Re: [PATCH/RFC v2 13/15] adv748x: csi2: only allow formats on sink pads

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Hi Niklas,

On 14/12/17 19:08, Niklas Söderlund wrote:
> The driver is now pad and stream aware, only allow to get/set format on
> sink pads.

Ok - I can see the patch is doing this ...

> Also record a different format for each sink pad since it's
> no longer true that they are all the same

But I can't see how the patch is doing this ^ ?

What have I missed?

--
Kieran

> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
> ---
>  drivers/media/i2c/adv748x/adv748x-csi2.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c
> index 39f993282dd3bb5c..291b35bef49d41fb 100644
> --- a/drivers/media/i2c/adv748x/adv748x-csi2.c
> +++ b/drivers/media/i2c/adv748x/adv748x-csi2.c
> @@ -176,6 +176,9 @@ static int adv748x_csi2_get_format(struct v4l2_subdev *sd,
>  	struct adv748x_state *state = tx->state;
>  	struct v4l2_mbus_framefmt *mbusformat;
>  
> +	if (sdformat->pad != ADV748X_CSI2_SINK)
> +		return -EINVAL;
> +
>  	mbusformat = adv748x_csi2_get_pad_format(sd, cfg, sdformat->pad,
>  						 sdformat->which);
>  	if (!mbusformat)
> @@ -199,6 +202,9 @@ static int adv748x_csi2_set_format(struct v4l2_subdev *sd,
>  	struct v4l2_mbus_framefmt *mbusformat;
>  	int ret = 0;
>  
> +	if (sdformat->pad != ADV748X_CSI2_SINK)
> +		return -EINVAL;
> +
>  	mbusformat = adv748x_csi2_get_pad_format(sd, cfg, sdformat->pad,
>  						 sdformat->which);
>  	if (!mbusformat)
> 



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