#define FW_CDEV_IOC_CREATE_ISO_CONTEXT _IO('#', 0x04)
#define FW_CDEV_IOC_QUEUE_ISO _IO('#', 0x05)
#define FW_CDEV_IOC_START_ISO _IO('#', 0x06)
#define FW_CDEV_IOC_CREATE_ISO_CONTEXT _IO('#', 0x04)
#define FW_CDEV_IOC_QUEUE_ISO _IO('#', 0x05)
#define FW_CDEV_IOC_START_ISO _IO('#', 0x06)