diff options
Diffstat (limited to 'Documentation/DocBook/v4l/controls.xml')
| -rw-r--r-- | Documentation/DocBook/v4l/controls.xml | 48 |
1 files changed, 42 insertions, 6 deletions
diff --git a/Documentation/DocBook/v4l/controls.xml b/Documentation/DocBook/v4l/controls.xml index f46450610412..2fae3e87ce73 100644 --- a/Documentation/DocBook/v4l/controls.xml +++ b/Documentation/DocBook/v4l/controls.xml @@ -267,6 +267,12 @@ minimum value disables backlight compensation.</entry> <entry>Chroma automatic gain control.</entry> </row> <row> + <entry><constant>V4L2_CID_CHROMA_GAIN</constant></entry> + <entry>integer</entry> + <entry>Adjusts the Chroma gain control (for use when chroma AGC + is disabled).</entry> + </row> + <row> <entry><constant>V4L2_CID_COLOR_KILLER</constant></entry> <entry>boolean</entry> <entry>Enable the color killer (&ie; force a black & white image in case of a weak video signal).</entry> @@ -277,8 +283,15 @@ minimum value disables backlight compensation.</entry> <entry>Selects a color effect. Possible values for <constant>enum v4l2_colorfx</constant> are: <constant>V4L2_COLORFX_NONE</constant> (0), -<constant>V4L2_COLORFX_BW</constant> (1) and -<constant>V4L2_COLORFX_SEPIA</constant> (2).</entry> +<constant>V4L2_COLORFX_BW</constant> (1), +<constant>V4L2_COLORFX_SEPIA</constant> (2), +<constant>V4L2_COLORFX_NEGATIVE</constant> (3), +<constant>V4L2_COLORFX_EMBOSS</constant> (4), +<constant>V4L2_COLORFX_SKETCH</constant> (5), +<constant>V4L2_COLORFX_SKY_BLUE</constant> (6), +<constant>V4L2_COLORFX_GRASS_GREEN</constant> (7), +<constant>V4L2_COLORFX_SKIN_WHITEN</constant> (8) and +<constant>V4L2_COLORFX_VIVID</constant> (9).</entry> </row> <row> <entry><constant>V4L2_CID_ROTATE</constant></entry> @@ -299,10 +312,17 @@ minimum value disables backlight compensation.</entry> 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> @@ -344,9 +364,6 @@ enumerate_menu (void) querymenu.index++) { if (0 == ioctl (fd, &VIDIOC-QUERYMENU;, &querymenu)) { printf (" %s\n", querymenu.name); - } else { - perror ("VIDIOC_QUERYMENU"); - exit (EXIT_FAILURE); } } } @@ -1825,6 +1842,25 @@ 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 |
