diff --git a/dev/pci/azalia.h b/dev/pci/azalia.h
index 8dd7641..2d3ce3a 100644
--- a/dev/pci/azalia.h
+++ b/dev/pci/azalia.h
@@ -516,6 +516,7 @@
 #define AZ_QRK_WID_CLOSE_PCBEEP 0x00080000
+#define AZ_QRK_WID_HEADSET	0x00100000
 #define AZ_QRK_ROUTE_SPKR2_DAC	0x01000000
 #define AZ_QRK_DOLBY_ATMOS	0x02000000
 
 /* memory-mapped types */
 typedef struct {
diff --git a/dev/pci/azalia_codec.c b/dev/pci/azalia_codec.c
index 05d157b..8046b3b 100644
--- a/dev/pci/azalia_codec.c
+++ b/dev/pci/azalia_codec.c
@@ -100,6 +100,8 @@ azalia_codec_init_vtbl(codec_t *this)
 		break;
 	case 0x10ec0255:
 		this->name = "Realtek ALC255";
+		if (this->subid == 0x193e10cf)
+			this->qrks |= AZ_QRK_WID_HEADSET;
 		break;
 	case 0x10ec0256:
 		this->name = "Realtek ALC256";
@@ -747,6 +749,9 @@ azalia_unsol_event(codec_t *this, int tag)
 			    CORB_GET_PIN_SENSE, 0, &result);
 			if (!err && (result & CORB_PS_PRESENCE))
 				vol = 1;
+			// switch microphone to mic2
+			if (!err)
+				notify_hp_sense(result & CORB_PS_PRESENCE);
 		}
 		if (err)
 			break;
@@ -2702,6 +2707,12 @@ azalia_codec_widget_quirks(codec_t *this, nid_t nid)
 		    0x57d7, NULL);
 	}
 
+	if (this->qrks & AZ_QRK_WID_HEADSET && nid == 0x19) {
+		w->d.pin.config = 0x03a19120;
+		azalia_pin_config_ov(w, CORB_CD_DEVICE_MASK, CORB_CD_MICIN);
+		w->enable = 1;
+	}
+
 	return(0);
 }