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V4L/DVB (9503): v4l: remove inode argument from video_usercopy

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The inode argument was never used. Removing it from video_usercopy
brings the function pointer type of video_usercopy in line with similar
v4l2 functions, thus simplifying several drivers.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2008-11-01 08:25:11 -03:00 committed by Mauro Carvalho Chehab
parent bef216b7ed
commit f473bf76c7
26 changed files with 57 additions and 102 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/media/common/saa7146_fops.c
View File

@ -313,7 +313,7 @@ static int fops_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
/*
DEB_EE(("inode:%p, file:%p, cmd:%d, arg:%li\n",inode, file, cmd, arg));
*/
return video_usercopy(inode, file, cmd, arg, saa7146_video_do_ioctl);
return video_usercopy(file, cmd, arg, saa7146_video_do_ioctl);
}
static int fops_mmap(struct file *file, struct vm_area_struct * vma)

10
drivers/media/common/saa7146_video.c
View File

@ -834,7 +834,7 @@ static int video_end(struct saa7146_fh *fh, struct file *file)
* copying is done already, arg is a kernel pointer.
*/
static int __saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg)
int saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct saa7146_fh *fh = file->private_data;
struct saa7146_dev *dev = fh->dev;
@ -1216,17 +1216,11 @@ static int __saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *a
#endif
default:
return v4l_compat_translate_ioctl(file, cmd, arg,
__saa7146_video_do_ioctl);
saa7146_video_do_ioctl);
}
return 0;
}
int saa7146_video_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
{
return __saa7146_video_do_ioctl(file, cmd, arg);
}
/*********************************************************************************/
/* buffer handling functions */

5
drivers/media/video/arv.c
View File

@ -396,8 +396,7 @@ out_up:
return ret;
}
static int ar_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
static int ar_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct video_device *dev = video_devdata(file);
struct ar_device *ar = video_get_drvdata(dev);
@ -543,7 +542,7 @@ static int ar_do_ioctl(struct inode *inode, struct file *file,
static int ar_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
unsigned long arg)
{
return video_usercopy(inode, file, cmd, arg, ar_do_ioctl);
return video_usercopy(file, cmd, arg, ar_do_ioctl);
}
#if USE_INT

5
drivers/media/video/bw-qcam.c
View File

@ -706,8 +706,7 @@ static long qc_capture(struct qcam_device * q, char __user *buf, unsigned long l
* Video4linux interfacing
*/
static int qcam_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
static int qcam_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct video_device *dev = video_devdata(file);
struct qcam_device *qcam=(struct qcam_device *)dev;
@ -867,7 +866,7 @@ static int qcam_do_ioctl(struct inode *inode, struct file *file,
static int qcam_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
return video_usercopy(inode, file, cmd, arg, qcam_do_ioctl);
return video_usercopy(file, cmd, arg, qcam_do_ioctl);
}
static ssize_t qcam_read(struct file *file, char __user *buf,

7
drivers/media/video/c-qcam.c
View File

@ -500,8 +500,7 @@ static long qc_capture(struct qcam_device *q, char __user *buf, unsigned long le
* Video4linux interfacing
*/
static int qcam_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
static int qcam_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct video_device *dev = video_devdata(file);
struct qcam_device *qcam=(struct qcam_device *)dev;
@ -667,9 +666,9 @@ static int qcam_do_ioctl(struct inode *inode, struct file *file,
}
static int qcam_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
unsigned int cmd, unsigned long arg)
{
return video_usercopy(inode, file, cmd, arg, qcam_do_ioctl);
return video_usercopy(file, cmd, arg, qcam_do_ioctl);
}
static ssize_t qcam_read(struct file *file, char __user *buf,

9
drivers/media/video/cpia.c
View File

@ -3333,8 +3333,7 @@ static ssize_t cpia_read(struct file *file, char __user *buf,
return cam->decompressed_frame.count;
}
static int cpia_do_ioctl(struct inode *inode, struct file *file,
unsigned int ioctlnr, void *arg)
static int cpia_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct video_device *dev = file->private_data;
struct cam_data *cam = video_get_drvdata(dev);
@ -3347,9 +3346,9 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
if (mutex_lock_interruptible(&cam->busy_lock))
return -EINTR;
//DBG("cpia_ioctl: %u\n", ioctlnr);
/* DBG("cpia_ioctl: %u\n", cmd); */
switch (ioctlnr) {
switch (cmd) {
/* query capabilities */
case VIDIOCGCAP:
{
@ -3724,7 +3723,7 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
static int cpia_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
return video_usercopy(inode, file, cmd, arg, cpia_do_ioctl);
return video_usercopy(file, cmd, arg, cpia_do_ioctl);
}

13
drivers/media/video/cpia2/cpia2_v4l.c
View File

@ -1572,8 +1572,7 @@ static int ioctl_dqbuf(void *arg,struct camera_data *cam, struct file *file)
* cpia2_ioctl
*
*****************************************************************************/
static int cpia2_do_ioctl(struct inode *inode, struct file *file,
unsigned int ioctl_nr, void *arg)
static int cpia2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct camera_data *cam = video_drvdata(file);
int retval = 0;
@ -1591,7 +1590,7 @@ static int cpia2_do_ioctl(struct inode *inode, struct file *file,
}
/* Priority check */
switch (ioctl_nr) {
switch (cmd) {
case VIDIOCSWIN:
case VIDIOCMCAPTURE:
case VIDIOC_S_FMT:
@ -1618,7 +1617,7 @@ static int cpia2_do_ioctl(struct inode *inode, struct file *file,
break;
}
switch (ioctl_nr) {
switch (cmd) {
case VIDIOCGCAP: /* query capabilities */
retval = ioctl_cap_query(arg, cam);
break;
@ -1683,7 +1682,7 @@ static int cpia2_do_ioctl(struct inode *inode, struct file *file,
case VIDIOC_ENUMINPUT:
case VIDIOC_G_INPUT:
case VIDIOC_S_INPUT:
retval = ioctl_input(ioctl_nr, arg,cam);
retval = ioctl_input(cmd, arg, cam);
break;
case VIDIOC_ENUM_FMT:
@ -1843,9 +1842,9 @@ static int cpia2_do_ioctl(struct inode *inode, struct file *file,
}
static int cpia2_ioctl(struct inode *inode, struct file *file,
unsigned int ioctl_nr, unsigned long iarg)
unsigned int cmd, unsigned long arg)
{
return video_usercopy(inode, file, ioctl_nr, iarg, cpia2_do_ioctl);
return video_usercopy(file, cmd, arg, cpia2_do_ioctl);
}
/******************************************************************************

5
drivers/media/video/ov511.c
View File

@ -4011,8 +4011,7 @@ ov51x_v4l1_close(struct inode *inode, struct file *file)
/* Do not call this function directly! */
static int
ov51x_v4l1_ioctl_internal(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
ov51x_v4l1_ioctl_internal(struct file *file, unsigned int cmd, void *arg)
{
struct video_device *vdev = file->private_data;
struct usb_ov511 *ov = video_get_drvdata(vdev);
@ -4461,7 +4460,7 @@ ov51x_v4l1_ioctl(struct inode *inode, struct file *file,
if (mutex_lock_interruptible(&ov->lock))
return -EINTR;
rc = video_usercopy(inode, file, cmd, arg, ov51x_v4l1_ioctl_internal);
rc = video_usercopy(file, cmd, arg, ov51x_v4l1_ioctl_internal);
mutex_unlock(&ov->lock);
return rc;

5
drivers/media/video/pms.c
View File

@ -680,8 +680,7 @@ static int pms_capture(struct pms_device *dev, char __user *buf, int rgb555, int
* Video4linux interfacing
*/
static int pms_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
static int pms_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct video_device *dev = video_devdata(file);
struct pms_device *pd=(struct pms_device *)dev;
@ -866,7 +865,7 @@ static int pms_do_ioctl(struct inode *inode, struct file *file,
static int pms_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
return video_usercopy(inode, file, cmd, arg, pms_do_ioctl);
return video_usercopy(file, cmd, arg, pms_do_ioctl);
}
static ssize_t pms_read(struct file *file, char __user *buf,

13
drivers/media/video/pvrusb2/pvrusb2-v4l2.c
View File

@ -168,8 +168,7 @@ static const char *get_v4l_name(int v4l_type)
* This is part of Video 4 Linux API. The procedure handles ioctl() calls.
*
*/
static int __pvr2_v4l2_do_ioctl(struct file *file,
unsigned int cmd, void *arg)
static int pvr2_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct pvr2_v4l2_fh *fh = file->private_data;
struct pvr2_v4l2 *vp = fh->vhead;
@ -864,7 +863,7 @@ static int __pvr2_v4l2_do_ioctl(struct file *file,
default :
ret = v4l_compat_translate_ioctl(file, cmd,
arg, __pvr2_v4l2_do_ioctl);
arg, pvr2_v4l2_do_ioctl);
}
pvr2_hdw_commit_ctl(hdw);
@ -890,12 +889,6 @@ static int __pvr2_v4l2_do_ioctl(struct file *file,
return ret;
}
static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
{
return __pvr2_v4l2_do_ioctl(file, cmd, arg);
}
static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)
{
int num = dip->devbase.num;
@ -963,7 +956,7 @@ static int pvr2_v4l2_ioctl(struct inode *inode, struct file *file,
#define IVTV_IOC_G_CODEC 0xFFEE7703
#define IVTV_IOC_S_CODEC 0xFFEE7704
if (cmd == IVTV_IOC_G_CODEC || cmd == IVTV_IOC_S_CODEC) return 0;
return video_usercopy(inode, file, cmd, arg, pvr2_v4l2_do_ioctl);
return video_usercopy(file, cmd, arg, pvr2_v4l2_do_ioctl);
}

2
drivers/media/video/pwc/pwc-if.c
View File

@ -1412,7 +1412,7 @@ static int pwc_video_ioctl(struct inode *inode, struct file *file,
mutex_lock(&pdev->modlock);
if (!pdev->unplugged)
r = video_usercopy(inode, file, cmd, arg, pwc_video_do_ioctl);
r = video_usercopy(file, cmd, arg, pwc_video_do_ioctl);
mutex_unlock(&pdev->modlock);
out:
return r;

3
drivers/media/video/pwc/pwc-v4l.c
View File

@ -337,8 +337,7 @@ static int pwc_vidioc_set_fmt(struct pwc_device *pdev, struct v4l2_format *f)
}
int pwc_video_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
int pwc_video_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct video_device *vdev = video_devdata(file);
struct pwc_device *pdev;

3
drivers/media/video/pwc/pwc.h
View File

@ -340,8 +340,7 @@ extern int pwc_camera_power(struct pwc_device *pdev, int power);
extern int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg);
/** Functions in pwc-v4l.c */
extern int pwc_video_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg);
extern int pwc_video_do_ioctl(struct file *file, unsigned int cmd, void *arg);
/** pwc-uncompress.c */
/* Expand frame to image, possibly including decompression. Uses read_frame and fill_image */

5
drivers/media/video/saa5246a.c
View File

@ -804,8 +804,7 @@ static inline int saa5246a_stop_dau(struct saa5246a_device *t,
*
* Returns 0 if successful
*/
static int do_saa5246a_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
static int do_saa5246a_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct saa5246a_device *t = video_drvdata(file);
@ -953,7 +952,7 @@ static int saa5246a_ioctl(struct inode *inode, struct file *file,
cmd = vtx_fix_command(cmd);
mutex_lock(&t->lock);
err = video_usercopy(inode, file, cmd, arg, do_saa5246a_ioctl);
err = video_usercopy(file, cmd, arg, do_saa5246a_ioctl);
mutex_unlock(&t->lock);
return err;
}

5
drivers/media/video/saa5249.c
View File

@ -190,8 +190,7 @@ static int i2c_getdata(struct saa5249_device *t, int count, u8 *buf)
* Standard character-device-driver functions
*/
static int do_saa5249_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
static int do_saa5249_ioctl(struct file *file, unsigned int cmd, void *arg)
{
static int virtual_mode = false;
struct saa5249_device *t = video_drvdata(file);
@ -488,7 +487,7 @@ static int saa5249_ioctl(struct inode *inode, struct file *file,
cmd = vtx_fix_command(cmd);
mutex_lock(&t->lock);
err = video_usercopy(inode,file,cmd,arg,do_saa5249_ioctl);
err = video_usercopy(file, cmd, arg, do_saa5249_ioctl);
mutex_unlock(&t->lock);
return err;
}

5
drivers/media/video/se401.c
View File

@ -975,8 +975,7 @@ static int se401_close(struct inode *inode, struct file *file)
return 0;
}
static int se401_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
static int se401_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct video_device *vdev = file->private_data;
struct usb_se401 *se401 = (struct usb_se401 *)vdev;
@ -1142,7 +1141,7 @@ static int se401_do_ioctl(struct inode *inode, struct file *file,
static int se401_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
return video_usercopy(inode, file, cmd, arg, se401_do_ioctl);
return video_usercopy(file, cmd, arg, se401_do_ioctl);
}
static ssize_t se401_read(struct file *file, char __user *buf,

5
drivers/media/video/stv680.c
View File

@ -1132,8 +1132,7 @@ static int stv_close (struct inode *inode, struct file *file)
return 0;
}
static int stv680_do_ioctl (struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
static int stv680_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct video_device *vdev = file->private_data;
struct usb_stv *stv680 = video_get_drvdata(vdev);
@ -1303,7 +1302,7 @@ static int stv680_do_ioctl (struct inode *inode, struct file *file,
static int stv680_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
return video_usercopy(inode, file, cmd, arg, stv680_do_ioctl);
return video_usercopy(file, cmd, arg, stv680_do_ioctl);
}
static int stv680_mmap (struct file *file, struct vm_area_struct *vma)

5
drivers/media/video/usbvideo/usbvideo.c
View File

@ -1281,8 +1281,7 @@ static int usbvideo_v4l_close(struct inode *inode, struct file *file)
* History:
* 22-Jan-2000 Corrected VIDIOCSPICT to reject unsupported settings.
*/
static int usbvideo_v4l_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
static int usbvideo_v4l_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct uvd *uvd = file->private_data;
@ -1505,7 +1504,7 @@ static int usbvideo_v4l_do_ioctl(struct inode *inode, struct file *file,
static int usbvideo_v4l_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
return video_usercopy(inode, file, cmd, arg, usbvideo_v4l_do_ioctl);
return video_usercopy(file, cmd, arg, usbvideo_v4l_do_ioctl);
}
/*

4
drivers/media/video/usbvision/usbvision-video.c
View File

@ -1278,7 +1278,7 @@ static int usbvision_vbi_close(struct inode *inode, struct file *file)
return -ENODEV;
}
static int usbvision_do_vbi_ioctl(struct inode *inode, struct file *file,
static int usbvision_do_vbi_ioctl(struct file *file,
unsigned int cmd, void *arg)
{
/* TODO */
@ -1288,7 +1288,7 @@ static int usbvision_do_vbi_ioctl(struct inode *inode, struct file *file,
static int usbvision_vbi_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
return video_usercopy(inode, file, cmd, arg, usbvision_do_vbi_ioctl);
return video_usercopy(file, cmd, arg, usbvision_do_vbi_ioctl);
}

13
drivers/media/video/uvc/uvc_v4l2.c
View File

@ -464,8 +464,7 @@ static int uvc_v4l2_release(struct inode *inode, struct file *file)
return 0;
}
static int __uvc_v4l2_do_ioctl(struct file *file,
unsigned int cmd, void *arg)
static int uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct video_device *vdev = video_devdata(file);
struct uvc_video_device *video = video_get_drvdata(vdev);
@ -979,7 +978,7 @@ static int __uvc_v4l2_do_ioctl(struct file *file,
default:
if ((ret = v4l_compat_translate_ioctl(file, cmd, arg,
__uvc_v4l2_do_ioctl)) == -ENOIOCTLCMD)
uvc_v4l2_do_ioctl)) == -ENOIOCTLCMD)
uvc_trace(UVC_TRACE_IOCTL, "Unknown ioctl 0x%08x\n",
cmd);
return ret;
@ -988,17 +987,11 @@ static int __uvc_v4l2_do_ioctl(struct file *file,
return ret;
}
static int uvc_v4l2_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
{
return __uvc_v4l2_do_ioctl(file, cmd, arg);
}
static int uvc_v4l2_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_ioctl\n");
return video_usercopy(inode, file, cmd, arg, uvc_v4l2_do_ioctl);
return video_usercopy(file, cmd, arg, uvc_v4l2_do_ioctl);
}
static ssize_t uvc_v4l2_read(struct file *file, char __user *data,

8
drivers/media/video/v4l2-ioctl.c
View File

@ -393,10 +393,8 @@ video_fix_command(unsigned int cmd)
* Obsolete usercopy function - Should be removed soon
*/
int
video_usercopy(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg,
int (*func)(struct inode *inode, struct file *file,
unsigned int cmd, void *arg))
video_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
v4l2_kioctl func)
{
char sbuf[128];
void *mbuf = NULL;
@ -458,7 +456,7 @@ video_usercopy(struct inode *inode, struct file *file,
}
/* call driver */
err = func(inode, file, cmd, parg);
err = func(file, cmd, parg);
if (err == -ENOIOCTLCMD)
err = -EINVAL;
if (is_ext_ctrl) {

5
drivers/media/video/vino.c
View File

@ -4237,8 +4237,7 @@ error:
return ret;
}
static int vino_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
static int vino_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct vino_channel_settings *vcs = video_drvdata(file);
@ -4353,7 +4352,7 @@ static int vino_ioctl(struct inode *inode, struct file *file,
if (mutex_lock_interruptible(&vcs->mutex))
return -EINTR;
ret = video_usercopy(inode, file, cmd, arg, vino_do_ioctl);
ret = video_usercopy(file, cmd, arg, vino_do_ioctl);
mutex_unlock(&vcs->mutex);

5
drivers/media/video/w9966.c
View File

@ -727,8 +727,7 @@ static int w9966_wReg_i2c(struct w9966_dev* cam, int reg, int data)
* Video4linux interfacing
*/
static int w9966_v4l_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
static int w9966_v4l_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct w9966_dev *cam = video_drvdata(file);
@ -881,7 +880,7 @@ static int w9966_v4l_do_ioctl(struct inode *inode, struct file *file,
static int w9966_v4l_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
return video_usercopy(inode, file, cmd, arg, w9966_v4l_do_ioctl);
return video_usercopy(file, cmd, arg, w9966_v4l_do_ioctl);
}
// Capture data

8
drivers/media/video/zoran/zoran_driver.c
View File

@ -1940,11 +1940,7 @@ zoran_set_input (struct zoran *zr,
* ioctl routine
*/
static int
zoran_do_ioctl (struct inode *inode,
struct file *file,
unsigned int cmd,
void *arg)
static int zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct zoran_fh *fh = file->private_data;
struct zoran *zr = fh->zr;
@ -4201,7 +4197,7 @@ zoran_ioctl (struct inode *inode,
unsigned int cmd,
unsigned long arg)
{
return video_usercopy(inode, file, cmd, arg, zoran_do_ioctl);
return video_usercopy(file, cmd, arg, zoran_do_ioctl);
}
static unsigned int

3
include/media/saa7146_vv.h
View File

@ -216,8 +216,7 @@ void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data);
extern struct saa7146_use_ops saa7146_video_uops;
int saa7146_start_preview(struct saa7146_fh *fh);
int saa7146_stop_preview(struct saa7146_fh *fh);
int saa7146_video_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg);
int saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg);
/* from saa7146_vbi.c */
extern struct saa7146_use_ops saa7146_vbi_uops;

6
include/media/v4l2-ioctl.h
View File

@ -285,10 +285,8 @@ extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
unsigned long arg);
/* Include support for obsoleted stuff */
extern int video_usercopy(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg,
int (*func)(struct inode *inode, struct file *file,
unsigned int cmd, void *arg));
extern int video_usercopy(struct file *file, unsigned int cmd,
unsigned long arg, v4l2_kioctl func);
/* Standard handlers for V4L ioctl's */