1 // SPDX-License-Identifier: GPL-2.0+
3 // soc-dapm.c  --  ALSA SoC Dynamic Audio Power Management
12 //    o Platform power domain - can support external components i.e. amps and
15 //    o Jack insertion power event initiation - e.g. hp insertion will enable
43 #define DAPM_UPDATE_STAT(widget, val) widget->dapm->card->dapm_stats.val++;
52 /* dapm power sequences - make this per codec in the future */
137 	if (snd_soc_card_is_instantiated(dapm->card))  in dapm_assert_locked()
170 	return !list_empty(&w->dirty);  in dapm_dirty_widget()
175 	dapm_assert_locked(w->dapm);  in dapm_mark_dirty()
178 		dev_vdbg(w->dapm->dev, "Marking %s dirty due to %s\n",  in dapm_mark_dirty()
179 			 w->name, reason);  in dapm_mark_dirty()
180 		list_add_tail(&w->dirty, &w->dapm->card->dapm_dirty);  in dapm_mark_dirty()
199 	dapm_assert_locked(w->dapm);  in dapm_widget_invalidate_paths()
201 	if (w->endpoints[dir] == -1)  in dapm_widget_invalidate_paths()
204 	list_add_tail(&w->work_list, &list);  in dapm_widget_invalidate_paths()
205 	w->endpoints[dir] = -1;  in dapm_widget_invalidate_paths()
209 			if (p->is_supply || !p->connect)  in dapm_widget_invalidate_paths()
211 			node = p->node[rdir];  in dapm_widget_invalidate_paths()
212 			if (node->endpoints[dir] != -1) {  in dapm_widget_invalidate_paths()
213 				node->endpoints[dir] = -1;  in dapm_widget_invalidate_paths()
214 				list_add_tail(&node->work_list, &list);  in dapm_widget_invalidate_paths()
221  * dapm_widget_invalidate_input_paths() - Invalidate the cached number of
238  * dapm_widget_invalidate_output_paths() - Invalidate the cached number of
255  * dapm_path_invalidate() - Invalidates the cached number of inputs and outputs
271 	if (p->is_supply)  in dapm_path_invalidate()
278 	 * so there is no need to re-check the path.  in dapm_path_invalidate()
280 	if (p->source->endpoints[SND_SOC_DAPM_DIR_IN] != 0)  in dapm_path_invalidate()
281 		dapm_widget_invalidate_input_paths(p->sink);  in dapm_path_invalidate()
282 	if (p->sink->endpoints[SND_SOC_DAPM_DIR_OUT] != 0)  in dapm_path_invalidate()
283 		dapm_widget_invalidate_output_paths(p->source);  in dapm_path_invalidate()
293 		if (w->is_ep) {  in snd_soc_dapm_mark_endpoints_dirty()
295 			if (w->is_ep & SND_SOC_DAPM_EP_SINK)  in snd_soc_dapm_mark_endpoints_dirty()
297 			if (w->is_ep & SND_SOC_DAPM_EP_SOURCE)  in snd_soc_dapm_mark_endpoints_dirty()
317 		w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, _widget->name);  in dapm_cnew_widget()
319 		w->name = kstrdup_const(_widget->name, GFP_KERNEL);  in dapm_cnew_widget()
320 	if (!w->name)  in dapm_cnew_widget()
323 	if (_widget->sname) {  in dapm_cnew_widget()
324 		w->sname = kstrdup_const(_widget->sname, GFP_KERNEL);  in dapm_cnew_widget()
325 		if (!w->sname) {  in dapm_cnew_widget()
326 			kfree_const(w->name);  in dapm_cnew_widget()
343 	if (!dapm->component)  in soc_dapm_read()
344 		return -EIO;  in soc_dapm_read()
345 	return  snd_soc_component_read(dapm->component, reg);  in soc_dapm_read()
353 		p->sink->kcontrol_news[i].private_value;  in dapm_set_mixer_path_status()
354 	unsigned int reg = mc->reg;  in dapm_set_mixer_path_status()
355 	unsigned int invert = mc->invert;  in dapm_set_mixer_path_status()
358 		unsigned int shift = mc->shift;  in dapm_set_mixer_path_status()
359 		unsigned int max = mc->max;  in dapm_set_mixer_path_status()
360 		unsigned int mask = (1 << fls(max)) - 1;  in dapm_set_mixer_path_status()
361 		unsigned int val = soc_dapm_read(p->sink->dapm, reg);  in dapm_set_mixer_path_status()
376 			if (reg != mc->rreg)  in dapm_set_mixer_path_status()
377 				val = soc_dapm_read(p->sink->dapm, mc->rreg);  in dapm_set_mixer_path_status()
378 			val = (val >> mc->rshift) & mask;  in dapm_set_mixer_path_status()
383 			val = max - val;  in dapm_set_mixer_path_status()
384 		p->connect = !!val;  in dapm_set_mixer_path_status()
392 		p->connect = invert;  in dapm_set_mixer_path_status()
401 	const struct snd_kcontrol_new *kcontrol = &w->kcontrol_news[0];  in dapm_connect_mux()
402 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;  in dapm_connect_mux()
406 	if (e->reg != SND_SOC_NOPM) {  in dapm_connect_mux()
409 		val = soc_dapm_read(dapm, e->reg);  in dapm_connect_mux()
410 		val = (val >> e->shift_l) & e->mask;  in dapm_connect_mux()
422 	i = match_string(e->texts, e->items, control_name);  in dapm_connect_mux()
424 		return -ENODEV;  in dapm_connect_mux()
426 	path->name = e->texts[i];  in dapm_connect_mux()
427 	path->connect = (i == item);  in dapm_connect_mux()
439 	for (i = 0; i < path->sink->num_kcontrols; i++) {  in dapm_connect_mixer()
440 		if (!strcmp(control_name, path->sink->kcontrol_news[i].name)) {  in dapm_connect_mixer()
441 			path->name = path->sink->kcontrol_news[i].name;  in dapm_connect_mixer()
446 	return -ENODEV;  in dapm_connect_mixer()
450  * dapm_update_widget_flags() - Re-compute widget sink and source flags
464 	switch (w->id) {  in dapm_update_widget_flags()
467 		if (w->dapm->card->fully_routed)  in dapm_update_widget_flags()
471 			if (p->source->id == snd_soc_dapm_micbias ||  in dapm_update_widget_flags()
472 			    p->source->id == snd_soc_dapm_mic ||  in dapm_update_widget_flags()
473 			    p->source->id == snd_soc_dapm_line ||  in dapm_update_widget_flags()
474 			    p->source->id == snd_soc_dapm_output) {  in dapm_update_widget_flags()
482 		if (w->dapm->card->fully_routed)  in dapm_update_widget_flags()
486 			if (p->sink->id == snd_soc_dapm_spk ||  in dapm_update_widget_flags()
487 			    p->sink->id == snd_soc_dapm_hp ||  in dapm_update_widget_flags()
488 			    p->sink->id == snd_soc_dapm_line ||  in dapm_update_widget_flags()
489 			    p->sink->id == snd_soc_dapm_input) {  in dapm_update_widget_flags()
498 			if (!list_empty(&w->edges[dir]))  in dapm_update_widget_flags()
506 	w->is_ep = ep;  in dapm_update_widget_flags()
520 	switch (source->id) {  in snd_soc_dapm_check_dynamic_path()
528 	switch (sink->id) {  in snd_soc_dapm_check_dynamic_path()
540 		dev_err(dapm->dev,  in snd_soc_dapm_check_dynamic_path()
541 			"Direct connection between demux and mixer/mux not supported for path %s -> [%s] -> %s\n",  in snd_soc_dapm_check_dynamic_path()
542 			source->name, control, sink->name);  in snd_soc_dapm_check_dynamic_path()
543 		return -EINVAL;  in snd_soc_dapm_check_dynamic_path()
545 		dev_err(dapm->dev,  in snd_soc_dapm_check_dynamic_path()
546 			"Control not supported for path %s -> [%s] -> %s\n",  in snd_soc_dapm_check_dynamic_path()
547 			source->name, control, sink->name);  in snd_soc_dapm_check_dynamic_path()
548 		return -EINVAL;  in snd_soc_dapm_check_dynamic_path()
565 	if (wsink->is_supply && !wsource->is_supply) {  in snd_soc_dapm_add_path()
566 		dev_err(dapm->dev,  in snd_soc_dapm_add_path()
567 			"Connecting non-supply widget to supply widget is not supported (%s -> %s)\n",  in snd_soc_dapm_add_path()
568 			wsource->name, wsink->name);  in snd_soc_dapm_add_path()
569 		return -EINVAL;  in snd_soc_dapm_add_path()
572 	if (connected && !wsource->is_supply) {  in snd_soc_dapm_add_path()
573 		dev_err(dapm->dev,  in snd_soc_dapm_add_path()
574 			"connected() callback only supported for supply widgets (%s -> %s)\n",  in snd_soc_dapm_add_path()
575 			wsource->name, wsink->name);  in snd_soc_dapm_add_path()
576 		return -EINVAL;  in snd_soc_dapm_add_path()
579 	if (wsource->is_supply && control) {  in snd_soc_dapm_add_path()
580 		dev_err(dapm->dev,  in snd_soc_dapm_add_path()
581 			"Conditional paths are not supported for supply widgets (%s -> [%s] -> %s)\n",  in snd_soc_dapm_add_path()
582 			wsource->name, control, wsink->name);  in snd_soc_dapm_add_path()
583 		return -EINVAL;  in snd_soc_dapm_add_path()
592 		return -ENOMEM;  in snd_soc_dapm_add_path()
594 	path->node[SND_SOC_DAPM_DIR_IN] = wsource;  in snd_soc_dapm_add_path()
595 	path->node[SND_SOC_DAPM_DIR_OUT] = wsink;  in snd_soc_dapm_add_path()
597 	path->connected = connected;  in snd_soc_dapm_add_path()
598 	INIT_LIST_HEAD(&path->list);  in snd_soc_dapm_add_path()
599 	INIT_LIST_HEAD(&path->list_kcontrol);  in snd_soc_dapm_add_path()
601 	if (wsource->is_supply || wsink->is_supply)  in snd_soc_dapm_add_path()
602 		path->is_supply = 1;  in snd_soc_dapm_add_path()
606 		path->connect = 1;  in snd_soc_dapm_add_path()
608 		switch (wsource->id) {  in snd_soc_dapm_add_path()
618 		switch (wsink->id) {  in snd_soc_dapm_add_path()
636 	list_add(&path->list, &dapm->card->paths);  in snd_soc_dapm_add_path()
639 		list_add(&path->list_node[dir], &path->node[dir]->edges[dir]);  in snd_soc_dapm_add_path()
642 		dapm_update_widget_flags(path->node[dir]);  in snd_soc_dapm_add_path()
643 		dapm_mark_dirty(path->node[dir], "Route added");  in snd_soc_dapm_add_path()
646 	if (snd_soc_card_is_instantiated(dapm->card) && path->connect)  in snd_soc_dapm_add_path()
666 		return -ENOMEM;  in dapm_kcontrol_data_alloc()
668 	INIT_LIST_HEAD(&data->paths);  in dapm_kcontrol_data_alloc()
670 	switch (widget->id) {  in dapm_kcontrol_data_alloc()
674 		mc = (struct soc_mixer_control *)kcontrol->private_value;  in dapm_kcontrol_data_alloc()
676 		if (mc->autodisable) {  in dapm_kcontrol_data_alloc()
680 				dev_warn(widget->dapm->dev,  in dapm_kcontrol_data_alloc()
687 				ret = -ENOMEM;  in dapm_kcontrol_data_alloc()
692 			template.reg = mc->reg;  in dapm_kcontrol_data_alloc()
693 			template.mask = (1 << fls(mc->max)) - 1;  in dapm_kcontrol_data_alloc()
694 			template.shift = mc->shift;  in dapm_kcontrol_data_alloc()
695 			if (mc->invert)  in dapm_kcontrol_data_alloc()
696 				template.off_val = mc->max;  in dapm_kcontrol_data_alloc()
703 			data->value = template.on_val;  in dapm_kcontrol_data_alloc()
705 			data->widget =  in dapm_kcontrol_data_alloc()
706 				snd_soc_dapm_new_control_unlocked(widget->dapm,  in dapm_kcontrol_data_alloc()
709 			if (IS_ERR(data->widget)) {  in dapm_kcontrol_data_alloc()
710 				ret = PTR_ERR(data->widget);  in dapm_kcontrol_data_alloc()
717 		e = (struct soc_enum *)kcontrol->private_value;  in dapm_kcontrol_data_alloc()
719 		if (e->autodisable) {  in dapm_kcontrol_data_alloc()
725 				ret = -ENOMEM;  in dapm_kcontrol_data_alloc()
730 			template.reg = e->reg;  in dapm_kcontrol_data_alloc()
731 			template.mask = e->mask;  in dapm_kcontrol_data_alloc()
732 			template.shift = e->shift_l;  in dapm_kcontrol_data_alloc()
738 			data->value = template.on_val;  in dapm_kcontrol_data_alloc()
740 			data->widget = snd_soc_dapm_new_control_unlocked(  in dapm_kcontrol_data_alloc()
741 						widget->dapm, &template);  in dapm_kcontrol_data_alloc()
743 			if (IS_ERR(data->widget)) {  in dapm_kcontrol_data_alloc()
744 				ret = PTR_ERR(data->widget);  in dapm_kcontrol_data_alloc()
748 			snd_soc_dapm_add_path(widget->dapm, data->widget,  in dapm_kcontrol_data_alloc()
750 		} else if (e->reg != SND_SOC_NOPM) {  in dapm_kcontrol_data_alloc()
751 			data->value = soc_dapm_read(widget->dapm, e->reg) &  in dapm_kcontrol_data_alloc()
752 				      (e->mask << e->shift_l);  in dapm_kcontrol_data_alloc()
759 	kcontrol->private_data = data;  in dapm_kcontrol_data_alloc()
772 	list_del(&data->paths);  in dapm_kcontrol_free()
773 	kfree(data->wlist);  in dapm_kcontrol_free()
782 	return data->wlist;  in dapm_kcontrol_get_wlist()
792 	if (data->wlist)  in dapm_kcontrol_add_widget()
793 		n = data->wlist->num_widgets + 1;  in dapm_kcontrol_add_widget()
797 	new_wlist = krealloc(data->wlist,  in dapm_kcontrol_add_widget()
801 		return -ENOMEM;  in dapm_kcontrol_add_widget()
803 	new_wlist->num_widgets = n;  in dapm_kcontrol_add_widget()
804 	new_wlist->widgets[n - 1] = widget;  in dapm_kcontrol_add_widget()
806 	data->wlist = new_wlist;  in dapm_kcontrol_add_widget()
816 	list_add_tail(&path->list_kcontrol, &data->paths);  in dapm_kcontrol_add_path()
823 	if (!data->widget)  in dapm_kcontrol_is_powered()
826 	return data->widget->power;  in dapm_kcontrol_is_powered()
834 	return &data->paths;  in dapm_kcontrol_get_path_list()
845 	return data->value;  in dapm_kcontrol_get_value()
854 	if (data->value == value)  in dapm_kcontrol_set_value()
857 	if (data->widget) {  in dapm_kcontrol_set_value()
858 		switch (dapm_kcontrol_get_wlist(kcontrol)->widgets[0]->id) {  in dapm_kcontrol_set_value()
862 			data->widget->on_val = value & data->widget->mask;  in dapm_kcontrol_set_value()
866 			data->widget->on_val = value >> data->widget->shift;  in dapm_kcontrol_set_value()
869 			data->widget->on_val = value;  in dapm_kcontrol_set_value()
874 	data->value = value;  in dapm_kcontrol_set_value()
880  * snd_soc_dapm_kcontrol_widget() - Returns the widget associated to a
887 	return dapm_kcontrol_get_wlist(kcontrol)->widgets[0];  in snd_soc_dapm_kcontrol_widget()
892  * snd_soc_dapm_kcontrol_dapm() - Returns the dapm context associated to a
902 	return dapm_kcontrol_get_wlist(kcontrol)->widgets[0]->dapm;  in snd_soc_dapm_kcontrol_dapm()
912 	memset(&card->dapm_stats, 0, sizeof(card->dapm_stats));  in dapm_reset()
915 		w->new_power = w->power;  in dapm_reset()
916 		w->power_checked = false;  in dapm_reset()
922 	if (!dapm->component)  in soc_dapm_prefix()
924 	return dapm->component->name_prefix;  in soc_dapm_prefix()
930 	if (!dapm->component)  in soc_dapm_update_bits()
931 		return -EIO;  in soc_dapm_update_bits()
932 	return snd_soc_component_update_bits(dapm->component, reg,  in soc_dapm_update_bits()
939 	if (!dapm->component)  in soc_dapm_test_bits()
940 		return -EIO;  in soc_dapm_test_bits()
941 	return snd_soc_component_test_bits(dapm->component, reg, mask, value);  in soc_dapm_test_bits()
946 	if (dapm->component)  in soc_dapm_async_complete()
947 		snd_soc_component_async_complete(dapm->component);  in soc_dapm_async_complete()
954 		struct list_head *wlist = &w->dapm->card->widgets;  in dapm_wcache_lookup()
959 			if (!strcmp(name, w->name))  in dapm_wcache_lookup()
971  * snd_soc_dapm_force_bias_level() - Sets the DAPM bias level
992 	if (dapm->component)  in snd_soc_dapm_force_bias_level()
993 		ret = snd_soc_component_set_bias_level(dapm->component, level);  in snd_soc_dapm_force_bias_level()
996 		dapm->bias_level = level;  in snd_soc_dapm_force_bias_level()
1003  * snd_soc_dapm_set_bias_level - set the bias level for the system
1014 	struct snd_soc_card *card = dapm->card;  in snd_soc_dapm_set_bias_level()
1023 	if (dapm != &card->dapm)  in snd_soc_dapm_set_bias_level()
1050 	for_each_card_widgets(dapm->card, w) {  in dapm_is_shared_kcontrol()
1051 		if (w == kcontrolw || w->dapm != kcontrolw->dapm)  in dapm_is_shared_kcontrol()
1053 		for (i = 0; i < w->num_kcontrols; i++) {  in dapm_is_shared_kcontrol()
1054 			if (&w->kcontrol_news[i] == kcontrol_new) {  in dapm_is_shared_kcontrol()
1055 				if (w->kcontrols)  in dapm_is_shared_kcontrol()
1056 					*kcontrol = w->kcontrols[i];  in dapm_is_shared_kcontrol()
1072 	struct snd_soc_dapm_context *dapm = w->dapm;  in dapm_create_or_share_kcontrol()
1073 	struct snd_card *card = dapm->card->snd_card;  in dapm_create_or_share_kcontrol()
1089 	shared = dapm_is_shared_kcontrol(dapm, w, &w->kcontrol_news[kci],  in dapm_create_or_share_kcontrol()
1097 			switch (w->id) {  in dapm_create_or_share_kcontrol()
1116 				return -EINVAL;  in dapm_create_or_share_kcontrol()
1119 		if (w->no_wname_in_kcontrol_name)  in dapm_create_or_share_kcontrol()
1130 				 w->name + prefix_len,  in dapm_create_or_share_kcontrol()
1131 				 w->kcontrol_news[kci].name);  in dapm_create_or_share_kcontrol()
1133 				return -ENOMEM;  in dapm_create_or_share_kcontrol()
1138 			name = w->name + prefix_len;  in dapm_create_or_share_kcontrol()
1141 			name = w->kcontrol_news[kci].name;  in dapm_create_or_share_kcontrol()
1144 		kcontrol = snd_soc_cnew(&w->kcontrol_news[kci], NULL, name,  in dapm_create_or_share_kcontrol()
1147 			ret = -ENOMEM;  in dapm_create_or_share_kcontrol()
1151 		kcontrol->private_free = dapm_kcontrol_free;  in dapm_create_or_share_kcontrol()
1161 			dev_err(dapm->dev,  in dapm_create_or_share_kcontrol()
1163 				w->name, name, ret);  in dapm_create_or_share_kcontrol()
1170 		w->kcontrols[kci] = kcontrol;  in dapm_create_or_share_kcontrol()
1186 	for (i = 0; i < w->num_kcontrols; i++) {  in dapm_new_mixer()
1190 			if (path->name != (char *)w->kcontrol_news[i].name)  in dapm_new_mixer()
1193 			if (!w->kcontrols[i]) {  in dapm_new_mixer()
1199 			dapm_kcontrol_add_path(w->kcontrols[i], path);  in dapm_new_mixer()
1201 			data = snd_kcontrol_chip(w->kcontrols[i]);  in dapm_new_mixer()
1202 			if (data->widget)  in dapm_new_mixer()
1203 				snd_soc_dapm_add_path(data->widget->dapm,  in dapm_new_mixer()
1204 						      data->widget,  in dapm_new_mixer()
1205 						      path->source,  in dapm_new_mixer()
1216 	struct snd_soc_dapm_context *dapm = w->dapm;  in dapm_new_mux()
1222 	switch (w->id) {  in dapm_new_mux()
1232 		return -EINVAL;  in dapm_new_mux()
1235 	if (w->num_kcontrols != 1) {  in dapm_new_mux()
1236 		dev_err(dapm->dev,  in dapm_new_mux()
1238 			w->name);  in dapm_new_mux()
1239 		return -EINVAL;  in dapm_new_mux()
1242 	if (list_empty(&w->edges[dir])) {  in dapm_new_mux()
1243 		dev_err(dapm->dev, "ASoC: %s %s has no paths\n", type, w->name);  in dapm_new_mux()
1244 		return -EINVAL;  in dapm_new_mux()
1252 		if (path->name)  in dapm_new_mux()
1253 			dapm_kcontrol_add_path(w->kcontrols[0], path);  in dapm_new_mux()
1264 	for (i = 0; i < w->num_kcontrols; i++) {  in dapm_new_pga()
1277 	struct snd_soc_pcm_runtime *rtd = w->priv;  in dapm_new_dai_link()  local
1280 	if (rtd->dai_link->num_c2c_params <= 1)  in dapm_new_dai_link()
1284 	for (i = 0; i < w->num_kcontrols; i++) {  in dapm_new_dai_link()
1285 		struct snd_soc_dapm_context *dapm = w->dapm;  in dapm_new_dai_link()
1286 		struct snd_card *card = dapm->card->snd_card;  in dapm_new_dai_link()
1287 		struct snd_kcontrol *kcontrol = snd_soc_cnew(&w->kcontrol_news[i],  in dapm_new_dai_link()
1288 							     w, w->name, NULL);  in dapm_new_dai_link()
1292 			dev_err(dapm->dev,  in dapm_new_dai_link()
1294 				w->name, w->kcontrol_news[i].name, ret);  in dapm_new_dai_link()
1297 		kcontrol->private_data = w;  in dapm_new_dai_link()
1298 		w->kcontrols[i] = kcontrol;  in dapm_new_dai_link()
1305  * the ALSA card - when we are suspending the ALSA state for the card
1310 	int level = snd_power_get_state(widget->dapm->card->snd_card);  in snd_soc_dapm_suspend_check()
1315 		if (widget->ignore_suspend)  in snd_soc_dapm_suspend_check()
1316 			dev_dbg(widget->dapm->dev, "ASoC: %s ignoring suspend\n",  in snd_soc_dapm_suspend_check()
1317 				widget->name);  in snd_soc_dapm_suspend_check()
1318 		return widget->ignore_suspend;  in snd_soc_dapm_suspend_check()
1342 		return -ENOMEM;  in dapm_widget_list_create()
1344 	(*list)->num_widgets = size;  in dapm_widget_list_create()
1347 		(*list)->widgets[i++] = w;  in dapm_widget_list_create()
1349 	(*list)->num_widgets = i;  in dapm_widget_list_create()
1365 	widget->endpoints[dir] = -1;  in invalidate_paths_ep()
1368 		if (path->is_supply)  in invalidate_paths_ep()
1371 		if (path->walking)  in invalidate_paths_ep()
1374 		if (path->connect) {  in invalidate_paths_ep()
1375 			path->walking = 1;  in invalidate_paths_ep()
1376 			invalidate_paths_ep(path->node[dir], dir);  in invalidate_paths_ep()
1377 			path->walking = 0;  in invalidate_paths_ep()
1401 	if (widget->endpoints[dir] >= 0)  in is_connected_ep()
1402 		return widget->endpoints[dir];  in is_connected_ep()
1408 		list_add_tail(&widget->work_list, list);  in is_connected_ep()
1415 	if ((widget->is_ep & SND_SOC_DAPM_DIR_TO_EP(dir)) && widget->connected) {  in is_connected_ep()
1416 		widget->endpoints[dir] = snd_soc_dapm_suspend_check(widget);  in is_connected_ep()
1417 		return widget->endpoints[dir];  in is_connected_ep()
1423 		if (path->is_supply)  in is_connected_ep()
1426 		if (path->walking)  in is_connected_ep()
1431 		if (path->connect) {  in is_connected_ep()
1432 			path->walking = 1;  in is_connected_ep()
1433 			con += fn(path->node[dir], list, custom_stop_condition);  in is_connected_ep()
1434 			path->walking = 0;  in is_connected_ep()
1438 	widget->endpoints[dir] = con;  in is_connected_ep()
1480  * snd_soc_dapm_dai_get_connected_widgets - query audio path and it's widgets.
1485  *                         walk based on custom logic.
1503 	struct snd_soc_card *card = dai->component->card;  in snd_soc_dapm_dai_get_connected_widgets()
1549 	soc_dapm_async_complete(w->dapm);  in snd_soc_dapm_regulator_event()
1552 		if (w->on_val & SND_SOC_DAPM_REGULATOR_BYPASS) {  in snd_soc_dapm_regulator_event()
1553 			ret = regulator_allow_bypass(w->regulator, false);  in snd_soc_dapm_regulator_event()
1555 				dev_warn(w->dapm->dev,  in snd_soc_dapm_regulator_event()
1557 					 w->name, ret);  in snd_soc_dapm_regulator_event()
1560 		return regulator_enable(w->regulator);  in snd_soc_dapm_regulator_event()
1562 		if (w->on_val & SND_SOC_DAPM_REGULATOR_BYPASS) {  in snd_soc_dapm_regulator_event()
1563 			ret = regulator_allow_bypass(w->regulator, true);  in snd_soc_dapm_regulator_event()
1565 				dev_warn(w->dapm->dev,  in snd_soc_dapm_regulator_event()
1567 					 w->name, ret);  in snd_soc_dapm_regulator_event()
1570 		return regulator_disable_deferred(w->regulator, w->shift);  in snd_soc_dapm_regulator_event()
1581 	struct snd_soc_dapm_pinctrl_priv *priv = w->priv;  in snd_soc_dapm_pinctrl_event()
1582 	struct pinctrl *p = w->pinctrl;  in snd_soc_dapm_pinctrl_event()
1586 		return -EIO;  in snd_soc_dapm_pinctrl_event()
1589 		s = pinctrl_lookup_state(p, priv->active_state);  in snd_soc_dapm_pinctrl_event()
1591 		s = pinctrl_lookup_state(p, priv->sleep_state);  in snd_soc_dapm_pinctrl_event()
1606 	if (!w->clk)  in snd_soc_dapm_clock_event()
1607 		return -EIO;  in snd_soc_dapm_clock_event()
1609 	soc_dapm_async_complete(w->dapm);  in snd_soc_dapm_clock_event()
1612 		return clk_prepare_enable(w->clk);  in snd_soc_dapm_clock_event()
1614 		clk_disable_unprepare(w->clk);  in snd_soc_dapm_clock_event()
1624 	if (w->power_checked)  in dapm_widget_power_check()
1625 		return w->new_power;  in dapm_widget_power_check()
1627 	if (w->force)  in dapm_widget_power_check()
1628 		w->new_power = 1;  in dapm_widget_power_check()
1630 		w->new_power = w->power_check(w);  in dapm_widget_power_check()
1632 	w->power_checked = true;  in dapm_widget_power_check()
1634 	return w->new_power;  in dapm_widget_power_check()
1660 		if (path->connected &&  in dapm_supply_check_power()
1661 		    !path->connected(path->source, path->sink))  in dapm_supply_check_power()
1664 		if (dapm_widget_power_check(path->sink))  in dapm_supply_check_power()
1673 	return w->connected;  in dapm_always_on_check_power()
1690 	WARN_ONCE(sort[a->id] == 0, "offset a->id %d not initialized\n", a->id);  in dapm_seq_compare()
1691 	WARN_ONCE(sort[b->id] == 0, "offset b->id %d not initialized\n", b->id);  in dapm_seq_compare()
1693 	if (sort[a->id] != sort[b->id])  in dapm_seq_compare()
1694 		return sort[a->id] - sort[b->id];  in dapm_seq_compare()
1695 	if (a->subseq != b->subseq) {  in dapm_seq_compare()
1697 			return a->subseq - b->subseq;  in dapm_seq_compare()
1699 			return b->subseq - a->subseq;  in dapm_seq_compare()
1701 	if (a->reg != b->reg)  in dapm_seq_compare()
1702 		return a->reg - b->reg;  in dapm_seq_compare()
1703 	if (a->dapm != b->dapm)  in dapm_seq_compare()
1704 		return (unsigned long)a->dapm - (unsigned long)b->dapm;  in dapm_seq_compare()
1718 			list_add_tail(&new_widget->power_list, &w->power_list);  in dapm_seq_insert()
1722 	list_add_tail(&new_widget->power_list, list);  in dapm_seq_insert()
1761 	if (w->new_power != power)  in dapm_seq_check_event()
1764 	if (w->event && (w->event_flags & event)) {  in dapm_seq_check_event()
1767 		pop_dbg(w->dapm->dev, card->pop_time, "pop test : %s %s\n",  in dapm_seq_check_event()
1768 			w->name, ev_name);  in dapm_seq_check_event()
1769 		soc_dapm_async_complete(w->dapm);  in dapm_seq_check_event()
1771 		ret = w->event(w, NULL, event);  in dapm_seq_check_event()
1774 			dev_err(w->dapm->dev, "ASoC: %s: %s event failed: %d\n",  in dapm_seq_check_event()
1775 			       ev_name, w->name, ret);  in dapm_seq_check_event()
1790 	reg = w->reg;  in dapm_seq_run_coalesced()
1791 	dapm = w->dapm;  in dapm_seq_run_coalesced()
1794 		WARN_ON(reg != w->reg || dapm != w->dapm);  in dapm_seq_run_coalesced()
1795 		w->power = w->new_power;  in dapm_seq_run_coalesced()
1797 		mask |= w->mask << w->shift;  in dapm_seq_run_coalesced()
1798 		if (w->power)  in dapm_seq_run_coalesced()
1799 			value |= w->on_val << w->shift;  in dapm_seq_run_coalesced()
1801 			value |= w->off_val << w->shift;  in dapm_seq_run_coalesced()
1803 		pop_dbg(dapm->dev, card->pop_time,  in dapm_seq_run_coalesced()
1805 			w->name, reg, value, mask);  in dapm_seq_run_coalesced()
1817 		pop_dbg(dapm->dev, card->pop_time,  in dapm_seq_run_coalesced()
1819 			value, mask, reg, card->pop_time);  in dapm_seq_run_coalesced()
1820 		pop_wait(card->pop_time);  in dapm_seq_run_coalesced()
1832  * We walk over a pre-sorted list of widgets to apply power to.  In
1844 	int cur_sort = -1;  in dapm_seq_run()
1845 	int cur_subseq = -1;  in dapm_seq_run()
1860 		if (sort[w->id] != cur_sort || w->reg != cur_reg ||  in dapm_seq_run()
1861 		    w->dapm != cur_dapm || w->subseq != cur_subseq) {  in dapm_seq_run()
1865 			if (cur_dapm && cur_dapm->component) {  in dapm_seq_run()
1869 							cur_dapm->component,  in dapm_seq_run()
1873 			if (cur_dapm && w->dapm != cur_dapm)  in dapm_seq_run()
1877 			cur_sort = -1;  in dapm_seq_run()
1883 		switch (w->id) {  in dapm_seq_run()
1885 			if (!w->event)  in dapm_seq_run()
1889 				ret = w->event(w,  in dapm_seq_run()
1892 				ret = w->event(w,  in dapm_seq_run()
1897 			if (!w->event)  in dapm_seq_run()
1901 				ret = w->event(w,  in dapm_seq_run()
1904 				ret = w->event(w,  in dapm_seq_run()
1910 			cur_sort = sort[w->id];  in dapm_seq_run()
1911 			cur_subseq = w->subseq;  in dapm_seq_run()
1912 			cur_reg = w->reg;  in dapm_seq_run()
1913 			cur_dapm = w->dapm;  in dapm_seq_run()
1914 			list_move(&w->power_list, &pending);  in dapm_seq_run()
1919 			dev_err(w->dapm->dev,  in dapm_seq_run()
1926 	if (cur_dapm && cur_dapm->component) {  in dapm_seq_run()
1930 					cur_dapm->component,  in dapm_seq_run()
1945 	if (!update || !dapm_kcontrol_is_powered(update->kcontrol))  in dapm_widget_update()
1948 	wlist = dapm_kcontrol_get_wlist(update->kcontrol);  in dapm_widget_update()
1951 		if (w->event && (w->event_flags & SND_SOC_DAPM_PRE_REG)) {  in dapm_widget_update()
1952 			ret = w->event(w, update->kcontrol, SND_SOC_DAPM_PRE_REG);  in dapm_widget_update()
1954 				dev_err(w->dapm->dev, "ASoC: %s DAPM pre-event failed: %d\n",  in dapm_widget_update()
1955 					   w->name, ret);  in dapm_widget_update()
1962 	ret = soc_dapm_update_bits(w->dapm, update->reg, update->mask,  in dapm_widget_update()
1963 		update->val);  in dapm_widget_update()
1965 		dev_err(w->dapm->dev, "ASoC: %s DAPM update failed: %d\n",  in dapm_widget_update()
1966 			w->name, ret);  in dapm_widget_update()
1968 	if (update->has_second_set) {  in dapm_widget_update()
1969 		ret = soc_dapm_update_bits(w->dapm, update->reg2,  in dapm_widget_update()
1970 					   update->mask2, update->val2);  in dapm_widget_update()
1972 			dev_err(w->dapm->dev,  in dapm_widget_update()
1974 				w->name, ret);  in dapm_widget_update()
1978 		if (w->event && (w->event_flags & SND_SOC_DAPM_POST_REG)) {  in dapm_widget_update()
1979 			ret = w->event(w, update->kcontrol, SND_SOC_DAPM_POST_REG);  in dapm_widget_update()
1981 				dev_err(w->dapm->dev, "ASoC: %s DAPM post-event failed: %d\n",  in dapm_widget_update()
1982 					   w->name, ret);  in dapm_widget_update()
1987 /* Async callback run prior to DAPM sequences - brings to _PREPARE if
1996 	if (dapm->bias_level == SND_SOC_BIAS_OFF &&  in dapm_pre_sequence_async()
1997 	    dapm->target_bias_level != SND_SOC_BIAS_OFF) {  in dapm_pre_sequence_async()
1998 		if (dapm->dev && cookie)  in dapm_pre_sequence_async()
1999 			pm_runtime_get_sync(dapm->dev);  in dapm_pre_sequence_async()
2003 			dev_err(dapm->dev,  in dapm_pre_sequence_async()
2008 	if ((dapm->target_bias_level == SND_SOC_BIAS_ON &&  in dapm_pre_sequence_async()
2009 	     dapm->bias_level != SND_SOC_BIAS_ON) ||  in dapm_pre_sequence_async()
2010 	    (dapm->target_bias_level != SND_SOC_BIAS_ON &&  in dapm_pre_sequence_async()
2011 	     dapm->bias_level == SND_SOC_BIAS_ON)) {  in dapm_pre_sequence_async()
2014 			dev_err(dapm->dev,  in dapm_pre_sequence_async()
2019 /* Async callback run prior to DAPM sequences - brings to their final
2028 	if (dapm->bias_level == SND_SOC_BIAS_PREPARE &&  in dapm_post_sequence_async()
2029 	    (dapm->target_bias_level == SND_SOC_BIAS_STANDBY ||  in dapm_post_sequence_async()
2030 	     dapm->target_bias_level == SND_SOC_BIAS_OFF)) {  in dapm_post_sequence_async()
2033 			dev_err(dapm->dev, "ASoC: Failed to apply standby bias: %d\n",  in dapm_post_sequence_async()
2038 	if (dapm->bias_level == SND_SOC_BIAS_STANDBY &&  in dapm_post_sequence_async()
2039 	    dapm->target_bias_level == SND_SOC_BIAS_OFF) {  in dapm_post_sequence_async()
2042 			dev_err(dapm->dev, "ASoC: Failed to turn off bias: %d\n",  in dapm_post_sequence_async()
2045 		if (dapm->dev && cookie)  in dapm_post_sequence_async()
2046 			pm_runtime_put(dapm->dev);  in dapm_post_sequence_async()
2050 	if (dapm->bias_level == SND_SOC_BIAS_PREPARE &&  in dapm_post_sequence_async()
2051 	    dapm->target_bias_level == SND_SOC_BIAS_ON) {  in dapm_post_sequence_async()
2054 			dev_err(dapm->dev, "ASoC: Failed to apply active bias: %d\n",  in dapm_post_sequence_async()
2070 	if (power != peer->power)  in dapm_widget_set_peer_power()
2081 	switch (w->id) {  in dapm_power_one_widget()
2094 	if (w->power == power)  in dapm_power_one_widget()
2104 		dapm_widget_set_peer_power(path->source, power, path->connect);  in dapm_power_one_widget()
2109 	if (!w->is_supply)  in dapm_power_one_widget()
2111 			dapm_widget_set_peer_power(path->sink, power, path->connect);  in dapm_power_one_widget()
2122 	if (dapm->idle_bias_off)  in dapm_idle_bias_off()
2125 	switch (snd_power_get_state(dapm->card->snd_card)) {  in dapm_idle_bias_off()
2128 		return dapm->suspend_bias_off;  in dapm_idle_bias_off()
2138  * A complete path is a route that has valid endpoints i.e.:-
2162 			d->target_bias_level = SND_SOC_BIAS_OFF;  in dapm_power_widgets()
2164 			d->target_bias_level = SND_SOC_BIAS_STANDBY;  in dapm_power_widgets()
2175 	list_for_each_entry(w, &card->dapm_dirty, dirty) {  in dapm_power_widgets()
2180 		switch (w->id) {  in dapm_power_widgets()
2186 			list_del_init(&w->dirty);  in dapm_power_widgets()
2190 		if (w->new_power) {  in dapm_power_widgets()
2191 			d = w->dapm;  in dapm_power_widgets()
2200 			switch (w->id) {  in dapm_power_widgets()
2209 				if (d->target_bias_level < SND_SOC_BIAS_STANDBY)  in dapm_power_widgets()
2210 					d->target_bias_level = SND_SOC_BIAS_STANDBY;  in dapm_power_widgets()
2213 				d->target_bias_level = SND_SOC_BIAS_ON;  in dapm_power_widgets()
2225 		if (d->target_bias_level > bias)  in dapm_power_widgets()
2226 			bias = d->target_bias_level;  in dapm_power_widgets()
2229 			d->target_bias_level = bias;  in dapm_power_widgets()
2234 	dapm_pre_sequence_async(&card->dapm, 0);  in dapm_power_widgets()
2237 		if (d != &card->dapm && d->bias_level != d->target_bias_level)  in dapm_power_widgets()
2261 		if (d != &card->dapm && d->bias_level != d->target_bias_level)  in dapm_power_widgets()
2267 	dapm_post_sequence_async(&card->dapm, 0);  in dapm_power_widgets()
2271 		if (!d->component)  in dapm_power_widgets()
2274 		ret = snd_soc_component_stream_event(d->component, event);  in dapm_power_widgets()
2279 	pop_dbg(card->dev, card->pop_time,  in dapm_power_widgets()
2280 		"DAPM sequencing finished, waiting %dms\n", card->pop_time);  in dapm_power_widgets()
2281 	pop_wait(card->pop_time);  in dapm_power_widgets()
2335 	struct snd_soc_dapm_widget *w = file->private_data;  in dapm_widget_power_read_file()
2347 		return -ENOMEM;  in dapm_widget_power_read_file()
2349 	snd_soc_dapm_mutex_lock_root(w->dapm);  in dapm_widget_power_read_file()
2352 	if (w->is_supply) {  in dapm_widget_power_read_file()
2361 		       w->name, w->power ? "On" : "Off",  in dapm_widget_power_read_file()
2362 		       w->force ? " (forced)" : "", in, out);  in dapm_widget_power_read_file()
2364 	if (w->reg >= 0)  in dapm_widget_power_read_file()
2365 		ret += scnprintf(buf + ret, PAGE_SIZE - ret,  in dapm_widget_power_read_file()
2366 				" - R%d(0x%x) mask 0x%x",  in dapm_widget_power_read_file()
2367 				w->reg, w->reg, w->mask << w->shift);  in dapm_widget_power_read_file()
2369 	ret += scnprintf(buf + ret, PAGE_SIZE - ret, "\n");  in dapm_widget_power_read_file()
2371 	if (w->sname)  in dapm_widget_power_read_file()
2372 		ret += scnprintf(buf + ret, PAGE_SIZE - ret, " stream %s %s\n",  in dapm_widget_power_read_file()
2373 				w->sname,  in dapm_widget_power_read_file()
2374 				w->active ? "active" : "inactive");  in dapm_widget_power_read_file()
2376 	ret += scnprintf(buf + ret, PAGE_SIZE - ret, " widget-type %s\n",  in dapm_widget_power_read_file()
2377 			 snd_soc_dapm_type_name[w->id]);  in dapm_widget_power_read_file()
2382 			if (p->connected && !p->connected(p->source, p->sink))  in dapm_widget_power_read_file()
2385 			if (!p->connect)  in dapm_widget_power_read_file()
2388 			c_name = p->node[rdir]->dapm->component ?  in dapm_widget_power_read_file()
2389 				p->node[rdir]->dapm->component->name : NULL;  in dapm_widget_power_read_file()
2390 			ret += scnprintf(buf + ret, PAGE_SIZE - ret,  in dapm_widget_power_read_file()
2393 					p->name ? p->name : "static",  in dapm_widget_power_read_file()
2394 					p->node[rdir]->name, c_name);  in dapm_widget_power_read_file()
2398 	snd_soc_dapm_mutex_unlock(w->dapm);  in dapm_widget_power_read_file()
2415 	struct snd_soc_dapm_context *dapm = file->private_data;  in dapm_bias_read_file()
2418 	switch (dapm->bias_level) {  in dapm_bias_read_file()
2432 		WARN(1, "Unknown bias_level %d\n", dapm->bias_level);  in dapm_bias_read_file()
2453 	dapm->debugfs_dapm = debugfs_create_dir("dapm", parent);  in snd_soc_dapm_debugfs_init()
2455 	debugfs_create_file("bias_level", 0444, dapm->debugfs_dapm, dapm,  in snd_soc_dapm_debugfs_init()
2461 	struct snd_soc_dapm_context *dapm = w->dapm;  in dapm_debugfs_add_widget()
2463 	if (!dapm->debugfs_dapm || !w->name)  in dapm_debugfs_add_widget()
2466 	debugfs_create_file(w->name, 0444, dapm->debugfs_dapm, w,  in dapm_debugfs_add_widget()
2472 	struct snd_soc_dapm_context *dapm = w->dapm;  in dapm_debugfs_free_widget()
2474 	if (!dapm->debugfs_dapm || !w->name)  in dapm_debugfs_free_widget()
2477 	debugfs_lookup_and_remove(w->name, dapm->debugfs_dapm);  in dapm_debugfs_free_widget()
2482 	debugfs_remove_recursive(dapm->debugfs_dapm);  in dapm_debugfs_cleanup()
2483 	dapm->debugfs_dapm = NULL;  in dapm_debugfs_cleanup()
2507  * soc_dapm_connect_path() - Connects or disconnects a path
2516 	if (path->connect == connect)  in soc_dapm_connect_path()
2519 	path->connect = connect;  in soc_dapm_connect_path()
2520 	dapm_mark_dirty(path->source, reason);  in soc_dapm_connect_path()
2521 	dapm_mark_dirty(path->sink, reason);  in soc_dapm_connect_path()
2541 		if (e && !(strcmp(path->name, e->texts[mux])))  in soc_dapm_mux_update_power()
2559 	struct snd_soc_card *card = dapm->card;  in snd_soc_dapm_mux_update_power()
2623 	struct snd_soc_card *card = dapm->card;  in snd_soc_dapm_mixer_update_power()
2627 	ret = soc_dapm_mixer_update_power(card, kcontrol, update, connect, -1);  in snd_soc_dapm_mixer_update_power()
2646 	if (!component->card)  in dapm_widget_show_component()
2649 	for_each_card_widgets(component->card, w) {  in dapm_widget_show_component()
2650 		if (w->dapm != dapm)  in dapm_widget_show_component()
2654 		switch (w->id) {  in dapm_widget_show_component()
2671 			if (w->name)  in dapm_widget_show_component()
2673 					w->name, w->power ? "On":"Off");  in dapm_widget_show_component()
2703 	struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);  in dapm_widget_show()  local
2707 	snd_soc_dapm_mutex_lock_root(rtd->card);  in dapm_widget_show()
2709 	for_each_rtd_codec_dais(rtd, i, codec_dai) {  in dapm_widget_show()
2710 		struct snd_soc_component *component = codec_dai->component;  in dapm_widget_show()
2715 	snd_soc_dapm_mutex_unlock(rtd->card);  in dapm_widget_show()
2729 	list_del(&path->list_node[SND_SOC_DAPM_DIR_IN]);  in dapm_free_path()
2730 	list_del(&path->list_node[SND_SOC_DAPM_DIR_OUT]);  in dapm_free_path()
2731 	list_del(&path->list_kcontrol);  in dapm_free_path()
2732 	list_del(&path->list);  in dapm_free_path()
2737  * snd_soc_dapm_free_widget - Free specified widget
2750 	list_del(&w->list);  in snd_soc_dapm_free_widget()
2751 	list_del(&w->dirty);  in snd_soc_dapm_free_widget()
2764 	kfree(w->kcontrols);  in snd_soc_dapm_free_widget()
2765 	kfree_const(w->name);  in snd_soc_dapm_free_widget()
2766 	kfree_const(w->sname);  in snd_soc_dapm_free_widget()
2776 	for_each_card_widgets_safe(dapm->card, w, next_w) {  in dapm_free_widgets()
2777 		if (w->dapm != dapm)  in dapm_free_widgets()
2782 	dapm->wcache_sink	= NULL;  in dapm_free_widgets()
2783 	dapm->wcache_source	= NULL;  in dapm_free_widgets()
2804 	for_each_card_widgets(dapm->card, w) {  in dapm_find_widget()
2805 		if (!strcmp(w->name, pin_name)) {  in dapm_find_widget()
2806 			if (w->dapm == dapm)  in dapm_find_widget()
2833 		dev_err(dapm->dev, "ASoC: DAPM unknown pin %s\n", pin);  in __snd_soc_dapm_set_pin()
2834 		return -EINVAL;  in __snd_soc_dapm_set_pin()
2837 	if (w->connected != status) {  in __snd_soc_dapm_set_pin()
2844 	w->connected = status;  in __snd_soc_dapm_set_pin()
2846 		w->force = 0;  in __snd_soc_dapm_set_pin()
2864  * snd_soc_dapm_sync_unlocked - scan and power dapm paths
2880 	if (!snd_soc_card_is_instantiated(dapm->card))  in snd_soc_dapm_sync_unlocked()
2883 	return dapm_power_widgets(dapm->card, SND_SOC_DAPM_STREAM_NOP, NULL);  in snd_soc_dapm_sync_unlocked()
2888  * snd_soc_dapm_sync - scan and power dapm paths
2911 	switch (w->id) {  in dapm_update_dai_chan()
2919 	dev_dbg(w->dapm->dev, "%s DAI route %s -> %s\n",  in dapm_update_dai_chan()
2920 		w->channel < channels ? "Connecting" : "Disconnecting",  in dapm_update_dai_chan()
2921 		p->source->name, p->sink->name);  in dapm_update_dai_chan()
2923 	if (w->channel < channels)  in dapm_update_dai_chan()
2935 	int dir = substream->stream;  in dapm_update_dai_unlocked()
2946 	dev_dbg(dai->dev, "Update DAI routes for %s %s\n", dai->name, snd_pcm_direction_name(dir));  in dapm_update_dai_unlocked()
2949 		ret = dapm_update_dai_chan(p, p->sink, channels);  in dapm_update_dai_unlocked()
2955 		ret = dapm_update_dai_chan(p, p->source, channels);  in dapm_update_dai_unlocked()
2967 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);  in snd_soc_dapm_update_dai()  local
2970 	snd_soc_dapm_mutex_lock(rtd->card);  in snd_soc_dapm_update_dai()
2972 	snd_soc_dapm_mutex_unlock(rtd->card);  in snd_soc_dapm_update_dai()
2979 	struct snd_soc_component *component = widget->dapm->component;  in snd_soc_dapm_widget_name_cmp()
2980 	const char *wname = widget->name;  in snd_soc_dapm_widget_name_cmp()
2982 	if (component && component->name_prefix)  in snd_soc_dapm_widget_name_cmp()
2983 		wname += strlen(component->name_prefix) + 1; /* plus space */  in snd_soc_dapm_widget_name_cmp()
3006 			 prefix, route->sink);  in snd_soc_dapm_add_route()
3009 			 prefix, route->source);  in snd_soc_dapm_add_route()
3012 		sink = route->sink;  in snd_soc_dapm_add_route()
3013 		source = route->source;  in snd_soc_dapm_add_route()
3016 	wsource	= dapm_wcache_lookup(dapm->wcache_source, source);  in snd_soc_dapm_add_route()
3017 	wsink	= dapm_wcache_lookup(dapm->wcache_sink,   sink);  in snd_soc_dapm_add_route()
3026 	for_each_card_widgets(dapm->card, w) {  in snd_soc_dapm_add_route()
3027 		if (!wsink && !(strcmp(w->name, sink))) {  in snd_soc_dapm_add_route()
3029 			if (w->dapm == dapm) {  in snd_soc_dapm_add_route()
3036 				dev_warn(dapm->dev,  in snd_soc_dapm_add_route()
3038 					w->name);  in snd_soc_dapm_add_route()
3041 		if (!wsource && !(strcmp(w->name, source))) {  in snd_soc_dapm_add_route()
3043 			if (w->dapm == dapm) {  in snd_soc_dapm_add_route()
3050 				dev_warn(dapm->dev,  in snd_soc_dapm_add_route()
3052 					w->name);  in snd_soc_dapm_add_route()
3061 	ret = -ENODEV;  in snd_soc_dapm_add_route()
3069 	dapm->wcache_sink	= wsink;  in snd_soc_dapm_add_route()
3070 	dapm->wcache_source	= wsource;  in snd_soc_dapm_add_route()
3072 	ret = snd_soc_dapm_add_path(dapm, wsource, wsink, route->control,  in snd_soc_dapm_add_route()
3073 		route->connected);  in snd_soc_dapm_add_route()
3076 		dev_err(dapm->dev, "ASoC: Failed to add route %s%s -%s%s%s> %s%s\n",  in snd_soc_dapm_add_route()
3078 			!route->control ? "" : "> [",  in snd_soc_dapm_add_route()
3079 			!route->control ? "" : route->control,  in snd_soc_dapm_add_route()
3080 			!route->control ? "" : "] -",  in snd_soc_dapm_add_route()
3095 	if (route->control) {  in snd_soc_dapm_del_route()
3096 		dev_err(dapm->dev,  in snd_soc_dapm_del_route()
3098 		return -EINVAL;  in snd_soc_dapm_del_route()
3104 			 prefix, route->sink);  in snd_soc_dapm_del_route()
3107 			 prefix, route->source);  in snd_soc_dapm_del_route()
3110 		sink = route->sink;  in snd_soc_dapm_del_route()
3111 		source = route->source;  in snd_soc_dapm_del_route()
3115 	list_for_each_entry(p, &dapm->card->paths, list) {  in snd_soc_dapm_del_route()
3116 		if (strcmp(p->source->name, source) != 0)  in snd_soc_dapm_del_route()
3118 		if (strcmp(p->sink->name, sink) != 0)  in snd_soc_dapm_del_route()
3125 		struct snd_soc_dapm_widget *wsource = path->source;  in snd_soc_dapm_del_route()
3126 		struct snd_soc_dapm_widget *wsink = path->sink;  in snd_soc_dapm_del_route()
3130 		if (path->connect)  in snd_soc_dapm_del_route()
3139 		dev_warn(dapm->dev, "ASoC: Route %s->%s does not exist\n",  in snd_soc_dapm_del_route()
3147  * snd_soc_dapm_add_routes - Add routes between DAPM widgets
3178  * snd_soc_dapm_del_routes - Remove routes between DAPM widgets
3202  * snd_soc_dapm_new_widgets - add new dapm widgets
3218 		if (w->new)  in snd_soc_dapm_new_widgets()
3221 		if (w->num_kcontrols) {  in snd_soc_dapm_new_widgets()
3222 			w->kcontrols = kcalloc(w->num_kcontrols,  in snd_soc_dapm_new_widgets()
3225 			if (!w->kcontrols) {  in snd_soc_dapm_new_widgets()
3227 				return -ENOMEM;  in snd_soc_dapm_new_widgets()
3231 		switch(w->id) {  in snd_soc_dapm_new_widgets()
3254 		if (w->reg >= 0) {  in snd_soc_dapm_new_widgets()
3255 			val = soc_dapm_read(w->dapm, w->reg);  in snd_soc_dapm_new_widgets()
3256 			val = val >> w->shift;  in snd_soc_dapm_new_widgets()
3257 			val &= w->mask;  in snd_soc_dapm_new_widgets()
3258 			if (val == w->on_val)  in snd_soc_dapm_new_widgets()
3259 				w->power = 1;  in snd_soc_dapm_new_widgets()
3262 		w->new = 1;  in snd_soc_dapm_new_widgets()
3275  * snd_soc_dapm_get_volsw - dapm mixer get callback
3288 		(struct soc_mixer_control *)kcontrol->private_value;  in snd_soc_dapm_get_volsw()
3289 	int reg = mc->reg;  in snd_soc_dapm_get_volsw()
3290 	unsigned int shift = mc->shift;  in snd_soc_dapm_get_volsw()
3291 	int max = mc->max;  in snd_soc_dapm_get_volsw()
3293 	unsigned int mask = (1 << fls(max)) - 1;  in snd_soc_dapm_get_volsw()
3294 	unsigned int invert = mc->invert;  in snd_soc_dapm_get_volsw()
3302 		if (reg != mc->rreg)  in snd_soc_dapm_get_volsw()
3303 			reg_val = soc_dapm_read(dapm, mc->rreg);  in snd_soc_dapm_get_volsw()
3306 			rval = (reg_val >> mc->rshift) & mask;  in snd_soc_dapm_get_volsw()
3317 		ucontrol->value.integer.value[0] = max - val;  in snd_soc_dapm_get_volsw()
3319 		ucontrol->value.integer.value[0] = val;  in snd_soc_dapm_get_volsw()
3323 			ucontrol->value.integer.value[1] = max - rval;  in snd_soc_dapm_get_volsw()
3325 			ucontrol->value.integer.value[1] = rval;  in snd_soc_dapm_get_volsw()
3333  * snd_soc_dapm_put_volsw - dapm mixer set callback
3345 	struct snd_soc_card *card = dapm->card;  in snd_soc_dapm_put_volsw()
3347 		(struct soc_mixer_control *)kcontrol->private_value;  in snd_soc_dapm_put_volsw()
3348 	int reg = mc->reg;  in snd_soc_dapm_put_volsw()
3349 	unsigned int shift = mc->shift;  in snd_soc_dapm_put_volsw()
3350 	int max = mc->max;  in snd_soc_dapm_put_volsw()
3352 	unsigned int mask = (1 << width) - 1;  in snd_soc_dapm_put_volsw()
3353 	unsigned int invert = mc->invert;  in snd_soc_dapm_put_volsw()
3355 	int connect, rconnect = -1, change, reg_change = 0;  in snd_soc_dapm_put_volsw()
3360 	val = (ucontrol->value.integer.value[0] & mask);  in snd_soc_dapm_put_volsw()
3364 		val = max - val;  in snd_soc_dapm_put_volsw()
3367 		rval = (ucontrol->value.integer.value[1] & mask);  in snd_soc_dapm_put_volsw()
3370 			rval = max - rval;  in snd_soc_dapm_put_volsw()
3377 		dev_warn(dapm->dev,  in snd_soc_dapm_put_volsw()
3379 			 kcontrol->id.name);  in snd_soc_dapm_put_volsw()
3384 		rval = rval << mc->rshift;  in snd_soc_dapm_put_volsw()
3389 			reg_change |= soc_dapm_test_bits(dapm, mc->rreg,  in snd_soc_dapm_put_volsw()
3390 							 mask << mc->rshift,  in snd_soc_dapm_put_volsw()
3398 				update.reg2 = mc->rreg;  in snd_soc_dapm_put_volsw()
3399 				update.mask2 = mask << mc->rshift;  in snd_soc_dapm_put_volsw()
3421  * snd_soc_dapm_get_enum_double - dapm enumerated double mixer get callback
3433 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;  in snd_soc_dapm_get_enum_double()
3437 	if (e->reg != SND_SOC_NOPM && dapm_kcontrol_is_powered(kcontrol)) {  in snd_soc_dapm_get_enum_double()
3438 		reg_val = soc_dapm_read(dapm, e->reg);  in snd_soc_dapm_get_enum_double()
3444 	val = (reg_val >> e->shift_l) & e->mask;  in snd_soc_dapm_get_enum_double()
3445 	ucontrol->value.enumerated.item[0] = snd_soc_enum_val_to_item(e, val);  in snd_soc_dapm_get_enum_double()
3446 	if (e->shift_l != e->shift_r) {  in snd_soc_dapm_get_enum_double()
3447 		val = (reg_val >> e->shift_r) & e->mask;  in snd_soc_dapm_get_enum_double()
3449 		ucontrol->value.enumerated.item[1] = val;  in snd_soc_dapm_get_enum_double()
3457  * snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback
3469 	struct snd_soc_card *card = dapm->card;  in snd_soc_dapm_put_enum_double()
3470 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;  in snd_soc_dapm_put_enum_double()
3471 	unsigned int *item = ucontrol->value.enumerated.item;  in snd_soc_dapm_put_enum_double()
3478 	if (item[0] >= e->items)  in snd_soc_dapm_put_enum_double()
3479 		return -EINVAL;  in snd_soc_dapm_put_enum_double()
3481 	val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;  in snd_soc_dapm_put_enum_double()
3482 	mask = e->mask << e->shift_l;  in snd_soc_dapm_put_enum_double()
3483 	if (e->shift_l != e->shift_r) {  in snd_soc_dapm_put_enum_double()
3484 		if (item[1] > e->items)  in snd_soc_dapm_put_enum_double()
3485 			return -EINVAL;  in snd_soc_dapm_put_enum_double()
3486 		val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r;  in snd_soc_dapm_put_enum_double()
3487 		mask |= e->mask << e->shift_r;  in snd_soc_dapm_put_enum_double()
3494 	if (e->reg != SND_SOC_NOPM)  in snd_soc_dapm_put_enum_double()
3495 		reg_change = soc_dapm_test_bits(dapm, e->reg, mask, val);  in snd_soc_dapm_put_enum_double()
3500 			update.reg = e->reg;  in snd_soc_dapm_put_enum_double()
3518  * snd_soc_dapm_info_pin_switch - Info for a pin switch
3528 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;  in snd_soc_dapm_info_pin_switch()
3529 	uinfo->count = 1;  in snd_soc_dapm_info_pin_switch()
3530 	uinfo->value.integer.min = 0;  in snd_soc_dapm_info_pin_switch()
3531 	uinfo->value.integer.max = 1;  in snd_soc_dapm_info_pin_switch()
3542 	ucontrol->value.integer.value[0] = snd_soc_dapm_get_pin_status(dapm, pin);  in __snd_soc_dapm_get_pin_switch()
3549  * snd_soc_dapm_get_pin_switch - Get information for a pin switch
3561 	const char *pin = (const char *)kcontrol->private_value;  in snd_soc_dapm_get_pin_switch()
3563 	return __snd_soc_dapm_get_pin_switch(&card->dapm, pin, ucontrol);  in snd_soc_dapm_get_pin_switch()
3568  * snd_soc_dapm_get_component_pin_switch - Get information for a pin switch
3580 	const char *pin = (const char *)kcontrol->private_value;  in snd_soc_dapm_get_component_pin_switch()
3582 	return __snd_soc_dapm_get_pin_switch(&component->dapm, pin, ucontrol);  in snd_soc_dapm_get_component_pin_switch()
3593 	ret = __snd_soc_dapm_set_pin(dapm, pin, !!ucontrol->value.integer.value[0]);  in __snd_soc_dapm_put_pin_switch()
3602  * snd_soc_dapm_put_pin_switch - Set information for a pin switch
3614 	const char *pin = (const char *)kcontrol->private_value;  in snd_soc_dapm_put_pin_switch()
3616 	return __snd_soc_dapm_put_pin_switch(&card->dapm, pin, ucontrol);  in snd_soc_dapm_put_pin_switch()
3621  * snd_soc_dapm_put_component_pin_switch - Set information for a pin switch
3633 	const char *pin = (const char *)kcontrol->private_value;  in snd_soc_dapm_put_component_pin_switch()
3635 	return __snd_soc_dapm_put_pin_switch(&component->dapm, pin, ucontrol);  in snd_soc_dapm_put_component_pin_switch()
3645 	int ret = -ENOMEM;  in snd_soc_dapm_new_control_unlocked()
3651 	switch (w->id) {  in snd_soc_dapm_new_control_unlocked()
3653 		w->regulator = devm_regulator_get(dapm->dev, widget->name);  in snd_soc_dapm_new_control_unlocked()
3654 		if (IS_ERR(w->regulator)) {  in snd_soc_dapm_new_control_unlocked()
3655 			ret = PTR_ERR(w->regulator);  in snd_soc_dapm_new_control_unlocked()
3659 		if (w->on_val & SND_SOC_DAPM_REGULATOR_BYPASS) {  in snd_soc_dapm_new_control_unlocked()
3660 			ret = regulator_allow_bypass(w->regulator, true);  in snd_soc_dapm_new_control_unlocked()
3662 				dev_warn(dapm->dev,  in snd_soc_dapm_new_control_unlocked()
3664 					 w->name, ret);  in snd_soc_dapm_new_control_unlocked()
3668 		w->pinctrl = devm_pinctrl_get(dapm->dev);  in snd_soc_dapm_new_control_unlocked()
3669 		if (IS_ERR(w->pinctrl)) {  in snd_soc_dapm_new_control_unlocked()
3670 			ret = PTR_ERR(w->pinctrl);  in snd_soc_dapm_new_control_unlocked()
3678 		w->clk = devm_clk_get(dapm->dev, widget->name);  in snd_soc_dapm_new_control_unlocked()
3679 		if (IS_ERR(w->clk)) {  in snd_soc_dapm_new_control_unlocked()
3680 			ret = PTR_ERR(w->clk);  in snd_soc_dapm_new_control_unlocked()
3688 	switch (w->id) {  in snd_soc_dapm_new_control_unlocked()
3690 		w->is_ep = SND_SOC_DAPM_EP_SOURCE;  in snd_soc_dapm_new_control_unlocked()
3691 		w->power_check = dapm_generic_check_power;  in snd_soc_dapm_new_control_unlocked()
3694 		if (!dapm->card->fully_routed)  in snd_soc_dapm_new_control_unlocked()
3695 			w->is_ep = SND_SOC_DAPM_EP_SOURCE;  in snd_soc_dapm_new_control_unlocked()
3696 		w->power_check = dapm_generic_check_power;  in snd_soc_dapm_new_control_unlocked()
3700 		w->is_ep = SND_SOC_DAPM_EP_SINK;  in snd_soc_dapm_new_control_unlocked()
3701 		w->power_check = dapm_generic_check_power;  in snd_soc_dapm_new_control_unlocked()
3704 		if (!dapm->card->fully_routed)  in snd_soc_dapm_new_control_unlocked()
3705 			w->is_ep = SND_SOC_DAPM_EP_SINK;  in snd_soc_dapm_new_control_unlocked()
3706 		w->power_check = dapm_generic_check_power;  in snd_soc_dapm_new_control_unlocked()
3710 		w->is_ep = SND_SOC_DAPM_EP_SOURCE;  in snd_soc_dapm_new_control_unlocked()
3711 		w->power_check = dapm_always_on_check_power;  in snd_soc_dapm_new_control_unlocked()
3714 		w->is_ep = SND_SOC_DAPM_EP_SINK;  in snd_soc_dapm_new_control_unlocked()
3715 		w->power_check = dapm_always_on_check_power;  in snd_soc_dapm_new_control_unlocked()
3741 		w->power_check = dapm_generic_check_power;  in snd_soc_dapm_new_control_unlocked()
3748 		w->is_supply = 1;  in snd_soc_dapm_new_control_unlocked()
3749 		w->power_check = dapm_supply_check_power;  in snd_soc_dapm_new_control_unlocked()
3752 		w->power_check = dapm_always_on_check_power;  in snd_soc_dapm_new_control_unlocked()
3756 	w->dapm = dapm;  in snd_soc_dapm_new_control_unlocked()
3757 	INIT_LIST_HEAD(&w->list);  in snd_soc_dapm_new_control_unlocked()
3758 	INIT_LIST_HEAD(&w->dirty);  in snd_soc_dapm_new_control_unlocked()
3760 	list_add_tail(&w->list, &dapm->card->widgets);  in snd_soc_dapm_new_control_unlocked()
3763 		INIT_LIST_HEAD(&w->edges[dir]);  in snd_soc_dapm_new_control_unlocked()
3764 		w->endpoints[dir] = -1;  in snd_soc_dapm_new_control_unlocked()
3768 	w->connected = 1;  in snd_soc_dapm_new_control_unlocked()
3772 	dev_err_probe(dapm->dev, ret, "ASoC: Failed to request %s\n",  in snd_soc_dapm_new_control_unlocked()
3773 		      w->name);  in snd_soc_dapm_new_control_unlocked()
3774 	kfree_const(w->name);  in snd_soc_dapm_new_control_unlocked()
3775 	kfree_const(w->sname);  in snd_soc_dapm_new_control_unlocked()
3782  * snd_soc_dapm_new_control - create new dapm control
3805  * snd_soc_dapm_new_controls - create new dapm controls
3841 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);  in snd_soc_dai_link_event_pre_pmu()  local
3859 		return -ENOMEM;  in snd_soc_dai_link_event_pre_pmu()
3863 		return -ENOMEM;  in snd_soc_dai_link_event_pre_pmu()
3865 	substream->runtime = runtime;  in snd_soc_dai_link_event_pre_pmu()
3867 	substream->stream = SNDRV_PCM_STREAM_CAPTURE;  in snd_soc_dai_link_event_pre_pmu()
3869 		source = path->source->priv;  in snd_soc_dai_link_event_pre_pmu()
3875 		snd_soc_dai_activate(source, substream->stream);  in snd_soc_dai_link_event_pre_pmu()
3878 	substream->stream = SNDRV_PCM_STREAM_PLAYBACK;  in snd_soc_dai_link_event_pre_pmu()
3880 		sink = path->sink->priv;  in snd_soc_dai_link_event_pre_pmu()
3886 		snd_soc_dai_activate(sink, substream->stream);  in snd_soc_dai_link_event_pre_pmu()
3889 	substream->hw_opened = 1;  in snd_soc_dai_link_event_pre_pmu()
3896 	config = rtd->dai_link->c2c_params + rtd->c2c_params_select;  in snd_soc_dai_link_event_pre_pmu()
3898 		dev_err(w->dapm->dev, "ASoC: link config missing\n");  in snd_soc_dai_link_event_pre_pmu()
3899 		return -EINVAL;  in snd_soc_dai_link_event_pre_pmu()
3903 	if (!config->formats) {  in snd_soc_dai_link_event_pre_pmu()
3904 		dev_warn(w->dapm->dev, "ASoC: Invalid format was specified\n");  in snd_soc_dai_link_event_pre_pmu()
3906 		return -EINVAL;  in snd_soc_dai_link_event_pre_pmu()
3909 	fmt = ffs(config->formats) - 1;  in snd_soc_dai_link_event_pre_pmu()
3912 	hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min =  in snd_soc_dai_link_event_pre_pmu()
3913 		config->rate_min;  in snd_soc_dai_link_event_pre_pmu()
3914 	hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max =  in snd_soc_dai_link_event_pre_pmu()
3915 		config->rate_max;  in snd_soc_dai_link_event_pre_pmu()
3916 	hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->min  in snd_soc_dai_link_event_pre_pmu()
3917 		= config->channels_min;  in snd_soc_dai_link_event_pre_pmu()
3918 	hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->max  in snd_soc_dai_link_event_pre_pmu()
3919 		= config->channels_max;  in snd_soc_dai_link_event_pre_pmu()
3921 	substream->stream = SNDRV_PCM_STREAM_CAPTURE;  in snd_soc_dai_link_event_pre_pmu()
3923 		source = path->source->priv;  in snd_soc_dai_link_event_pre_pmu()
3932 	substream->stream = SNDRV_PCM_STREAM_PLAYBACK;  in snd_soc_dai_link_event_pre_pmu()
3934 		sink = path->sink->priv;  in snd_soc_dai_link_event_pre_pmu()
3943 	runtime->format = params_format(params);  in snd_soc_dai_link_event_pre_pmu()
3944 	runtime->subformat = params_subformat(params);  in snd_soc_dai_link_event_pre_pmu()
3945 	runtime->channels = params_channels(params);  in snd_soc_dai_link_event_pre_pmu()
3946 	runtime->rate = params_rate(params);  in snd_soc_dai_link_event_pre_pmu()
3956 	struct snd_pcm_substream *substream = w->priv;  in snd_soc_dai_link_event()
3957 	int ret = 0, saved_stream = substream->stream;  in snd_soc_dai_link_event()
3959 	if (WARN_ON(list_empty(&w->edges[SND_SOC_DAPM_DIR_OUT]) ||  in snd_soc_dai_link_event()
3960 		    list_empty(&w->edges[SND_SOC_DAPM_DIR_IN])))  in snd_soc_dai_link_event()
3961 		return -EINVAL;  in snd_soc_dai_link_event()
3973 			source = path->source->priv;  in snd_soc_dai_link_event()
3979 			sink = path->sink->priv;  in snd_soc_dai_link_event()
3985 			sink = path->sink->priv;  in snd_soc_dai_link_event()
3994 			sink = path->sink->priv;  in snd_soc_dai_link_event()
4000 		substream->stream = SNDRV_PCM_STREAM_CAPTURE;  in snd_soc_dai_link_event()
4002 			source = path->source->priv;  in snd_soc_dai_link_event()
4006 		substream->stream = SNDRV_PCM_STREAM_PLAYBACK;  in snd_soc_dai_link_event()
4008 			sink = path->sink->priv;  in snd_soc_dai_link_event()
4012 		substream->stream = SNDRV_PCM_STREAM_CAPTURE;  in snd_soc_dai_link_event()
4014 			source = path->source->priv;  in snd_soc_dai_link_event()
4015 			snd_soc_dai_deactivate(source, substream->stream);  in snd_soc_dai_link_event()
4019 		substream->stream = SNDRV_PCM_STREAM_PLAYBACK;  in snd_soc_dai_link_event()
4021 			sink = path->sink->priv;  in snd_soc_dai_link_event()
4022 			snd_soc_dai_deactivate(sink, substream->stream);  in snd_soc_dai_link_event()
4028 		kfree(substream->runtime);  in snd_soc_dai_link_event()
4029 		substream->runtime = NULL;  in snd_soc_dai_link_event()
4034 		ret = -EINVAL;  in snd_soc_dai_link_event()
4039 	substream->stream = saved_stream;  in snd_soc_dai_link_event()
4047 	struct snd_soc_pcm_runtime *rtd = w->priv;  in snd_soc_dapm_dai_link_get()  local
4049 	ucontrol->value.enumerated.item[0] = rtd->c2c_params_select;  in snd_soc_dapm_dai_link_get()
4058 	struct snd_soc_pcm_runtime *rtd = w->priv;  in snd_soc_dapm_dai_link_put()  local
4061 	if (w->power)  in snd_soc_dapm_dai_link_put()
4062 		return -EBUSY;  in snd_soc_dapm_dai_link_put()
4064 	if (ucontrol->value.enumerated.item[0] == rtd->c2c_params_select)  in snd_soc_dapm_dai_link_put()
4067 	if (ucontrol->value.enumerated.item[0] >= rtd->dai_link->num_c2c_params)  in snd_soc_dapm_dai_link_put()
4068 		return -EINVAL;  in snd_soc_dapm_dai_link_put()
4070 	rtd->c2c_params_select = ucontrol->value.enumerated.item[0];  in snd_soc_dapm_dai_link_put()
4083 	devm_kfree(card->dev, (void *)*private_value);  in snd_soc_dapm_free_kcontrol()
4089 		devm_kfree(card->dev, (void *)w_param_text[count]);  in snd_soc_dapm_free_kcontrol()
4090 	devm_kfree(card->dev, w_param_text);  in snd_soc_dapm_free_kcontrol()
4113 		if (!config->stream_name) {  in snd_soc_dapm_alloc_kcontrol()
4114 			dev_warn(card->dapm.dev,  in snd_soc_dapm_alloc_kcontrol()
4118 				devm_kasprintf(card->dev, GFP_KERNEL,  in snd_soc_dapm_alloc_kcontrol()
4122 			w_param_text[count] = devm_kmemdup(card->dev,  in snd_soc_dapm_alloc_kcontrol()
4123 						config->stream_name,  in snd_soc_dapm_alloc_kcontrol()
4124 						strlen(config->stream_name) + 1,  in snd_soc_dapm_alloc_kcontrol()
4136 		(unsigned long) devm_kmemdup(card->dev,  in snd_soc_dapm_alloc_kcontrol()
4140 		dev_err(card->dev, "ASoC: Failed to create control for %s widget\n",  in snd_soc_dapm_alloc_kcontrol()
4146 	kcontrol_news = devm_kmemdup(card->dev, &kcontrol_dai_link[0],  in snd_soc_dapm_alloc_kcontrol()
4150 		dev_err(card->dev, "ASoC: Failed to create control for %s widget\n",  in snd_soc_dapm_alloc_kcontrol()
4166 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);  in snd_soc_dapm_new_dai()  local
4174 	int ret = -ENOMEM;  in snd_soc_dapm_new_dai()
4176 	link_name = devm_kasprintf(card->dev, GFP_KERNEL, "%s-%s",  in snd_soc_dapm_new_dai()
4177 				   rtd->dai_link->name, id);  in snd_soc_dapm_new_dai()
4185 	if (rtd->dai_link->num_c2c_params > 1) {  in snd_soc_dapm_new_dai()
4186 		w_param_text = devm_kcalloc(card->dev,  in snd_soc_dapm_new_dai()
4187 					    rtd->dai_link->num_c2c_params,  in snd_soc_dapm_new_dai()
4194 							    rtd->dai_link->c2c_params,  in snd_soc_dapm_new_dai()
4195 							    rtd->dai_link->num_c2c_params,  in snd_soc_dapm_new_dai()
4211 	dev_dbg(card->dev, "ASoC: adding %s widget\n", link_name);  in snd_soc_dapm_new_dai()
4213 	w = snd_soc_dapm_new_control_unlocked(&card->dapm, &template);  in snd_soc_dapm_new_dai()
4219 	w->priv = substream;  in snd_soc_dapm_new_dai()
4224 	devm_kfree(card->dev, (void *)template.kcontrol_news);  in snd_soc_dapm_new_dai()
4226 				   rtd->dai_link->num_c2c_params, w_param_text);  in snd_soc_dapm_new_dai()
4228 	devm_kfree(card->dev, link_name);  in snd_soc_dapm_new_dai()
4230 	dev_err(rtd->dev, "ASoC: Failed to create %s-%s widget: %d\n",  in snd_soc_dapm_new_dai()
4231 		rtd->dai_link->name, id, ret);  in snd_soc_dapm_new_dai()
4236  * snd_soc_dapm_new_dai_widgets - Create new DAPM widgets
4248 	WARN_ON(dapm->dev != dai->dev);  in snd_soc_dapm_new_dai_widgets()
4253 	if (dai->driver->playback.stream_name) {  in snd_soc_dapm_new_dai_widgets()
4255 		template.name = dai->driver->playback.stream_name;  in snd_soc_dapm_new_dai_widgets()
4256 		template.sname = dai->driver->playback.stream_name;  in snd_soc_dapm_new_dai_widgets()
4258 		dev_dbg(dai->dev, "ASoC: adding %s widget\n",  in snd_soc_dapm_new_dai_widgets()
4265 		w->priv = dai;  in snd_soc_dapm_new_dai_widgets()
4269 	if (dai->driver->capture.stream_name) {  in snd_soc_dapm_new_dai_widgets()
4271 		template.name = dai->driver->capture.stream_name;  in snd_soc_dapm_new_dai_widgets()
4272 		template.sname = dai->driver->capture.stream_name;  in snd_soc_dapm_new_dai_widgets()
4274 		dev_dbg(dai->dev, "ASoC: adding %s widget\n",  in snd_soc_dapm_new_dai_widgets()
4281 		w->priv = dai;  in snd_soc_dapm_new_dai_widgets()
4297 		switch (dai_w->id) {  in snd_soc_dapm_link_dai_widgets()
4306 		if (!dai_w->priv) {  in snd_soc_dapm_link_dai_widgets()
4307 			dev_dbg(card->dev, "dai widget %s has no DAI\n",  in snd_soc_dapm_link_dai_widgets()
4308 				dai_w->name);  in snd_soc_dapm_link_dai_widgets()
4312 		dai = dai_w->priv;  in snd_soc_dapm_link_dai_widgets()
4316 			if (w->dapm != dai_w->dapm)  in snd_soc_dapm_link_dai_widgets()
4319 			switch (w->id) {  in snd_soc_dapm_link_dai_widgets()
4327 			if (!w->sname || !strstr(w->sname, dai_w->sname))  in snd_soc_dapm_link_dai_widgets()
4330 			if (dai_w->id == snd_soc_dapm_dai_in) {  in snd_soc_dapm_link_dai_widgets()
4337 			dev_dbg(dai->dev, "%s -> %s\n", src->name, sink->name);  in snd_soc_dapm_link_dai_widgets()
4338 			snd_soc_dapm_add_path(w->dapm, src, sink, NULL, NULL);  in snd_soc_dapm_link_dai_widgets()
4352 	dev_dbg(dapm->dev, "connected DAI link %s:%s -> %s:%s\n",  in dapm_connect_dai_routes()
4353 		src_dai->component->name, src->name,  in dapm_connect_dai_routes()
4354 		sink_dai->component->name, sink->name);  in dapm_connect_dai_routes()
4365 				  struct snd_soc_pcm_runtime *rtd,  in dapm_connect_dai_pair()  argument
4369 	struct snd_soc_dai_link *dai_link = rtd->dai_link;  in dapm_connect_dai_pair()
4392 		if (dai_link->c2c_params && !rtd->c2c_widget[stream]) {  in dapm_connect_dai_pair()
4393 			struct snd_pcm_substream *substream = rtd->pcm->streams[stream].substream;  in dapm_connect_dai_pair()
4400 			rtd->c2c_widget[stream] = dai;  in dapm_connect_dai_pair()
4403 		dapm_connect_dai_routes(&card->dapm, src_dai[stream], *src[stream],  in dapm_connect_dai_pair()
4404 					rtd->c2c_widget[stream],  in dapm_connect_dai_pair()
4421 		if (w->id == snd_soc_dapm_dai_in) {  in soc_dapm_dai_stream_event()
4431 			w->active = 1;  in soc_dapm_dai_stream_event()
4432 			w->is_ep = ep;  in soc_dapm_dai_stream_event()
4435 			w->active = 0;  in soc_dapm_dai_stream_event()
4436 			w->is_ep = 0;  in soc_dapm_dai_stream_event()
4449 	struct snd_soc_pcm_runtime *rtd;  in snd_soc_dapm_connect_dai_link_widgets()  local
4454 	for_each_card_rtds(card, rtd)  {  in snd_soc_dapm_connect_dai_link_widgets()
4460 		 * CODEC<->CODEC links have no direct connection.  in snd_soc_dapm_connect_dai_link_widgets()
4462 		if (rtd->dai_link->dynamic)  in snd_soc_dapm_connect_dai_link_widgets()
4467 		 *	soc.h :: [dai_link->ch_maps Image sample]  in snd_soc_dapm_connect_dai_link_widgets()
4469 		for_each_rtd_ch_maps(rtd, i, ch_maps) {  in snd_soc_dapm_connect_dai_link_widgets()
4470 			cpu_dai   = snd_soc_rtd_to_cpu(rtd,   ch_maps->cpu);  in snd_soc_dapm_connect_dai_link_widgets()
4471 			codec_dai = snd_soc_rtd_to_codec(rtd, ch_maps->codec);  in snd_soc_dapm_connect_dai_link_widgets()
4473 			dapm_connect_dai_pair(card, rtd, codec_dai, cpu_dai);  in snd_soc_dapm_connect_dai_link_widgets()
4478 static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,  in soc_dapm_stream_event()  argument
4484 	for_each_rtd_dais(rtd, i, dai)  in soc_dapm_stream_event()
4487 	dapm_power_widgets(rtd->card, event, NULL);  in soc_dapm_stream_event()
4491  * snd_soc_dapm_stream_event - send a stream event to the dapm core
4492  * @rtd: PCM runtime data
4501 void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,  in snd_soc_dapm_stream_event()  argument
4504 	struct snd_soc_card *card = rtd->card;  in snd_soc_dapm_stream_event()
4507 	soc_dapm_stream_event(rtd, stream, event);  in snd_soc_dapm_stream_event()
4511 void snd_soc_dapm_stream_stop(struct snd_soc_pcm_runtime *rtd, int stream)  in snd_soc_dapm_stream_stop()  argument
4514 		if (snd_soc_runtime_ignore_pmdown_time(rtd)) {  in snd_soc_dapm_stream_stop()
4516 			snd_soc_dapm_stream_event(rtd,  in snd_soc_dapm_stream_stop()
4521 			rtd->pop_wait = 1;  in snd_soc_dapm_stream_stop()
4523 					   &rtd->delayed_work,  in snd_soc_dapm_stream_stop()
4524 					   msecs_to_jiffies(rtd->pmdown_time));  in snd_soc_dapm_stream_stop()
4528 		snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_CAPTURE,  in snd_soc_dapm_stream_stop()
4535  * snd_soc_dapm_enable_pin_unlocked - enable pin.
4555  * snd_soc_dapm_enable_pin - enable pin.
4580  * snd_soc_dapm_force_enable_pin_unlocked - force a pin to be enabled
4599 		dev_err(dapm->dev, "ASoC: unknown pin %s\n", pin);  in snd_soc_dapm_force_enable_pin_unlocked()
4600 		return -EINVAL;  in snd_soc_dapm_force_enable_pin_unlocked()
4603 	dev_dbg(w->dapm->dev, "ASoC: force enable pin %s\n", pin);  in snd_soc_dapm_force_enable_pin_unlocked()
4604 	if (!w->connected) {  in snd_soc_dapm_force_enable_pin_unlocked()
4606 		 * w->force does not affect the number of input or output paths,  in snd_soc_dapm_force_enable_pin_unlocked()
4607 		 * so we only have to recheck if w->connected is changed  in snd_soc_dapm_force_enable_pin_unlocked()
4611 		w->connected = 1;  in snd_soc_dapm_force_enable_pin_unlocked()
4613 	w->force = 1;  in snd_soc_dapm_force_enable_pin_unlocked()
4621  * snd_soc_dapm_force_enable_pin - force a pin to be enabled
4648  * snd_soc_dapm_disable_pin_unlocked - disable pin.
4667  * snd_soc_dapm_disable_pin - disable pin.
4692  * snd_soc_dapm_get_pin_status - get audio pin status
4696  * Get audio pin status - connected or disconnected.
4706 		return w->connected;  in snd_soc_dapm_get_pin_status()
4713  * snd_soc_dapm_ignore_suspend - ignore suspend status for DAPM endpoint
4729 		dev_err(dapm->dev, "ASoC: unknown pin %s\n", pin);  in snd_soc_dapm_ignore_suspend()
4730 		return -EINVAL;  in snd_soc_dapm_ignore_suspend()
4733 	w->ignore_suspend = 1;  in snd_soc_dapm_ignore_suspend()
4740  * snd_soc_dapm_free - free dapm resources
4749 	list_del(&dapm->list);  in snd_soc_dapm_free()
4756 	dapm->card		= card;  in snd_soc_dapm_init()
4757 	dapm->component		= component;  in snd_soc_dapm_init()
4758 	dapm->bias_level	= SND_SOC_BIAS_OFF;  in snd_soc_dapm_init()
4761 		dapm->dev		= component->dev;  in snd_soc_dapm_init()
4762 		dapm->idle_bias_off	= !component->driver->idle_bias_on;  in snd_soc_dapm_init()
4763 		dapm->suspend_bias_off	= component->driver->suspend_bias_off;  in snd_soc_dapm_init()
4765 		dapm->dev		= card->dev;  in snd_soc_dapm_init()
4768 	INIT_LIST_HEAD(&dapm->list);  in snd_soc_dapm_init()
4770 	list_add(&dapm->list, &card->dapm_list);  in snd_soc_dapm_init()
4775 	struct snd_soc_card *card = dapm->card;  in soc_dapm_shutdown_dapm()
4782 	for_each_card_widgets(dapm->card, w) {  in soc_dapm_shutdown_dapm()
4783 		if (w->dapm != dapm)  in soc_dapm_shutdown_dapm()
4785 		if (w->power) {  in soc_dapm_shutdown_dapm()
4787 			w->new_power = 0;  in soc_dapm_shutdown_dapm()
4796 		if (dapm->bias_level == SND_SOC_BIAS_ON)  in soc_dapm_shutdown_dapm()
4800 		if (dapm->bias_level == SND_SOC_BIAS_PREPARE)  in soc_dapm_shutdown_dapm()
4809  * snd_soc_dapm_shutdown - callback for system shutdown
4816 		if (dapm != &card->dapm) {  in snd_soc_dapm_shutdown()
4818 			if (dapm->bias_level == SND_SOC_BIAS_STANDBY)  in snd_soc_dapm_shutdown()
4824 	soc_dapm_shutdown_dapm(&card->dapm);  in snd_soc_dapm_shutdown()
4825 	if (card->dapm.bias_level == SND_SOC_BIAS_STANDBY)  in snd_soc_dapm_shutdown()
4826 		snd_soc_dapm_set_bias_level(&card->dapm,  in snd_soc_dapm_shutdown()