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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2010-01-20 18:12:57 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-05-18 07:52:51 +0400 |
| commit | 48213fe3f981d2cbccd926d6858fa9cf8617beed (patch) | |
| tree | e0d7b046c576f5cf1914a0486194d8ac8ff4c730 | |
| parent | f129b03ba272c86c42ad476684caa0d6109cb383 (diff) | |
| download | linux-48213fe3f981d2cbccd926d6858fa9cf8617beed.tar.xz | |
V4L/DVB: v4l: Add V4L2_CID_IRIS_ABSOLUTE and V4L2_CID_IRIS_RELATIVE controls
Those control, as their names imply, control the camera aperture
settings.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | Documentation/DocBook/v4l/compat.xml | 11 | ||||
| -rw-r--r-- | Documentation/DocBook/v4l/controls.xml | 19 | ||||
| -rw-r--r-- | Documentation/DocBook/v4l/videodev2.h.xml | 3 | ||||
| -rw-r--r-- | drivers/media/video/v4l2-common.c | 3 | ||||
| -rw-r--r-- | include/linux/videodev2.h | 3 |
5 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/DocBook/v4l/compat.xml b/Documentation/DocBook/v4l/compat.xml index b9dbdf9e6d29..854235b5208e 100644 --- a/Documentation/DocBook/v4l/compat.xml +++ b/Documentation/DocBook/v4l/compat.xml @@ -2332,6 +2332,17 @@ more information.</para> </listitem> </orderedlist> </section> + <section> + <title>V4L2 in Linux 2.6.34</title> + <orderedlist> + <listitem> + <para>Added +<constant>V4L2_CID_IRIS_ABSOLUTE</constant> and +<constant>V4L2_CID_IRIS_RELATIVE</constant> controls to the + <link linkend="camera-controls">Camera controls class</link>. + </para> + </listitem> + </orderedlist> </section> <section id="other"> diff --git a/Documentation/DocBook/v4l/controls.xml b/Documentation/DocBook/v4l/controls.xml index e1bdbb6eff84..7e0c68747134 100644 --- a/Documentation/DocBook/v4l/controls.xml +++ b/Documentation/DocBook/v4l/controls.xml @@ -1831,6 +1831,25 @@ wide-angle direction. The zoom speed unit is driver-specific.</entry> <row><entry></entry></row> <row> + <entry spanname="id"><constant>V4L2_CID_IRIS_ABSOLUTE</constant> </entry> + <entry>integer</entry> + </row><row><entry spanname="descr">This control sets the +camera's aperture to the specified value. The unit is undefined. +Larger values open the iris wider, smaller values close it.</entry> + </row> + <row><entry></entry></row> + + <row> + <entry spanname="id"><constant>V4L2_CID_IRIS_RELATIVE</constant> </entry> + <entry>integer</entry> + </row><row><entry spanname="descr">This control modifies the +camera's aperture by the specified amount. The unit is undefined. +Positive values open the iris one step further, negative values close +it one step further. This is a write-only control.</entry> + </row> + <row><entry></entry></row> + + <row> <entry spanname="id"><constant>V4L2_CID_PRIVACY</constant> </entry> <entry>boolean</entry> </row><row><entry spanname="descr">Prevent video from being acquired diff --git a/Documentation/DocBook/v4l/videodev2.h.xml b/Documentation/DocBook/v4l/videodev2.h.xml index 068325940658..c18dfebedeff 100644 --- a/Documentation/DocBook/v4l/videodev2.h.xml +++ b/Documentation/DocBook/v4l/videodev2.h.xml @@ -1271,6 +1271,9 @@ enum <link linkend="v4l2-exposure-auto-type">v4l2_exposure_auto_type</link> { #define V4L2_CID_PRIVACY (V4L2_CID_CAMERA_CLASS_BASE+16) +#define V4L2_CID_IRIS_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+17) +#define V4L2_CID_IRIS_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+18) + /* FM Modulator class control IDs */ #define V4L2_CID_FM_TX_CLASS_BASE (V4L2_CTRL_CLASS_FM_TX | 0x900) #define V4L2_CID_FM_TX_CLASS (V4L2_CTRL_CLASS_FM_TX | 1) diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index cd1f21d9b079..67944f53a79a 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -489,6 +489,8 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_FOCUS_ABSOLUTE: return "Focus, Absolute"; case V4L2_CID_FOCUS_RELATIVE: return "Focus, Relative"; case V4L2_CID_FOCUS_AUTO: return "Focus, Automatic"; + case V4L2_CID_IRIS_ABSOLUTE: return "Iris, Absolute"; + case V4L2_CID_IRIS_RELATIVE: return "Iris, Relative"; case V4L2_CID_ZOOM_ABSOLUTE: return "Zoom, Absolute"; case V4L2_CID_ZOOM_RELATIVE: return "Zoom, Relative"; case V4L2_CID_ZOOM_CONTINUOUS: return "Zoom, Continuous"; @@ -643,6 +645,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste case V4L2_CID_PAN_RELATIVE: case V4L2_CID_TILT_RELATIVE: case V4L2_CID_FOCUS_RELATIVE: + case V4L2_CID_IRIS_RELATIVE: case V4L2_CID_ZOOM_RELATIVE: qctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY; break; diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 6fb0b2daa5b9..2559b182b8c4 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -1282,6 +1282,9 @@ enum v4l2_exposure_auto_type { #define V4L2_CID_PRIVACY (V4L2_CID_CAMERA_CLASS_BASE+16) +#define V4L2_CID_IRIS_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+17) +#define V4L2_CID_IRIS_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+18) + /* FM Modulator class control IDs */ #define V4L2_CID_FM_TX_CLASS_BASE (V4L2_CTRL_CLASS_FM_TX | 0x900) #define V4L2_CID_FM_TX_CLASS (V4L2_CTRL_CLASS_FM_TX | 1) |