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[media] V4L: soc-camera: add 2 new ioctl() handlers 

This patch adds two new ioctl() handlers: .vidioc_create_bufs() and
.vidioc_prepare_buf() for compliant vb2 soc-camera hosts.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski 2011-09-28 09:25:28 -03:00 committed by Mauro Carvalho Chehab
parent 07f9244804
commit 7ae77ee92f
1 changed files with 31 additions and 2 deletions
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33
drivers/media/video/soc_camera.c
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@ -318,6 +318,32 @@ static int soc_camera_dqbuf(struct file *file, void *priv,
return vb2_dqbuf(&icd->vb2_vidq, p, file->f_flags & O_NONBLOCK); return vb2_dqbuf(&icd->vb2_vidq, p, file->f_flags & O_NONBLOCK);
} }
static int soc_camera_create_bufs(struct file *file, void *priv,
struct v4l2_create_buffers *create)
{
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
/* videobuf2 only */
if (ici->ops->init_videobuf)
return -EINVAL;
else
return vb2_create_bufs(&icd->vb2_vidq, create);
}
static int soc_camera_prepare_buf(struct file *file, void *priv,
struct v4l2_buffer *b)
{
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
/* videobuf2 only */
if (ici->ops->init_videobuf)
return -EINVAL;
else
return vb2_prepare_buf(&icd->vb2_vidq, b);
}
/* Always entered with .video_lock held */ /* Always entered with .video_lock held */
static int soc_camera_init_user_formats(struct soc_camera_device *icd) static int soc_camera_init_user_formats(struct soc_camera_device *icd)
{ {
@ -1041,6 +1067,7 @@ static int soc_camera_probe(struct soc_camera_device *icd)
if (!control || !control->driver || !dev_get_drvdata(control) || if (!control || !control->driver || !dev_get_drvdata(control) ||
!try_module_get(control->driver->owner)) { !try_module_get(control->driver->owner)) {
icl->del_device(icd); icl->del_device(icd);
ret = -ENODEV;
goto enodrv; goto enodrv;
} }
} }
@ -1312,19 +1339,21 @@ static int soc_camera_device_register(struct soc_camera_device *icd)
static const struct v4l2_ioctl_ops soc_camera_ioctl_ops = { static const struct v4l2_ioctl_ops soc_camera_ioctl_ops = {
.vidioc_querycap = soc_camera_querycap, .vidioc_querycap = soc_camera_querycap,
.vidioc_try_fmt_vid_cap = soc_camera_try_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = soc_camera_g_fmt_vid_cap, .vidioc_g_fmt_vid_cap = soc_camera_g_fmt_vid_cap,
.vidioc_enum_fmt_vid_cap = soc_camera_enum_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = soc_camera_s_fmt_vid_cap, .vidioc_s_fmt_vid_cap = soc_camera_s_fmt_vid_cap,
.vidioc_enum_fmt_vid_cap = soc_camera_enum_fmt_vid_cap,
.vidioc_enum_input = soc_camera_enum_input, .vidioc_enum_input = soc_camera_enum_input,
.vidioc_g_input = soc_camera_g_input, .vidioc_g_input = soc_camera_g_input,
.vidioc_s_input = soc_camera_s_input, .vidioc_s_input = soc_camera_s_input,
.vidioc_s_std = soc_camera_s_std, .vidioc_s_std = soc_camera_s_std,
.vidioc_enum_framesizes = soc_camera_enum_fsizes, .vidioc_enum_framesizes = soc_camera_enum_fsizes,
.vidioc_reqbufs = soc_camera_reqbufs, .vidioc_reqbufs = soc_camera_reqbufs,
.vidioc_try_fmt_vid_cap = soc_camera_try_fmt_vid_cap,
.vidioc_querybuf = soc_camera_querybuf, .vidioc_querybuf = soc_camera_querybuf,
.vidioc_qbuf = soc_camera_qbuf, .vidioc_qbuf = soc_camera_qbuf,
.vidioc_dqbuf = soc_camera_dqbuf, .vidioc_dqbuf = soc_camera_dqbuf,
.vidioc_create_bufs = soc_camera_create_bufs,
.vidioc_prepare_buf = soc_camera_prepare_buf,
.vidioc_streamon = soc_camera_streamon, .vidioc_streamon = soc_camera_streamon,
.vidioc_streamoff = soc_camera_streamoff, .vidioc_streamoff = soc_camera_streamoff,
.vidioc_cropcap = soc_camera_cropcap, .vidioc_cropcap = soc_camera_cropcap,