drivers/input/touchscreen/ts_filter_mean.h

   1 #ifndef __TS_FILTER_MEAN_H__
   2 #define __TS_FILTER_MEAN_H__
   3
   4 #include "ts_filter.h"
   5
   6 /*
   7  * Touchscreen filter.
   8  *
   9  * mean
  10  *
  11  * (c) 2008 Andy Green <andy@openmoko.com>
  12  */
  13
  14 struct ts_filter_mean_configuration {
  15         int bits_filter_length;
  16         int averaging_threshold;
  17
  18         int extent;
  19 };
  20
  21 struct ts_filter_mean {
  22         struct ts_filter tsf;
  23         struct ts_filter_mean_configuration *config;
  24
  25         int reported[MAX_TS_FILTER_COORDS];
  26         int lowpass[MAX_TS_FILTER_COORDS];
  27         int *fifo[MAX_TS_FILTER_COORDS];
  28         int fhead[MAX_TS_FILTER_COORDS];
  29         int ftail[MAX_TS_FILTER_COORDS];
  30 };
  31
  32 extern struct ts_filter_api ts_filter_mean_api;
  33
  34 #endif