Support the LED on F10 above the crossed out camera icon.
Signed-off-by: Devin Bayer <dev@xxxxxxxxx>
---
drivers/platform/x86/asus-wmi.c | 36 ++++++++++++++++++++++
include/linux/platform_data/x86/asus-wmi.h | 2 ++
2 files changed, 38 insertions(+)
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 3f9b6285c9a6..5585f15e7920 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -73,6 +73,7 @@ module_param(fnlock_default, bool, 0444);
#define NOTIFY_LID_FLIP_ROG 0xbd
#define ASUS_WMI_FNLOCK_BIOS_DISABLED BIT(0)
+#define ASUS_WMI_DEVID_CAMERA_LED 0x00060079
#define ASUS_MID_FAN_DESC "mid_fan"
#define ASUS_GPU_FAN_DESC "gpu_fan"
@@ -238,6 +239,7 @@ struct asus_wmi {
struct led_classdev lightbar_led;
int lightbar_led_wk;
struct led_classdev micmute_led;
+ struct led_classdev camera_led;
struct workqueue_struct *led_workqueue;
struct work_struct tpd_led_work;
struct work_struct wlan_led_work;
@@ -1642,6 +1644,27 @@ static int micmute_led_set(struct led_classdev *led_cdev,
return err < 0 ? err : 0;
}
+static enum led_brightness camera_led_get(struct led_classdev *led_cdev)
+{
+ struct asus_wmi *asus;
+ u32 result;
+
+ asus = container_of(led_cdev, struct asus_wmi, camera_led);
+ asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CAMERA_LED, &result);
+
+ return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
+}
+
+static int camera_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_CAMERA_LED, state, NULL);
+ return err < 0 ? err : 0;
+}
+
static void asus_wmi_led_exit(struct asus_wmi *asus)
{
led_classdev_unregister(&asus->kbd_led);
@@ -1649,6 +1672,7 @@ static void asus_wmi_led_exit(struct asus_wmi *asus)
led_classdev_unregister(&asus->wlan_led);
led_classdev_unregister(&asus->lightbar_led);
led_classdev_unregister(&asus->micmute_led);
+ led_classdev_unregister(&asus->camera_led);
if (asus->led_workqueue)
destroy_workqueue(asus->led_workqueue);
@@ -1740,6 +1764,18 @@ static int asus_wmi_led_init(struct asus_wmi *asus)
goto error;
}
+ if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CAMERA_LED)) {
+ asus->camera_led.name = "platform::camera";
+ asus->camera_led.max_brightness = 1;
+ asus->camera_led.brightness_get = camera_led_get;
+ asus->camera_led.brightness_set_blocking = camera_led_set;
+
+ rv = led_classdev_register(&asus->platform_device->dev,
+ &asus->camera_led);
+ if (rv)
+ goto error;
+ }
+
error:
if (rv)
asus_wmi_led_exit(asus);
diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
index 3eb5cd6773ad..b3c35e33f1e7 100644
--- a/include/linux/platform_data/x86/asus-wmi.h
+++ b/include/linux/platform_data/x86/asus-wmi.h
@@ -50,6 +50,8 @@
#define ASUS_WMI_DEVID_LED5 0x00020015
#define ASUS_WMI_DEVID_LED6 0x00020016
#define ASUS_WMI_DEVID_MICMUTE_LED 0x00040017
+#define ASUS_WMI_DEVID_CAMERA_LED_NEG 0x00060078
+#define ASUS_WMI_DEVID_CAMERA_LED 0x00060079
/* Backlight and Brightness */
#define ASUS_WMI_DEVID_ALS_ENABLE 0x00050001 /* Ambient Light Sensor */
--
2.45.2
