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V4L/DVB: v4l2: Add illuminator controls

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Some media devices (microscopes) may have one or many illuminators.
This patch makes them controlable by the applications.

Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Acked-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-François Moine
2010-09-13 07:04:49 -03:00
committed by Mauro Carvalho Chehab
parent 2a3b501ffd
commit 008d35f2f5
3 changed files with 16 additions and 2 deletions
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9
Documentation/DocBook/v4l/controls.xml
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@@ -311,11 +311,18 @@ minimum value disables backlight compensation.</entry>
bits 8-15 Green color information, bits 16-23 Blue color
information and bits 24-31 must be zero.</entry>
</row>
<row>
<entry><constant>V4L2_CID_ILLUMINATORS_1</constant>
<constant>V4L2_CID_ILLUMINATORS_2</constant></entry>
<entry>boolean</entry>
<entry>Switch on or off the illuminator 1 or 2 of the device
(usually a microscope).</entry>
</row>
<row>
<entry><constant>V4L2_CID_LASTP1</constant></entry>
<entry></entry>
<entry>End of the predefined control IDs (currently
<constant>V4L2_CID_BG_COLOR</constant> + 1).</entry>
<constant>V4L2_CID_ILLUMINATORS_2</constant> + 1).</entry>
</row>
<row>
<entry><constant>V4L2_CID_PRIVATE_BASE</constant></entry>