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authorIru Cai <mytbk920423@gmail.com>2019-10-30 14:21:52 +0800
committerIru Cai <mytbk920423@gmail.com>2019-10-30 14:48:38 +0800
commitae51f41d14f548d494ac41e0d21137c5a4c3f59c (patch)
tree6ddb9d1aaa7bd5bad5bbf8497edc2e08ff208d79 /include/dt-bindings/input/input.h
downloaduext4-ae51f41d14f548d494ac41e0d21137c5a4c3f59c.tar.xz
import the U-Boot code and make it compile
Diffstat (limited to 'include/dt-bindings/input/input.h')
-rw-r--r--include/dt-bindings/input/input.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/dt-bindings/input/input.h b/include/dt-bindings/input/input.h
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+++ b/include/dt-bindings/input/input.h
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+/*
+ * This header provides constants for most input bindings.
+ *
+ * Most input bindings include key code, matrix key code format.
+ * In most cases, key code and matrix key code format uses
+ * the standard values/macro defined in this header.
+ */
+
+#ifndef _DT_BINDINGS_INPUT_INPUT_H
+#define _DT_BINDINGS_INPUT_INPUT_H
+
+#include "linux-event-codes.h"
+
+#define MATRIX_KEY(row, col, code) \
+ ((((row) & 0xFF) << 24) | (((col) & 0xFF) << 16) | ((code) & 0xFFFF))
+
+#endif /* _DT_BINDINGS_INPUT_INPUT_H */