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authorLars-Peter Clausen <lars@metafoo.de>2009-10-24 16:06:05 +0200
committerLars-Peter Clausen <lars@metafoo.de>2009-12-21 17:15:48 +0100
commitc0be5ad97fb0f722b8afded74256742c008991d9 (patch)
tree4dc65a604561c5da3e365055623888c58cb6f657 /include/linux/input/touchscreen/ts_filter_median.h
parent871c0b38ef349686071b055d012bff712088aa61 (diff)
ts-filter: Move include files to include/linux/input/touchscreen
Diffstat (limited to 'include/linux/input/touchscreen/ts_filter_median.h')
-rw-r--r--include/linux/input/touchscreen/ts_filter_median.h32
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