diff options
Diffstat (limited to 'drivers/input/touchscreen/ts_filter_chain.h')
-rw-r--r-- | drivers/input/touchscreen/ts_filter_chain.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/drivers/input/touchscreen/ts_filter_chain.h b/drivers/input/touchscreen/ts_filter_chain.h deleted file mode 100644 index 065a6a026d2..00000000000 --- a/drivers/input/touchscreen/ts_filter_chain.h +++ /dev/null @@ -1,58 +0,0 @@ -#ifndef __TS_FILTER_CHAIN_H__ -#define __TS_FILTER_CHAIN_H__ - -/* - * Touchscreen filter chains. - * - * (c) 2008,2009 Andy Green <andy@warmcat.com> - */ - -#include "ts_filter.h" - -#include <linux/err.h> - -struct ts_filter_chain_configuration { - /* API to use. */ - const struct ts_filter_api *api; - /* Generic filter configuration. Different for each filter. */ - const struct ts_filter_configuration *config; -}; - -struct ts_filter_chain; - -#ifdef CONFIG_TOUCHSCREEN_FILTER - -/* - * Create a filter chain. It will allocate an array of - * null-terminated pointers to filters. On error it will return - * an error you can check with IS_ERR. - */ -extern struct ts_filter_chain *ts_filter_chain_create( - struct platform_device *pdev, - const struct ts_filter_chain_configuration conf[], - int count_coords); - -/* Destroy the chain. */ -extern void ts_filter_chain_destroy(struct ts_filter_chain *c); - -/* Clear the filter chain. */ -extern void ts_filter_chain_clear(struct ts_filter_chain *c); - -/* - * Try to get one point. Returns 0 if no points are available. - * coords will be used as temporal space, thus you supply a point - * using coords but you shouldn't rely on its value on return unless - * it returns a nonzero value that is not -1. - * If one of the filters find an error then this function will - * return -1. - */ -int ts_filter_chain_feed(struct ts_filter_chain *c, int *coords); - -#else /* !CONFIG_TOUCHSCREEN_FILTER */ -#define ts_filter_chain_create(pdev, config, count_coords) (NULL) -#define ts_filter_chain_destroy(c) do { } while (0) -#define ts_filter_chain_clear(c) do { } while (0) -#define ts_filter_chain_feed(c, coords) (1) -#endif - -#endif |