pipeline: remove buffer_acquire from pipeline files

remove buffer ops from pipeline-graph.c and
pipeline-params.c

this is a continuation of changes
from commit 4a03699

Signed-off-by: Marcin Szkudlinski <marcin.szkudlinski@intel.com>

src/audio/pipeline/pipeline-graph.c

@@ -168,14 +168,10 @@ struct pipeline *pipeline_new(uint32_t pipeline_id, uint32_t priority, uint32_t
 static void buffer_set_comp(struct comp_buffer *buffer, struct comp_dev *comp,
 			    int dir)
 {
-	struct comp_buffer *buffer_c = buffer_acquire(buffer);
-
 	if (dir == PPL_CONN_DIR_COMP_TO_BUFFER)
-		buffer_c->source = comp;
+		buffer->source = comp;
 	else
-		buffer_c->sink = comp;
-
-	buffer_release(buffer_c);
+		buffer->sink = comp;
 }
 
 int pipeline_connect(struct comp_dev *comp, struct comp_buffer *buffer,
@@ -410,7 +406,6 @@ int pipeline_for_each_comp(struct comp_dev *current,
 	/* run this operation further */
 	list_for_item(clist, buffer_list) {
 		struct comp_buffer *buffer = buffer_from_list(clist, dir);
-		struct comp_buffer *buffer_c;
 		struct comp_dev *buffer_comp;
 		int err = 0;
 
@@ -434,28 +429,22 @@ int pipeline_for_each_comp(struct comp_dev *current,
 
 		buffer_comp = buffer_get_comp(buffer, dir);
 
-		buffer_c = buffer_acquire(buffer);
-
 		/* execute operation on buffer */
 		if (ctx->buff_func)
-			ctx->buff_func(buffer_c, ctx->buff_data);
+			ctx->buff_func(buffer, ctx->buff_data);
 
 		/* don't go further if this component is not connected */
 		if (buffer_comp &&
 		    (!ctx->skip_incomplete || buffer_comp->pipeline) &&
 		    ctx->comp_func) {
-			buffer_c->walking = true;
-			buffer_release(buffer_c);
+			buffer->walking = true;
 
 			err = ctx->comp_func(buffer_comp, buffer,
 					     ctx, dir);
 
-			buffer_c = buffer_acquire(buffer);
-			buffer_c->walking = false;
+			buffer->walking = false;
 		}
 
-		buffer_release(buffer_c);
-
 		if (err < 0 || err == PPL_STATUS_PATH_STOP)
 			return err;
 	}

src/audio/pipeline/pipeline-params.c

@@ -30,7 +30,6 @@ static int pipeline_comp_params_neg(struct comp_dev *current,
 				    int dir)
 {
 	struct pipeline_data *ppl_data = ctx->comp_data;
-	struct comp_buffer *buf_c = buffer_acquire(calling_buf);
 	int err = 0;
 
 	pipe_dbg(current->pipeline, "pipeline_comp_params_neg(), current->comp.id = %u, dir = %u",
@@ -48,12 +47,12 @@ static int pipeline_comp_params_neg(struct comp_dev *current,
 		 * a component who has different channels input/output buffers
 		 * should explicitly configure the channels of the branched buffers.
 		 */
-		err = buffer_set_params(buf_c, &ppl_data->params->params,
+		err = buffer_set_params(calling_buf, &ppl_data->params->params,
 					BUFFER_UPDATE_FORCE);
 		break;
 	default:
 		/* return 0 if params matches */
-		if (!buffer_params_match(buf_c,
+		if (!buffer_params_match(calling_buf,
 					 &ppl_data->params->params,
 					 BUFF_PARAMS_FRAME_FMT |
 					 BUFF_PARAMS_RATE)) {
@@ -66,8 +65,6 @@ static int pipeline_comp_params_neg(struct comp_dev *current,
 			err = -EINVAL;
 		}
 	}
-
-	buffer_release(buf_c);
 	return err;
 }
 
@@ -188,11 +185,8 @@ static int pipeline_comp_hw_params_buf(struct comp_dev *current,
 		return ret;
 	/* set buffer parameters */
 	if (calling_buf) {
-		struct comp_buffer *buf_c = buffer_acquire(calling_buf);
-
-		ret = buffer_set_params(buf_c, &ppl_data->params->params,
+		ret = buffer_set_params(calling_buf, &ppl_data->params->params,
 					BUFFER_UPDATE_IF_UNSET);
-		buffer_release(buf_c);
 		if (ret < 0)
 			pipe_err(current->pipeline,
 				 "pipeline_comp_hw_params(): buffer_set_params(): %d", ret);