ASoC: topology: Use unload() op directly

struct snd_soc_dobj only needs pointer to the unload function, instead
however, there is pointer to all topology operations. Change code to use
the function pointer instead of pointer to structure containing all
operations.

Reviewed-by: Cezary Rojewski <[e-mail]>
Reviewed-by: Ranjani Sridharan <[e-mail]>
Signed-off-by: Amadeusz Sławiński <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

include/sound/soc-topology.h

···
 	enum snd_soc_dobj_type type;
 	unsigned int index;	/* objects can belong in different groups */
 	struct list_head list;
-	struct snd_soc_tplg_ops *ops;
+	int (*unload)(struct snd_soc_component *comp, struct snd_soc_dobj *dobj);
 	union {
 		struct snd_soc_dobj_control control;
 		struct snd_soc_dobj_widget widget;

sound/soc/soc-topology.c

···
 	if (pass != SOC_TPLG_PASS_CONTROL)
 		return;
 
-	if (dobj->ops && dobj->ops->control_unload)
-		dobj->ops->control_unload(comp, dobj);
+	if (dobj->unload)
+		dobj->unload(comp, dobj);
 
 	snd_ctl_remove(card, dobj->control.kcontrol);
 	list_del(&dobj->list);
···
 	if (pass != SOC_TPLG_PASS_GRAPH)
 		return;
 
-	if (dobj->ops && dobj->ops->dapm_route_unload)
-		dobj->ops->dapm_route_unload(comp, dobj);
+	if (dobj->unload)
+		dobj->unload(comp, dobj);
 
 	list_del(&dobj->list);
 }
···
 	if (pass != SOC_TPLG_PASS_WIDGET)
 		return;
 
-	if (dobj->ops && dobj->ops->widget_unload)
-		dobj->ops->widget_unload(comp, dobj);
+	if (dobj->unload)
+		dobj->unload(comp, dobj);
 
 	if (!w->kcontrols)
 		goto free_news;
···
 	if (pass != SOC_TPLG_PASS_PCM_DAI)
 		return;
 
-	if (dobj->ops && dobj->ops->dai_unload)
-		dobj->ops->dai_unload(comp, dobj);
+	if (dobj->unload)
+		dobj->unload(comp, dobj);
 
 	for_each_component_dais_safe(comp, dai, _dai)
 		if (dai->driver == dai_drv)
···
 	if (pass != SOC_TPLG_PASS_PCM_DAI)
 		return;
 
-	if (dobj->ops && dobj->ops->link_unload)
-		dobj->ops->link_unload(comp, dobj);
+	if (dobj->unload)
+		dobj->unload(comp, dobj);
 
 	list_del(&dobj->list);
 	snd_soc_remove_pcm_runtime(comp->card,
···
 	if (pass != SOC_TPLG_PASS_LINK)
 		return;
 
-	if (dobj->ops && dobj->ops->link_unload)
-		dobj->ops->link_unload(comp, dobj);
+	if (dobj->unload)
+		dobj->unload(comp, dobj);
 
 	/*
 	 * We don't free the link here as what soc_tplg_remove_link() do since BE
···
 
 	sbe->max = le32_to_cpu(be->max);
 	sbe->dobj.type = SND_SOC_DOBJ_BYTES;
-	sbe->dobj.ops = tplg->ops;
+	if (tplg->ops)
+		sbe->dobj.unload = tplg->ops->control_unload;
 	INIT_LIST_HEAD(&sbe->dobj.list);
 
 	/* map io handlers */
···
 	sm->invert = le32_to_cpu(mc->invert);
 	sm->platform_max = le32_to_cpu(mc->platform_max);
 	sm->dobj.index = tplg->index;
-	sm->dobj.ops = tplg->ops;
 	sm->dobj.type = SND_SOC_DOBJ_MIXER;
+	if (tplg->ops)
+		sm->dobj.unload = tplg->ops->control_unload;
 	INIT_LIST_HEAD(&sm->dobj.list);
 
 	/* map io handlers */
···
 	se->mask = le32_to_cpu(ec->mask);
 	se->dobj.index = tplg->index;
 	se->dobj.type = SND_SOC_DOBJ_ENUM;
-	se->dobj.ops = tplg->ops;
+	if (tplg->ops)
+		se->dobj.unload = tplg->ops->control_unload;
 	INIT_LIST_HEAD(&se->dobj.list);
 
 	switch (le32_to_cpu(ec->hdr.ops.info)) {
···
 
 		/* add route dobj to dobj_list */
 		route->dobj.type = SND_SOC_DOBJ_GRAPH;
-		route->dobj.ops = tplg->ops;
+		if (tplg->ops)
+			route->dobj.unload = tplg->ops->control_unload;
 		route->dobj.index = tplg->index;
 		list_add(&route->dobj.list, &tplg->comp->dobj_list);
 
···
 
 	widget->dobj.type = SND_SOC_DOBJ_WIDGET;
 	widget->dobj.widget.kcontrol_type = kcontrol_type;
-	widget->dobj.ops = tplg->ops;
+	if (tplg->ops)
+		widget->dobj.unload = tplg->ops->widget_unload;
 	widget->dobj.index = tplg->index;
 	list_add(&widget->dobj.list, &tplg->comp->dobj_list);
 
···
 	}
 
 	dai_drv->dobj.index = tplg->index;
-	dai_drv->dobj.ops = tplg->ops;
 	dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
+	if (tplg->ops)
+		dai_drv->dobj.unload = tplg->ops->dai_unload;
 	list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
 
 	/* register the DAI to the component */
···
 	link->num_platforms = 1;
 
 	link->dobj.index = tplg->index;
-	link->dobj.ops = tplg->ops;
 	link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
+	if (tplg->ops)
+		link->dobj.unload = tplg->ops->link_unload;
 
 	if (strlen(pcm->pcm_name)) {
 		link->name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
···
 
 	/* for unloading it in snd_soc_tplg_component_remove */
 	link->dobj.index = tplg->index;
-	link->dobj.ops = tplg->ops;
 	link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
+	if (tplg->ops)
+		link->dobj.unload = tplg->ops->link_unload;
 	list_add(&link->dobj.list, &tplg->comp->dobj_list);
 
 	return 0;