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media: v4l: Add new Colorimetry Class

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Add Colorimetry control class for colorimetry controls

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Stanimir Varbanov
2021-01-19 15:04:22 +01:00
committed by Mauro Carvalho Chehab
parent 4ef6039fad
commit f31b9ffd96
2 changed files with 10 additions and 1 deletions
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7
drivers/media/v4l2-core/v4l2-ctrls.c
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@@ -1215,6 +1215,10 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_STATELESS_H264_DECODE_PARAMS: return "H264 Decode Parameters";
case V4L2_CID_STATELESS_FWHT_PARAMS: return "FWHT Stateless Parameters";
case V4L2_CID_STATELESS_VP8_FRAME: return "VP8 Frame Parameters";
/* Colorimetry controls */
/* Keep the order of the 'case's the same as in v4l2-controls.h! */
case V4L2_CID_COLORIMETRY_CLASS: return "Colorimetry Controls";
default:
return NULL;
}
@@ -1418,8 +1422,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_RF_TUNER_CLASS:
case V4L2_CID_DETECT_CLASS:
case V4L2_CID_CODEC_STATELESS_CLASS:
case V4L2_CID_COLORIMETRY_CLASS:
*type = V4L2_CTRL_TYPE_CTRL_CLASS;
/* You can neither read not write these */
/* You can neither read nor write these */
*flags |= V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY;
*min = *max = *step = *def = 0;
break;

4
include/uapi/linux/v4l2-controls.h
View File

@@ -66,6 +66,7 @@
#define V4L2_CTRL_CLASS_RF_TUNER 0x00a20000 /* RF tuner controls */
#define V4L2_CTRL_CLASS_DETECT 0x00a30000 /* Detection controls */
#define V4L2_CTRL_CLASS_CODEC_STATELESS 0x00a40000 /* Stateless codecs controls */
#define V4L2_CTRL_CLASS_COLORIMETRY 0x00a50000 /* Colorimetry controls */
/* User-class control IDs */
@@ -1861,6 +1862,9 @@ struct v4l2_ctrl_vp8_frame {
__u64 flags;
};
#define V4L2_CID_COLORIMETRY_CLASS_BASE (V4L2_CTRL_CLASS_COLORIMETRY | 0x900)
#define V4L2_CID_COLORIMETRY_CLASS (V4L2_CTRL_CLASS_COLORIMETRY | 1)
/* MPEG-compression definitions kept for backwards compatibility */
#ifndef __KERNEL__
#define V4L2_CTRL_CLASS_MPEG V4L2_CTRL_CLASS_CODEC