Re: [PATCH 3/4] media: i2c: adv748x: Implement get_mbus_config

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Hi Jacopo,

Thanks for your patch.

On 2020-03-13 15:40:34 +0100, Jacopo Mondi wrote:
> Implement the newly introduced get_mbus_config operation to report the
> number of currently used data lanes on the MIPI CSI-2 interface.
> 
> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>

> ---
>  drivers/media/i2c/adv748x/adv748x-csi2.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c
> index 2091cda50935..f13563da3ff3 100644
> --- a/drivers/media/i2c/adv748x/adv748x-csi2.c
> +++ b/drivers/media/i2c/adv748x/adv748x-csi2.c
> @@ -214,9 +214,24 @@ static int adv748x_csi2_set_format(struct v4l2_subdev *sd,
>  	return ret;
>  }
>  
> +static int adv748x_csi2_get_mbus_config(struct v4l2_subdev *sd, unsigned int pad,
> +					struct v4l2_mbus_pad_config *config)
> +{
> +	struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd);
> +
> +	if (pad != ADV748X_CSI2_SOURCE)
> +		return -EINVAL;
> +
> +	config->type = V4L2_MBUS_CSI2_DPHY;
> +	config->csi2_dphy.data_lanes = tx->active_lanes;
> +
> +	return 0;
> +}
> +
>  static const struct v4l2_subdev_pad_ops adv748x_csi2_pad_ops = {
>  	.get_fmt = adv748x_csi2_get_format,
>  	.set_fmt = adv748x_csi2_set_format,
> +	.get_mbus_config = adv748x_csi2_get_mbus_config,
>  };
>  
>  /* -----------------------------------------------------------------------------
> -- 
> 2.25.1
> 

-- 
Regards,
Niklas Söderlund



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