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Date:	Tue,  8 Mar 2016 16:28:42 -0800
From:	Kamal Mostafa <>
Cc:	Takashi Iwai <>, Kamal Mostafa <>
Subject: [PATCH 3.19.y-ckt 064/196] Revert "ALSA: hda - Fix noise on Gigabyte Z170X mobo"

3.19.8-ckt16 -stable review patch.  If anyone has any objections, please let me know.


From: Takashi Iwai <>

commit 6c361d10e0eb859233c71954abcd20d2d8700587 upstream.

This reverts commit 0c25ad80408e95e0a4fbaf0056950206e95f726f.

The original commit disabled the aamixer path due to the noise
problem, but it turned out that some mobo with the same PCI SSID
doesn't suffer from the issue, and the disabled function (analog
loopback) is still demanded by users.

Since the recent commit [e7fdd52779a6: ALSA: hda - Implement loopback
control switch for Realtek and other codecs], we have the dynamic
mixer switch to enable/disable the aamix path, and we don't have to
disable the path statically any longer.  So, let's revert the
disablement, so that only the user suffering from the noise problem
can turn off the aamix on the fly.

Reported-by: <>
Signed-off-by: Takashi Iwai <>
Signed-off-by: Kamal Mostafa <>
 sound/pci/hda/patch_realtek.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 2515f5a..bd85da0 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1769,7 +1769,6 @@ enum {
 static void alc889_fixup_coef(struct hda_codec *codec,
@@ -1931,8 +1930,6 @@ static void alc882_fixup_no_primary_hp(struct hda_codec *codec,
 static void alc_fixup_bass_chmap(struct hda_codec *codec,
 				 const struct hda_fixup *fix, int action);
-static void alc_fixup_disable_aamix(struct hda_codec *codec,
-				    const struct hda_fixup *fix, int action);
 static const struct hda_fixup alc882_fixups[] = {
@@ -2170,10 +2167,6 @@ static const struct hda_fixup alc882_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc_fixup_bass_chmap,
-		.type = HDA_FIXUP_FUNC,
-		.v.func = alc_fixup_disable_aamix,
-	},
 static const struct snd_pci_quirk alc882_fixup_tbl[] = {
@@ -2241,7 +2234,6 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD),
 	SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte EP45-DS3/Z87X-UD3H", ALC889_FIXUP_FRONT_HP_NO_PRESENCE),
-	SND_PCI_QUIRK(0x1458, 0xa182, "Gigabyte Z170X-UD3", ALC882_FIXUP_DISABLE_AAMIX),
 	SND_PCI_QUIRK(0x147b, 0x107a, "Abit AW9D-MAX", ALC882_FIXUP_ABIT_AW9D_MAX),
 	SND_PCI_QUIRK_VENDOR(0x1558, "Clevo laptop", ALC882_FIXUP_EAPD),
 	SND_PCI_QUIRK(0x161f, 0x2054, "Medion laptop", ALC883_FIXUP_EAPD),

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