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#ifndef __TS_FILTER_GROUP_H__
#define __TS_FILTER_GROUP_H__
#include <linux/ts_filter.h>
/*
* Touchscreen group filter.
*
* Copyright (C) 2008 by Openmoko, Inc.
* Author: Nelson Castillo <arhuaco@freaks-unidos.net>
*
*/
struct ts_filter_group_configuration {
int extent;
int close_enough;
int threshold;
int attempts;
};
struct ts_filter_group {
struct ts_filter tsf;
struct ts_filter_group_configuration *config;
int N; /* How many samples we have */
int *samples[MAX_TS_FILTER_COORDS]; /* the samples, our input */
int *group_size; /* used for temporal computations */
int *sorted_samples; /* used for temporal computations */
int range_max[MAX_TS_FILTER_COORDS]; /* max computed ranges */
int range_min[MAX_TS_FILTER_COORDS]; /* min computed ranges */
int tries_left; /* We finish if we don't get enough samples */
};
extern struct ts_filter_api ts_filter_group_api;
#endif
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