Re: [PATCH] [media] imx: csi: retain current field order and colorimetry setting as default

[Russell King - ARM Linux <linux@armlinux.org.uk>]

On Thu, Apr 06, 2017 at 03:55:29PM +0200, Philipp Zabel wrote:
> +
> +	/* Retain current field setting as default */
> +	if (sdformat->format.field == V4L2_FIELD_ANY)
> +		sdformat->format.field = fmt->field;
> +
> +	/* Retain current colorspace setting as default */
> +	if (sdformat->format.colorspace == V4L2_COLORSPACE_DEFAULT) {
> +		sdformat->format.colorspace = fmt->colorspace;
> +		if (sdformat->format.xfer_func == V4L2_XFER_FUNC_DEFAULT)
> +			sdformat->format.xfer_func = fmt->xfer_func;
> +		if (sdformat->format.ycbcr_enc == V4L2_YCBCR_ENC_DEFAULT)
> +			sdformat->format.ycbcr_enc = fmt->ycbcr_enc;
> +		if (sdformat->format.quantization == V4L2_QUANTIZATION_DEFAULT)
> +			sdformat->format.quantization = fmt->quantization;
> +	} else {
> +		if (sdformat->format.xfer_func == V4L2_XFER_FUNC_DEFAULT) {
> +			sdformat->format.xfer_func =
> +				V4L2_MAP_XFER_FUNC_DEFAULT(
> +						sdformat->format.colorspace);
> +		}
> +		if (sdformat->format.ycbcr_enc == V4L2_YCBCR_ENC_DEFAULT) {
> +			sdformat->format.ycbcr_enc =
> +				V4L2_MAP_YCBCR_ENC_DEFAULT(
> +						sdformat->format.colorspace);
> +		}
> +		if (sdformat->format.quantization == V4L2_QUANTIZATION_DEFAULT) {
> +			sdformat->format.quantization =
> +				V4L2_MAP_QUANTIZATION_DEFAULT(
> +						cc->cs != IPUV3_COLORSPACE_YUV,
> +						sdformat->format.colorspace,
> +						sdformat->format.ycbcr_enc);
> +		}
> +	}

Would it make sense for this to be a helper function?

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