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authorHans Verkuil <hans.verkuil@cisco.com>2012-09-04 10:08:01 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-23 13:48:49 -0300
commit89de0f2cda8b784e51ebd6655fff7339e4ac552b (patch)
treec313d742e4ee3ec2bdecc09b3fc28e401da472e6 /drivers
parent40c6f7ec76eddf34c43ad84616cdf6b1ddec480e (diff)
[media] v4l2-ioctl.c: fix overlay support
The vidioc_overlay op needs an unsigned int, not an unsigned int pointer. So we need a small function that dereferences the unsigned int pointer. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/v4l2-ioctl.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index 6bc47fc82fe..f5847af559b 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -1416,6 +1416,12 @@ static int v4l_s_hw_freq_seek(const struct v4l2_ioctl_ops *ops,
return ops->vidioc_s_hw_freq_seek(file, fh, p);
}
+static int v4l_overlay(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ return ops->vidioc_overlay(file, fh, *(unsigned int *)arg);
+}
+
static int v4l_reqbufs(const struct v4l2_ioctl_ops *ops,
struct file *file, void *fh, void *arg)
{
@@ -1944,7 +1950,7 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
IOCTL_INFO_FNC(VIDIOC_QUERYBUF, v4l_querybuf, v4l_print_buffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_buffer, length)),
IOCTL_INFO_STD(VIDIOC_G_FBUF, vidioc_g_fbuf, v4l_print_framebuffer, 0),
IOCTL_INFO_STD(VIDIOC_S_FBUF, vidioc_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO),
- IOCTL_INFO_STD(VIDIOC_OVERLAY, vidioc_overlay, v4l_print_u32, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_OVERLAY, v4l_overlay, v4l_print_u32, INFO_FL_PRIO),
IOCTL_INFO_FNC(VIDIOC_QBUF, v4l_qbuf, v4l_print_buffer, INFO_FL_QUEUE),
IOCTL_INFO_FNC(VIDIOC_DQBUF, v4l_dqbuf, v4l_print_buffer, INFO_FL_QUEUE),
IOCTL_INFO_FNC(VIDIOC_STREAMON, v4l_streamon, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE),