CMD_WREG
ret = msi2500_ctrl_msg(dev, CMD_WREG, data);
ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00608008);
ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00000c05);
ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00020000);
ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00480102);
ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00f38008);
ret = msi2500_ctrl_msg(dev, CMD_WREG, reg7);
ret = msi2500_ctrl_msg(dev, CMD_WREG, reg4);
ret = msi2500_ctrl_msg(dev, CMD_WREG, reg3);
msi2500_ctrl_msg(dev, CMD_WREG, 0x01000003);