CSI2RX_PAD_SINK
framefmt = v4l2_subdev_state_get_format(state, CSI2RX_PAD_SINK,
CSI2RX_PAD_SINK,
CSI2RX_PAD_SINK,
if (format->pad != CSI2RX_PAD_SINK)
.sink_pad = CSI2RX_PAD_SINK,
csi2rx->pads[CSI2RX_PAD_SINK].flags = MEDIA_PAD_FL_SINK;