BKTR_VRE
*dma_prog++ = htole32(OP_SYNC | BKTR_RESYNC |BKTR_VRE);
*dma_prog++ = htole32(OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE);
*dma_prog++ = htole32(OP_SYNC | BKTR_GEN_IRQ | BKTR_VRE);
*dma_prog++ = htole32(OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE);
*dma_prog++ = htole32(OP_SYNC | BKTR_GEN_IRQ | BKTR_VRE);
*dma_prog++ = htole32(OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE);
*dma_prog++ = htole32(OP_SYNC | BKTR_GEN_IRQ | BKTR_VRE); /*sync vre*/
*dma_prog++ = htole32(OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE);
*dma_prog++ = htole32(OP_SYNC | BKTR_GEN_IRQ | BKTR_VRE); /*sync vre*/
*dma_prog++ = htole32(OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE);