diff options
Diffstat (limited to 'include/linux/ts_filter_variance.h')
| -rw-r--r-- | include/linux/ts_filter_variance.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/ts_filter_variance.h b/include/linux/ts_filter_variance.h new file mode 100644 index 00000000000..574cf90f3f5 --- /dev/null +++ b/include/linux/ts_filter_variance.h @@ -0,0 +1,36 @@ +#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 |