ALSA: hda/realtek - Support Dell headset mode for ALC3271

Add DELL4_MIC_NO_PRESENCE model.
Add the pin configuration value of this machine into the pin_quirk
table to make DELL4_MIC_NO_PRESENCE apply to this machine.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -5105,6 +5105,7 @@ enum {
 	ALC269_FIXUP_DELL1_MIC_NO_PRESENCE,
 	ALC269_FIXUP_DELL2_MIC_NO_PRESENCE,
 	ALC269_FIXUP_DELL3_MIC_NO_PRESENCE,
+	ALC269_FIXUP_DELL4_MIC_NO_PRESENCE,
 	ALC269_FIXUP_HEADSET_MODE,
 	ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC,
 	ALC269_FIXUP_ASPIRE_HEADSET_MIC,
@@ -5405,6 +5406,16 @@ static const struct hda_fixup alc269_fixups[] = {
 		.chained = true,
 		.chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC
 	},
+	[ALC269_FIXUP_DELL4_MIC_NO_PRESENCE] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = (const struct hda_pintbl[]) {
+			{ 0x19, 0x01a1913c }, /* use as headset mic, without its own jack detect */
+			{ 0x1b, 0x01a1913d }, /* use as headphone mic, without its own jack detect */
+			{ }
+		},
+		.chained = true,
+		.chain_id = ALC269_FIXUP_HEADSET_MODE
+	},
 	[ALC269_FIXUP_HEADSET_MODE] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc_fixup_headset_mode,
@@ -6535,6 +6546,11 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
 		{0x17, 0x90170110},
 		{0x1a, 0x03011020},
 		{0x21, 0x03211030}),
+	SND_HDA_PIN_QUIRK(0x10ec0299, 0x1028, "Dell", ALC269_FIXUP_DELL4_MIC_NO_PRESENCE,
+		ALC225_STANDARD_PINS,
+		{0x12, 0xb7a60130},
+		{0x13, 0xb8a60140},
+		{0x17, 0x90170110}),
 	{}
 };