static void wacom_i2c_lcd_freq_work(struct work_struct *work)
{
	struct wacom_i2c *wac_i2c =
		container_of(work, struct wacom_i2c, lcd_freq_work);

	wacom_i2c_sync_lcd_freq(wac_i2c);
}
static void wacom_i2c_lcd_freq_work(struct work_struct *work)
{
	struct wacom_i2c *wac_i2c =
		container_of(work, struct wacom_i2c, lcd_freq_work);

	if (wac_i2c->lcd_freq_wait == true) {
		printk(KERN_DEBUG"epen:%s, freq is running\n", __func__);
		return ;
	}

	wac_i2c->lcd_freq_wait = true;

	wacom_i2c_sync_lcd_freq(wac_i2c);
}