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authorLars-Peter Clausen <lars@metafoo.de>2009-10-24 15:10:51 +0200
committerLars-Peter Clausen <lars@metafoo.de>2009-10-24 15:10:51 +0200
commit1a6ac25d8fe1a5f4fccb1a733acd7a78b8ebc07e (patch)
tree044377cd70ace816988174144a269e5a2be075cc /drivers/input/touchscreen/ts_filter_linear.h
parent8123f88b8de62ce957c0a1e8a68060ceee685a36 (diff)
parentf858d8fceb8519604ab7b1221724d5ad4ede7b29 (diff)
Merge branch 's3c-touchscreen-2.6.31' into om-gta01-2.6.31
Diffstat (limited to 'drivers/input/touchscreen/ts_filter_linear.h')
-rw-r--r--drivers/input/touchscreen/ts_filter_linear.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/ts_filter_linear.h b/drivers/input/touchscreen/ts_filter_linear.h
new file mode 100644
index 00000000000..82df3d25b50
--- /dev/null
+++ b/drivers/input/touchscreen/ts_filter_linear.h
@@ -0,0 +1,31 @@
+#ifndef __TS_FILTER_LINEAR_H__
+#define __TS_FILTER_LINEAR_H__
+
+#include "ts_filter.h"
+#include <linux/kobject.h>
+
+/*
+ * Touchscreen linear filter.
+ *
+ * Copyright (C) 2008,2009 by Openmoko, Inc.
+ * Author: Nelson Castillo <arhuaco@freaks-unidos.net>
+ *
+ */
+
+#define TS_FILTER_LINEAR_NCONSTANTS 7
+
+struct ts_filter_linear_configuration {
+ /* Calibration constants. */
+ int constants[TS_FILTER_LINEAR_NCONSTANTS];
+ /* First coordinate. */
+ int coord0;
+ /* Second coordinate. */
+ int coord1;
+
+ /* Generic filter configuration. */
+ struct ts_filter_configuration config;
+};
+
+extern const struct ts_filter_api ts_filter_linear_api;
+
+#endif