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diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/aa/aa_2/ia_css_aa2_types.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/aa/aa_2/ia_css_aa2_types.h
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+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/aa/aa_2/ia_css_aa2_types.h
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+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef __IA_CSS_AA2_TYPES_H
+#define __IA_CSS_AA2_TYPES_H
+
+/** @file
+* CSS-API header file for Anti-Aliasing parameters.
+*/
+
+
+/** Anti-Aliasing configuration.
+ *
+ * This structure is used both for YUV AA and Bayer AA.
+ *
+ * 1. YUV Anti-Aliasing
+ * struct ia_css_aa_config *aa_config
+ *
+ * ISP block: AA2
+ * (ISP1: AA2 is not used.)
+ * ISP2: AA2 should be used. But, AA2 is not used currently.
+ *
+ * 2. Bayer Anti-Aliasing
+ * struct ia_css_aa_config *baa_config
+ *
+ * ISP block: BAA2
+ * ISP1: BAA2 is used.
+ * ISP2: BAA2 is used.
+ */
+struct ia_css_aa_config {
+ uint16_t strength; /**< Strength of the filter.
+ u0.13, [0,8191],
+ default/ineffective 0 */
+};
+
+#endif /* __IA_CSS_AA2_TYPES_H */
+
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