get_manual_wb_rb_gain_func_t

Updated: October 26, 2022

Retrieve the current white balance red and blue gain values

Synopsis:

#include <camera/external_camera_api.h>
typedef int(* get_manual_wb_rb_gain_func_t)(void *handle,
            unsigned *redGain,
            unsigned *blueGain);

Arguments:

handle
The handle that's returned from calling the function open_external_camera_func_t.
redGain
The returned white balance red gain value.
blueGain
The returned white balance blue gain value.

Library:

libcamapi

Description:

This function retrieves the currently configured white balance red and blue gain values.

Note:

This function is optional. If it is not present, retrieving the white balance red and blue gain values will not be supported for this camera.

Returns:

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