diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0483-media-add-V4L2_CID_UNIT_CELL_SIZE-control.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0483-media-add-V4L2_CID_UNIT_CELL_SIZE-control.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0483-media-add-V4L2_CID_UNIT_CELL_SIZE-control.patch b/target/linux/bcm27xx/patches-5.4/950-0483-media-add-V4L2_CID_UNIT_CELL_SIZE-control.patch new file mode 100644 index 0000000000..0c860c7e4a --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0483-media-add-V4L2_CID_UNIT_CELL_SIZE-control.patch @@ -0,0 +1,52 @@ +From 12eba72027d415bb3dfd4c8124813a322b27c793 Mon Sep 17 00:00:00 2001 +From: Ricardo Ribalda Delgado <ribalda@kernel.org> +Date: Mon, 7 Oct 2019 12:06:33 -0300 +Subject: [PATCH] media: add V4L2_CID_UNIT_CELL_SIZE control + +Commit 61fd036d01111679b01e4b92e6bd0cdd33809aea upstream. + +This control returns the unit cell size in nanometres. The struct provides +the width and the height in separated fields to take into consideration +asymmetric pixels and/or hardware binning. +This control is required for automatic calibration of sensors/cameras. + +Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> +Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org> +Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> +Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> +--- + drivers/media/v4l2-core/v4l2-ctrls.c | 5 +++++ + include/uapi/linux/v4l2-controls.h | 1 + + 2 files changed, 6 insertions(+) + +--- a/drivers/media/v4l2-core/v4l2-ctrls.c ++++ b/drivers/media/v4l2-core/v4l2-ctrls.c +@@ -995,6 +995,7 @@ const char *v4l2_ctrl_get_name(u32 id) + case V4L2_CID_AUTO_FOCUS_RANGE: return "Auto Focus, Range"; + case V4L2_CID_PAN_SPEED: return "Pan, Speed"; + case V4L2_CID_TILT_SPEED: return "Tilt, Speed"; ++ case V4L2_CID_UNIT_CELL_SIZE: return "Unit Cell Size"; + + /* FM Radio Modulator controls */ + /* Keep the order of the 'case's the same as in v4l2-controls.h! */ +@@ -1376,6 +1377,10 @@ void v4l2_ctrl_fill(u32 id, const char * + case V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER: + *type = V4L2_CTRL_TYPE_VP8_FRAME_HEADER; + break; ++ case V4L2_CID_UNIT_CELL_SIZE: ++ *type = V4L2_CTRL_TYPE_AREA; ++ *flags |= V4L2_CTRL_FLAG_READ_ONLY; ++ break; + default: + *type = V4L2_CTRL_TYPE_INTEGER; + break; +--- a/include/uapi/linux/v4l2-controls.h ++++ b/include/uapi/linux/v4l2-controls.h +@@ -1035,6 +1035,7 @@ enum v4l2_jpeg_chroma_subsampling { + #define V4L2_CID_TEST_PATTERN_GREENR (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 5) + #define V4L2_CID_TEST_PATTERN_BLUE (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 6) + #define V4L2_CID_TEST_PATTERN_GREENB (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 7) ++#define V4L2_CID_UNIT_CELL_SIZE (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 8) + + + /* Image processing controls */ |