Exemple #1
0
static void ltm022a97a_lcd_power(int on, struct fb_var_screeninfo *var)
{
	static int pin_requested = 0;
	struct fb_info *info = container_of(var, struct fb_info, var);
	int err;

	if (!pin_requested) {
		err = gpio_request(GPIO_LCD_RESET, "lcd reset");
		if (err) {
			pr_err("failed to request gpio for LCD reset\n");
			return;
		}

		gpio_direction_output(GPIO_LCD_RESET, 0);
		pin_requested = 1;
	}

	if (on) {
		gpio_set_value(GPIO_LCD_RESET, 0); msleep(100);
		gpio_set_value(GPIO_LCD_RESET, 1); msleep(10);

		pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_power_on));
		pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_panel_on));
	} else {
		pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_panel_off));
		pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_power_off));
	}

	err = pxafb_smart_flush(info);
	if (err)
		pr_err("%s: timed out\n", __func__);
}
Exemple #2
0
static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
{
	struct fb_info *info = container_of(var, struct fb_info, var);

	if (on) {
		pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
		pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
	} else {
		pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
	}

	if (pxafb_smart_flush(info))
		pr_err("%s: timed out\n", __func__);
}
Exemple #3
0
static void ltm020d550_update(struct fb_info *info)
{
	pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
	pxafb_smart_flush(info);
}