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Commit 441c0db6 authored by Helen Fornazier's avatar Helen Fornazier Committed by Mauro Carvalho Chehab
Browse files

[media] vimc: common: Add vimc_colorimetry_clamp 



Colorimetry value will always be checked in the same way. Adding a
helper macro for that

Signed-off-by: default avatarHelen Koike <helen.koike@collabora.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 288a22d4

drivers/media/platform/vimc/vimc-common.h

+26 −0
Original line number Diff line number Diff line
@@ -22,6 +22,32 @@ 
#include <media/media-device.h>

#include <media/v4l2-device.h>



/**

 * struct vimc_colorimetry_clamp - Adjust colorimetry parameters

 *

 * @fmt:		the pointer to struct v4l2_pix_format or

 *			struct v4l2_mbus_framefmt

 *

 * Entities must check if colorimetry given by the userspace is valid, if not

 * then set them as DEFAULT

 */

#define vimc_colorimetry_clamp(fmt)					\

do {									\

	if ((fmt)->colorspace == V4L2_COLORSPACE_DEFAULT		\

	    || (fmt)->colorspace > V4L2_COLORSPACE_DCI_P3) {		\

		(fmt)->colorspace = V4L2_COLORSPACE_DEFAULT;		\

		(fmt)->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;		\

		(fmt)->quantization = V4L2_QUANTIZATION_DEFAULT;	\

		(fmt)->xfer_func = V4L2_XFER_FUNC_DEFAULT;		\

	}								\

	if ((fmt)->ycbcr_enc > V4L2_YCBCR_ENC_SMPTE240M)		\

		(fmt)->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;		\

	if ((fmt)->quantization > V4L2_QUANTIZATION_LIM_RANGE)		\

		(fmt)->quantization = V4L2_QUANTIZATION_DEFAULT;	\

	if ((fmt)->xfer_func > V4L2_XFER_FUNC_SMPTE2084)		\

		(fmt)->xfer_func = V4L2_XFER_FUNC_DEFAULT;		\

} while (0)



/**

 * struct vimc_pix_map - maps media bus code with v4l2 pixel format

 *