1 files changed, 34 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 654c8f16d150..6b38ec3c6e57 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2782,6 +2782,27 @@ static int alc269_parse_auto_config(struct hda_codec *codec)
 	return alc_parse_auto_config(codec, alc269_ignore, ssids);
 }
 
+static int find_ext_mic_pin(struct hda_codec *codec);
+
+static void alc286_shutup(struct hda_codec *codec)
+{
+	int i;
+	int mic_pin = find_ext_mic_pin(codec);
+	/* don't shut up pins when unloading the driver; otherwise it breaks
+	 * the default pin setup at the next load of the driver
+	 */
+	if (codec->bus->shutdown)
+		return;
+	for (i = 0; i < codec->init_pins.used; i++) {
+		struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
+		/* use read here for syncing after issuing each verb */
+		if (pin->nid != mic_pin)
+			snd_hda_codec_read(codec, pin->nid, 0,
+					AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
+	}
+	codec->pins_shutup = 1;
+}
+
 static void alc269vb_toggle_power_output(struct hda_codec *codec, int power_up)
 {
 	int val = alc_read_coef_idx(codec, 0x04);
@@ -4072,7 +4093,7 @@ static unsigned int alc_power_filter_xps13(struct hda_codec *codec,
 
 	/* Avoid pop noises when headphones are plugged in */
 	if (spec->gen.hp_jack_present)
-		if (nid == codec->afg || nid == 0x02)
+		if (nid == codec->afg || nid == 0x02 || nid == 0x15)
 			return AC_PWRST_D0;
 	return power_state;
 }
@@ -4082,8 +4103,19 @@ static void alc_fixup_dell_xps13(struct hda_codec *codec,
 {
 	if (action == HDA_FIXUP_ACT_PROBE) {
 		struct alc_spec *spec = codec->spec;
+		struct hda_input_mux *imux = &spec->gen.input_mux;
+		int i;
+
 		spec->shutup = alc_no_shutup;
 		codec->power_filter = alc_power_filter_xps13;
+
+		/* Make the internal mic the default input source. */
+		for (i = 0; i < imux->num_items; i++) {
+			if (spec->gen.imux_pins[i] == 0x12) {
+				spec->gen.cur_mux[0] = i;
+				break;
+			}
+		}
 	}
 }
 
@@ -5384,6 +5416,7 @@ static int patch_alc269(struct hda_codec *codec)
 	case 0x10ec0286:
 	case 0x10ec0288:
 		spec->codec_variant = ALC269_TYPE_ALC286;
+		spec->shutup = alc286_shutup;
 		break;
 	case 0x10ec0255:
 		spec->codec_variant = ALC269_TYPE_ALC255;