get_ev_offset_func

Retrieve the current EV offset value

Synopsis:

#include <camera/external_camera_api.h>

typedef int(* get_ev_offset_func_t)(void *handle,
            double *value);

handle: The handle that's returned from calling the function open_external_camera_func_t.
value: The returned EV offset value.

libcamapi

This function retrieves the current EV offset value.

Note:

This function is optional. If it is not present, retrieving the EV offset value will not be supported for this camera.

CAMERA_EOK when the function successfully completes, otherwise another camera_error_t value that provides the reason that the call failed.