diff --git a/src/audio/codec_adapter/CMakeLists.txt b/src/audio/codec_adapter/CMakeLists.txt
index c4963dc844f3..e4da880d4576 100644
--- a/src/audio/codec_adapter/CMakeLists.txt
+++ b/src/audio/codec_adapter/CMakeLists.txt
@@ -6,8 +6,8 @@ if(CONFIG_CADENCE_CODEC)
 add_local_sources(sof codec/cadence.c)
 endif()
 
-if(CONFIG_DUMMY_CODEC)
-add_local_sources(sof codec/dummy.c)
+if(CONFIG_PASSTHROUGH_CODEC)
+add_local_sources(sof codec/passthrough.c)
 endif()
 
 if(CONFIG_WAVES_CODEC)
diff --git a/src/audio/codec_adapter/Kconfig b/src/audio/codec_adapter/Kconfig
index 291146744ec5..d063f964fb2b 100644
--- a/src/audio/codec_adapter/Kconfig
+++ b/src/audio/codec_adapter/Kconfig
@@ -63,13 +63,13 @@ if CADENCE_CODEC
 		  api symbol.
 endif
 
-	config DUMMY_CODEC
-		bool "Dummy codec"
+	config PASSTHROUGH_CODEC
+		bool "Passthrough codec"
 		default n
 		help
-		  Select for a dummy API codec implementation.
+		  Select for a passthrough API codec implementation.
 		  This will cause codec adapter component to include header
-		  files specific to DUMMY base codecs.
+		  files specific to PASSTHROUGH base codecs.
 
 	config WAVES_CODEC
 	bool "Waves codec"
diff --git a/src/audio/codec_adapter/codec/dummy.c b/src/audio/codec_adapter/codec/passthrough.c
similarity index 56%
rename from src/audio/codec_adapter/codec/dummy.c
rename to src/audio/codec_adapter/codec/passthrough.c
index 6aceb7ab682a..807794fcf823 100644
--- a/src/audio/codec_adapter/codec/dummy.c
+++ b/src/audio/codec_adapter/codec/passthrough.c
@@ -4,34 +4,34 @@
 //
 // Author: Daniel Baluta <daniel.baluta@nxp.com>
 //
-// Dummy codec implementation to demonstrate Codec Adapter API
+// Passthrough codec implementation to demonstrate Codec Adapter API
 
 #include <sof/audio/codec_adapter/codec/generic.h>
-#include <sof/audio/codec_adapter/codec/dummy.h>
+#include <sof/audio/codec_adapter/codec/passthrough.h>
 
-int dummy_codec_init(struct comp_dev *dev)
+int passthrough_codec_init(struct comp_dev *dev)
 {
-	comp_info(dev, "dummy_codec_init() start");
+	comp_info(dev, "passthrough_codec_init() start");
 	return 0;
 }
 
-int dummy_codec_prepare(struct comp_dev *dev)
+int passthrough_codec_prepare(struct comp_dev *dev)
 {
 	struct codec_data *codec = comp_get_codec(dev);
 	struct comp_data *cd = comp_get_drvdata(dev);
 
-	comp_info(dev, "dummy_codec_process()");
+	comp_info(dev, "passthrough_codec_process()");
 
 	codec->cpd.in_buff = rballoc(0, SOF_MEM_CAPS_RAM, cd->period_bytes);
 	if (!codec->cpd.in_buff) {
-		comp_err(dev, "dummy_codec_prepare(): Failed to alloc in_buff");
+		comp_err(dev, "passthrough_codec_prepare(): Failed to alloc in_buff");
 		return -ENOMEM;
 	}
 	codec->cpd.in_buff_size = cd->period_bytes;
 
 	codec->cpd.out_buff = rballoc(0, SOF_MEM_CAPS_RAM, cd->period_bytes);
 	if (!codec->cpd.out_buff) {
-		comp_err(dev, "dummy_codec_prepare(): Failed to alloc out_buff");
+		comp_err(dev, "passthrough_codec_prepare(): Failed to alloc out_buff");
 		rfree(codec->cpd.in_buff);
 		return -ENOMEM;
 	}
@@ -40,12 +40,12 @@ int dummy_codec_prepare(struct comp_dev *dev)
 	return 0;
 }
 
-int dummy_codec_process(struct comp_dev *dev)
+int passthrough_codec_process(struct comp_dev *dev)
 {
 	struct codec_data *codec = comp_get_codec(dev);
 	struct comp_data *cd = comp_get_drvdata(dev);
 
-	comp_dbg(dev, "dummy_codec_process()");
+	comp_dbg(dev, "passthrough_codec_process()");
 
 	memcpy_s(codec->cpd.out_buff, codec->cpd.out_buff_size,
 		 codec->cpd.in_buff, codec->cpd.in_buff_size);
@@ -54,27 +54,27 @@ int dummy_codec_process(struct comp_dev *dev)
 	return 0;
 }
 
-int dummy_codec_apply_config(struct comp_dev *dev)
+int passthrough_codec_apply_config(struct comp_dev *dev)
 {
-	comp_info(dev, "dummy_codec_apply_config()");
+	comp_info(dev, "passthrough_codec_apply_config()");
 
 	/* nothing to do */
 	return 0;
 }
 
-int dummy_codec_reset(struct comp_dev *dev)
+int passthrough_codec_reset(struct comp_dev *dev)
 {
-	comp_info(dev, "dummy_codec_reset()");
+	comp_info(dev, "passthrough_codec_reset()");
 
 	/* nothing to do */
 	return 0;
 }
 
-int dummy_codec_free(struct comp_dev *dev)
+int passthrough_codec_free(struct comp_dev *dev)
 {
 	struct codec_data *codec = comp_get_codec(dev);
 
-	comp_info(dev, "dummy_codec_free()");
+	comp_info(dev, "passthrough_codec_free()");
 
 	rfree(codec->cpd.in_buff);
 	rfree(codec->cpd.out_buff);
diff --git a/src/include/sof/audio/codec_adapter/codec/dummy.h b/src/include/sof/audio/codec_adapter/codec/dummy.h
deleted file mode 100644
index 1489f2461334..000000000000
--- a/src/include/sof/audio/codec_adapter/codec/dummy.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright 2020 NXP
- *
- * Author: Daniel Baluta <daniel.baluta@nxp.com>
- */
-
-#ifndef __SOF_AUDIO_DUMMY_CODEC__
-#define __SOF_AUDIO_DUMMY_CODEC__
-
-int dummy_codec_init(struct comp_dev *dev);
-int dummy_codec_prepare(struct comp_dev *dev);
-int dummy_codec_process(struct comp_dev *dev);
-int dummy_codec_apply_config(struct comp_dev *dev);
-int dummy_codec_reset(struct comp_dev *dev);
-int dummy_codec_free(struct comp_dev *dev);
-
-#endif /* __SOF_AUDIO_DUMMY_CODEC__ */
diff --git a/src/include/sof/audio/codec_adapter/codec/passthrough.h b/src/include/sof/audio/codec_adapter/codec/passthrough.h
new file mode 100644
index 000000000000..29b3e732424b
--- /dev/null
+++ b/src/include/sof/audio/codec_adapter/codec/passthrough.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright 2020 NXP
+ *
+ * Author: Daniel Baluta <daniel.baluta@nxp.com>
+ */
+
+#ifndef __SOF_AUDIO_PASSTHROUGH_CODEC__
+#define __SOF_AUDIO_PASSTHROUGH_CODEC__
+
+int passthrough_codec_init(struct comp_dev *dev);
+int passthrough_codec_prepare(struct comp_dev *dev);
+int passthrough_codec_process(struct comp_dev *dev);
+int passthrough_codec_apply_config(struct comp_dev *dev);
+int passthrough_codec_reset(struct comp_dev *dev);
+int passthrough_codec_free(struct comp_dev *dev);
+
+#endif /* __SOF_AUDIO_PASSTHROUGH_CODEC__ */