Function rt_lcd_init

bsp/allwinner/libraries/drivers/drv_lcd.c:386–424

Add the first layer, then enable the interrupt */

/* Add the first layer, then enable the interrupt */
static rt_err_t rt_lcd_init(rt_device_t dev)
{
    lcd_device_t lcd_drv = (lcd_device_t)dev;

    RT_ASSERT(lcd_drv != RT_NULL);

    static int lcd_init = 0;

    if (lcd_init)
    {
        return RT_EOK;
    }
    lcd_init = 1;

    _panel = load_lcd_config_from_xml();
    lcd_drv->panel = _panel;

    if (disp_probe() != 0)
    {
        rt_kprintf("lcd disp probe failure\n");
        return -RT_ERROR;
    }

    lcd_gpio_config();

    if (_lcd_drv_init(lcd_drv) != RT_EOK)
    {
        rt_kprintf("lcd drv init failure\n");
        return -RT_ERROR;
    }

    if (_lcd_layer_init(lcd_drv) != RT_EOK)
    {
        rt_kprintf("disp layer init failure\n");
        return -RT_ERROR;
    }

    return RT_EOK;
}

void turn_on_lcd_backlight(void)
{