--- patch_realtek.c	2019-08-13 21:40:03.786677925 +0300
+++ patch_realtek.c	2019-08-22 23:21:33.425060594 +0300
@@ -8256,6 +8256,21 @@
 	}
 }
 
+static void alc662_aspire_ethos_automute_hook(struct hda_codec *codec,
+					 struct hda_jack_callback *jack)
+{
+	struct alc_spec *spec = codec->spec;
+	printk("AUTOMUTE HOOK: jack presence %d\n", spec->gen.hp_jack_present);
+}
+
+static void alc662_fixup_aspire_ethos_hp(struct hda_codec *codec,
+				     const struct hda_fixup *fix, int action)
+{
+	struct alc_spec *spec = codec->spec;
+	if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+		spec->gen.hp_automute_hook = alc662_aspire_ethos_automute_hook;
+	}
+}
 static struct coef_fw alc668_coefs[] = {
 	WRITE_COEF(0x01, 0xbebe), WRITE_COEF(0x02, 0xaaaa), WRITE_COEF(0x03,    0x0),
 	WRITE_COEF(0x04, 0x0180), WRITE_COEF(0x06,    0x0), WRITE_COEF(0x07, 0x0f80),
@@ -8327,6 +8342,8 @@
 	ALC662_FIXUP_USI_FUNC,
 	ALC662_FIXUP_USI_HEADSET_MODE,
 	ALC662_FIXUP_LENOVO_MULTI_CODECS,
+	ALC669_FIXUP_ACER_ASPIRE_ETHOS,
+	ALC669_FIXUP_ACER_ASPIRE_ETHOS_HEADSET,
 };
 
 static const struct hda_fixup alc662_fixups[] = {
@@ -8653,6 +8670,22 @@
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc233_alc662_fixup_lenovo_dual_codecs,
 	},
+	[ALC669_FIXUP_ACER_ASPIRE_ETHOS_HEADSET] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc662_fixup_aspire_ethos_hp,
+	},
+	[ALC669_FIXUP_ACER_ASPIRE_ETHOS] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = (const struct hda_pintbl[]) {
+			{ 0x15, 0x92130110 }, /* internal speakers front left/right */
+			{ 0x18, 0x99130111 }, /* internal speaker center */
+			{ 0x1b, 0xd1130012 }, /* internal speakers rear plus HP out */
+			{ 0x19, 0x13a10023 }, /* external microphone jack */
+			{ }
+		},
+        .chained = true,
+        .chain_id = ALC669_FIXUP_ACER_ASPIRE_ETHOS_HEADSET
+	},
 };
 
 static const struct snd_pci_quirk alc662_fixup_tbl[] = {
@@ -8698,6 +8731,7 @@
 	SND_PCI_QUIRK(0x19da, 0xa130, "Zotac Z68", ALC662_FIXUP_ZOTAC_Z68),
 	SND_PCI_QUIRK(0x1b0a, 0x01b8, "ACER Veriton", ALC662_FIXUP_ACER_VERITON),
 	SND_PCI_QUIRK(0x1b35, 0x2206, "CZC P10T", ALC662_FIXUP_CZC_P10T),
+	SND_PCI_QUIRK(0x1025, 0x0566, "Acer Aspire 8951G", ALC669_FIXUP_ACER_ASPIRE_ETHOS),
 
 #if 0
 	/* Below is a quirk table taken from the old code.
@@ -8791,6 +8825,7 @@
 	{.id = ALC892_FIXUP_ASROCK_MOBO, .name = "asrock-mobo"},
 	{.id = ALC662_FIXUP_USI_HEADSET_MODE, .name = "usi-headset"},
 	{.id = ALC662_FIXUP_LENOVO_MULTI_CODECS, .name = "dual-codecs"},
+	{.id = ALC669_FIXUP_ACER_ASPIRE_ETHOS, .name = "aspire-ethos"},
 	{}
 };