set_contrast_func

Adjust the contrast value

Synopsis:

#include <camera/external_camera_api.h>

typedef int(* set_contrast_func_t)(void *handle,
            int32_t contrast);

handle: The handle that's returned from calling the function open_external_camera_func_t.
contrast: The contrast value to set.

libcamapi

This function sets the contrast value for a defined camera.

Note:

This function is optional. If it is not present, setting the contrast 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.