| 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 |
| 32 | |
