On 03/25/2016 11:43 AM, Laurent Pinchart wrote:
> The subdev core code currently rely on the subdev open handler to
> initialize the file handle's pad configuration, even though subdevs now
> have a pad operation dedicated for that purpose.
>
> As a first step towards migration to init_cfg, call the operation
> operation in the subdev core open implementation. Subdevs that haven't
> been moved to init_cfg yet will just continue implementing pad config
> initialization in their open handler.
>
> Signed-off-by: Laurent Pinchart <[email protected]>
> ---
> drivers/media/v4l2-core/v4l2-subdev.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/media/v4l2-core/v4l2-subdev.c
> b/drivers/media/v4l2-core/v4l2-subdev.c
> index d4007f8f58d1..1fa6b713ee19 100644
> --- a/drivers/media/v4l2-core/v4l2-subdev.c
> +++ b/drivers/media/v4l2-core/v4l2-subdev.c
> @@ -83,6 +83,12 @@ static int subdev_open(struct file *file)
> }
> #endif
>
> +#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
> + ret = v4l2_subdev_call(sd, pad, init_cfg, subdev_fh->pad);
> + if (ret < 0 && ret != -ENOIOCTLCMD)
> + goto err;
> +#endif
Am I missing something here? Doesn't the subdev_fh_init() call earlier in this
function call pad.init_cfg already?
Regards,
Hans
> +
> if (sd->internal_ops && sd->internal_ops->open) {
> ret = sd->internal_ops->open(sd, subdev_fh);
> if (ret < 0)
>
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