#include <stdlib.h>#include <stdio.h>#include <unistd.h>#include "config.h"#include "tslib-private.h"struct mk712_ts_event { /* Used in the Hitachi Webpad */	unsigned int header;	unsigned int x;	unsigned int y;	unsigned int reserved;};static int mk712_read(struct tslib_module_info *inf, struct ts_sample *samp, int nr){	struct tsdev *ts = inf->dev;	struct mk712_ts_event *mk712_evt;	int ret;	int total = 0;	mk712_evt = alloca(sizeof(*mk712_evt) * nr);	ret = read(ts->fd, mk712_evt, sizeof(*mk712_evt) * nr);	if(ret > 0) {		int nr = ret / sizeof(*mk712_evt);		while(ret >= (int)sizeof(*mk712_evt)) {			samp->x = (short)mk712_evt->x;			samp->y = (short)mk712_evt->y;			if(mk712_evt->header==0)				samp->pressure=1;			else				samp->pressure=0;#ifdef DEBUG        fprintf(stderr,"RAW---------------------------> %d %d %d\n",samp->x,samp->y,samp->pressure);#endif /*DEBUG*/			gettimeofday(&samp->tv,NULL);			samp++;			mk712_evt++;			ret -= sizeof(*mk712_evt);		}	} else {		return -1;	}	ret = nr;	return ret;}static const struct tslib_ops mk712_ops ={	.read	= mk712_read,};TSAPI struct tslib_module_info *mod_init(struct tsdev *dev, const char *params){	struct tslib_module_info *m;	m = malloc(sizeof(struct tslib_module_info));	if (m == NULL)		return NULL;	m->ops = &mk712_ops;	return m;}