1 // SPDX-License-Identifier: GPL-2.0-or-later
45 	struct snd_jack *jack = device->device_data;  in snd_jack_dev_disconnect()
50 	guard(mutex)(&jack->input_dev_lock);  in snd_jack_dev_disconnect()
51 	if (!jack->input_dev)  in snd_jack_dev_disconnect()
56 	if (jack->registered)  in snd_jack_dev_disconnect()
57 		input_unregister_device(jack->input_dev);  in snd_jack_dev_disconnect()
59 		input_free_device(jack->input_dev);  in snd_jack_dev_disconnect()
60 	jack->input_dev = NULL;  in snd_jack_dev_disconnect()
67 	struct snd_jack *jack = device->device_data;  in snd_jack_dev_free()
68 	struct snd_card *card = device->card;  in snd_jack_dev_free()
71 	list_for_each_entry_safe(jack_kctl, tmp_jack_kctl, &jack->kctl_list, list) {  in snd_jack_dev_free()
72 		list_del_init(&jack_kctl->list);  in snd_jack_dev_free()
73 		snd_ctl_remove(card, jack_kctl->kctl);  in snd_jack_dev_free()
76 	if (jack->private_free)  in snd_jack_dev_free()
77 		jack->private_free(jack);  in snd_jack_dev_free()
81 	kfree(jack->id);  in snd_jack_dev_free()
90 	struct snd_jack *jack = device->device_data;  in snd_jack_dev_register()
91 	struct snd_card *card = device->card;  in snd_jack_dev_register()
94 	snprintf(jack->name, sizeof(jack->name), "%s %s",  in snd_jack_dev_register()
95 		 card->shortname, jack->id);  in snd_jack_dev_register()
97 	guard(mutex)(&jack->input_dev_lock);  in snd_jack_dev_register()
98 	if (!jack->input_dev)  in snd_jack_dev_register()
101 	jack->input_dev->name = jack->name;  in snd_jack_dev_register()
104 	if (!jack->input_dev->dev.parent)  in snd_jack_dev_register()
105 		jack->input_dev->dev.parent = snd_card_get_device_link(card);  in snd_jack_dev_register()
108 	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {  in snd_jack_dev_register()
111 		if (!(jack->type & testbit))  in snd_jack_dev_register()
114 		if (!jack->key[i])  in snd_jack_dev_register()
115 			jack->key[i] = BTN_0 + i;  in snd_jack_dev_register()
117 		input_set_capability(jack->input_dev, EV_KEY, jack->key[i]);  in snd_jack_dev_register()
120 	err = input_register_device(jack->input_dev);  in snd_jack_dev_register()
122 		jack->registered = 1;  in snd_jack_dev_register()
138 	jack = jack_kctl->jack;  in snd_jack_inject_report()
140 	if (jack_kctl->sw_inject_enable)  in snd_jack_inject_report()
141 		snd_kctl_jack_report(jack->card, jack_kctl->kctl,  in snd_jack_inject_report()
142 				     status & jack_kctl->mask_bits);  in snd_jack_inject_report()
145 	if (!jack->input_dev)  in snd_jack_inject_report()
148 	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {  in snd_jack_inject_report()
149 		int testbit = ((SND_JACK_BTN_0 >> i) & jack_kctl->mask_bits);  in snd_jack_inject_report()
151 		if (jack->type & testbit)  in snd_jack_inject_report()
152 			input_report_key(jack->input_dev, jack->key[i],  in snd_jack_inject_report()
157 		int testbit = ((1 << i) & jack_kctl->mask_bits);  in snd_jack_inject_report()
159 		if (jack->type & testbit)  in snd_jack_inject_report()
160 			input_report_switch(jack->input_dev,  in snd_jack_inject_report()
165 	input_sync(jack->input_dev);  in snd_jack_inject_report()
172 	struct snd_jack_kctl *jack_kctl = file->private_data;  in sw_inject_enable_read()
176 	len = scnprintf(buf, sizeof(buf), "%s: %s\t\t%s: %i\n", "Jack", jack_kctl->kctl->id.name,  in sw_inject_enable_read()
177 			"Inject Enabled", jack_kctl->sw_inject_enable);  in sw_inject_enable_read()
186 	struct snd_jack_kctl *jack_kctl = file->private_data;  in sw_inject_enable_write()
191 	ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, from, count);  in sw_inject_enable_write()
196 	if (jack_kctl->sw_inject_enable == (!!enable))  in sw_inject_enable_write()
199 	jack_kctl->sw_inject_enable = !!enable;  in sw_inject_enable_write()
201 	if (!jack_kctl->sw_inject_enable)  in sw_inject_enable_write()
202 		snd_jack_report(jack_kctl->jack, jack_kctl->jack->hw_status_cache);  in sw_inject_enable_write()
210 	struct snd_jack_kctl *jack_kctl = file->private_data;  in jackin_inject_write()
215 	if (!jack_kctl->sw_inject_enable)  in jackin_inject_write()
216 		return -EINVAL;  in jackin_inject_write()
218 	ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, from, count);  in jackin_inject_write()
223 	snd_jack_inject_report(jack_kctl, !!enable ? jack_kctl->mask_bits : 0);  in jackin_inject_write()
231 	struct snd_jack_kctl *jack_kctl = file->private_data;  in jack_kctl_id_read()
235 	len = scnprintf(buf, sizeof(buf), "%s\n", jack_kctl->kctl->id.name);  in jack_kctl_id_read()
270 	struct snd_jack_kctl *jack_kctl = file->private_data;  in jack_kctl_mask_bits_read()
274 	len = parse_mask_bits(jack_kctl->mask_bits, buf, sizeof(buf));  in jack_kctl_mask_bits_read()
283 	struct snd_jack_kctl *jack_kctl = file->private_data;  in jack_kctl_status_read()
287 	len = scnprintf(buf, sizeof(buf), "%s\n", jack_kctl->kctl->private_value ?  in jack_kctl_status_read()
298 	struct snd_jack_kctl *jack_kctl = file->private_data;  in jack_type_read()
302 	len = parse_mask_bits(jack_kctl->jack->type, buf, sizeof(buf));  in jack_type_read()
353 	if (strstr(jack_kctl->kctl->id.name, "Phantom"))  in snd_jack_debugfs_add_inject_node()
356 	tname = kstrdup(jack_kctl->kctl->id.name, GFP_KERNEL);  in snd_jack_debugfs_add_inject_node()
358 		return -ENOMEM;  in snd_jack_debugfs_add_inject_node()
365 	jack_kctl->jack_debugfs_root = debugfs_create_dir(tname, jack->card->debugfs_root);  in snd_jack_debugfs_add_inject_node()
368 	debugfs_create_file("sw_inject_enable", 0644, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
371 	debugfs_create_file("jackin_inject", 0200, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
374 	debugfs_create_file("kctl_id", 0444, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
377 	debugfs_create_file("mask_bits", 0444, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
380 	debugfs_create_file("status", 0444, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
384 	debugfs_create_file("type", 0444, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
394 	list_for_each_entry(jack_kctl, &jack->kctl_list, list) {  in snd_jack_remove_debugfs()
395 		debugfs_remove(jack_kctl->jack_debugfs_root);  in snd_jack_remove_debugfs()
396 		jack_kctl->jack_debugfs_root = NULL;  in snd_jack_remove_debugfs()
415 	jack_kctl = kctl->private_data;  in snd_jack_kctl_private_free()
417 		list_del(&jack_kctl->list);  in snd_jack_kctl_private_free()
424 	jack_kctl->jack = jack;  in snd_jack_kctl_add()
425 	list_add_tail(&jack_kctl->list, &jack->kctl_list);  in snd_jack_kctl_add()
448 	jack_kctl->kctl = kctl;  in snd_jack_kctl_new()
449 	jack_kctl->mask_bits = mask;  in snd_jack_kctl_new()
451 	kctl->private_data = jack_kctl;  in snd_jack_kctl_new()
452 	kctl->private_free = snd_jack_kctl_private_free;  in snd_jack_kctl_new()
461  * snd_jack_add_new_kctl - Create a new snd_jack_kctl and add it to jack
469  * Return: Zero if successful, or a negative error code on failure.
475 	jack_kctl = snd_jack_kctl_new(jack->card, name, mask);  in snd_jack_add_new_kctl()
477 		return -ENOMEM;  in snd_jack_add_new_kctl()
485  * snd_jack_new - Create a new jack
496  * Return: Zero if successful, or a negative error code on failure.
497  * On success @jjack will be initialised.
516 			return -ENOMEM;  in snd_jack_new()
521 		return -ENOMEM;  in snd_jack_new()
523 	jack->id = kstrdup(id, GFP_KERNEL);  in snd_jack_new()
524 	if (jack->id == NULL) {  in snd_jack_new()
526 		return -ENOMEM;  in snd_jack_new()
530 	mutex_init(&jack->input_dev_lock);  in snd_jack_new()
536 		jack->input_dev = input_allocate_device();  in snd_jack_new()
537 		if (jack->input_dev == NULL) {  in snd_jack_new()
538 			err = -ENOMEM;  in snd_jack_new()
542 		jack->input_dev->phys = "ALSA";  in snd_jack_new()
544 		jack->type = type;  in snd_jack_new()
548 				input_set_capability(jack->input_dev, EV_SW,  in snd_jack_new()
558 	jack->card = card;  in snd_jack_new()
559 	INIT_LIST_HEAD(&jack->kctl_list);  in snd_jack_new()
570 	input_free_device(jack->input_dev);  in snd_jack_new()
572 	kfree(jack->id);  in snd_jack_new()
580  * snd_jack_set_key - Set a key mapping on a jack
596  * access the input device directly - devices with complex input
602  * Return: Zero if successful, or a negative error code on failure.
607 	int key = fls(SND_JACK_BTN_0) - fls(type);  in snd_jack_set_key()
609 	WARN_ON(jack->registered);  in snd_jack_set_key()
611 	if (!keytype || key >= ARRAY_SIZE(jack->key))  in snd_jack_set_key()
612 		return -EINVAL;  in snd_jack_set_key()
614 	jack->type |= type;  in snd_jack_set_key()
615 	jack->key[key] = keytype;  in snd_jack_set_key()
622  * snd_jack_report - Report the current status of a jack
641 	jack->hw_status_cache = status;  in snd_jack_report()
643 	list_for_each_entry(jack_kctl, &jack->kctl_list, list)  in snd_jack_report()
644 		if (jack_kctl->sw_inject_enable)  in snd_jack_report()
645 			mask_bits |= jack_kctl->mask_bits;  in snd_jack_report()
647 			snd_kctl_jack_report(jack->card, jack_kctl->kctl,  in snd_jack_report()
648 					     status & jack_kctl->mask_bits);  in snd_jack_report()
651 	idev = input_get_device(jack->input_dev);  in snd_jack_report()
655 	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {  in snd_jack_report()
658 		if (jack->type & testbit)  in snd_jack_report()
659 			input_report_key(idev, jack->key[i],  in snd_jack_report()
666 		if (jack->type & testbit)  in snd_jack_report()