diff options
Diffstat (limited to 'include/linux/ts_filter.h')
-rw-r--r-- | include/linux/ts_filter.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/include/linux/ts_filter.h b/include/linux/ts_filter.h deleted file mode 100644 index 167104482dd..00000000000 --- a/include/linux/ts_filter.h +++ /dev/null @@ -1,56 +0,0 @@ -#ifndef __TS_FILTER_H__ -#define __TS_FILTER_H__ - -/* - * touchscreen filter - * - * (c) 2008 Andy Green <andy@openmoko.com> - */ - -#include <linux/platform_device.h> - -#define MAX_TS_FILTER_CHAIN 4 /* max filters you can chain up */ -#define MAX_TS_FILTER_COORDS 3 /* X, Y and Z (pressure) */ - -struct ts_filter; - -/* operations that a filter can perform - */ -struct ts_filter_api { - struct ts_filter * (*create)(struct platform_device *pdev, void *config, - int count_coords); - void (*destroy)(struct platform_device *pdev, struct ts_filter *filter); - void (*clear)(struct ts_filter *filter); - int (*process)(struct ts_filter *filter, int *coords); - void (*scale)(struct ts_filter *filter, int *coords); -}; - -/* this is the common part of all filters, the result - * we use this type as an otherwise opaque handle on to - * the actual filter. Therefore you need one of these - * at the start of your actual filter struct - */ - -struct ts_filter { - struct ts_filter *next; /* next in chain */ - struct ts_filter_api *api; /* operations to use for this object */ - int count_coords; - int coords[MAX_TS_FILTER_COORDS]; -}; - -/* - * helper to create a filter chain from array of API pointers and - * array of config ints... leaves pointers to created filters in list - * array and fills in ->next pointers to create the chain - */ - -extern int ts_filter_create_chain(struct platform_device *pdev, - struct ts_filter_api **api, void **config, - struct ts_filter **list, int count_coords); - -/* helper to destroy a whole chain from the list of filter pointers */ - -extern void ts_filter_destroy_chain(struct platform_device *pdev, - struct ts_filter **list); - -#endif |