static ssize_t show_tabletXtilt(struct device *dev, char *buf)
static ssize_t show_tabletXtilt(struct device *dev, struct device_attribute *attr, char *buf)
static ssize_t show_tabletXtilt(struct device *dev, char *buf){	struct aiptek *aiptek = dev_get_drvdata(dev);	if (aiptek == NULL)		return 0;	if (aiptek->curSetting.xTilt == AIPTEK_TILT_DISABLE) {		return snprintf(buf, PAGE_SIZE, "disable\n");	} else {		return snprintf(buf, PAGE_SIZE, "%d\n",				aiptek->curSetting.xTilt);	}}