48 static int snd_ctl_open(struct inode *inode, struct file *file)  in snd_ctl_open()  argument
55 	err = nonseekable_open(inode, file);  in snd_ctl_open()
64 	err = snd_card_file_add(card, file);  in snd_ctl_open()
85 	file->private_data = ctl;  in snd_ctl_open()
95 	snd_card_file_remove(card, file);  in snd_ctl_open()
116 static int snd_ctl_release(struct inode *inode, struct file *file)  in snd_ctl_release()  argument
124 	ctl = file->private_data;  in snd_ctl_release()
125 	file->private_data = NULL;  in snd_ctl_release()
140 	snd_card_file_remove(card, file);  in snd_ctl_release()
210 		       unsigned int access, struct snd_ctl_file *file)  in snd_ctl_new()  argument
227 		(*kctl)->vd[idx].owner = file;  in snd_ctl_new()
551 static int snd_ctl_remove_user_ctl(struct snd_ctl_file * file,  in snd_ctl_remove_user_ctl()  argument
554 	struct snd_card *card = file->card;  in snd_ctl_remove_user_ctl()
569 		if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file) {  in snd_ctl_remove_user_ctl()
922 static int snd_ctl_elem_write(struct snd_card *card, struct snd_ctl_file *file,  in snd_ctl_elem_write()  argument
939 		    (file && vd->owner && vd->owner != file)) {  in snd_ctl_elem_write()
956 static int snd_ctl_elem_write_user(struct snd_ctl_file *file,  in snd_ctl_elem_write_user()  argument
967 	card = file->card;  in snd_ctl_elem_write_user()
971 		result = snd_ctl_elem_write(card, file, control);  in snd_ctl_elem_write_user()
980 static int snd_ctl_elem_lock(struct snd_ctl_file *file,  in snd_ctl_elem_lock()  argument
983 	struct snd_card *card = file->card;  in snd_ctl_elem_lock()
1000 			vd->owner = file;  in snd_ctl_elem_lock()
1008 static int snd_ctl_elem_unlock(struct snd_ctl_file *file,  in snd_ctl_elem_unlock()  argument
1011 	struct snd_card *card = file->card;  in snd_ctl_elem_unlock()
1027 		else if (vd->owner != file)  in snd_ctl_elem_unlock()
1206 static int snd_ctl_elem_add(struct snd_ctl_file *file,  in snd_ctl_elem_add()  argument
1226 	struct snd_card *card = file->card;  in snd_ctl_elem_add()
1243 		err = snd_ctl_remove_user_ctl(file, &info->id);  in snd_ctl_elem_add()
1292 	err = snd_ctl_new(&kctl, count, access, file);  in snd_ctl_elem_add()
1355 static int snd_ctl_elem_add_user(struct snd_ctl_file *file,  in snd_ctl_elem_add_user()  argument
1363 	err = snd_ctl_elem_add(file, &info, replace);  in snd_ctl_elem_add_user()
1367 		snd_ctl_remove_user_ctl(file, &info.id);  in snd_ctl_elem_add_user()
1374 static int snd_ctl_elem_remove(struct snd_ctl_file *file,  in snd_ctl_elem_remove()  argument
1381 	return snd_ctl_remove_user_ctl(file, &id);  in snd_ctl_elem_remove()
1384 static int snd_ctl_subscribe_events(struct snd_ctl_file *file, int __user *ptr)  in snd_ctl_subscribe_events()  argument
1390 		subscribe = file->subscribed;  in snd_ctl_subscribe_events()
1396 		file->subscribed = 1;  in snd_ctl_subscribe_events()
1398 	} else if (file->subscribed) {  in snd_ctl_subscribe_events()
1399 		snd_ctl_empty_read_queue(file);  in snd_ctl_subscribe_events()
1400 		file->subscribed = 0;  in snd_ctl_subscribe_events()
1405 static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file,  in snd_ctl_tlv_ioctl()  argument
1409 	struct snd_card *card = file->card;  in snd_ctl_tlv_ioctl()
1443 		if (vd->owner != NULL && vd->owner != file) {  in snd_ctl_tlv_ioctl()
1472 static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)  in snd_ctl_ioctl()  argument
1481 	ctl = file->private_data;  in snd_ctl_ioctl()
1538 static ssize_t snd_ctl_read(struct file *file, char __user *buffer,  in snd_ctl_read()  argument
1545 	ctl = file->private_data;  in snd_ctl_read()
1558 			if ((file->f_flags & O_NONBLOCK) != 0 || result > 0) {  in snd_ctl_read()
1596 static unsigned int snd_ctl_poll(struct file *file, poll_table * wait)  in snd_ctl_poll()  argument
1601 	ctl = file->private_data;  in snd_ctl_poll()
1604 	poll_wait(file, &ctl->change_sleep, wait);  in snd_ctl_poll()
1703 static int snd_ctl_fasync(int fd, struct file * file, int on)  in snd_ctl_fasync()  argument
1707 	ctl = file->private_data;  in snd_ctl_fasync()
1708 	return fasync_helper(fd, file, on, &ctl->fasync);  in snd_ctl_fasync()