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[media] v4l: subdev: Control ioctls support

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Pass the control-related ioctls to the subdev driver through the control
framework.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Laurent Pinchart
2009-12-09 08:39:54 -03:00
committed by Mauro Carvalho Chehab
parent 3dd5ee0801
commit ea8aa4349e
2 changed files with 41 additions and 0 deletions
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25
drivers/media/video/v4l2-subdev.c
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@@ -24,6 +24,7 @@
#include <linux/ioctl.h>
#include <linux/videodev2.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
@@ -39,7 +40,31 @@ static int subdev_close(struct file *file)
static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
{
struct video_device *vdev = video_devdata(file);
struct v4l2_subdev *sd = vdev_to_v4l2_subdev(vdev);
switch (cmd) {
case VIDIOC_QUERYCTRL:
return v4l2_subdev_queryctrl(sd, arg);
case VIDIOC_QUERYMENU:
return v4l2_subdev_querymenu(sd, arg);
case VIDIOC_G_CTRL:
return v4l2_subdev_g_ctrl(sd, arg);
case VIDIOC_S_CTRL:
return v4l2_subdev_s_ctrl(sd, arg);
case VIDIOC_G_EXT_CTRLS:
return v4l2_subdev_g_ext_ctrls(sd, arg);
case VIDIOC_S_EXT_CTRLS:
return v4l2_subdev_s_ext_ctrls(sd, arg);
case VIDIOC_TRY_EXT_CTRLS:
return v4l2_subdev_try_ext_ctrls(sd, arg);
default:
return -ENOIOCTLCMD;
}