216 	struct media_entity *entity, *mixer = NULL, *decoder = NULL;  in au0828_media_graph_notify()  local
224 		media_device_for_each_entity(entity, dev->media_dev) {  in au0828_media_graph_notify()
225 			if (entity->function == MEDIA_ENT_F_AUDIO_MIXER)  in au0828_media_graph_notify()
226 				mixer = entity;  in au0828_media_graph_notify()
227 			else if (entity->function == MEDIA_ENT_F_ATV_DECODER)  in au0828_media_graph_notify()
228 				decoder = entity;  in au0828_media_graph_notify()
241 		media_device_for_each_entity(entity, dev->media_dev) {  in au0828_media_graph_notify()
242 			if (entity->function == MEDIA_ENT_F_AUDIO_MIXER)  in au0828_media_graph_notify()
243 				mixer = entity;  in au0828_media_graph_notify()
266 				     struct media_entity *entity)  in au0828_is_link_shareable()  argument
275 		if (entity->function == MEDIA_ENT_F_IO_V4L ||  in au0828_is_link_shareable()
276 		    entity->function == MEDIA_ENT_F_AUDIO_CAPTURE ||  in au0828_is_link_shareable()
277 		    entity->function == MEDIA_ENT_F_IO_VBI)  in au0828_is_link_shareable()
288 static int au0828_enable_source(struct media_entity *entity,  in au0828_enable_source()  argument
295 	struct media_device *mdev = entity->graph_obj.mdev;  in au0828_enable_source()
304 	 * For Audio and V4L2 entity, find the link to which decoder  in au0828_enable_source()
308 	 * and any other entity. If one exists, source is busy. If  in au0828_enable_source()
310 	 * For DVB FE entity, the source for the link is the tuner.  in au0828_enable_source()
314 	if (entity->function == MEDIA_ENT_F_DTV_DEMOD) {  in au0828_enable_source()
315 		sink = entity;  in au0828_enable_source()
357 		if (dev->active_link_owner == entity) {  in au0828_enable_source()
362 			pr_debug("%s already owns the tuner\n", entity->name);  in au0828_enable_source()
366 			   entity)) {  in au0828_enable_source()
370 			 * Starting pipeline between sharing entity and sink  in au0828_enable_source()
377 			dev->active_link_user = entity;  in au0828_enable_source()
381 				 entity->name);  in au0828_enable_source()
392 		if (link->sink->entity == sink &&  in au0828_enable_source()
393 		    link->source->entity == find_source) {  in au0828_enable_source()
405 	source = found_link->source->entity;  in au0828_enable_source()
413 	ret = __media_pipeline_start(entity->pads, pipe);  in au0828_enable_source()
416 			source->name, entity->name, ret);  in au0828_enable_source()
428 	dev->active_link_owner = entity;  in au0828_enable_source()
437 		 __func__, entity->name, entity->function, ret);  in au0828_enable_source()
442 static void au0828_disable_source(struct media_entity *entity)  in au0828_disable_source()  argument
445 	struct media_device *mdev = entity->graph_obj.mdev;  in au0828_disable_source()
457 	 * (tuner/s-video/Composite) to the entity  in au0828_disable_source()
461 	if (dev->active_link->sink->entity == dev->active_sink &&  in au0828_disable_source()
462 	    dev->active_link->source->entity == dev->active_source) {  in au0828_disable_source()
478 				 entity->name, dev->users);  in au0828_disable_source()
488 			if (dev->active_link_owner != entity) {  in au0828_disable_source()
531 		if (dev->active_link_owner != entity)  in au0828_disable_source()
563 	struct media_entity *entity, *demod = NULL;  in au0828_media_device_register()  local
603 	media_device_for_each_entity(entity, dev->media_dev) {  in au0828_media_device_register()
604 		switch (entity->function) {  in au0828_media_device_register()
606 			dev->tuner = entity;  in au0828_media_device_register()
609 			dev->decoder = entity;  in au0828_media_device_register()
612 			demod = entity;  in au0828_media_device_register()
620 			if (demod && link->sink->entity == demod)  in au0828_media_device_register()
622 			if (dev->decoder && link->sink->entity == dev->decoder)  in au0828_media_device_register()