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Subject[RFC PATCH 2/3] media: v4l2: Add v4l2 control IDs for temperature
Date
Add a v4l2 control ID to handle the temperature.

Signed-off-by: Daniel Gomez <daniel@qtec.com>
---
drivers/media/v4l2-core/v4l2-ctrls.c | 5 +++++
include/uapi/linux/v4l2-controls.h | 4 +++-
2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 93d33d1db4e8..17b93111baa8 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -783,6 +783,7 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT: return "Min Number of Output Buffers";
case V4L2_CID_ALPHA_COMPONENT: return "Alpha Component";
case V4L2_CID_COLORFX_CBCR: return "Color Effects, CbCr";
+ case V4L2_CID_TEMPERATURE: return "Temperature";

/* Codec controls */
/* The MPEG controls are applicable to all codec controls
@@ -1344,6 +1345,10 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
*type = V4L2_CTRL_TYPE_INTEGER;
*flags |= V4L2_CTRL_FLAG_READ_ONLY;
break;
+ case V4L2_CID_TEMPERATURE:
+ *type = V4L2_CTRL_TYPE_INTEGER;
+ *flags |= V4L2_CTRL_FLAG_VOLATILE | V4L2_CTRL_FLAG_READ_ONLY;
+ break;
case V4L2_CID_MPEG_VIDEO_DEC_PTS:
*type = V4L2_CTRL_TYPE_INTEGER64;
*flags |= V4L2_CTRL_FLAG_VOLATILE | V4L2_CTRL_FLAG_READ_ONLY;
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index 1a58d7cc4ccc..76ec0a6da8d5 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -143,8 +143,10 @@ enum v4l2_colorfx {
#define V4L2_CID_ALPHA_COMPONENT (V4L2_CID_BASE+41)
#define V4L2_CID_COLORFX_CBCR (V4L2_CID_BASE+42)

+#define V4L2_CID_TEMPERATURE (V4L2_CID_BASE+43)
+
/* last CID + 1 */
-#define V4L2_CID_LASTP1 (V4L2_CID_BASE+43)
+#define V4L2_CID_LASTP1 (V4L2_CID_BASE+44)

/* USER-class private control IDs */

--
2.25.1
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