[mirror_ubuntu-zesty-kernel.git] / sound / core / jack.c

/*
 *  Jack abstraction layer
 *
 *  Copyright 2008 Wolfson Microelectronics
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <linux/input.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/jack.h>
#include <sound/core.h>
#include <sound/control.h>

struct snd_jack_kctl {
	struct snd_kcontrol *kctl;
	struct list_head list;  /* list of controls belong to the same jack */
	unsigned int mask_bits; /* only masked status bits are reported via kctl */
};

static int jack_switch_types[SND_JACK_SWITCH_TYPES] = {
	SW_HEADPHONE_INSERT,
	SW_MICROPHONE_INSERT,
	SW_LINEOUT_INSERT,
	SW_JACK_PHYSICAL_INSERT,
	SW_VIDEOOUT_INSERT,
	SW_LINEIN_INSERT,
};

static int snd_jack_dev_disconnect(struct snd_device *device)
{
	struct snd_jack *jack = device->device_data;

	if (!jack->input_dev)
		return 0;

	/* If the input device is registered with the input subsystem
	 * then we need to use a different deallocator. */
	if (jack->registered)
		input_unregister_device(jack->input_dev);
	else
		input_free_device(jack->input_dev);
	jack->input_dev = NULL;
	return 0;
}

static int snd_jack_dev_free(struct snd_device *device)
{
	struct snd_jack *jack = device->device_data;
	struct snd_card *card = device->card;
	struct snd_jack_kctl *jack_kctl, *tmp_jack_kctl;

	list_for_each_entry_safe(jack_kctl, tmp_jack_kctl, &jack->kctl_list, list) {
		list_del_init(&jack_kctl->list);
		snd_ctl_remove(card, jack_kctl->kctl);
	}
	if (jack->private_free)
		jack->private_free(jack);

	snd_jack_dev_disconnect(device);

	kfree(jack->id);
	kfree(jack);

	return 0;
}

static int snd_jack_dev_register(struct snd_device *device)
{
	struct snd_jack *jack = device->device_data;
	struct snd_card *card = device->card;
	int err, i;

	snprintf(jack->name, sizeof(jack->name), "%s %s",
		 card->shortname, jack->id);

	if (!jack->input_dev)
		return 0;

	jack->input_dev->name = jack->name;

	/* Default to the sound card device. */
	if (!jack->input_dev->dev.parent)
		jack->input_dev->dev.parent = snd_card_get_device_link(card);

	/* Add capabilities for any keys that are enabled */
	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {
		int testbit = SND_JACK_BTN_0 >> i;

		if (!(jack->type & testbit))
			continue;

		if (!jack->key[i])
			jack->key[i] = BTN_0 + i;

		input_set_capability(jack->input_dev, EV_KEY, jack->key[i]);
	}

	err = input_register_device(jack->input_dev);
	if (err == 0)
		jack->registered = 1;

	return err;
}

static void snd_jack_kctl_private_free(struct snd_kcontrol *kctl)
{
	struct snd_jack_kctl *jack_kctl;

	jack_kctl = kctl->private_data;
	if (jack_kctl) {
		list_del(&jack_kctl->list);
		kfree(jack_kctl);
	}
}

static void snd_jack_kctl_add(struct snd_jack *jack, struct snd_jack_kctl *jack_kctl)
{
	list_add_tail(&jack_kctl->list, &jack->kctl_list);
}

static struct snd_jack_kctl * snd_jack_kctl_new(struct snd_card *card, const char *name, unsigned int mask)
{
	struct snd_kcontrol *kctl;
	struct snd_jack_kctl *jack_kctl;
	int err;

	kctl = snd_kctl_jack_new(name, card);
	if (!kctl)
		return NULL;

	err = snd_ctl_add(card, kctl);
	if (err < 0)
		return NULL;

	jack_kctl = kzalloc(sizeof(*jack_kctl), GFP_KERNEL);

	if (!jack_kctl)
		goto error;

	jack_kctl->kctl = kctl;
	jack_kctl->mask_bits = mask;

	kctl->private_data = jack_kctl;
	kctl->private_free = snd_jack_kctl_private_free;

	return jack_kctl;
error:
	snd_ctl_free_one(kctl);
	return NULL;
}

/**
 * snd_jack_add_new_kctl - Create a new snd_jack_kctl and add it to jack
 * @jack:  the jack instance which the kctl will attaching to
 * @name:  the name for the snd_kcontrol object
 * @mask:  a bitmask of enum snd_jack_type values that can be detected
 *         by this snd_jack_kctl object.
 *
 * Creates a new snd_kcontrol object and adds it to the jack kctl_list.
 *
 * Return: Zero if successful, or a negative error code on failure.
 */
int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask)
{
	struct snd_jack_kctl *jack_kctl;

	jack_kctl = snd_jack_kctl_new(jack->card, name, mask);
	if (!jack_kctl)
		return -ENOMEM;

	snd_jack_kctl_add(jack, jack_kctl);
	return 0;
}
EXPORT_SYMBOL(snd_jack_add_new_kctl);

/**
 * snd_jack_new - Create a new jack
 * @card:  the card instance
 * @id:    an identifying string for this jack
 * @type:  a bitmask of enum snd_jack_type values that can be detected by
 *         this jack
 * @jjack: Used to provide the allocated jack object to the caller.
 * @initial_kctl: if true, create a kcontrol and add it to the jack list.
 * @phantom_jack: Don't create a input device for phantom jacks.
 *
 * Creates a new jack object.
 *
 * Return: Zero if successful, or a negative error code on failure.
 * On success @jjack will be initialised.
 */
int snd_jack_new(struct snd_card *card, const char *id, int type,
		 struct snd_jack **jjack, bool initial_kctl, bool phantom_jack)
{
	struct snd_jack *jack;
	struct snd_jack_kctl *jack_kctl = NULL;
	int err;
	int i;
	static struct snd_device_ops ops = {
		.dev_free = snd_jack_dev_free,
		.dev_register = snd_jack_dev_register,
		.dev_disconnect = snd_jack_dev_disconnect,
	};

	if (initial_kctl) {
		jack_kctl = snd_jack_kctl_new(card, id, type);
		if (!jack_kctl)
			return -ENOMEM;
	}

	jack = kzalloc(sizeof(struct snd_jack), GFP_KERNEL);
	if (jack == NULL)
		return -ENOMEM;

	jack->id = kstrdup(id, GFP_KERNEL);

	/* don't creat input device for phantom jack */
	if (!phantom_jack) {
		jack->input_dev = input_allocate_device();
		if (jack->input_dev == NULL) {
			err = -ENOMEM;
			goto fail_input;
		}

		jack->input_dev->phys = "ALSA";

		jack->type = type;

		for (i = 0; i < SND_JACK_SWITCH_TYPES; i++)
			if (type & (1 << i))
				input_set_capability(jack->input_dev, EV_SW,
						     jack_switch_types[i]);

	}

	err = snd_device_new(card, SNDRV_DEV_JACK, jack, &ops);
	if (err < 0)
		goto fail_input;

	jack->card = card;
	INIT_LIST_HEAD(&jack->kctl_list);

	if (initial_kctl)
		snd_jack_kctl_add(jack, jack_kctl);

	*jjack = jack;

	return 0;

fail_input:
	input_free_device(jack->input_dev);
	kfree(jack->id);
	kfree(jack);
	return err;
}
EXPORT_SYMBOL(snd_jack_new);

/**
 * snd_jack_set_parent - Set the parent device for a jack
 *
 * @jack:   The jack to configure
 * @parent: The device to set as parent for the jack.
 *
 * Set the parent for the jack devices in the device tree.  This
 * function is only valid prior to registration of the jack.  If no
 * parent is configured then the parent device will be the sound card.
 */
void snd_jack_set_parent(struct snd_jack *jack, struct device *parent)
{
	WARN_ON(jack->registered);
	if (!jack->input_dev)
		return;

	jack->input_dev->dev.parent = parent;
}
EXPORT_SYMBOL(snd_jack_set_parent);

/**
 * snd_jack_set_key - Set a key mapping on a jack
 *
 * @jack:    The jack to configure
 * @type:    Jack report type for this key
 * @keytype: Input layer key type to be reported
 *
 * Map a SND_JACK_BTN_ button type to an input layer key, allowing
 * reporting of keys on accessories via the jack abstraction.  If no
 * mapping is provided but keys are enabled in the jack type then
 * BTN_n numeric buttons will be reported.
 *
 * If jacks are not reporting via the input API this call will have no
 * effect.
 *
 * Note that this is intended to be use by simple devices with small
 * numbers of keys that can be reported.  It is also possible to
 * access the input device directly - devices with complex input
 * capabilities on accessories should consider doing this rather than
 * using this abstraction.
 *
 * This function may only be called prior to registration of the jack.
 *
 * Return: Zero if successful, or a negative error code on failure.
 */
int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
		     int keytype)
{
	int key = fls(SND_JACK_BTN_0) - fls(type);

	WARN_ON(jack->registered);

	if (!keytype || key >= ARRAY_SIZE(jack->key))
		return -EINVAL;

	jack->type |= type;
	jack->key[key] = keytype;

	return 0;
}
EXPORT_SYMBOL(snd_jack_set_key);

/**
 * snd_jack_report - Report the current status of a jack
 *
 * @jack:   The jack to report status for
 * @status: The current status of the jack
 */
void snd_jack_report(struct snd_jack *jack, int status)
{
	struct snd_jack_kctl *jack_kctl;
	int i;

	if (!jack)
		return;

	list_for_each_entry(jack_kctl, &jack->kctl_list, list)
		snd_kctl_jack_report(jack->card, jack_kctl->kctl,
					    status & jack_kctl->mask_bits);

	if (!jack->input_dev)
		return;

	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {
		int testbit = SND_JACK_BTN_0 >> i;

		if (jack->type & testbit)
			input_report_key(jack->input_dev, jack->key[i],
					 status & testbit);
	}

	for (i = 0; i < ARRAY_SIZE(jack_switch_types); i++) {
		int testbit = 1 << i;
		if (jack->type & testbit)
			input_report_switch(jack->input_dev,
					    jack_switch_types[i],
					    status & testbit);
	}

	input_sync(jack->input_dev);

}
EXPORT_SYMBOL(snd_jack_report);
Commit	Line	Data
e76d8cea MB	1	/*
	2	* Jack abstraction layer
	3	*
	4	* Copyright 2008 Wolfson Microelectronics
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*
	20	*/
	21
	22	#include <linux/input.h>
5a0e3ad6	23	#include <linux/slab.h>
da155d5b	24	#include <linux/module.h>
e76d8cea MB	25	#include <sound/jack.h>
e76d8cea MB	26	#include <sound/core.h>
9058cbe1 JY	27	#include <sound/control.h>
	28
	29	struct snd_jack_kctl {
	30	struct snd_kcontrol *kctl;
	31	struct list_head list; /* list of controls belong to the same jack */
	32	unsigned int mask_bits; /* only masked status bits are reported via kctl */
	33	};
e76d8cea	34
53803aea	35	static int jack_switch_types[SND_JACK_SWITCH_TYPES] = {
bd8a71a7 MB	36	SW_HEADPHONE_INSERT,
	37	SW_MICROPHONE_INSERT,
	38	SW_LINEOUT_INSERT,
	39	SW_JACK_PHYSICAL_INSERT,
d506fc32	40	SW_VIDEOOUT_INSERT,
7c2f8e40	41	SW_LINEIN_INSERT,
bd8a71a7 MB	42	};
bd8a71a7 MB	43
32b85442	44	static int snd_jack_dev_disconnect(struct snd_device *device)
e76d8cea MB	45	{
	46	struct snd_jack *jack = device->device_data;
	47
32b85442 TI	48	if (!jack->input_dev)
32b85442 TI	49	return 0;
9d59065c	50
e76d8cea MB	51	/* If the input device is registered with the input subsystem
	52	* then we need to use a different deallocator. */
	53	if (jack->registered)
	54	input_unregister_device(jack->input_dev);
	55	else
	56	input_free_device(jack->input_dev);
32b85442 TI	57	jack->input_dev = NULL;
	58	return 0;
	59	}
	60
	61	static int snd_jack_dev_free(struct snd_device *device)
	62	{
	63	struct snd_jack *jack = device->device_data;
9058cbe1 JY	64	struct snd_card *card = device->card;
9058cbe1 JY	65	struct snd_jack_kctl jack_kctl, tmp_jack_kctl;
32b85442	66
9058cbe1 JY	67	list_for_each_entry_safe(jack_kctl, tmp_jack_kctl, &jack->kctl_list, list) {
	68	list_del_init(&jack_kctl->list);
	69	snd_ctl_remove(card, jack_kctl->kctl);
	70	}
32b85442 TI	71	if (jack->private_free)
	72	jack->private_free(jack);
	73
	74	snd_jack_dev_disconnect(device);
e76d8cea	75
282cd76f	76	kfree(jack->id);
e76d8cea MB	77	kfree(jack);
	78
	79	return 0;
	80	}
	81
	82	static int snd_jack_dev_register(struct snd_device *device)
	83	{
	84	struct snd_jack *jack = device->device_data;
	85	struct snd_card *card = device->card;
ebb812cb	86	int err, i;
e76d8cea MB	87
e76d8cea MB	88	snprintf(jack->name, sizeof(jack->name), "%s %s",
2678f60d	89	card->shortname, jack->id);
43b2cd54 TI	90
	91	if (!jack->input_dev)
	92	return 0;
	93
e76d8cea MB	94	jack->input_dev->name = jack->name;
	95
	96	/* Default to the sound card device. */
	97	if (!jack->input_dev->dev.parent)
1f3fff7b	98	jack->input_dev->dev.parent = snd_card_get_device_link(card);
e76d8cea	99
ebb812cb MB	100	/* Add capabilities for any keys that are enabled */
	101	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {
	102	int testbit = SND_JACK_BTN_0 >> i;
	103
	104	if (!(jack->type & testbit))
	105	continue;
	106
	107	if (!jack->key[i])
	108	jack->key[i] = BTN_0 + i;
	109
	110	input_set_capability(jack->input_dev, EV_KEY, jack->key[i]);
	111	}
	112
e76d8cea MB	113	err = input_register_device(jack->input_dev);
	114	if (err == 0)
	115	jack->registered = 1;
	116
	117	return err;
	118	}
	119
9058cbe1 JY	120	static void snd_jack_kctl_private_free(struct snd_kcontrol *kctl)
	121	{
	122	struct snd_jack_kctl *jack_kctl;
	123
	124	jack_kctl = kctl->private_data;
	125	if (jack_kctl) {
	126	list_del(&jack_kctl->list);
	127	kfree(jack_kctl);
	128	}
	129	}
	130
	131	static void snd_jack_kctl_add(struct snd_jack jack, struct snd_jack_kctl jack_kctl)
	132	{
	133	list_add_tail(&jack_kctl->list, &jack->kctl_list);
	134	}
	135
	136	static struct snd_jack_kctl * snd_jack_kctl_new(struct snd_card card, const char name, unsigned int mask)
	137	{
	138	struct snd_kcontrol *kctl;
	139	struct snd_jack_kctl *jack_kctl;
	140	int err;
	141
2ba2dfa1	142	kctl = snd_kctl_jack_new(name, card);
9058cbe1 JY	143	if (!kctl)
	144	return NULL;
	145
	146	err = snd_ctl_add(card, kctl);
	147	if (err < 0)
	148	return NULL;
	149
	150	jack_kctl = kzalloc(sizeof(*jack_kctl), GFP_KERNEL);
	151
	152	if (!jack_kctl)
	153	goto error;
	154
	155	jack_kctl->kctl = kctl;
	156	jack_kctl->mask_bits = mask;
	157
	158	kctl->private_data = jack_kctl;
	159	kctl->private_free = snd_jack_kctl_private_free;
	160
	161	return jack_kctl;
	162	error:
	163	snd_ctl_free_one(kctl);
	164	return NULL;
	165	}
	166
	167	/**
	168	* snd_jack_add_new_kctl - Create a new snd_jack_kctl and add it to jack
	169	* @jack: the jack instance which the kctl will attaching to
	170	* @name: the name for the snd_kcontrol object
	171	* @mask: a bitmask of enum snd_jack_type values that can be detected
	172	* by this snd_jack_kctl object.
	173	*
	174	* Creates a new snd_kcontrol object and adds it to the jack kctl_list.
	175	*
	176	* Return: Zero if successful, or a negative error code on failure.
	177	*/
	178	int snd_jack_add_new_kctl(struct snd_jack jack, const char name, int mask)
	179	{
	180	struct snd_jack_kctl *jack_kctl;
	181
	182	jack_kctl = snd_jack_kctl_new(jack->card, name, mask);
	183	if (!jack_kctl)
	184	return -ENOMEM;
	185
	186	snd_jack_kctl_add(jack, jack_kctl);
	187	return 0;
	188	}
	189	EXPORT_SYMBOL(snd_jack_add_new_kctl);
	190
e76d8cea MB	191	/**
	192	* snd_jack_new - Create a new jack
	193	* @card: the card instance
	194	* @id: an identifying string for this jack
	195	* @type: a bitmask of enum snd_jack_type values that can be detected by
	196	* this jack
	197	* @jjack: Used to provide the allocated jack object to the caller.
4e3f0dc6 JY	198	* @initial_kctl: if true, create a kcontrol and add it to the jack list.
4e3f0dc6 JY	199	* @phantom_jack: Don't create a input device for phantom jacks.
e76d8cea MB	200	*
	201	* Creates a new jack object.
	202	*
eb7c06e8 YB	203	* Return: Zero if successful, or a negative error code on failure.
eb7c06e8 YB	204	* On success @jjack will be initialised.
e76d8cea MB	205	*/
e76d8cea MB	206	int snd_jack_new(struct snd_card card, const char id, int type,
4e3f0dc6	207	struct snd_jack **jjack, bool initial_kctl, bool phantom_jack)
e76d8cea MB	208	{
e76d8cea MB	209	struct snd_jack *jack;
4e3f0dc6	210	struct snd_jack_kctl *jack_kctl = NULL;
e76d8cea	211	int err;
bd8a71a7	212	int i;
e76d8cea MB	213	static struct snd_device_ops ops = {
	214	.dev_free = snd_jack_dev_free,
	215	.dev_register = snd_jack_dev_register,
32b85442	216	.dev_disconnect = snd_jack_dev_disconnect,
e76d8cea MB	217	};
e76d8cea MB	218
4e3f0dc6 JY	219	if (initial_kctl) {
	220	jack_kctl = snd_jack_kctl_new(card, id, type);
	221	if (!jack_kctl)
	222	return -ENOMEM;
	223	}
	224
e76d8cea MB	225	jack = kzalloc(sizeof(struct snd_jack), GFP_KERNEL);
	226	if (jack == NULL)
	227	return -ENOMEM;
	228
282cd76f	229	jack->id = kstrdup(id, GFP_KERNEL);
e76d8cea	230
4e3f0dc6 JY	231	/* don't creat input device for phantom jack */
	232	if (!phantom_jack) {
	233	jack->input_dev = input_allocate_device();
	234	if (jack->input_dev == NULL) {
	235	err = -ENOMEM;
	236	goto fail_input;
	237	}
e76d8cea	238
4e3f0dc6	239	jack->input_dev->phys = "ALSA";
e76d8cea	240
4e3f0dc6	241	jack->type = type;
e76d8cea	242
4e3f0dc6 JY	243	for (i = 0; i < SND_JACK_SWITCH_TYPES; i++)
	244	if (type & (1 << i))
	245	input_set_capability(jack->input_dev, EV_SW,
	246	jack_switch_types[i]);
	247
	248	}
e76d8cea MB	249
	250	err = snd_device_new(card, SNDRV_DEV_JACK, jack, &ops);
	251	if (err < 0)
	252	goto fail_input;
	253
9058cbe1 JY	254	jack->card = card;
	255	INIT_LIST_HEAD(&jack->kctl_list);
	256
4e3f0dc6 JY	257	if (initial_kctl)
	258	snd_jack_kctl_add(jack, jack_kctl);
	259
e76d8cea MB	260	*jjack = jack;
	261
	262	return 0;
	263
	264	fail_input:
	265	input_free_device(jack->input_dev);
eeda276b	266	kfree(jack->id);
e76d8cea MB	267	kfree(jack);
	268	return err;
	269	}
	270	EXPORT_SYMBOL(snd_jack_new);
	271
	272	/**
	273	* snd_jack_set_parent - Set the parent device for a jack
	274	*
	275	* @jack: The jack to configure
	276	* @parent: The device to set as parent for the jack.
	277	*
a2e888f0	278	* Set the parent for the jack devices in the device tree. This
e76d8cea MB	279	* function is only valid prior to registration of the jack. If no
	280	* parent is configured then the parent device will be the sound card.
	281	*/
	282	void snd_jack_set_parent(struct snd_jack jack, struct device parent)
	283	{
	284	WARN_ON(jack->registered);
43b2cd54 TI	285	if (!jack->input_dev)
43b2cd54 TI	286	return;
e76d8cea MB	287
	288	jack->input_dev->dev.parent = parent;
	289	}
	290	EXPORT_SYMBOL(snd_jack_set_parent);
	291
ebb812cb MB	292	/**
	293	* snd_jack_set_key - Set a key mapping on a jack
	294	*
	295	* @jack: The jack to configure
	296	* @type: Jack report type for this key
	297	* @keytype: Input layer key type to be reported
	298	*
	299	* Map a SND_JACK_BTN_ button type to an input layer key, allowing
	300	* reporting of keys on accessories via the jack abstraction. If no
	301	* mapping is provided but keys are enabled in the jack type then
	302	* BTN_n numeric buttons will be reported.
	303	*
a2e888f0 MB	304	* If jacks are not reporting via the input API this call will have no
	305	* effect.
	306	*
ebb812cb MB	307	* Note that this is intended to be use by simple devices with small
	308	* numbers of keys that can be reported. It is also possible to
	309	* access the input device directly - devices with complex input
	310	* capabilities on accessories should consider doing this rather than
	311	* using this abstraction.
	312	*
	313	* This function may only be called prior to registration of the jack.
eb7c06e8 YB	314	*
eb7c06e8 YB	315	* Return: Zero if successful, or a negative error code on failure.
ebb812cb MB	316	*/
	317	int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
	318	int keytype)
	319	{
	320	int key = fls(SND_JACK_BTN_0) - fls(type);
	321
	322	WARN_ON(jack->registered);
	323
	324	if (!keytype \|\| key >= ARRAY_SIZE(jack->key))
	325	return -EINVAL;
	326
	327	jack->type \|= type;
	328	jack->key[key] = keytype;
	329
	330	return 0;
	331	}
	332	EXPORT_SYMBOL(snd_jack_set_key);
	333
e76d8cea MB	334	/**
	335	* snd_jack_report - Report the current status of a jack
	336	*
	337	* @jack: The jack to report status for
	338	* @status: The current status of the jack
	339	*/
	340	void snd_jack_report(struct snd_jack *jack, int status)
	341	{
9058cbe1	342	struct snd_jack_kctl *jack_kctl;
bd8a71a7 MB	343	int i;
bd8a71a7 MB	344
9a3f371e MB	345	if (!jack)
	346	return;
	347
6ed9495e JY	348	list_for_each_entry(jack_kctl, &jack->kctl_list, list)
	349	snd_kctl_jack_report(jack->card, jack_kctl->kctl,
	350	status & jack_kctl->mask_bits);
	351
	352	if (!jack->input_dev)
	353	return;
	354
ebb812cb MB	355	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {
	356	int testbit = SND_JACK_BTN_0 >> i;
	357
	358	if (jack->type & testbit)
	359	input_report_key(jack->input_dev, jack->key[i],
	360	status & testbit);
	361	}
	362
1c6e555c	363	for (i = 0; i < ARRAY_SIZE(jack_switch_types); i++) {
bd8a71a7 MB	364	int testbit = 1 << i;
bd8a71a7 MB	365	if (jack->type & testbit)
1c6e555c MB	366	input_report_switch(jack->input_dev,
1c6e555c MB	367	jack_switch_types[i],
bd8a71a7 MB	368	status & testbit);
bd8a71a7 MB	369	}
e76d8cea MB	370
e76d8cea MB	371	input_sync(jack->input_dev);
9058cbe1	372
e76d8cea MB	373	}
e76d8cea MB	374	EXPORT_SYMBOL(snd_jack_report);