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#ifndef __TS_FILTER_VARIANCE_H__
#define __TS_FILTER_VARIANCE_H__
#include <linux/ts_filter.h>
/*
* touchscreen filter
*
* Variance
*
* Copyright (C) 2008 by Openmoko, Inc.
* Author: Nelson Castillo <arhuaco@freaks-unidos.net>
*
*/
struct ts_filter_variance_configuration {
int extent;
int window;
int threshold;
int attempts;
};
struct ts_filter_variance {
struct ts_filter tsf;
struct ts_filter_variance_configuration *config;
int *samples[2];
int N; /* How many samples we have */
int tries_left; /* How many times we can try to get a point */
int passed; /* Did the samples pass the test? */
};
extern struct ts_filter_api ts_filter_variance_api;
#endif
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