CAM_MAX_ISO_OVERRIDE  212 include/camera.h     #undef  CAM_MAX_ISO_OVERRIDE                // Defines max 'market' (non-zero) ISO override value - higher value may crash
CAM_MAX_ISO_OVERRIDE  125 platform/sx410is/platform_camera.h     #define CAM_MAX_ISO_OVERRIDE            1600
CAM_MAX_ISO_OVERRIDE  143 platform/sx520hs/platform_camera.h     #define CAM_MAX_ISO_OVERRIDE            3200    // https://chdk.setepontos.com/index.php?topic=12314.msg128683#msg128683
CAM_MAX_ISO_OVERRIDE  143 platform/sx530hs/platform_camera.h     #define CAM_MAX_ISO_OVERRIDE            3200    // https://chdk.setepontos.com/index.php?topic=12314.msg128683#msg128683