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-rw-r--r--Documentation/DocBook/media/v4l/controls.xml7
-rw-r--r--drivers/media/v4l2-core/v4l2-ctrls.c1
-rw-r--r--include/uapi/linux/v4l2-controls.h1
3 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
index c8eb6c22227..8d7a77928d4 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -3142,6 +3142,13 @@ giving priority to the center of the metered area.</entry>
<entry><constant>V4L2_EXPOSURE_METERING_SPOT</constant>&nbsp;</entry>
<entry>Measure only very small area at the center of the frame.</entry>
</row>
+ <row>
+ <entry><constant>V4L2_EXPOSURE_METERING_MATRIX</constant>&nbsp;</entry>
+ <entry>A multi-zone metering. The light intensity is measured
+in several points of the frame and the the results are combined. The
+algorithm of the zones selection and their significance in calculating the
+final value is device dependant.</entry>
+ </row>
</tbody>
</entrytbl>
</row>
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index ec89fd16361..ebb8e48619a 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -234,6 +234,7 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
"Average",
"Center Weighted",
"Spot",
+ "Matrix",
NULL
};
static const char * const camera_auto_focus_range[] = {
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index 7da22cec30c..69bd5bb0d5a 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -658,6 +658,7 @@ enum v4l2_exposure_metering {
V4L2_EXPOSURE_METERING_AVERAGE = 0,
V4L2_EXPOSURE_METERING_CENTER_WEIGHTED = 1,
V4L2_EXPOSURE_METERING_SPOT = 2,
+ V4L2_EXPOSURE_METERING_MATRIX = 3,
};
#define V4L2_CID_SCENE_MODE (V4L2_CID_CAMERA_CLASS_BASE+26)