658 static int viacam_open(struct file *filp)  in viacam_open()  argument
660 	struct via_camera *cam = video_drvdata(filp);  in viacam_open()
662 	filp->private_data = cam;  in viacam_open()
690 static int viacam_release(struct file *filp)  in viacam_release()  argument
692 	struct via_camera *cam = video_drvdata(filp);  in viacam_release()
700 	if (filp == cam->owner) {  in viacam_release()
727 static ssize_t viacam_read(struct file *filp, char __user *buffer,  in viacam_read()  argument
730 	struct via_camera *cam = video_drvdata(filp);  in viacam_read()
737 	if (cam->owner && cam->owner != filp) {  in viacam_read()
741 	cam->owner = filp;  in viacam_read()
760 			filp->f_flags & O_NONBLOCK);  in viacam_read()
770 static unsigned int viacam_poll(struct file *filp, struct poll_table_struct *pt)  in viacam_poll()  argument
772 	struct via_camera *cam = video_drvdata(filp);  in viacam_poll()
774 	return videobuf_poll_stream(filp, &cam->vb_queue, pt);  in viacam_poll()
778 static int viacam_mmap(struct file *filp, struct vm_area_struct *vma)  in viacam_mmap()  argument
780 	struct via_camera *cam = video_drvdata(filp);  in viacam_mmap()
805 static int viacam_enum_input(struct file *filp, void *priv,  in viacam_enum_input()  argument
817 static int viacam_g_input(struct file *filp, void *priv, unsigned int *i)  in viacam_g_input()  argument
823 static int viacam_s_input(struct file *filp, void *priv, unsigned int i)  in viacam_s_input()  argument
830 static int viacam_s_std(struct file *filp, void *priv, v4l2_std_id std)  in viacam_s_std()  argument
835 static int viacam_g_std(struct file *filp, void *priv, v4l2_std_id *std)  in viacam_g_std()  argument
856 static int viacam_enum_fmt_vid_cap(struct file *filp, void *priv,  in viacam_enum_fmt_vid_cap()  argument
925 static int viacam_try_fmt_vid_cap(struct file *filp, void *priv,  in viacam_try_fmt_vid_cap()  argument
939 static int viacam_g_fmt_vid_cap(struct file *filp, void *priv,  in viacam_g_fmt_vid_cap()  argument
950 static int viacam_s_fmt_vid_cap(struct file *filp, void *priv,  in viacam_s_fmt_vid_cap()  argument
988 static int viacam_querycap(struct file *filp, void *priv,  in viacam_querycap()  argument
1002 static int viacam_reqbufs(struct file *filp, void *priv,  in viacam_reqbufs()  argument
1010 static int viacam_querybuf(struct file *filp, void *priv,  in viacam_querybuf()  argument
1018 static int viacam_qbuf(struct file *filp, void *priv, struct v4l2_buffer *buf)  in viacam_qbuf()  argument
1025 static int viacam_dqbuf(struct file *filp, void *priv, struct v4l2_buffer *buf)  in viacam_dqbuf()  argument
1029 	return videobuf_dqbuf(&cam->vb_queue, buf, filp->f_flags & O_NONBLOCK);  in viacam_dqbuf()
1032 static int viacam_streamon(struct file *filp, void *priv, enum v4l2_buf_type t)  in viacam_streamon()  argument
1048 	if (cam->owner && cam->owner != filp) {  in viacam_streamon()
1052 	cam->owner = filp;  in viacam_streamon()
1083 static int viacam_streamoff(struct file *filp, void *priv, enum v4l2_buf_type t)  in viacam_streamoff()  argument
1111 static int viacam_g_parm(struct file *filp, void *priv,  in viacam_g_parm()  argument
1124 static int viacam_s_parm(struct file *filp, void *priv,  in viacam_s_parm()  argument
1137 static int viacam_enum_framesizes(struct file *filp, void *priv,  in viacam_enum_framesizes()  argument
1151 static int viacam_enum_frameintervals(struct file *filp, void *priv,  in viacam_enum_frameintervals()  argument