1 files changed, 52 insertions, 15 deletions

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index fde08a997557..21ffb961585a 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -81,7 +81,6 @@
 #include <linux/acpi.h>
 #include <linux/pci_ids.h>
 #include <linux/power_supply.h>
-#include <linux/thinkpad_acpi.h>
 #include <sound/core.h>
 #include <sound/control.h>
 #include <sound/initval.h>
@@ -9150,6 +9149,7 @@ static struct ibm_struct fan_driver_data = {
  * Mute LED subdriver
  */
 
+#define TPACPI_LED_MAX		2
 
 struct tp_led_table {
 	acpi_string name;
@@ -9158,13 +9158,13 @@ struct tp_led_table {
 	int state;
 };
 
-static struct tp_led_table led_tables[] = {
-	[TPACPI_LED_MUTE] = {
+static struct tp_led_table led_tables[TPACPI_LED_MAX] = {
+	[LED_AUDIO_MUTE] = {
 		.name = "SSMS",
 		.on_value = 1,
 		.off_value = 0,
 	},
-	[TPACPI_LED_MICMUTE] = {
+	[LED_AUDIO_MICMUTE] = {
 		.name = "MMTS",
 		.on_value = 2,
 		.off_value = 0,
@@ -9189,31 +9189,64 @@ static int mute_led_on_off(struct tp_led_table *t, bool state)
 	return state;
 }
 
-int tpacpi_led_set(int whichled, bool on)
+static int tpacpi_led_set(int whichled, bool on)
 {
 	struct tp_led_table *t;
 
-	if (whichled < 0 || whichled >= TPACPI_LED_MAX)
-		return -EINVAL;
-
 	t = &led_tables[whichled];
 	if (t->state < 0 || t->state == on)
 		return t->state;
 	return mute_led_on_off(t, on);
 }
-EXPORT_SYMBOL_GPL(tpacpi_led_set);
+
+static int tpacpi_led_mute_set(struct led_classdev *led_cdev,
+			       enum led_brightness brightness)
+{
+	return tpacpi_led_set(LED_AUDIO_MUTE, brightness != LED_OFF);
+}
+
+static int tpacpi_led_micmute_set(struct led_classdev *led_cdev,
+				  enum led_brightness brightness)
+{
+	return tpacpi_led_set(LED_AUDIO_MICMUTE, brightness != LED_OFF);
+}
+
+static struct led_classdev mute_led_cdev[TPACPI_LED_MAX] = {
+	[LED_AUDIO_MUTE] = {
+		.name		= "platform::mute",
+		.max_brightness = 1,
+		.brightness_set_blocking = tpacpi_led_mute_set,
+		.default_trigger = "audio-mute",
+	},
+	[LED_AUDIO_MICMUTE] = {
+		.name		= "platform::micmute",
+		.max_brightness = 1,
+		.brightness_set_blocking = tpacpi_led_micmute_set,
+		.default_trigger = "audio-micmute",
+	},
+};
 
 static int mute_led_init(struct ibm_init_struct *iibm)
 {
 	acpi_handle temp;
-	int i;
+	int i, err;
 
 	for (i = 0; i < TPACPI_LED_MAX; i++) {
 		struct tp_led_table *t = &led_tables[i];
-		if (ACPI_SUCCESS(acpi_get_handle(hkey_handle, t->name, &temp)))
-			mute_led_on_off(t, false);
-		else
+		if (ACPI_FAILURE(acpi_get_handle(hkey_handle, t->name, &temp))) {
 			t->state = -ENODEV;
+			continue;
+		}
+
+		mute_led_cdev[i].brightness = ledtrig_audio_get(i);
+		err = led_classdev_register(&tpacpi_pdev->dev, &mute_led_cdev[i]);
+		if (err < 0) {
+			while (i--) {
+				if (led_tables[i].state >= 0)
+					led_classdev_unregister(&mute_led_cdev[i]);
+			}
+			return err;
+		}
 	}
 	return 0;
 }
@@ -9222,8 +9255,12 @@ static void mute_led_exit(void)
 {
 	int i;
 
-	for (i = 0; i < TPACPI_LED_MAX; i++)
-		tpacpi_led_set(i, false);
+	for (i = 0; i < TPACPI_LED_MAX; i++) {
+		if (led_tables[i].state >= 0) {
+			led_classdev_unregister(&mute_led_cdev[i]);
+			tpacpi_led_set(i, false);
+		}
+	}
 }
 
 static void mute_led_resume(void)