C3_ISP_PLANE_Y
y_dma_addr = cap->buff->dma_addr[C3_ISP_PLANE_Y];
stride = DIV_ROUND_UP(pix_mp->plane_fmt[C3_ISP_PLANE_Y].bytesperline,
dummy_buff->size = pix_mp->plane_fmt[C3_ISP_PLANE_Y].sizeimage;
max(pix_mp->plane_fmt[C3_ISP_PLANE_Y].sizeimage,