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| author | Lars-Peter Clausen <lars@metafoo.de> | 2009-10-24 22:09:01 +0200 |
|---|---|---|
| committer | Lars-Peter Clausen <lars@metafoo.de> | 2009-10-24 22:09:01 +0200 |
| commit | 399e0854777c263dee8f5abcbe5749007e594ee5 (patch) | |
| tree | 48be7e34e539ccc48e9e17e40682c6ed4bf742f1 /include/linux/input/touchscreen/ts_filter_median.h | |
| parent | 7319a99ed3faebd022c4912884415c2ed087bce8 (diff) | |
| parent | 36a5e8676f2d19482cd4d9837c12d24c58882f8a (diff) | |
Merge branch 's3c-touchscreen-2.6.31' into om-gta02-2.6.31
Diffstat (limited to 'include/linux/input/touchscreen/ts_filter_median.h')
| -rw-r--r-- | include/linux/input/touchscreen/ts_filter_median.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/input/touchscreen/ts_filter_median.h b/include/linux/input/touchscreen/ts_filter_median.h new file mode 100644 index 00000000000..08051619531 --- /dev/null +++ b/include/linux/input/touchscreen/ts_filter_median.h @@ -0,0 +1,32 @@ +#ifndef __TS_FILTER_MEDIAN_H__ +#define __TS_FILTER_MEDIAN_H__ + +#include <linux/input/touchscreen/ts_filter.h> + +/* + * Touchscreen filter. + * + * median + * + * (c) 2008 Andy Green <andy@warmcat.com> + */ + +struct ts_filter_median_configuration { + /* Size of the filter. */ + int extent; + /* Precomputed midpoint. */ + int midpoint; + /* A reference value for us to check if we are going fast or slow. */ + int decimation_threshold; + /* How many points to replace if we're going fast. */ + int decimation_above; + /* How many points to replace if we're going slow. */ + int decimation_below; + + /* Generic configuration. */ + struct ts_filter_configuration config; +}; + +extern const struct ts_filter_api ts_filter_median_api; + +#endif |