On Mon, Jun 20, 2022 at 07:55:16PM +0200, Jernej Skrabec wrote:
> Now that controls can be dynamic arrays, we need to know how many
> elements are in such array. Add a helper for that.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>
Reviewed-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/staging/media/sunxi/cedrus/cedrus.c | 11 +++++++++++
> drivers/staging/media/sunxi/cedrus/cedrus.h | 1 +
> 2 files changed, 12 insertions(+)
>
> diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c
> index 99c87319d2b4..b855e608885c 100644
> --- a/drivers/staging/media/sunxi/cedrus/cedrus.c
> +++ b/drivers/staging/media/sunxi/cedrus/cedrus.c
> @@ -232,6 +232,17 @@ void *cedrus_find_control_data(struct cedrus_ctx *ctx, u32 id)
> return NULL;
> }
>
> +u32 cedrus_get_num_of_controls(struct cedrus_ctx *ctx, u32 id)
> +{
> + unsigned int i;
> +
> + for (i = 0; ctx->ctrls[i]; i++)
> + if (ctx->ctrls[i]->id == id)
> + return ctx->ctrls[i]->elems;
> +
> + return 0;
> +}
> +
> static int cedrus_init_ctrls(struct cedrus_dev *dev, struct cedrus_ctx *ctx)
> {
> struct v4l2_ctrl_handler *hdl = &ctx->hdl;
> diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h
> index d2b697a9ded2..15a1bdbf6a1f 100644
> --- a/drivers/staging/media/sunxi/cedrus/cedrus.h
> +++ b/drivers/staging/media/sunxi/cedrus/cedrus.h
> @@ -261,5 +261,6 @@ vb2_to_cedrus_buffer(const struct vb2_buffer *p)
> }
>
> void *cedrus_find_control_data(struct cedrus_ctx *ctx, u32 id);
> +u32 cedrus_get_num_of_controls(struct cedrus_ctx *ctx, u32 id);
>
> #endif
> --
> 2.36.1
>
