diff --git a/sound/soc/codecs/sigmadsp.c b/sound/soc/codecs/sigmadsp.c
index c0ad88516f30a516ec92dc682ff20375e9194146..aa223c56b2b6fea4dfbbff99fd5c36b1599a1f79 100644
--- a/sound/soc/codecs/sigmadsp.c
+++ b/sound/soc/codecs/sigmadsp.c
@@ -15,6 +15,42 @@
 
 #include "sigmadsp.h"
 
+#define SIGMA_MAGIC "ADISIGM"
+
+struct sigma_firmware_header {
+	unsigned char magic[7];
+	u8 version;
+	__le32 crc;
+} __packed;
+
+enum {
+	SIGMA_ACTION_WRITEXBYTES = 0,
+	SIGMA_ACTION_WRITESINGLE,
+	SIGMA_ACTION_WRITESAFELOAD,
+	SIGMA_ACTION_DELAY,
+	SIGMA_ACTION_PLLWAIT,
+	SIGMA_ACTION_NOOP,
+	SIGMA_ACTION_END,
+};
+
+struct sigma_action {
+	u8 instr;
+	u8 len_hi;
+	__le16 len;
+	__be16 addr;
+	unsigned char payload[];
+} __packed;
+
+struct sigma_firmware {
+	const struct firmware *fw;
+	size_t pos;
+};
+
+static inline u32 sigma_action_len(struct sigma_action *sa)
+{
+	return (sa->len_hi << 16) | le16_to_cpu(sa->len);
+}
+
 static size_t sigma_action_size(struct sigma_action *sa)
 {
 	size_t payload = 0;
diff --git a/sound/soc/codecs/sigmadsp.h b/sound/soc/codecs/sigmadsp.h
index d0de882c0d96d5277f23306bf1d2884c40807292..99a609157b2e4ab5772f8ebccc6edf9a44ad9ec1 100644
--- a/sound/soc/codecs/sigmadsp.h
+++ b/sound/soc/codecs/sigmadsp.h
@@ -9,47 +9,8 @@
 #ifndef __SIGMA_FIRMWARE_H__
 #define __SIGMA_FIRMWARE_H__
 
-#include <linux/firmware.h>
-#include <linux/types.h>
-
 struct i2c_client;
 
-#define SIGMA_MAGIC "ADISIGM"
-
-struct sigma_firmware {
-	const struct firmware *fw;
-	size_t pos;
-};
-
-struct sigma_firmware_header {
-	unsigned char magic[7];
-	u8 version;
-	__le32 crc;
-};
-
-enum {
-	SIGMA_ACTION_WRITEXBYTES = 0,
-	SIGMA_ACTION_WRITESINGLE,
-	SIGMA_ACTION_WRITESAFELOAD,
-	SIGMA_ACTION_DELAY,
-	SIGMA_ACTION_PLLWAIT,
-	SIGMA_ACTION_NOOP,
-	SIGMA_ACTION_END,
-};
-
-struct sigma_action {
-	u8 instr;
-	u8 len_hi;
-	__le16 len;
-	__be16 addr;
-	unsigned char payload[];
-};
-
-static inline u32 sigma_action_len(struct sigma_action *sa)
-{
-	return (sa->len_hi << 16) | le16_to_cpu(sa->len);
-}
-
 extern int process_sigma_firmware(struct i2c_client *client, const char *name);
 
 #endif