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-rw-r--r--sound/soc/codecs/max9877.h30
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diff --git a/sound/soc/codecs/max9877.h b/sound/soc/codecs/max9877.h
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+++ b/sound/soc/codecs/max9877.h
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * max9877.h -- amp driver for max9877
+ *
+ * Copyright (C) 2009 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.com>
+ */
+
+#ifndef _MAX9877_H
+#define _MAX9877_H
+
+#define MAX9877_INPUT_MODE 0x00
+#define MAX9877_SPK_VOLUME 0x01
+#define MAX9877_HPL_VOLUME 0x02
+#define MAX9877_HPR_VOLUME 0x03
+#define MAX9877_OUTPUT_MODE 0x04
+
+/* MAX9877_INPUT_MODE */
+#define MAX9877_INB (1 << 4)
+#define MAX9877_INA (1 << 5)
+#define MAX9877_ZCD (1 << 6)
+
+/* MAX9877_OUTPUT_MODE */
+#define MAX9877_OUTMODE_MASK (15 << 0)
+#define MAX9877_OSC_MASK (3 << 4)
+#define MAX9877_OSC_OFFSET 4
+#define MAX9877_BYPASS (1 << 6)
+#define MAX9877_SHDN (1 << 7)
+
+#endif