253 static void mxr_irq_layer_handle(struct mxr_layer *layer)  in mxr_irq_layer_handle()  argument
255 	struct list_head *head = &layer->enq_list;  in mxr_irq_layer_handle()
259 	if (layer == NULL)  in mxr_irq_layer_handle()
262 	spin_lock(&layer->enq_slock);  in mxr_irq_layer_handle()
263 	if (layer->state == MXR_LAYER_IDLE)  in mxr_irq_layer_handle()
266 	done = layer->shadow_buf;  in mxr_irq_layer_handle()
267 	layer->shadow_buf = layer->update_buf;  in mxr_irq_layer_handle()
270 		if (layer->state != MXR_LAYER_STREAMING)  in mxr_irq_layer_handle()
271 			layer->update_buf = NULL;  in mxr_irq_layer_handle()
276 		layer->update_buf = next;  in mxr_irq_layer_handle()
279 	layer->ops.buffer_set(layer, layer->update_buf);  in mxr_irq_layer_handle()
281 	if (done && done != layer->shadow_buf)  in mxr_irq_layer_handle()
285 	spin_unlock(&layer->enq_slock);  in mxr_irq_layer_handle()
319 		mxr_irq_layer_handle(mdev->layer[i]);  in mxr_irq_handler()