67 static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream);
1720 			   struct file *file)  in snd_pcm_prepare()  argument
1724 	if (file)  in snd_pcm_prepare()
1725 		f_flags = file->f_flags;  in snd_pcm_prepare()
1821 			 struct file *file)  in snd_pcm_drain()  argument
1837 	if (file) {  in snd_pcm_drain()
1838 		if (file->f_flags & O_NONBLOCK)  in snd_pcm_drain()
1960 static bool is_pcm_file(struct file *file)  in is_pcm_file()  argument
1962 	struct inode *inode = file_inode(file);  in is_pcm_file()
1990 	if (!f.file)  in snd_pcm_link()
1992 	if (!is_pcm_file(f.file)) {  in snd_pcm_link()
1996 	pcm_file = f.file->private_data;  in snd_pcm_link()
2446 			   struct file *file,  in snd_pcm_open_substream()  argument
2452 	err = snd_pcm_attach_substream(pcm, stream, file, &substream);  in snd_pcm_open_substream()
2486 static int snd_pcm_open_file(struct file *file,  in snd_pcm_open_file()  argument
2494 	err = snd_pcm_open_substream(pcm, stream, file, &substream);  in snd_pcm_open_file()
2506 	file->private_data = pcm_file;  in snd_pcm_open_file()
2511 static int snd_pcm_playback_open(struct inode *inode, struct file *file)  in snd_pcm_playback_open()  argument
2514 	int err = nonseekable_open(inode, file);  in snd_pcm_playback_open()
2519 	err = snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK);  in snd_pcm_playback_open()
2525 static int snd_pcm_capture_open(struct inode *inode, struct file *file)  in snd_pcm_capture_open()  argument
2528 	int err = nonseekable_open(inode, file);  in snd_pcm_capture_open()
2533 	err = snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE);  in snd_pcm_capture_open()
2539 static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream)  in snd_pcm_open()  argument
2548 	err = snd_card_file_add(pcm->card, file);  in snd_pcm_open()
2559 		err = snd_pcm_open_file(file, pcm, stream);  in snd_pcm_open()
2563 			if (file->f_flags & O_NONBLOCK) {  in snd_pcm_open()
2591       	snd_card_file_remove(pcm->card, file);  in snd_pcm_open()
2596 static int snd_pcm_release(struct inode *inode, struct file *file)  in snd_pcm_release()  argument
2602 	pcm_file = file->private_data;  in snd_pcm_release()
2613 	snd_card_file_remove(pcm->card, file);  in snd_pcm_release()
2886 static int snd_pcm_common_ioctl(struct file *file,  in snd_pcm_common_ioctl()  argument
2890 	struct snd_pcm_file *pcm_file = file->private_data;  in snd_pcm_common_ioctl()
2929 		return snd_pcm_prepare(substream, file);  in snd_pcm_common_ioctl()
2966 		return snd_pcm_drain(substream, file);  in snd_pcm_common_ioctl()
2988 static long snd_pcm_ioctl(struct file *file, unsigned int cmd,  in snd_pcm_ioctl()  argument
2993 	pcm_file = file->private_data;  in snd_pcm_ioctl()
2998 	return snd_pcm_common_ioctl(file, pcm_file->substream, cmd,  in snd_pcm_ioctl()
3047 static ssize_t snd_pcm_read(struct file *file, char __user *buf, size_t count,  in snd_pcm_read()  argument
3055 	pcm_file = file->private_data;  in snd_pcm_read()
3071 static ssize_t snd_pcm_write(struct file *file, const char __user *buf,  in snd_pcm_write()  argument
3079 	pcm_file = file->private_data;  in snd_pcm_write()
3166 static __poll_t snd_pcm_poll(struct file *file, poll_table *wait)  in snd_pcm_poll()  argument
3174 	pcm_file = file->private_data;  in snd_pcm_poll()
3185 	poll_wait(file, &runtime->sleep, wait);  in snd_pcm_poll()
3242 static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file *file,  in snd_pcm_mmap_status()  argument
3278 static int snd_pcm_mmap_control(struct snd_pcm_substream *substream, struct file *file,  in snd_pcm_mmap_control()  argument
3327 static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file *file,  in snd_pcm_mmap_status()  argument
3332 static int snd_pcm_mmap_control(struct snd_pcm_substream *substream, struct file *file,  in snd_pcm_mmap_control()  argument
3453 int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file,  in snd_pcm_mmap_data()  argument
3497 static int snd_pcm_mmap(struct file *file, struct vm_area_struct *area)  in snd_pcm_mmap()  argument
3503 	pcm_file = file->private_data;  in snd_pcm_mmap()
3513 		return snd_pcm_mmap_status(substream, file, area);  in snd_pcm_mmap()
3517 		return snd_pcm_mmap_control(substream, file, area);  in snd_pcm_mmap()
3519 		return snd_pcm_mmap_data(substream, file, area);  in snd_pcm_mmap()
3524 static int snd_pcm_fasync(int fd, struct file * file, int on)  in snd_pcm_fasync()  argument
3530 	pcm_file = file->private_data;  in snd_pcm_fasync()
3535 	return fasync_helper(fd, file, on, &runtime->fasync);  in snd_pcm_fasync()
3662 static unsigned long snd_pcm_get_unmapped_area(struct file *file,  in snd_pcm_get_unmapped_area()  argument
3668 	struct snd_pcm_file *pcm_file = file->private_data;  in snd_pcm_get_unmapped_area()