Hi Mauro, On Thursday 18 March 2010 13:19:57 Mauro Carvalho Chehab wrote: > Laurent Pinchart wrote: > > Those control, as their names imply, control the camera aperture > > settings. > > > > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > --- > > > > Documentation/DocBook/v4l/compat.xml | 11 +++++++++++ > > Documentation/DocBook/v4l/controls.xml | 19 +++++++++++++++++++ > > Documentation/DocBook/v4l/videodev2.h.xml | 3 +++ > > include/linux/videodev2.h | 3 +++ > > 4 files changed, 36 insertions(+), 0 deletions(-) > > > > diff --git a/Documentation/DocBook/v4l/compat.xml > > b/Documentation/DocBook/v4l/compat.xml index b9dbdf9..854235b 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 f464506..c412e89 100644 > > --- a/Documentation/DocBook/v4l/controls.xml > > +++ b/Documentation/DocBook/v4l/controls.xml > > @@ -1825,6 +1825,25 @@ 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 aperture's to the specified value. The unit is undefined. > > +Positive values open the iris, negative 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 aperture's 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 > > Seems ok to me, but it would be good to add some sort of scale for those > controls. I'd love to, but most iris controllers will just let you specify a value in an arbitrary scale (0 for closed, 255 for fully opened for instance). In that case do we want to force driver developers to measure the aperture in µm units with a micrometer caliper ? :-) -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
