Function rt_led_set_brightness

components/drivers/led/led.c:328–349

}

rt_err_t rt_led_set_brightness(struct rt_led_device *led, rt_uint32_t brightness)
{
    rt_err_t err;

    if (!led)
    {
        return -RT_EINVAL;
    }

    if (!led->ops->set_brightness)
    {
        return -RT_ENOSYS;
    }

    rt_spin_lock(&led->spinlock);

    err = led->ops->set_brightness(led, brightness);

    rt_spin_unlock(&led->spinlock);

    return err;
}