From 44d44a1acde974dbc91c19815a41d3a895a44daf Mon Sep 17 00:00:00 2001 From: Sylwester Nawrocki Date: Tue, 6 Mar 2012 07:05:45 -0300 Subject: [media] V4L: Add camera wide dynamic range control Add V4L2_CID_WIDE_DYNAMIC_RANGE camera class control for the camera wide dynamic range (WDR, HDR) feature. This control can be used to enable/disable wide dynamic range. It might get converted to a menu control in future if more options are needed. Signed-off-by: HeungJun Kim Signed-off-by: Sylwester Nawrocki Signed-off-by: Kyungmin Park Signed-off-by: Mauro Carvalho Chehab --- Documentation/DocBook/media/v4l/controls.xml | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'Documentation') diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index 56dfdf02c76b..16c7aab595af 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -3092,6 +3092,21 @@ sky. It corresponds approximately to 9000...10000 K color temperature. + + V4L2_CID_WIDE_DYNAMIC_RANGE + boolean + + + Enables or disables the camera's wide dynamic +range feature. This feature allows to obtain clear images in situations where +intensity of the illumination varies significantly throughout the scene, i.e. +there are simultaneously very dark and very bright areas. It is most commonly +realized in cameras by combining two subsequent frames with different exposure +times. This control may be changed to a menu +control in the future, if more options are required. + + + -- cgit v1.2.3