459 static ssize_t si470x_fops_read(struct file *file, char __user *buf,  in si470x_fops_read()  argument
462 	struct si470x_device *radio = video_drvdata(file);  in si470x_fops_read()
472 		if (file->f_flags & O_NONBLOCK) {  in si470x_fops_read()
515 static __poll_t si470x_fops_poll(struct file *file,  in si470x_fops_poll()  argument
518 	struct si470x_device *radio = video_drvdata(file);  in si470x_fops_poll()
520 	__poll_t retval = v4l2_ctrl_poll(file, pts);  in si470x_fops_poll()
527 		poll_wait(file, &radio->read_queue, pts);  in si470x_fops_poll()
537 static int si470x_fops_open(struct file *file)  in si470x_fops_open()  argument
539 	struct si470x_device *radio = video_drvdata(file);  in si470x_fops_open()
541 	return radio->fops_open(file);  in si470x_fops_open()
548 static int si470x_fops_release(struct file *file)  in si470x_fops_release()  argument
550 	struct si470x_device *radio = video_drvdata(file);  in si470x_fops_release()
552 	return radio->fops_release(file);  in si470x_fops_release()
600 static int si470x_vidioc_g_tuner(struct file *file, void *priv,  in si470x_vidioc_g_tuner()  argument
603 	struct si470x_device *radio = video_drvdata(file);  in si470x_vidioc_g_tuner()
660 static int si470x_vidioc_s_tuner(struct file *file, void *priv,  in si470x_vidioc_s_tuner()  argument
663 	struct si470x_device *radio = video_drvdata(file);  in si470x_vidioc_s_tuner()
686 static int si470x_vidioc_g_frequency(struct file *file, void *priv,  in si470x_vidioc_g_frequency()  argument
689 	struct si470x_device *radio = video_drvdata(file);  in si470x_vidioc_g_frequency()
702 static int si470x_vidioc_s_frequency(struct file *file, void *priv,  in si470x_vidioc_s_frequency()  argument
705 	struct si470x_device *radio = video_drvdata(file);  in si470x_vidioc_s_frequency()
725 static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv,  in si470x_vidioc_s_hw_freq_seek()  argument
728 	struct si470x_device *radio = video_drvdata(file);  in si470x_vidioc_s_hw_freq_seek()
733 	if (file->f_flags & O_NONBLOCK)  in si470x_vidioc_s_hw_freq_seek()
742 static int si470x_vidioc_enum_freq_bands(struct file *file, void *priv,  in si470x_vidioc_enum_freq_bands()  argument
758 static int si470x_vidioc_querycap(struct file *file, void *priv,  in si470x_vidioc_querycap()  argument
761 	struct si470x_device *radio = video_drvdata(file);  in si470x_vidioc_querycap()
763 	return radio->vidioc_querycap(file, priv, capability);  in si470x_vidioc_querycap()