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[media] V4L: Add MATRIX option to V4L2_CID_EXPOSURE_METERING control
This patch adds a menu option to the V4L2_CID_EXPOSURE_METERING control for multi-zone metering. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -3142,6 +3142,13 @@ giving priority to the center of the metered area.</entry>
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<entry><constant>V4L2_EXPOSURE_METERING_SPOT</constant> </entry>
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<entry>Measure only very small area at the center of the frame.</entry>
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</row>
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<row>
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<entry><constant>V4L2_EXPOSURE_METERING_MATRIX</constant> </entry>
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<entry>A multi-zone metering. The light intensity is measured
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in several points of the frame and the the results are combined. The
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algorithm of the zones selection and their significance in calculating the
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final value is device dependant.</entry>
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</row>
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</tbody>
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</entrytbl>
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</row>
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@ -234,6 +234,7 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
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"Average",
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"Center Weighted",
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"Spot",
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"Matrix",
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NULL
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};
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static const char * const camera_auto_focus_range[] = {
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@ -658,6 +658,7 @@ enum v4l2_exposure_metering {
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V4L2_EXPOSURE_METERING_AVERAGE = 0,
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V4L2_EXPOSURE_METERING_CENTER_WEIGHTED = 1,
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V4L2_EXPOSURE_METERING_SPOT = 2,
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V4L2_EXPOSURE_METERING_MATRIX = 3,
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};
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#define V4L2_CID_SCENE_MODE (V4L2_CID_CAMERA_CLASS_BASE+26)
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