diff --git a/share/man/man4/acpi_ibm.4 b/share/man/man4/acpi_ibm.4
--- a/share/man/man4/acpi_ibm.4
+++ b/share/man/man4/acpi_ibm.4
@@ -270,12 +270,15 @@
 .It Va dev.acpi_ibm.0.volume
 Speaker volume.
 .It Va dev.acpi_ibm.0.mute
-Indicates, whether the speakers are muted or not.
-.It Va dev.acpi_ibm.0.mic_mute
-Indicates, whether the microphone led (present on some model) is on or not.
+Indicates whether the speakers are muted or not.
+.It Va dev.acpi_ibm.0.mute_led
+Indicates whether the audio mute led (present on some models) is on or not.
+Note that this does not mean that the audio is muted.
+.It Va dev.acpi_ibm.0.mic_led
+Indicates whether the microphone led (present on some models) is on or not.
 Note that this does not mean that the microphone input is muted.
 .It Va dev.acpi_ibm.0.thinklight
-Indicates, whether the ThinkLight keyboard light is activated or not.
+Indicates whether the ThinkLight keyboard light is activated or not.
 .It Va dev.acpi_ibm.0.bluetooth
 Toggle Bluetooth chip activity.
 .It Va dev.acpi_ibm.0.wlan
diff --git a/sys/dev/acpi_support/acpi_ibm.c b/sys/dev/acpi_support/acpi_ibm.c
--- a/sys/dev/acpi_support/acpi_ibm.c
+++ b/sys/dev/acpi_support/acpi_ibm.c
@@ -81,6 +81,7 @@
 #define ACPI_IBM_METHOD_HANDLEREVENTS	14
 #define ACPI_IBM_METHOD_MIC_LED		15
 #define ACPI_IBM_METHOD_PRIVACYGUARD	16
+#define ACPI_IBM_METHOD_MUTE_LED	17
 
 /* Hotkeys/Buttons */
 #define IBM_RTC_HOTKEY1			0x64
@@ -192,6 +193,10 @@
 	ACPI_HANDLE	mic_led_handle;
 	int		mic_led_state;
 
+	/* Mute led handle */
+	ACPI_HANDLE	mute_led_handle;
+	int		mute_led_state;
+
 	int		wlan_bt_flags;
 	int		thermal_updt_supported;
 
@@ -289,6 +294,11 @@
 		.method		= ACPI_IBM_METHOD_PRIVACYGUARD,
 		.description	= "PrivacyGuard enable",
 	},
+	{
+		.name		= "mute_led",
+		.method		= ACPI_IBM_METHOD_MUTE_LED,
+		.description	= "Mute led",
+	},
 	{ NULL, 0, NULL, 0 }
 };
 
@@ -419,7 +429,7 @@
 }
 
 static int
-acpi_ibm_mic_led_set(struct acpi_ibm_softc *sc, int arg)
+acpi_ibm_led_set(struct acpi_ibm_softc *sc, ACPI_STRING path, int on_value, int arg)
 {
 	ACPI_OBJECT_LIST input;
 	ACPI_OBJECT params[1];
@@ -431,14 +441,14 @@
 	if (sc->mic_led_handle) {
 		params[0].Type = ACPI_TYPE_INTEGER;
 		params[0].Integer.Value = 0;
-		/* mic led: 0 off, 2 on */
+		/* For the microphone LED 2 is on */
 		if (arg == 1)
-			params[0].Integer.Value = 2;
+			params[0].Integer.Value = on_value;
 
 		input.Pointer = params;
 		input.Count = 1;
 
-		status = AcpiEvaluateObject(sc->handle, "MMTS", &input, NULL);
+		status = AcpiEvaluateObject(sc->handle, path, &input, NULL);
 		if (ACPI_SUCCESS(status))
 			sc->mic_led_state = arg;
 		return (status);
@@ -447,6 +457,18 @@
 	return (0);
 }
 
+static int
+acpi_ibm_mic_led_set(struct acpi_ibm_softc *sc, int arg)
+{
+	return (acpi_ibm_led_set(sc, "MMTS", 2, arg));
+}
+
+static int
+acpi_ibm_mute_led_set(struct acpi_ibm_softc *sc, int arg)
+{
+	return (acpi_ibm_led_set(sc, "SSMS", 1, arg));
+}
+
 static int
 acpi_ibm_probe(device_t dev)
 {
@@ -680,8 +702,9 @@
 	}
 	ACPI_SERIAL_END(ibm);
 
-	/* The mic led does not turn back on when sysctl_set is called in the above loop */
+	/* The mute leds do not turn back on when sysctl_set is called in the above loop */
 	acpi_ibm_mic_led_set(sc, sc->mic_led_state);
+	acpi_ibm_mute_led_set(sc, sc->mute_led_state);
 
 	return (0);
 }
@@ -882,6 +905,13 @@
 	case ACPI_IBM_METHOD_PRIVACYGUARD:
 		val = acpi_ibm_privacyguard_get(sc);
 		break;
+
+	case ACPI_IBM_METHOD_MUTE_LED:
+		if (sc->mute_led_handle)
+			return sc->mute_led_state;
+		else
+			val = -1;
+		break;
 	}
 
 	return (val);
@@ -930,6 +960,10 @@
 		return acpi_ibm_mic_led_set(sc, arg);
 		break;
 
+	case ACPI_IBM_METHOD_MUTE_LED:
+		return acpi_ibm_mute_led_set(sc, arg);
+		break;
+
 	case ACPI_IBM_METHOD_THINKLIGHT:
 		return acpi_ibm_thinklight_set(sc, arg);
 		break;
@@ -1011,6 +1045,13 @@
 			sc->mic_led_handle = NULL;
 		return (FALSE);
 
+	case ACPI_IBM_METHOD_MUTE_LED:
+		if (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "SSMS", &sc->mute_led_handle)))
+			return (TRUE);
+		else
+			sc->mute_led_handle = NULL;
+		return (FALSE);
+
 	case ACPI_IBM_METHOD_THINKLIGHT:
 		sc->cmos_handle = NULL;
 		sc->light_get_supported = ACPI_SUCCESS(acpi_GetInteger(