target/linux/s3c24xx/files-2.6.31/include/linux/touchscreen/ts_filter_linear.h

   1 #ifndef __TS_FILTER_LINEAR_H__
   2 #define __TS_FILTER_LINEAR_H__
   3
   4 #include "ts_filter.h"
   5 #include <linux/kobject.h>
   6
   7 /*
   8  * Touchscreen linear filter.
   9  *
  10  * Copyright (C) 2008,2009 by Openmoko, Inc.
  11  * Author: Nelson Castillo <arhuaco@freaks-unidos.net>
  12  *
  13  */
  14
  15 #define TS_FILTER_LINEAR_NCONSTANTS 7
  16
  17 struct ts_filter_linear_configuration {
  18         /* Calibration constants. */
  19         int constants[TS_FILTER_LINEAR_NCONSTANTS];
  20         /* First coordinate. */
  21         int coord0;
  22         /* Second coordinate. */
  23         int coord1;
  24
  25         /* Generic filter configuration. */
  26         struct ts_filter_configuration config;
  27 };
  28
  29 extern const struct ts_filter_api ts_filter_linear_api;
  30
  31 #endif