diff --git a/drivers/platform/loongarch/loongson-laptop.c b/drivers/platform/loongarch/loongson-laptop.c
index 99203584949d..ba9a90818c92 100644
--- a/drivers/platform/loongarch/loongson-laptop.c
+++ b/drivers/platform/loongarch/loongson-laptop.c
@@ -392,8 +392,8 @@ static int laptop_backlight_register(void)
 	if (!acpi_evalf(hotkey_handle, &status, "ECLL", "d"))
 		return -EIO;
 
-	props.brightness = 1;
 	props.max_brightness = status;
+	props.brightness = ec_get_brightness();
 	props.type = BACKLIGHT_PLATFORM;
 
 	backlight_device_register("loongson_laptop",