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Add a new controls() method to the V4L2Device class to retrieve the map
of all supported controls. This is needed in order to dynamically query
the supported controls, for instance for drivers that support different
sets of controls depending on the device model.
To make the API easier to use, create a type alias for the control ID to
ControlInfo and use it.
Remove the getControlInfo() method that is not used externally, as it
can now be replaced by accessing the full list of controls.
Update the CameraSensor API accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Add min() and max() methods to V4L2ControlInfo to report the control's
minimum and maximum value respectively.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Add libcamera V4L2 control support, implemented using the V4L2 Extended
Control APIs. This patch defines the types used to create and manage
controls.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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