unsigned int cmd, unsigned long arg);
static int usbvideo_v4l_mmap(struct file *file, struct vm_area_struct *vma);
static int usbvideo_v4l_open(struct inode *inode, struct file *file);
unsigned int cmd, unsigned long arg);
static int usbvideo_v4l_mmap(struct file *file, struct vm_area_struct *vma);
static int usbvideo_v4l_open(struct inode *inode, struct file *file);
size_t count, loff_t *ppos);
static int usbvideo_v4l_close(struct inode *inode, struct file *file);
size_t count, loff_t *ppos);
static int usbvideo_v4l_close(struct inode *inode, struct file *file);
size_t count, loff_t *ppos)
{
struct uvd *uvd = file->private_data;
size_t count, loff_t *ppos)
{
struct uvd *uvd = file->private_data;