diff options
Diffstat (limited to 'drivers/input/touchscreen/ts_filter_mean.h')
| -rw-r--r-- | drivers/input/touchscreen/ts_filter_mean.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/ts_filter_mean.h b/drivers/input/touchscreen/ts_filter_mean.h new file mode 100644 index 00000000000..44c506c99c0 --- /dev/null +++ b/drivers/input/touchscreen/ts_filter_mean.h @@ -0,0 +1,34 @@ +#ifndef __TS_FILTER_MEAN_H__ +#define __TS_FILTER_MEAN_H__ + +#include "ts_filter.h" + +/* + * Touchscreen filter. + * + * mean + * + * (c) 2008 Andy Green <andy@openmoko.com> + */ + +struct ts_filter_mean_configuration { + int bits_filter_length; + int averaging_threshold; + + int extent; +}; + +struct ts_filter_mean { + struct ts_filter tsf; + struct ts_filter_mean_configuration *config; + + int reported[MAX_TS_FILTER_COORDS]; + int lowpass[MAX_TS_FILTER_COORDS]; + int *fifo[MAX_TS_FILTER_COORDS]; + int fhead[MAX_TS_FILTER_COORDS]; + int ftail[MAX_TS_FILTER_COORDS]; +}; + +extern struct ts_filter_api ts_filter_mean_api; + +#endif |