讯为itop4412开发板触摸屏调试

static int __init ft5x0x_ts_init(void)
{
int ret;
int type;

type = get_lcd_type();

#if 1
//TP1_EN
//printk("==%s: TP1_EN==\n", __FUNCTION__);
ret = gpio_request(EXYNOS4_GPL0(2), "TP1_EN");
if (ret) {
printk(KERN_ERR "failed to request TP1_EN for "
"I2C control\n");
//return err;
}

gpio_direction_output(EXYNOS4_GPL0(2), 1);

s3c_gpio_cfgpin(EXYNOS4_GPL0(2), S3C_GPIO_OUTPUT);
gpio_free(EXYNOS4_GPL0(2));

mdelay(5);
#endif

#if 1
printk("==%s: reset==\n", __FUNCTION__);
ret = gpio_request(EXYNOS4_GPX0(3), "GPX0_3");
if (ret) {
gpio_free(EXYNOS4_GPX0(3));

ret = gpio_request(EXYNOS4_GPX0(3), "GPX0_3");
if(ret)
{
printk("ft5xox: Failed to request GPX0_3 \n");
}
}
gpio_direction_output(EXYNOS4_GPX0(3), 0);
mdelay(200);

gpio_direction_output(EXYNOS4_GPX0(3), 1);

s3c_gpio_cfgpin(EXYNOS4_GPX0(3), S3C_GPIO_OUTPUT);
gpio_free(EXYNOS4_GPX0(3));
msleep(300);
#endif
//type = get_lcd_type();

if(0x00 == type)  //9.7
{
TOUCH_MAX_X = 1024;
TOUCH_MAX_Y = 768;

#ifdef CONFIG_VT        //for Ubuntu
touch_size = 1;
scal_xy = 1;
#else
touch_size = 0;
scal_xy = 1;
#endif
}
else if(0x01 == type) //7.0
{
#ifdef CONFIG_VT        //for Ubuntu
TOUCH_MAX_X = 800;//1280;
TOUCH_MAX_Y = 1280;//800;

scal_xy = 1;
touch_size = 0;
#else
touch_size = 1;//0;   swap_xy  ===》在这里控制触摸屏的xy坐标翻转
#endif
}
else if(0x02 == type)  //4.3
{
;
}

if(1 == touch_size)
{
swap_xy = 1;
}
else
{
swap_xy = 0;
}

return i2c_add_driver(&ft5x0x_ts_driver);
}