KTD202X_MAX_BRIGHTNESS
ret = ktd202x_brightness_single_set(cdev, KTD202X_MAX_BRIGHTNESS);
ret = ktd202x_brightness_mc_set(cdev, KTD202X_MAX_BRIGHTNESS);
info[i].intensity = KTD202X_MAX_BRIGHTNESS;
cdev->max_brightness = KTD202X_MAX_BRIGHTNESS;