From: Ricardo Ribalda Delgado <ribalda@kernel.org>
To: Philipp Zabel <p.zabel@pengutronix.de>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
Jacopo Mondi <jacopo@jmondi.org>
Cc: Ricardo Ribalda Delgado <ribalda@kernel.org>
Subject: [PATCH v3 2/7] Documentation: media: Describe V4L2_CID_UNIT_CELL_SIZE
Date: Fri, 23 Aug 2019 14:37:32 +0200 [thread overview]
Message-ID: <20190823123737.7774-2-ribalda@kernel.org> (raw)
In-Reply-To: <20190823123737.7774-1-ribalda@kernel.org>
New control to pass to userspace the width/height of a pixel. Which is
needed for calibration and lens selection.
Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org>
---
Documentation/media/uapi/v4l/ext-ctrls-image-source.rst | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
index 2c3ab5796d76..6e728accf67b 100644
--- a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
+++ b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
@@ -55,3 +55,11 @@ Image Source Control IDs
``V4L2_CID_TEST_PATTERN_GREENB (integer)``
Test pattern green (next to blue) colour component.
+
+``V4L2_CID_UNIT_CELL_SIZE (struct)``
+ 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.
+ The unit cell consists of the whole area of the pixel, sensitive and
+ non-sensitive.
+ This control is required for automatic calibration sensors/cameras.
--
2.23.0.rc1
next prev parent reply other threads:[~2019-08-23 12:37 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-23 12:37 [PATCH v3 1/7] media: add V4L2_CID_UNIT_CELL_SIZE control Ricardo Ribalda Delgado
2019-08-23 12:37 ` Ricardo Ribalda Delgado [this message]
2019-08-23 12:56 ` [PATCH v3 2/7] Documentation: media: Describe V4L2_CID_UNIT_CELL_SIZE Philipp Zabel
2019-08-23 12:37 ` [PATCH v3 3/7] Documentation: media: Document V4L2_CTRL_TYPE_AREA Ricardo Ribalda Delgado
2019-08-23 12:56 ` Philipp Zabel
2019-08-26 7:40 ` Jacopo Mondi
2019-09-12 10:51 ` Ricardo Ribalda Delgado
2019-09-12 11:00 ` Hans Verkuil
2019-08-23 12:37 ` [PATCH v3 4/7] media: imx214: Add new control with V4L2_CID_UNIT_CELL_SIZE Ricardo Ribalda Delgado
2019-08-23 12:56 ` Philipp Zabel
2019-08-23 12:37 ` [PATCH v3 5/7] media: v4l2-core: Add new helper for area controls Ricardo Ribalda Delgado
2019-08-23 12:56 ` Philipp Zabel
2019-08-23 13:05 ` Ricardo Ribalda Delgado
2019-08-23 13:13 ` Philipp Zabel
2019-08-26 7:43 ` Jacopo Mondi
2019-08-29 10:57 ` Hans Verkuil
2019-08-23 12:37 ` [PATCH v3 6/7] Documentation: Document v4l2_ctrl_new area Ricardo Ribalda Delgado
2019-08-26 7:46 ` Jacopo Mondi
2019-08-23 12:37 ` [PATCH v3 7/7] imx214: Use v4l2_ctrl_new_area helper Ricardo Ribalda Delgado
2019-08-26 7:54 ` Jacopo Mondi
2019-08-26 7:12 ` [PATCH v3 1/7] media: add V4L2_CID_UNIT_CELL_SIZE control Jacopo Mondi
2019-08-26 7:30 ` Jacopo Mondi
2019-08-29 10:39 ` Hans Verkuil
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