1 // SPDX-License-Identifier: GPL-2.0-or-later
35 	struct snd_jack *jack = device->device_data;  in snd_jack_dev_disconnect()
37 	if (!jack->input_dev)  in snd_jack_dev_disconnect()
42 	if (jack->registered)  in snd_jack_dev_disconnect()
43 		input_unregister_device(jack->input_dev);  in snd_jack_dev_disconnect()
45 		input_free_device(jack->input_dev);  in snd_jack_dev_disconnect()
46 	jack->input_dev = NULL;  in snd_jack_dev_disconnect()
53 	struct snd_jack *jack = device->device_data;  in snd_jack_dev_free()
54 	struct snd_card *card = device->card;  in snd_jack_dev_free()
57 	list_for_each_entry_safe(jack_kctl, tmp_jack_kctl, &jack->kctl_list, list) {  in snd_jack_dev_free()
58 		list_del_init(&jack_kctl->list);  in snd_jack_dev_free()
59 		snd_ctl_remove(card, jack_kctl->kctl);  in snd_jack_dev_free()
61 	if (jack->private_free)  in snd_jack_dev_free()
62 		jack->private_free(jack);  in snd_jack_dev_free()
66 	kfree(jack->id);  in snd_jack_dev_free()
75 	struct snd_jack *jack = device->device_data;  in snd_jack_dev_register()
76 	struct snd_card *card = device->card;  in snd_jack_dev_register()
79 	snprintf(jack->name, sizeof(jack->name), "%s %s",  in snd_jack_dev_register()
80 		 card->shortname, jack->id);  in snd_jack_dev_register()
82 	if (!jack->input_dev)  in snd_jack_dev_register()
85 	jack->input_dev->name = jack->name;  in snd_jack_dev_register()
88 	if (!jack->input_dev->dev.parent)  in snd_jack_dev_register()
89 		jack->input_dev->dev.parent = snd_card_get_device_link(card);  in snd_jack_dev_register()
92 	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {  in snd_jack_dev_register()
95 		if (!(jack->type & testbit))  in snd_jack_dev_register()
98 		if (!jack->key[i])  in snd_jack_dev_register()
99 			jack->key[i] = BTN_0 + i;  in snd_jack_dev_register()
101 		input_set_capability(jack->input_dev, EV_KEY, jack->key[i]);  in snd_jack_dev_register()
104 	err = input_register_device(jack->input_dev);  in snd_jack_dev_register()
106 		jack->registered = 1;  in snd_jack_dev_register()
116 	jack_kctl = kctl->private_data;  in snd_jack_kctl_private_free()
118 		list_del(&jack_kctl->list);  in snd_jack_kctl_private_free()
125 	list_add_tail(&jack_kctl->list, &jack->kctl_list);  in snd_jack_kctl_add()
147 	jack_kctl->kctl = kctl;  in snd_jack_kctl_new()
148 	jack_kctl->mask_bits = mask;  in snd_jack_kctl_new()
150 	kctl->private_data = jack_kctl;  in snd_jack_kctl_new()
151 	kctl->private_free = snd_jack_kctl_private_free;  in snd_jack_kctl_new()
160  * snd_jack_add_new_kctl - Create a new snd_jack_kctl and add it to jack
168  * Return: Zero if successful, or a negative error code on failure.
174 	jack_kctl = snd_jack_kctl_new(jack->card, name, mask);  in snd_jack_add_new_kctl()
176 		return -ENOMEM;  in snd_jack_add_new_kctl()
184  * snd_jack_new - Create a new jack
195  * Return: Zero if successful, or a negative error code on failure.
196  * On success @jjack will be initialised.
215 			return -ENOMEM;  in snd_jack_new()
220 		return -ENOMEM;  in snd_jack_new()
222 	jack->id = kstrdup(id, GFP_KERNEL);  in snd_jack_new()
229 		jack->input_dev = input_allocate_device();  in snd_jack_new()
230 		if (jack->input_dev == NULL) {  in snd_jack_new()
231 			err = -ENOMEM;  in snd_jack_new()
235 		jack->input_dev->phys = "ALSA";  in snd_jack_new()
237 		jack->type = type;  in snd_jack_new()
241 				input_set_capability(jack->input_dev, EV_SW,  in snd_jack_new()
251 	jack->card = card;  in snd_jack_new()
252 	INIT_LIST_HEAD(&jack->kctl_list);  in snd_jack_new()
263 	input_free_device(jack->input_dev);  in snd_jack_new()
265 	kfree(jack->id);  in snd_jack_new()
273  * snd_jack_set_parent - Set the parent device for a jack
284 	WARN_ON(jack->registered);  in snd_jack_set_parent()
285 	if (!jack->input_dev)  in snd_jack_set_parent()
288 	jack->input_dev->dev.parent = parent;  in snd_jack_set_parent()
293  * snd_jack_set_key - Set a key mapping on a jack
309  * access the input device directly - devices with complex input
315  * Return: Zero if successful, or a negative error code on failure.
320 	int key = fls(SND_JACK_BTN_0) - fls(type);  in snd_jack_set_key()
322 	WARN_ON(jack->registered);  in snd_jack_set_key()
324 	if (!keytype || key >= ARRAY_SIZE(jack->key))  in snd_jack_set_key()
325 		return -EINVAL;  in snd_jack_set_key()
327 	jack->type |= type;  in snd_jack_set_key()
328 	jack->key[key] = keytype;  in snd_jack_set_key()
335  * snd_jack_report - Report the current status of a jack
350 	list_for_each_entry(jack_kctl, &jack->kctl_list, list)  in snd_jack_report()
351 		snd_kctl_jack_report(jack->card, jack_kctl->kctl,  in snd_jack_report()
352 					    status & jack_kctl->mask_bits);  in snd_jack_report()
355 	if (!jack->input_dev)  in snd_jack_report()
358 	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {  in snd_jack_report()
361 		if (jack->type & testbit)  in snd_jack_report()
362 			input_report_key(jack->input_dev, jack->key[i],  in snd_jack_report()
368 		if (jack->type & testbit)  in snd_jack_report()
369 			input_report_switch(jack->input_dev,  in snd_jack_report()
374 	input_sync(jack->input_dev);  in snd_jack_report()