ -5113,6 +5114,12 @@ static const struct hda_fixup alc269_fix
 		.type = HDA_FIXUP_FUNC,
 		.v.func = hda_fixup_thinkpad_acpi,
 	},
+	[ALC269_FIXUP_DMIC_THINKPAD_ACPI] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc_fixup_inv_dmic,
+		.chained = true,
+		.chain_id = ALC269_FIXUP_THINKPAD_ACPI,
+	},
 	[ALC255_FIXUP_DELL1_MIC_NO_PRESENCE] = {
 		.type = HDA_FIXUP_PINS,
 		.v.pins = (const struct hda_pintbl[]) {

@@ -5467,6 +5474,7 @@ static const struct snd_pci_quirk alc269
 	SND_PCI_QUIRK(0x17aa, 0x2226, "ThinkPad X250", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x2233, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE),
 	SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
+	SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
 	SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
 	SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP),
 	SND_PCI_QUIRK(0x17aa, 0x5013, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),

Patches currently in stable-queue which might be from [email protected] are

queue-4.3/alsa-hda-fix-headphone-mic-input-on-a-few-dell-alc293-machines.patch queue-4.3/alsa-hda-fixup-inverted-internal-mic-for-lenovo-e50-80.patch queue-4.3/alsa-hda-add-inverted-dmic-for-packard-bell-dots.patch