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+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2016 by Roman Stolyarov
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _ES9018_H
+#define _ES9018_H
+
+#define ES9018_VOLUME_MIN -1270
+#define ES9018_VOLUME_MAX 0
+
+#define AUDIOHW_CAPS (FILTER_ROLL_OFF_CAP)
+#define AUDIOHW_HAVE_SHORT_ROLL_OFF
+AUDIOHW_SETTING(VOLUME, "dB", 0, 1, ES9018_VOLUME_MIN/10, ES9018_VOLUME_MAX/10, 0)
+AUDIOHW_SETTING(FILTER_ROLL_OFF, "", 0, 1, 0, 3, 0)
+
+void es9018_write_reg(uint8_t reg, uint8_t val);
+uint8_t es9018_read_reg(uint8_t reg);
+
+void audiohw_mute(void);
+void audiohw_unmute(void);
+
+#endif