4. Digital TV CA Device¶
The Digital TV CA device controls the conditional access hardware. It
can be accessed through
/dev/dvb/adapter?/ca?. Data types and ioctl
definitions can be accessed by including
linux/dvb/ca.h in your
There are three ioctls at this API that aren't documented: CA_GET_MSG, CA_SEND_MSG and CA_SET_DESCR. Documentation for them are welcome.