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diff --git a/sound/soc/codecs/ad73311.h b/sound/soc/codecs/ad73311.h
new file mode 100644
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+++ b/sound/soc/codecs/ad73311.h
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+/*
+ * File:         sound/soc/codec/ad73311.h
+ * Based on:
+ * Author:       Cliff Cai <cliff.cai@analog.com>
+ *
+ * Created:      Thur Sep 25, 2008
+ * Description:  definitions for AD73311 registers
+ *
+ *
+ * Modified:
+ *               Copyright 2006 Analog Devices Inc.
+ *
+ * Bugs:         Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __AD73311_H__
+#define __AD73311_H__
+
+#define AD_CONTROL      0x8000
+#define AD_DATA         0x0000
+#define AD_READ         0x4000
+#define AD_WRITE        0x0000
+
+/* Control register A */
+#define CTRL_REG_A      (0 << 8)
+
+#define REGA_MODE_PRO   0x00
+#define REGA_MODE_DATA  0x01
+#define REGA_MODE_MIXED 0x03
+#define REGA_DLB                0x04
+#define REGA_SLB                0x08
+#define REGA_DEVC(x)            ((x & 0x7) << 4)
+#define REGA_RESET              0x80
+
+/* Control register B */
+#define CTRL_REG_B      (1 << 8)
+
+#define REGB_DIRATE(x)  (x & 0x3)
+#define REGB_SCDIV(x)   ((x & 0x3) << 2)
+#define REGB_MCDIV(x)   ((x & 0x7) << 4)
+#define REGB_CEE                (1 << 7)
+
+/* Control register C */
+#define CTRL_REG_C      (2 << 8)
+
+#define REGC_PUDEV              (1 << 0)
+#define REGC_PUADC              (1 << 3)
+#define REGC_PUDAC              (1 << 4)
+#define REGC_PUREF              (1 << 5)
+#define REGC_REFUSE             (1 << 6)
+
+/* Control register D */
+#define CTRL_REG_D      (3 << 8)
+
+#define REGD_IGS(x)             (x & 0x7)
+#define REGD_RMOD               (1 << 3)
+#define REGD_OGS(x)             ((x & 0x7) << 4)
+#define REGD_MUTE               (x << 7)
+
+/* Control register E */
+#define CTRL_REG_E      (4 << 8)
+
+#define REGE_DA(x)              (x & 0x1f)
+#define REGE_IBYP               (1 << 5)
+
+/* Control register F */
+#define CTRL_REG_F      (5 << 8)
+
+#define REGF_SEEN               (1 << 5)
+#define REGF_INV                (1 << 6)
+#define REGF_ALB                (1 << 7)
+
+extern struct snd_soc_dai ad73311_dai;
+extern struct snd_soc_codec_device soc_codec_dev_ad73311;
+#endif