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@xxxxxx> Cc: Hans Verkuil <hverkuil@xxxxxxxxx> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx> Cc: Pawel Osciak <pawel@xxxxxxxxxx> Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxxxxxxxxxxxxx> --- 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 ac23916..5943235 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, + const 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) { @@ -1101,6 +1127,7 @@ 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; } } @@ -1366,19 +1393,21 @@ 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_queryctrl = soc_camera_queryctrl, -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html