vc04_services: isp: Report input node as wanting full range RAW color space

RAW color spaces are more usually reported as having full range
quantization.

Tested using libcamera.

Signed-off-by: David Plowman <[email protected]>

Author: davidplowman

drivers/staging/vc04_services/bcm2835-isp/bcm2835-v4l2-isp.c

@@ -1032,7 +1032,9 @@ static int bcm2835_isp_node_try_fmt(struct file *file, void *priv,
 		/* In all cases, we only support the defaults for these: */
 		f->fmt.pix.ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(f->fmt.pix.colorspace);
 		f->fmt.pix.xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(f->fmt.pix.colorspace);
-		is_rgb = f->fmt.pix.colorspace == V4L2_COLORSPACE_SRGB;
+		/* RAW counts as sRGB here so that we get full range. */
+		is_rgb = f->fmt.pix.colorspace == V4L2_COLORSPACE_SRGB ||
+			f->fmt.pix.colorspace == V4L2_COLORSPACE_RAW;
 		f->fmt.pix.quantization = V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb, f->fmt.pix.colorspace,
 									f->fmt.pix.ycbcr_enc);