diff options
| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2011-09-28 14:25:28 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-11-03 21:28:41 +0100 |
| commit | 7ae77ee92fea7c115324096372a2a125d8bc26d7 (patch) | |
| tree | 26fcb2f4c92ab3b16791a1d695a0bb7016d6d601 /drivers/media | |
| parent | [media] V4L: mx3-camera: prepare to support multi-size buffers (diff) | |
| download | linux-7ae77ee92fea7c115324096372a2a125d8bc26d7.tar.xz linux-7ae77ee92fea7c115324096372a2a125d8bc26d7.zip | |
[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>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/soc_camera.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index b56f4b78273d..8d5c421a803c 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c @@ -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); } +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 */ 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) || !try_module_get(control->driver->owner)) { icl->del_device(icd); + ret = -ENODEV; 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 = { .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_enum_fmt_vid_cap = soc_camera_enum_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_g_input = soc_camera_g_input, .vidioc_s_input = soc_camera_s_input, .vidioc_s_std = soc_camera_s_std, .vidioc_enum_framesizes = soc_camera_enum_fsizes, .vidioc_reqbufs = soc_camera_reqbufs, - .vidioc_try_fmt_vid_cap = soc_camera_try_fmt_vid_cap, .vidioc_querybuf = soc_camera_querybuf, .vidioc_qbuf = soc_camera_qbuf, .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_streamoff = soc_camera_streamoff, .vidioc_cropcap = soc_camera_cropcap, |