ipc4: copier: remove unused endpoint_buffer[]

The use of endpoint buffers in gateways was removed some time ago.
endpoint_buffer[] is a leftover from an earlier refactoring, is not used,
and can be removed.

Signed-off-by: Serhiy Katsyuba <serhiy.katsyuba@intel.com>

Author: serhiy-katsyuba-intel

src/audio/copier/copier.h

@@ -246,10 +246,9 @@ struct copier_data {
 	void *gtw_cfg;
 	enum ipc4_gateway_type gtw_type;
 	struct comp_dev *endpoint[IPC4_COPIER_MODULE_OUTPUT_PINS_COUNT];
-	struct comp_buffer *endpoint_buffer[IPC4_COPIER_MODULE_OUTPUT_PINS_COUNT];
 	uint32_t endpoint_num;
 
-	/* buffer to mux/demux data from/to multiple endpoint buffers for ALH multi-gateway case */
+	/* buffer to mux/demux data from/to multiple endpoints for ALH multi-gateway case */
 	struct comp_buffer *multi_endpoint_buffer;
 
 	bool bsource_buffer;
@@ -284,10 +283,9 @@ pcm_converter_func get_converter_func(const struct ipc4_audio_format *in_fmt,
 				      uint32_t chmap);
 
 struct comp_ipc_config;
-int create_endpoint_buffer(struct comp_dev *dev,
-			   struct copier_data *cd,
-			   const struct ipc4_copier_module_cfg *copier_cfg,
-			   bool create_multi_endpoint_buffer);
+int create_multi_endpoint_buffer(struct comp_dev *dev,
+				 struct copier_data *cd,
+				 const struct ipc4_copier_module_cfg *copier_cfg);
 
 enum sof_ipc_stream_direction
 	get_gateway_direction(enum ipc4_connector_node_id_type node_id_type);

src/audio/copier/copier_dai.c

@@ -351,7 +351,7 @@ int copier_dai_create(struct comp_dev *dev, struct copier_data *cd,
 
 	/* create multi_endpoint_buffer for ALH multi-gateway case */
 	if (dai_count > 1) {
-		ret = create_endpoint_buffer(dev, cd, copier, true);
+		ret = create_multi_endpoint_buffer(dev, cd, copier);
 		if (ret < 0)
 			return ret;
 	}

src/audio/copier/copier_generic.c

@@ -347,10 +347,9 @@ void copier_update_params(struct copier_data *cd, struct comp_dev *dev,
 	}
 }
 
-int create_endpoint_buffer(struct comp_dev *dev,
-			   struct copier_data *cd,
-			   const struct ipc4_copier_module_cfg *copier_cfg,
-			   bool create_multi_endpoint_buffer)
+int create_multi_endpoint_buffer(struct comp_dev *dev,
+				 struct copier_data *cd,
+				 const struct ipc4_copier_module_cfg *copier_cfg)
 {
 	struct comp_ipc_config *config = &dev->ipc_config;
 	enum sof_ipc_frame in_frame_fmt, out_frame_fmt;
@@ -438,10 +437,7 @@ int create_endpoint_buffer(struct comp_dev *dev,
 
 	audio_buffer_set_hw_params_configured(&buffer->audio_buffer);
 
-	if (create_multi_endpoint_buffer)
-		cd->multi_endpoint_buffer = buffer;
-	else
-		cd->endpoint_buffer[cd->endpoint_num] = buffer;
+	cd->multi_endpoint_buffer = buffer;
 
 	return 0;
 }