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path: root/drivers/platform/x86/asus-wmi.c
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Diffstat (limited to 'drivers/platform/x86/asus-wmi.c')
-rw-r--r--drivers/platform/x86/asus-wmi.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 62ce198a3463..89b604e04d7f 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -208,6 +208,7 @@ struct asus_wmi {
int kbd_led_wk;
struct led_classdev lightbar_led;
int lightbar_led_wk;
+ struct led_classdev micmute_led;
struct workqueue_struct *led_workqueue;
struct work_struct tpd_led_work;
struct work_struct wlan_led_work;
@@ -1028,12 +1029,23 @@ static enum led_brightness lightbar_led_get(struct led_classdev *led_cdev)
return result & ASUS_WMI_DSTS_LIGHTBAR_MASK;
}
+static int micmute_led_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ int state = brightness != LED_OFF;
+ int err;
+
+ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MICMUTE_LED, state, NULL);
+ return err < 0 ? err : 0;
+}
+
static void asus_wmi_led_exit(struct asus_wmi *asus)
{
led_classdev_unregister(&asus->kbd_led);
led_classdev_unregister(&asus->tpd_led);
led_classdev_unregister(&asus->wlan_led);
led_classdev_unregister(&asus->lightbar_led);
+ led_classdev_unregister(&asus->micmute_led);
if (asus->led_workqueue)
destroy_workqueue(asus->led_workqueue);
@@ -1105,6 +1117,19 @@ static int asus_wmi_led_init(struct asus_wmi *asus)
&asus->lightbar_led);
}
+ if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MICMUTE_LED)) {
+ asus->micmute_led.name = "asus::micmute";
+ asus->micmute_led.max_brightness = 1;
+ asus->micmute_led.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
+ asus->micmute_led.brightness_set_blocking = micmute_led_set;
+ asus->micmute_led.default_trigger = "audio-micmute";
+
+ rv = led_classdev_register(&asus->platform_device->dev,
+ &asus->micmute_led);
+ if (rv)
+ goto error;
+ }
+
error:
if (rv)
asus_wmi_led_exit(asus);