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()
517 static int snd_ctl_remove_user_ctl(struct snd_ctl_file * file,  in snd_ctl_remove_user_ctl()  argument
520 	struct snd_card *card = file->card;  in snd_ctl_remove_user_ctl()
535 		if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file) {  in snd_ctl_remove_user_ctl()
889 static int snd_ctl_elem_write(struct snd_card *card, struct snd_ctl_file *file,  in snd_ctl_elem_write()  argument
906 		    (file && vd->owner && vd->owner != file)) {  in snd_ctl_elem_write()
923 static int snd_ctl_elem_write_user(struct snd_ctl_file *file,  in snd_ctl_elem_write_user()  argument
934 	card = file->card;  in snd_ctl_elem_write_user()
938 		result = snd_ctl_elem_write(card, file, control);  in snd_ctl_elem_write_user()
947 static int snd_ctl_elem_lock(struct snd_ctl_file *file,  in snd_ctl_elem_lock()  argument
950 	struct snd_card *card = file->card;  in snd_ctl_elem_lock()
967 			vd->owner = file;  in snd_ctl_elem_lock()
975 static int snd_ctl_elem_unlock(struct snd_ctl_file *file,  in snd_ctl_elem_unlock()  argument
978 	struct snd_card *card = file->card;  in snd_ctl_elem_unlock()
994 		else if (vd->owner != file)  in snd_ctl_elem_unlock()
1160 static int snd_ctl_elem_add(struct snd_ctl_file *file,  in snd_ctl_elem_add()  argument
1163 	struct snd_card *card = file->card;  in snd_ctl_elem_add()
1184 		err = snd_ctl_remove_user_ctl(file, &info->id);  in snd_ctl_elem_add()
1262 		_kctl->vd[idx].owner = file;  in snd_ctl_elem_add()
1274 static int snd_ctl_elem_add_user(struct snd_ctl_file *file,  in snd_ctl_elem_add_user()  argument
1280 	return snd_ctl_elem_add(file, &info, replace);  in snd_ctl_elem_add_user()
1283 static int snd_ctl_elem_remove(struct snd_ctl_file *file,  in snd_ctl_elem_remove()  argument
1290 	return snd_ctl_remove_user_ctl(file, &id);  in snd_ctl_elem_remove()
1293 static int snd_ctl_subscribe_events(struct snd_ctl_file *file, int __user *ptr)  in snd_ctl_subscribe_events()  argument
1299 		subscribe = file->subscribed;  in snd_ctl_subscribe_events()
1305 		file->subscribed = 1;  in snd_ctl_subscribe_events()
1307 	} else if (file->subscribed) {  in snd_ctl_subscribe_events()
1308 		snd_ctl_empty_read_queue(file);  in snd_ctl_subscribe_events()
1309 		file->subscribed = 0;  in snd_ctl_subscribe_events()
1314 static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file,  in snd_ctl_tlv_ioctl()  argument
1318 	struct snd_card *card = file->card;  in snd_ctl_tlv_ioctl()
1347 		if (vd->owner != NULL && vd->owner != file) {  in snd_ctl_tlv_ioctl()
1376 static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)  in snd_ctl_ioctl()  argument
1385 	ctl = file->private_data;  in snd_ctl_ioctl()
1442 static ssize_t snd_ctl_read(struct file *file, char __user *buffer,  in snd_ctl_read()  argument
1449 	ctl = file->private_data;  in snd_ctl_read()
1462 			if ((file->f_flags & O_NONBLOCK) != 0 || result > 0) {  in snd_ctl_read()
1500 static unsigned int snd_ctl_poll(struct file *file, poll_table * wait)  in snd_ctl_poll()  argument
1505 	ctl = file->private_data;  in snd_ctl_poll()
1508 	poll_wait(file, &ctl->change_sleep, wait);  in snd_ctl_poll()
1591 static int snd_ctl_fasync(int fd, struct file * file, int on)  in snd_ctl_fasync()  argument
1595 	ctl = file->private_data;  in snd_ctl_fasync()
1596 	return fasync_helper(fd, file, on, &ctl->fasync);  in snd_ctl_fasync()