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path: root/drivers/media/video/v4l2-ioctl.c
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Diffstat (limited to 'drivers/media/video/v4l2-ioctl.c')
-rw-r--r--drivers/media/video/v4l2-ioctl.c418
1 files changed, 214 insertions, 204 deletions
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index 56a4fdee9160..fdfe7739c96e 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -579,43 +579,46 @@ static inline int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv)
return 1;
}
-static int check_fmt(struct video_device *vfd, enum v4l2_buf_type type)
+static int check_fmt(const struct v4l2_ioctl_ops *ops, enum v4l2_buf_type type)
{
+ if (ops == NULL)
+ return -EINVAL;
+
switch (type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (vfd->vidioc_try_fmt_vid_cap)
+ if (ops->vidioc_try_fmt_vid_cap)
return 0;
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (vfd->vidioc_try_fmt_vid_overlay)
+ if (ops->vidioc_try_fmt_vid_overlay)
return 0;
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- if (vfd->vidioc_try_fmt_vid_out)
+ if (ops->vidioc_try_fmt_vid_out)
return 0;
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
- if (vfd->vidioc_try_fmt_vid_out_overlay)
+ if (ops->vidioc_try_fmt_vid_out_overlay)
return 0;
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (vfd->vidioc_try_fmt_vbi_cap)
+ if (ops->vidioc_try_fmt_vbi_cap)
return 0;
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
- if (vfd->vidioc_try_fmt_vbi_out)
+ if (ops->vidioc_try_fmt_vbi_out)
return 0;
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- if (vfd->vidioc_try_fmt_sliced_vbi_cap)
+ if (ops->vidioc_try_fmt_sliced_vbi_cap)
return 0;
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
- if (vfd->vidioc_try_fmt_sliced_vbi_out)
+ if (ops->vidioc_try_fmt_sliced_vbi_out)
return 0;
break;
case V4L2_BUF_TYPE_PRIVATE:
- if (vfd->vidioc_try_fmt_type_private)
+ if (ops->vidioc_try_fmt_type_private)
return 0;
break;
}
@@ -626,6 +629,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
{
struct video_device *vfd = video_devdata(file);
+ const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops;
void *fh = file->private_data;
int ret = -EINVAL;
@@ -635,6 +639,12 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
printk(KERN_CONT "\n");
}
+ if (ops == NULL) {
+ printk(KERN_WARNING "videodev: \"%s\" has no ioctl_ops.\n",
+ vfd->name);
+ return -EINVAL;
+ }
+
#ifdef CONFIG_VIDEO_V4L1_COMPAT
/***********************************************************
Handles calls to the obsoleted V4L1 API
@@ -648,9 +658,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
memset(p, 0, sizeof(*p));
- if (!vfd->vidiocgmbuf)
+ if (!ops->vidiocgmbuf)
return ret;
- ret = vfd->vidiocgmbuf(file, fh, p);
+ ret = ops->vidiocgmbuf(file, fh, p);
if (!ret)
dbgarg(cmd, "size=%d, frames=%d, offsets=0x%08lx\n",
p->size, p->frames,
@@ -676,10 +686,10 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_capability *cap = (struct v4l2_capability *)arg;
memset(cap, 0, sizeof(*cap));
- if (!vfd->vidioc_querycap)
+ if (!ops->vidioc_querycap)
break;
- ret = vfd->vidioc_querycap(file, fh, cap);
+ ret = ops->vidioc_querycap(file, fh, cap);
if (!ret)
dbgarg(cmd, "driver=%s, card=%s, bus=%s, "
"version=0x%08x, "
@@ -695,9 +705,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
enum v4l2_priority *p = arg;
- if (!vfd->vidioc_g_priority)
+ if (!ops->vidioc_g_priority)
break;
- ret = vfd->vidioc_g_priority(file, fh, p);
+ ret = ops->vidioc_g_priority(file, fh, p);
if (!ret)
dbgarg(cmd, "priority is %d\n", *p);
break;
@@ -706,10 +716,10 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
enum v4l2_priority *p = arg;
- if (!vfd->vidioc_s_priority)
+ if (!ops->vidioc_s_priority)
break;
dbgarg(cmd, "setting priority to %d\n", *p);
- ret = vfd->vidioc_s_priority(file, fh, *p);
+ ret = ops->vidioc_s_priority(file, fh, *p);
break;
}
@@ -728,12 +738,12 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
switch (type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (vfd->vidioc_enum_fmt_vid_cap)
- ret = vfd->vidioc_enum_fmt_vid_cap(file, fh, f);
+ if (ops->vidioc_enum_fmt_vid_cap)
+ ret = ops->vidioc_enum_fmt_vid_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (vfd->vidioc_enum_fmt_vid_overlay)
- ret = vfd->vidioc_enum_fmt_vid_overlay(file,
+ if (ops->vidioc_enum_fmt_vid_overlay)
+ ret = ops->vidioc_enum_fmt_vid_overlay(file,
fh, f);
break;
#if 1
@@ -742,19 +752,19 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
* it though, so just warn that this is deprecated and will be
* removed in the near future. */
case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (vfd->vidioc_enum_fmt_vbi_cap) {
+ if (ops->vidioc_enum_fmt_vbi_cap) {
printk(KERN_WARNING "vidioc_enum_fmt_vbi_cap will be removed in 2.6.28!\n");
- ret = vfd->vidioc_enum_fmt_vbi_cap(file, fh, f);
+ ret = ops->vidioc_enum_fmt_vbi_cap(file, fh, f);
}
break;
#endif
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- if (vfd->vidioc_enum_fmt_vid_out)
- ret = vfd->vidioc_enum_fmt_vid_out(file, fh, f);
+ if (ops->vidioc_enum_fmt_vid_out)
+ ret = ops->vidioc_enum_fmt_vid_out(file, fh, f);
break;
case V4L2_BUF_TYPE_PRIVATE:
- if (vfd->vidioc_enum_fmt_type_private)
- ret = vfd->vidioc_enum_fmt_type_private(file,
+ if (ops->vidioc_enum_fmt_type_private)
+ ret = ops->vidioc_enum_fmt_type_private(file,
fh, f);
break;
default:
@@ -782,48 +792,48 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (vfd->vidioc_g_fmt_vid_cap)
- ret = vfd->vidioc_g_fmt_vid_cap(file, fh, f);
+ if (ops->vidioc_g_fmt_vid_cap)
+ ret = ops->vidioc_g_fmt_vid_cap(file, fh, f);
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (vfd->vidioc_g_fmt_vid_overlay)
- ret = vfd->vidioc_g_fmt_vid_overlay(file,
+ if (ops->vidioc_g_fmt_vid_overlay)
+ ret = ops->vidioc_g_fmt_vid_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- if (vfd->vidioc_g_fmt_vid_out)
- ret = vfd->vidioc_g_fmt_vid_out(file, fh, f);
+ if (ops->vidioc_g_fmt_vid_out)
+ ret = ops->vidioc_g_fmt_vid_out(file, fh, f);
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
- if (vfd->vidioc_g_fmt_vid_out_overlay)
- ret = vfd->vidioc_g_fmt_vid_out_overlay(file,
+ if (ops->vidioc_g_fmt_vid_out_overlay)
+ ret = ops->vidioc_g_fmt_vid_out_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (vfd->vidioc_g_fmt_vbi_cap)
- ret = vfd->vidioc_g_fmt_vbi_cap(file, fh, f);
+ if (ops->vidioc_g_fmt_vbi_cap)
+ ret = ops->vidioc_g_fmt_vbi_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
- if (vfd->vidioc_g_fmt_vbi_out)
- ret = vfd->vidioc_g_fmt_vbi_out(file, fh, f);
+ if (ops->vidioc_g_fmt_vbi_out)
+ ret = ops->vidioc_g_fmt_vbi_out(file, fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- if (vfd->vidioc_g_fmt_sliced_vbi_cap)
- ret = vfd->vidioc_g_fmt_sliced_vbi_cap(file,
+ if (ops->vidioc_g_fmt_sliced_vbi_cap)
+ ret = ops->vidioc_g_fmt_sliced_vbi_cap(file,
fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
- if (vfd->vidioc_g_fmt_sliced_vbi_out)
- ret = vfd->vidioc_g_fmt_sliced_vbi_out(file,
+ if (ops->vidioc_g_fmt_sliced_vbi_out)
+ ret = ops->vidioc_g_fmt_sliced_vbi_out(file,
fh, f);
break;
case V4L2_BUF_TYPE_PRIVATE:
- if (vfd->vidioc_g_fmt_type_private)
- ret = vfd->vidioc_g_fmt_type_private(file,
+ if (ops->vidioc_g_fmt_type_private)
+ ret = ops->vidioc_g_fmt_type_private(file,
fh, f);
break;
}
@@ -840,45 +850,45 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
v4l_print_pix_fmt(vfd, &f->fmt.pix);
- if (vfd->vidioc_s_fmt_vid_cap)
- ret = vfd->vidioc_s_fmt_vid_cap(file, fh, f);
+ if (ops->vidioc_s_fmt_vid_cap)
+ ret = ops->vidioc_s_fmt_vid_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (vfd->vidioc_s_fmt_vid_overlay)
- ret = vfd->vidioc_s_fmt_vid_overlay(file,
+ if (ops->vidioc_s_fmt_vid_overlay)
+ ret = ops->vidioc_s_fmt_vid_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
v4l_print_pix_fmt(vfd, &f->fmt.pix);
- if (vfd->vidioc_s_fmt_vid_out)
- ret = vfd->vidioc_s_fmt_vid_out(file, fh, f);
+ if (ops->vidioc_s_fmt_vid_out)
+ ret = ops->vidioc_s_fmt_vid_out(file, fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
- if (vfd->vidioc_s_fmt_vid_out_overlay)
- ret = vfd->vidioc_s_fmt_vid_out_overlay(file,
+ if (ops->vidioc_s_fmt_vid_out_overlay)
+ ret = ops->vidioc_s_fmt_vid_out_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (vfd->vidioc_s_fmt_vbi_cap)
- ret = vfd->vidioc_s_fmt_vbi_cap(file, fh, f);
+ if (ops->vidioc_s_fmt_vbi_cap)
+ ret = ops->vidioc_s_fmt_vbi_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
- if (vfd->vidioc_s_fmt_vbi_out)
- ret = vfd->vidioc_s_fmt_vbi_out(file, fh, f);
+ if (ops->vidioc_s_fmt_vbi_out)
+ ret = ops->vidioc_s_fmt_vbi_out(file, fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- if (vfd->vidioc_s_fmt_sliced_vbi_cap)
- ret = vfd->vidioc_s_fmt_sliced_vbi_cap(file,
+ if (ops->vidioc_s_fmt_sliced_vbi_cap)
+ ret = ops->vidioc_s_fmt_sliced_vbi_cap(file,
fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
- if (vfd->vidioc_s_fmt_sliced_vbi_out)
- ret = vfd->vidioc_s_fmt_sliced_vbi_out(file,
+ if (ops->vidioc_s_fmt_sliced_vbi_out)
+ ret = ops->vidioc_s_fmt_sliced_vbi_out(file,
fh, f);
break;
case V4L2_BUF_TYPE_PRIVATE:
- if (vfd->vidioc_s_fmt_type_private)
- ret = vfd->vidioc_s_fmt_type_private(file,
+ if (ops->vidioc_s_fmt_type_private)
+ ret = ops->vidioc_s_fmt_type_private(file,
fh, f);
break;
}
@@ -893,48 +903,48 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
v4l2_type_names));
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (vfd->vidioc_try_fmt_vid_cap)
- ret = vfd->vidioc_try_fmt_vid_cap(file, fh, f);
+ if (ops->vidioc_try_fmt_vid_cap)
+ ret = ops->vidioc_try_fmt_vid_cap(file, fh, f);
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (vfd->vidioc_try_fmt_vid_overlay)
- ret = vfd->vidioc_try_fmt_vid_overlay(file,
+ if (ops->vidioc_try_fmt_vid_overlay)
+ ret = ops->vidioc_try_fmt_vid_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- if (vfd->vidioc_try_fmt_vid_out)
- ret = vfd->vidioc_try_fmt_vid_out(file, fh, f);
+ if (ops->vidioc_try_fmt_vid_out)
+ ret = ops->vidioc_try_fmt_vid_out(file, fh, f);
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
- if (vfd->vidioc_try_fmt_vid_out_overlay)
- ret = vfd->vidioc_try_fmt_vid_out_overlay(file,
+ if (ops->vidioc_try_fmt_vid_out_overlay)
+ ret = ops->vidioc_try_fmt_vid_out_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (vfd->vidioc_try_fmt_vbi_cap)
- ret = vfd->vidioc_try_fmt_vbi_cap(file, fh, f);
+ if (ops->vidioc_try_fmt_vbi_cap)
+ ret = ops->vidioc_try_fmt_vbi_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
- if (vfd->vidioc_try_fmt_vbi_out)
- ret = vfd->vidioc_try_fmt_vbi_out(file, fh, f);
+ if (ops->vidioc_try_fmt_vbi_out)
+ ret = ops->vidioc_try_fmt_vbi_out(file, fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- if (vfd->vidioc_try_fmt_sliced_vbi_cap)
- ret = vfd->vidioc_try_fmt_sliced_vbi_cap(file,
+ if (ops->vidioc_try_fmt_sliced_vbi_cap)
+ ret = ops->vidioc_try_fmt_sliced_vbi_cap(file,
fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
- if (vfd->vidioc_try_fmt_sliced_vbi_out)
- ret = vfd->vidioc_try_fmt_sliced_vbi_out(file,
+ if (ops->vidioc_try_fmt_sliced_vbi_out)
+ ret = ops->vidioc_try_fmt_sliced_vbi_out(file,
fh, f);
break;
case V4L2_BUF_TYPE_PRIVATE:
- if (vfd->vidioc_try_fmt_type_private)
- ret = vfd->vidioc_try_fmt_type_private(file,
+ if (ops->vidioc_try_fmt_type_private)
+ ret = ops->vidioc_try_fmt_type_private(file,
fh, f);
break;
}
@@ -949,13 +959,13 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_requestbuffers *p = arg;
- if (!vfd->vidioc_reqbufs)
+ if (!ops->vidioc_reqbufs)
break;
- ret = check_fmt(vfd, p->type);
+ ret = check_fmt(ops, p->type);
if (ret)
break;
- ret = vfd->vidioc_reqbufs(file, fh, p);
+ ret = ops->vidioc_reqbufs(file, fh, p);
dbgarg(cmd, "count=%d, type=%s, memory=%s\n",
p->count,
prt_names(p->type, v4l2_type_names),
@@ -966,13 +976,13 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_buffer *p = arg;
- if (!vfd->vidioc_querybuf)
+ if (!ops->vidioc_querybuf)
break;
- ret = check_fmt(vfd, p->type);
+ ret = check_fmt(ops, p->type);
if (ret)
break;
- ret = vfd->vidioc_querybuf(file, fh, p);
+ ret = ops->vidioc_querybuf(file, fh, p);
if (!ret)
dbgbuf(cmd, vfd, p);
break;
@@ -981,13 +991,13 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_buffer *p = arg;
- if (!vfd->vidioc_qbuf)
+ if (!ops->vidioc_qbuf)
break;
- ret = check_fmt(vfd, p->type);
+ ret = check_fmt(ops, p->type);
if (ret)
break;
- ret = vfd->vidioc_qbuf(file, fh, p);
+ ret = ops->vidioc_qbuf(file, fh, p);
if (!ret)
dbgbuf(cmd, vfd, p);
break;
@@ -996,13 +1006,13 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_buffer *p = arg;
- if (!vfd->vidioc_dqbuf)
+ if (!ops->vidioc_dqbuf)
break;
- ret = check_fmt(vfd, p->type);
+ ret = check_fmt(ops, p->type);
if (ret)
break;
- ret = vfd->vidioc_dqbuf(file, fh, p);
+ ret = ops->vidioc_dqbuf(file, fh, p);
if (!ret)
dbgbuf(cmd, vfd, p);
break;
@@ -1011,19 +1021,19 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
int *i = arg;
- if (!vfd->vidioc_overlay)
+ if (!ops->vidioc_overlay)
break;
dbgarg(cmd, "value=%d\n", *i);
- ret = vfd->vidioc_overlay(file, fh, *i);
+ ret = ops->vidioc_overlay(file, fh, *i);
break;
}
case VIDIOC_G_FBUF:
{
struct v4l2_framebuffer *p = arg;
- if (!vfd->vidioc_g_fbuf)
+ if (!ops->vidioc_g_fbuf)
break;
- ret = vfd->vidioc_g_fbuf(file, fh, arg);
+ ret = ops->vidioc_g_fbuf(file, fh, arg);
if (!ret) {
dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n",
p->capability, p->flags,
@@ -1036,32 +1046,32 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_framebuffer *p = arg;
- if (!vfd->vidioc_s_fbuf)
+ if (!ops->vidioc_s_fbuf)
break;
dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n",
p->capability, p->flags, (unsigned long)p->base);
v4l_print_pix_fmt(vfd, &p->fmt);
- ret = vfd->vidioc_s_fbuf(file, fh, arg);
+ ret = ops->vidioc_s_fbuf(file, fh, arg);
break;
}
case VIDIOC_STREAMON:
{
enum v4l2_buf_type i = *(int *)arg;
- if (!vfd->vidioc_streamon)
+ if (!ops->vidioc_streamon)
break;
dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names));
- ret = vfd->vidioc_streamon(file, fh, i);
+ ret = ops->vidioc_streamon(file, fh, i);
break;
}
case VIDIOC_STREAMOFF:
{
enum v4l2_buf_type i = *(int *)arg;
- if (!vfd->vidioc_streamoff)
+ if (!ops->vidioc_streamoff)
break;
dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names));
- ret = vfd->vidioc_streamoff(file, fh, i);
+ ret = ops->vidioc_streamoff(file, fh, i);
break;
}
/* ---------- tv norms ---------- */
@@ -1110,8 +1120,8 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
ret = 0;
/* Calls the specific handler */
- if (vfd->vidioc_g_std)
- ret = vfd->vidioc_g_std(file, fh, id);
+ if (ops->vidioc_g_std)
+ ret = ops->vidioc_g_std(file, fh, id);
else
*id = vfd->current_norm;
@@ -1130,8 +1140,8 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
break;
/* Calls the specific handler */
- if (vfd->vidioc_s_std)
- ret = vfd->vidioc_s_std(file, fh, &norm);
+ if (ops->vidioc_s_std)
+ ret = ops->vidioc_s_std(file, fh, &norm);
else
ret = -EINVAL;
@@ -1144,9 +1154,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
v4l2_std_id *p = arg;
- if (!vfd->vidioc_querystd)
+ if (!ops->vidioc_querystd)
break;
- ret = vfd->vidioc_querystd(file, fh, arg);
+ ret = ops->vidioc_querystd(file, fh, arg);
if (!ret)
dbgarg(cmd, "detected std=%08Lx\n",
(unsigned long long)*p);
@@ -1159,12 +1169,12 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_input *p = arg;
int i = p->index;
- if (!vfd->vidioc_enum_input)
+ if (!ops->vidioc_enum_input)
break;
memset(p, 0, sizeof(*p));
p->index = i;
- ret = vfd->vidioc_enum_input(file, fh, p);
+ ret = ops->vidioc_enum_input(file, fh, p);
if (!ret)
dbgarg(cmd, "index=%d, name=%s, type=%d, "
"audioset=%d, "
@@ -1179,9 +1189,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
unsigned int *i = arg;
- if (!vfd->vidioc_g_input)
+ if (!ops->vidioc_g_input)
break;
- ret = vfd->vidioc_g_input(file, fh, i);
+ ret = ops->vidioc_g_input(file, fh, i);
if (!ret)
dbgarg(cmd, "value=%d\n", *i);
break;
@@ -1190,10 +1200,10 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
unsigned int *i = arg;
- if (!vfd->vidioc_s_input)
+ if (!ops->vidioc_s_input)
break;
dbgarg(cmd, "value=%d\n", *i);
- ret = vfd->vidioc_s_input(file, fh, *i);
+ ret = ops->vidioc_s_input(file, fh, *i);
break;
}
@@ -1203,12 +1213,12 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_output *p = arg;
int i = p->index;
- if (!vfd->vidioc_enum_output)
+ if (!ops->vidioc_enum_output)
break;
memset(p, 0, sizeof(*p));
p->index = i;
- ret = vfd->vidioc_enum_output(file, fh, p);
+ ret = ops->vidioc_enum_output(file, fh, p);
if (!ret)
dbgarg(cmd, "index=%d, name=%s, type=%d, "
"audioset=0x%x, "
@@ -1221,9 +1231,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
unsigned int *i = arg;
- if (!vfd->vidioc_g_output)
+ if (!ops->vidioc_g_output)
break;
- ret = vfd->vidioc_g_output(file, fh, i);
+ ret = ops->vidioc_g_output(file, fh, i);
if (!ret)
dbgarg(cmd, "value=%d\n", *i);
break;
@@ -1232,10 +1242,10 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
unsigned int *i = arg;
- if (!vfd->vidioc_s_output)
+ if (!ops->vidioc_s_output)
break;
dbgarg(cmd, "value=%d\n", *i);
- ret = vfd->vidioc_s_output(file, fh, *i);
+ ret = ops->vidioc_s_output(file, fh, *i);
break;
}
@@ -1244,9 +1254,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_queryctrl *p = arg;
- if (!vfd->vidioc_queryctrl)
+ if (!ops->vidioc_queryctrl)
break;
- ret = vfd->vidioc_queryctrl(file, fh, p);
+ ret = ops->vidioc_queryctrl(file, fh, p);
if (!ret)
dbgarg(cmd, "id=0x%x, type=%d, name=%s, min/max=%d/%d, "
"step=%d, default=%d, flags=0x%08x\n",
@@ -1261,9 +1271,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_control *p = arg;
- if (vfd->vidioc_g_ctrl)
- ret = vfd->vidioc_g_ctrl(file, fh, p);
- else if (vfd->vidioc_g_ext_ctrls) {
+ if (ops->vidioc_g_ctrl)
+ ret = ops->vidioc_g_ctrl(file, fh, p);
+ else if (ops->vidioc_g_ext_ctrls) {
struct v4l2_ext_controls ctrls;
struct v4l2_ext_control ctrl;
@@ -1273,7 +1283,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
ctrl.id = p->id;
ctrl.value = p->value;
if (check_ext_ctrls(&ctrls, 1)) {
- ret = vfd->vidioc_g_ext_ctrls(file, fh, &ctrls);
+ ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls);
if (ret == 0)
p->value = ctrl.value;
}
@@ -1291,16 +1301,16 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_ext_controls ctrls;
struct v4l2_ext_control ctrl;
- if (!vfd->vidioc_s_ctrl && !vfd->vidioc_s_ext_ctrls)
+ if (!ops->vidioc_s_ctrl && !ops->vidioc_s_ext_ctrls)
break;
dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value);
- if (vfd->vidioc_s_ctrl) {
- ret = vfd->vidioc_s_ctrl(file, fh, p);
+ if (ops->vidioc_s_ctrl) {
+ ret = ops->vidioc_s_ctrl(file, fh, p);
break;
}
- if (!vfd->vidioc_s_ext_ctrls)
+ if (!ops->vidioc_s_ext_ctrls)
break;
ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id);
@@ -1309,7 +1319,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
ctrl.id = p->id;
ctrl.value = p->value;
if (check_ext_ctrls(&ctrls, 1))
- ret = vfd->vidioc_s_ext_ctrls(file, fh, &ctrls);
+ ret = ops->vidioc_s_ext_ctrls(file, fh, &ctrls);
break;
}
case VIDIOC_G_EXT_CTRLS:
@@ -1317,10 +1327,10 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_ext_controls *p = arg;
p->error_idx = p->count;
- if (!vfd->vidioc_g_ext_ctrls)
+ if (!ops->vidioc_g_ext_ctrls)
break;
if (check_ext_ctrls(p, 0))
- ret = vfd->vidioc_g_ext_ctrls(file, fh, p);
+ ret = ops->vidioc_g_ext_ctrls(file, fh, p);
v4l_print_ext_ctrls(cmd, vfd, p, !ret);
break;
}
@@ -1329,11 +1339,11 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_ext_controls *p = arg;
p->error_idx = p->count;
- if (!vfd->vidioc_s_ext_ctrls)
+ if (!ops->vidioc_s_ext_ctrls)
break;
v4l_print_ext_ctrls(cmd, vfd, p, 1);
if (check_ext_ctrls(p, 0))
- ret = vfd->vidioc_s_ext_ctrls(file, fh, p);
+ ret = ops->vidioc_s_ext_ctrls(file, fh, p);
break;
}
case VIDIOC_TRY_EXT_CTRLS:
@@ -1341,20 +1351,20 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_ext_controls *p = arg;
p->error_idx = p->count;
- if (!vfd->vidioc_try_ext_ctrls)
+ if (!ops->vidioc_try_ext_ctrls)
break;
v4l_print_ext_ctrls(cmd, vfd, p, 1);
if (check_ext_ctrls(p, 0))
- ret = vfd->vidioc_try_ext_ctrls(file, fh, p);
+ ret = ops->vidioc_try_ext_ctrls(file, fh, p);
break;
}
case VIDIOC_QUERYMENU:
{
struct v4l2_querymenu *p = arg;
- if (!vfd->vidioc_querymenu)
+ if (!ops->vidioc_querymenu)
break;
- ret = vfd->vidioc_querymenu(file, fh, p);
+ ret = ops->vidioc_querymenu(file, fh, p);
if (!ret)
dbgarg(cmd, "id=0x%x, index=%d, name=%s\n",
p->id, p->index, p->name);
@@ -1368,9 +1378,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_audio *p = arg;
- if (!vfd->vidioc_enumaudio)
+ if (!ops->vidioc_enumaudio)
break;
- ret = vfd->vidioc_enumaudio(file, fh, p);
+ ret = ops->vidioc_enumaudio(file, fh, p);
if (!ret)
dbgarg(cmd, "index=%d, name=%s, capability=0x%x, "
"mode=0x%x\n", p->index, p->name,
@@ -1384,12 +1394,12 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_audio *p = arg;
__u32 index = p->index;
- if (!vfd->vidioc_g_audio)
+ if (!ops->vidioc_g_audio)
break;
memset(p, 0, sizeof(*p));
p->index = index;
- ret = vfd->vidioc_g_audio(file, fh, p);
+ ret = ops->vidioc_g_audio(file, fh, p);
if (!ret)
dbgarg(cmd, "index=%d, name=%s, capability=0x%x, "
"mode=0x%x\n", p->index,
@@ -1402,22 +1412,22 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_audio *p = arg;
- if (!vfd->vidioc_s_audio)
+ if (!ops->vidioc_s_audio)
break;
dbgarg(cmd, "index=%d, name=%s, capability=0x%x, "
"mode=0x%x\n", p->index, p->name,
p->capability, p->mode);
- ret = vfd->vidioc_s_audio(file, fh, p);
+ ret = ops->vidioc_s_audio(file, fh, p);
break;
}
case VIDIOC_ENUMAUDOUT:
{
struct v4l2_audioout *p = arg;
- if (!vfd->vidioc_enumaudout)
+ if (!ops->vidioc_enumaudout)
break;
dbgarg(cmd, "Enum for index=%d\n", p->index);
- ret = vfd->vidioc_enumaudout(file, fh, p);
+ ret = ops->vidioc_enumaudout(file, fh, p);
if (!ret)
dbgarg2("index=%d, name=%s, capability=%d, "
"mode=%d\n", p->index, p->name,
@@ -1428,10 +1438,10 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_audioout *p = arg;
- if (!vfd->vidioc_g_audout)
+ if (!ops->vidioc_g_audout)
break;
dbgarg(cmd, "Enum for index=%d\n", p->index);
- ret = vfd->vidioc_g_audout(file, fh, p);
+ ret = ops->vidioc_g_audout(file, fh, p);
if (!ret)
dbgarg2("index=%d, name=%s, capability=%d, "
"mode=%d\n", p->index, p->name,
@@ -1442,22 +1452,22 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_audioout *p = arg;
- if (!vfd->vidioc_s_audout)
+ if (!ops->vidioc_s_audout)
break;
dbgarg(cmd, "index=%d, name=%s, capability=%d, "
"mode=%d\n", p->index, p->name,
p->capability, p->mode);
- ret = vfd->vidioc_s_audout(file, fh, p);
+ ret = ops->vidioc_s_audout(file, fh, p);
break;
}
case VIDIOC_G_MODULATOR:
{
struct v4l2_modulator *p = arg;
- if (!vfd->vidioc_g_modulator)
+ if (!ops->vidioc_g_modulator)
break;
- ret = vfd->vidioc_g_modulator(file, fh, p);
+ ret = ops->vidioc_g_modulator(file, fh, p);
if (!ret)
dbgarg(cmd, "index=%d, name=%s, "
"capability=%d, rangelow=%d,"
@@ -1471,23 +1481,23 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_modulator *p = arg;
- if (!vfd->vidioc_s_modulator)
+ if (!ops->vidioc_s_modulator)
break;
dbgarg(cmd, "index=%d, name=%s, capability=%d, "
"rangelow=%d, rangehigh=%d, txsubchans=%d\n",
p->index, p->name, p->capability, p->rangelow,
p->rangehigh, p->txsubchans);
- ret = vfd->vidioc_s_modulator(file, fh, p);
+ ret = ops->vidioc_s_modulator(file, fh, p);
break;
}
case VIDIOC_G_CROP:
{
struct v4l2_crop *p = arg;
- if (!vfd->vidioc_g_crop)
+ if (!ops->vidioc_g_crop)
break;
dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
- ret = vfd->vidioc_g_crop(file, fh, p);
+ ret = ops->vidioc_g_crop(file, fh, p);
if (!ret)
dbgrect(vfd, "", &p->c);
break;
@@ -1496,11 +1506,11 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_crop *p = arg;
- if (!vfd->vidioc_s_crop)
+ if (!ops->vidioc_s_crop)
break;
dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
dbgrect(vfd, "", &p->c);
- ret = vfd->vidioc_s_crop(file, fh, p);
+ ret = ops->vidioc_s_crop(file, fh, p);
break;
}
case VIDIOC_CROPCAP:
@@ -1508,10 +1518,10 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_cropcap *p = arg;
/*FIXME: Should also show v4l2_fract pixelaspect */
- if (!vfd->vidioc_cropcap)
+ if (!ops->vidioc_cropcap)
break;
dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
- ret = vfd->vidioc_cropcap(file, fh, p);
+ ret = ops->vidioc_cropcap(file, fh, p);
if (!ret) {
dbgrect(vfd, "bounds ", &p->bounds);
dbgrect(vfd, "defrect ", &p->defrect);
@@ -1522,9 +1532,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_jpegcompression *p = arg;
- if (!vfd->vidioc_g_jpegcomp)
+ if (!ops->vidioc_g_jpegcomp)
break;
- ret = vfd->vidioc_g_jpegcomp(file, fh, p);
+ ret = ops->vidioc_g_jpegcomp(file, fh, p);
if (!ret)
dbgarg(cmd, "quality=%d, APPn=%d, "
"APP_len=%d, COM_len=%d, "
@@ -1537,22 +1547,22 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_jpegcompression *p = arg;
- if (!vfd->vidioc_g_jpegcomp)
+ if (!ops->vidioc_g_jpegcomp)
break;
dbgarg(cmd, "quality=%d, APPn=%d, APP_len=%d, "
"COM_len=%d, jpeg_markers=%d\n",
p->quality, p->APPn, p->APP_len,
p->COM_len, p->jpeg_markers);
- ret = vfd->vidioc_s_jpegcomp(file, fh, p);
+ ret = ops->vidioc_s_jpegcomp(file, fh, p);
break;
}
case VIDIOC_G_ENC_INDEX:
{
struct v4l2_enc_idx *p = arg;
- if (!vfd->vidioc_g_enc_index)
+ if (!ops->vidioc_g_enc_index)
break;
- ret = vfd->vidioc_g_enc_index(file, fh, p);
+ ret = ops->vidioc_g_enc_index(file, fh, p);
if (!ret)
dbgarg(cmd, "entries=%d, entries_cap=%d\n",
p->entries, p->entries_cap);
@@ -1562,10 +1572,10 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_encoder_cmd *p = arg;
- if (!vfd->vidioc_encoder_cmd)
+ if (!ops->vidioc_encoder_cmd)
break;
memset(&p->raw, 0, sizeof(p->raw));
- ret = vfd->vidioc_encoder_cmd(file, fh, p);
+ ret = ops->vidioc_encoder_cmd(file, fh, p);
if (!ret)
dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags);
break;
@@ -1574,10 +1584,10 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_encoder_cmd *p = arg;
- if (!vfd->vidioc_try_encoder_cmd)
+ if (!ops->vidioc_try_encoder_cmd)
break;
memset(&p->raw, 0, sizeof(p->raw));
- ret = vfd->vidioc_try_encoder_cmd(file, fh, p);
+ ret = ops->vidioc_try_encoder_cmd(file, fh, p);
if (!ret)
dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags);
break;
@@ -1590,8 +1600,8 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
memset(p, 0, sizeof(*p));
p->type = type;
- if (vfd->vidioc_g_parm) {
- ret = vfd->vidioc_g_parm(file, fh, p);
+ if (ops->vidioc_g_parm) {
+ ret = ops->vidioc_g_parm(file, fh, p);
} else {
struct v4l2_standard s;
@@ -1612,10 +1622,10 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_streamparm *p = arg;
- if (!vfd->vidioc_s_parm)
+ if (!ops->vidioc_s_parm)
break;
dbgarg(cmd, "type=%d\n", p->type);
- ret = vfd->vidioc_s_parm(file, fh, p);
+ ret = ops->vidioc_s_parm(file, fh, p);
break;
}
case VIDIOC_G_TUNER:
@@ -1623,13 +1633,13 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_tuner *p = arg;
__u32 index = p->index;
- if (!vfd->vidioc_g_tuner)
+ if (!ops->vidioc_g_tuner)
break;
memset(p, 0, sizeof(*p));
p->index = index;
- ret = vfd->vidioc_g_tuner(file, fh, p);
+ ret = ops->vidioc_g_tuner(file, fh, p);
if (!ret)
dbgarg(cmd, "index=%d, name=%s, type=%d, "
"capability=0x%x, rangelow=%d, "
@@ -1645,7 +1655,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_tuner *p = arg;
- if (!vfd->vidioc_s_tuner)
+ if (!ops->vidioc_s_tuner)
break;
dbgarg(cmd, "index=%d, name=%s, type=%d, "
"capability=0x%x, rangelow=%d, "
@@ -1655,19 +1665,19 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
p->capability, p->rangelow,
p->rangehigh, p->signal, p->afc,
p->rxsubchans, p->audmode);
- ret = vfd->vidioc_s_tuner(file, fh, p);
+ ret = ops->vidioc_s_tuner(file, fh, p);
break;
}
case VIDIOC_G_FREQUENCY:
{
struct v4l2_frequency *p = arg;
- if (!vfd->vidioc_g_frequency)
+ if (!ops->vidioc_g_frequency)
break;
memset(p->reserved, 0, sizeof(p->reserved));
- ret = vfd->vidioc_g_frequency(file, fh, p);
+ ret = ops->vidioc_g_frequency(file, fh, p);
if (!ret)
dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n",
p->tuner, p->type, p->frequency);
@@ -1677,11 +1687,11 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_frequency *p = arg;
- if (!vfd->vidioc_s_frequency)
+ if (!ops->vidioc_s_frequency)
break;
dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n",
p->tuner, p->type, p->frequency);
- ret = vfd->vidioc_s_frequency(file, fh, p);
+ ret = ops->vidioc_s_frequency(file, fh, p);
break;
}
case VIDIOC_G_SLICED_VBI_CAP:
@@ -1689,21 +1699,21 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_sliced_vbi_cap *p = arg;
__u32 type = p->type;
- if (!vfd->vidioc_g_sliced_vbi_cap)
+ if (!ops->vidioc_g_sliced_vbi_cap)
break;
memset(p, 0, sizeof(*p));
p->type = type;
dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
- ret = vfd->vidioc_g_sliced_vbi_cap(file, fh, p);
+ ret = ops->vidioc_g_sliced_vbi_cap(file, fh, p);
if (!ret)
dbgarg2("service_set=%d\n", p->service_set);
break;
}
case VIDIOC_LOG_STATUS:
{
- if (!vfd->vidioc_log_status)
+ if (!ops->vidioc_log_status)
break;
- ret = vfd->vidioc_log_status(file, fh);
+ ret = ops->vidioc_log_status(file, fh);
break;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
@@ -1713,8 +1723,8 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
if (!capable(CAP_SYS_ADMIN))
ret = -EPERM;
- else if (vfd->vidioc_g_register)
- ret = vfd->vidioc_g_register(file, fh, p);
+ else if (ops->vidioc_g_register)
+ ret = ops->vidioc_g_register(file, fh, p);
break;
}
case VIDIOC_DBG_S_REGISTER:
@@ -1723,8 +1733,8 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
if (!capable(CAP_SYS_ADMIN))
ret = -EPERM;
- else if (vfd->vidioc_s_register)
- ret = vfd->vidioc_s_register(file, fh, p);
+ else if (ops->vidioc_s_register)
+ ret = ops->vidioc_s_register(file, fh, p);
break;
}
#endif
@@ -1732,30 +1742,30 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_chip_ident *p = arg;
- if (!vfd->vidioc_g_chip_ident)
+ if (!ops->vidioc_g_chip_ident)
break;
- ret = vfd->vidioc_g_chip_ident(file, fh, p);
+ ret = ops->vidioc_g_chip_ident(file, fh, p);
if (!ret)
dbgarg(cmd, "chip_ident=%u, revision=0x%x\n", p->ident, p->revision);
break;
}
- default:
- {
- if (!vfd->vidioc_default)
- break;
- ret = vfd->vidioc_default(file, fh, cmd, arg);
- break;
- }
case VIDIOC_S_HW_FREQ_SEEK:
{
struct v4l2_hw_freq_seek *p = arg;
- if (!vfd->vidioc_s_hw_freq_seek)
+ if (!ops->vidioc_s_hw_freq_seek)
break;
dbgarg(cmd,
"tuner=%d, type=%d, seek_upward=%d, wrap_around=%d\n",
p->tuner, p->type, p->seek_upward, p->wrap_around);
- ret = vfd->vidioc_s_hw_freq_seek(file, fh, p);
+ ret = ops->vidioc_s_hw_freq_seek(file, fh, p);
+ break;
+ }
+ default:
+ {
+ if (!ops->vidioc_default)
+ break;
+ ret = ops->vidioc_default(file, fh, cmd, arg);
break;
}
} /* switch */

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