Patch "ALSA: hda - Fix headset support and noise on HP EliteBook 755 G2" has been added to the 4.4-stable tree

[<gregkh@linuxfoundation.org>]

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

    ALSA: hda - Fix headset support and noise on HP EliteBook 755 G2

to the 4.4-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-fix-headset-support-and-noise-on-hp-elitebook-755-g2.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From f883982dc1b117f04579f0896821cd9f2e397f94 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 25 Feb 2016 14:31:59 +0100
Subject: ALSA: hda - Fix headset support and noise on HP EliteBook 755 G2

From: Takashi Iwai <tiwai@suse.de>

commit f883982dc1b117f04579f0896821cd9f2e397f94 upstream.

HP EliteBook 755 G2 with ALC3228 (ALC280) codec [103c:221c] requires
the known fixup (ALC269_FIXUP_HEADSET_MIC) for making the headset mic
working.  Also, it suffers from the loopback noise problem, so we
should disable aamix path as well.

Reported-by: Derick Eddington <derick.eddington@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/pci/hda/patch_realtek.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4758,6 +4758,7 @@ enum {
 	ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY,
 	ALC255_FIXUP_DELL_SPK_NOISE,
 	ALC225_FIXUP_DELL1_MIC_NO_PRESENCE,
+	ALC280_FIXUP_HP_HEADSET_MIC,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -5394,6 +5395,12 @@ static const struct hda_fixup alc269_fix
 		.chained = true,
 		.chain_id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE
 	},
+	[ALC280_FIXUP_HP_HEADSET_MIC] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc_fixup_disable_aamix,
+		.chained = true,
+		.chain_id = ALC269_FIXUP_HEADSET_MIC,
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -5498,6 +5505,7 @@ static const struct snd_pci_quirk alc269
 	SND_PCI_QUIRK(0x103c, 0x2335, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1),
 	SND_PCI_QUIRK(0x103c, 0x2336, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1),
 	SND_PCI_QUIRK(0x103c, 0x2337, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1),
+	SND_PCI_QUIRK(0x103c, 0x221c, "HP EliteBook 755 G2", ALC280_FIXUP_HP_HEADSET_MIC),
 	SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300),
 	SND_PCI_QUIRK(0x1043, 0x106d, "Asus K53BE", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
 	SND_PCI_QUIRK(0x1043, 0x115d, "Asus 1015E", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),


Patches currently in stable-queue which might be from tiwai@suse.de are

queue-4.4/alsa-hda-asus-n750jv-external-subwoofer-fixup.patch
queue-4.4/alsa-hda-fixup-speaker-pass-through-control-for-nid-0x14-on-alc225.patch
queue-4.4/alsa-hda-fix-headset-support-and-noise-on-hp-elitebook-755-g2.patch
queue-4.4/alsa-usb-audio-skip-volume-controls-triggers-hangup-on-dell-usb-dock.patch
queue-4.4/alsa-hda-fix-white-noise-on-asus-n750jv-headphone.patch
queue-4.4/alsa-hda-fix-front-mic-problem-for-a-hp-desktop.patch
queue-4.4/alsa-usb-audio-add-a-sample-rate-quirk-for-phoenix-audio-tmx320.patch
queue-4.4/alsa-timer-use-mod_timer-for-rearming-the-system-timer.patch
queue-4.4/alsa-hda-apply-fix-for-white-noise-on-asus-n550jv-too.patch
queue-4.4/alsa-hda-realtek-enable-the-alc292-dock-fixup-on-the-thinkpad-t460s.patch
queue-4.4/alsa-usb-audio-add-a-quirk-for-plantronics-bt300.patch