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Diffstat (limited to 'drivers/input/touchscreen/ts_filter_chain.h')
-rw-r--r--drivers/input/touchscreen/ts_filter_chain.h58
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