W5_COMMAND
vpu_write_reg(vpu_dev, W5_COMMAND, W5_INIT_VPU);
vpu_write_reg(vpu_dev, W5_COMMAND, W5_SLEEP_VPU);
vpu_write_reg(vpu_dev, W5_COMMAND, W5_WAKEUP_VPU);
vpu_write_reg(vpu_dev, W5_COMMAND, cmd);
vpu_write_reg(vpu_dev, W5_COMMAND, W5_INIT_VPU);