42 static int snd_ctl_open(struct inode *inode, struct file *file)  in snd_ctl_open()  argument
49 	err = stream_open(inode, file);  in snd_ctl_open()
58 	err = snd_card_file_add(card, file);  in snd_ctl_open()
79 	file->private_data = ctl;  in snd_ctl_open()
89 	snd_card_file_remove(card, file);  in snd_ctl_open()
110 static int snd_ctl_release(struct inode *inode, struct file *file)  in snd_ctl_release()  argument
118 	ctl = file->private_data;  in snd_ctl_release()
119 	file->private_data = NULL;  in snd_ctl_release()
135 	snd_card_file_remove(card, file);  in snd_ctl_release()
231 		       unsigned int access, struct snd_ctl_file *file)  in snd_ctl_new()  argument
244 		(*kctl)->vd[idx].owner = file;  in snd_ctl_new()
646 static int snd_ctl_remove_user_ctl(struct snd_ctl_file * file,  in snd_ctl_remove_user_ctl()  argument
649 	struct snd_card *card = file->card;  in snd_ctl_remove_user_ctl()
664 		if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file) {  in snd_ctl_remove_user_ctl()
1250 static int snd_ctl_elem_write(struct snd_card *card, struct snd_ctl_file *file,  in snd_ctl_elem_write()  argument
1268 	    (file && vd->owner && vd->owner != file)) {  in snd_ctl_elem_write()
1294 static int snd_ctl_elem_write_user(struct snd_ctl_file *file,  in snd_ctl_elem_write_user()  argument
1305 	card = file->card;  in snd_ctl_elem_write_user()
1306 	result = snd_ctl_elem_write(card, file, control);  in snd_ctl_elem_write_user()
1317 static int snd_ctl_elem_lock(struct snd_ctl_file *file,  in snd_ctl_elem_lock()  argument
1320 	struct snd_card *card = file->card;  in snd_ctl_elem_lock()
1337 			vd->owner = file;  in snd_ctl_elem_lock()
1345 static int snd_ctl_elem_unlock(struct snd_ctl_file *file,  in snd_ctl_elem_unlock()  argument
1348 	struct snd_card *card = file->card;  in snd_ctl_elem_unlock()
1364 		else if (vd->owner != file)  in snd_ctl_elem_unlock()
1592 static int snd_ctl_elem_add(struct snd_ctl_file *file,  in snd_ctl_elem_add()  argument
1595 	struct snd_card *card = file->card;  in snd_ctl_elem_add()
1613 		err = snd_ctl_remove_user_ctl(file, &info->id);  in snd_ctl_elem_add()
1662 	err = snd_ctl_new(&kctl, count, access, file);  in snd_ctl_elem_add()
1724 static int snd_ctl_elem_add_user(struct snd_ctl_file *file,  in snd_ctl_elem_add_user()  argument
1732 	err = snd_ctl_elem_add(file, &info, replace);  in snd_ctl_elem_add_user()
1736 		snd_ctl_remove_user_ctl(file, &info.id);  in snd_ctl_elem_add_user()
1743 static int snd_ctl_elem_remove(struct snd_ctl_file *file,  in snd_ctl_elem_remove()  argument
1750 	return snd_ctl_remove_user_ctl(file, &id);  in snd_ctl_elem_remove()
1753 static int snd_ctl_subscribe_events(struct snd_ctl_file *file, int __user *ptr)  in snd_ctl_subscribe_events()  argument
1759 		subscribe = file->subscribed;  in snd_ctl_subscribe_events()
1765 		file->subscribed = 1;  in snd_ctl_subscribe_events()
1767 	} else if (file->subscribed) {  in snd_ctl_subscribe_events()
1768 		snd_ctl_empty_read_queue(file);  in snd_ctl_subscribe_events()
1769 		file->subscribed = 0;  in snd_ctl_subscribe_events()
1774 static int call_tlv_handler(struct snd_ctl_file *file, int op_flag,  in call_tlv_handler()  argument
1803 	    vd->owner != NULL && vd->owner != file)  in call_tlv_handler()
1806 	ret = snd_power_ref_and_wait(file->card);  in call_tlv_handler()
1809 	snd_power_unref(file->card);  in call_tlv_handler()
1835 static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file,  in snd_ctl_tlv_ioctl()  argument
1859 	kctl = snd_ctl_find_numid(file->card, header.numid);  in snd_ctl_tlv_ioctl()
1869 		return call_tlv_handler(file, op_flag, kctl, &id, container,  in snd_ctl_tlv_ioctl()
1882 static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)  in snd_ctl_ioctl()  argument
1891 	ctl = file->private_data;  in snd_ctl_ioctl()
1953 static ssize_t snd_ctl_read(struct file *file, char __user *buffer,  in snd_ctl_read()  argument
1960 	ctl = file->private_data;  in snd_ctl_read()
1973 			if ((file->f_flags & O_NONBLOCK) != 0 || result > 0) {  in snd_ctl_read()
2011 static __poll_t snd_ctl_poll(struct file *file, poll_table * wait)  in snd_ctl_poll()  argument
2016 	ctl = file->private_data;  in snd_ctl_poll()
2019 	poll_wait(file, &ctl->change_sleep, wait);  in snd_ctl_poll()
2118 static int snd_ctl_fasync(int fd, struct file * file, int on)  in snd_ctl_fasync()  argument
2122 	ctl = file->private_data;  in snd_ctl_fasync()
2123 	return snd_fasync_helper(fd, file, on, &ctl->fasync);  in snd_ctl_fasync()