BIT_DMA_REQ_EN_RFF  340 drivers/staging/media/imx/imx7-media-csi.c 	cr3 |= BIT_DMA_REQ_EN_RFF;
BIT_DMA_REQ_EN_RFF  353 drivers/staging/media/imx/imx7-media-csi.c 	cr3 &= ~BIT_DMA_REQ_EN_RFF;