ctrl_set_value,
                false
        },
-/*     {
- *             0, MMAL_CONTROL_TYPE_CLUSTER, 3, 1, 0, NULL, 0, NULL
- *     },
- */
        {
                V4L2_CID_EXPOSURE_AUTO, MMAL_CONTROL_TYPE_STD_MENU,
                ~0x03, V4L2_EXPOSURE_APERTURE_PRIORITY, V4L2_EXPOSURE_AUTO, 0,
                ctrl_set_exposure,
                false
        },
-/* todo this needs mixing in with set exposure
- *     {
- *             V4L2_CID_SCENE_MODE, MMAL_CONTROL_TYPE_STD_MENU,
- *     },
- */
        {
                V4L2_CID_EXPOSURE_ABSOLUTE, MMAL_CONTROL_TYPE_STD,
                /* Units of 100usecs */
        },
        {
                V4L2_CID_SCENE_MODE, MMAL_CONTROL_TYPE_STD_MENU,
-               -1,     /* Min is computed at runtime */
+               -1,     /* Min (mask) is computed at runtime */
                V4L2_SCENE_MODE_TEXT,
                V4L2_SCENE_MODE_NONE, 1, NULL,
                MMAL_PARAMETER_PROFILE,