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- .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
- .. _dvb_ca:
- ####################
- 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
- application.
- .. note::
- There are three ioctls at this API that aren't documented:
- :ref:`CA_GET_MSG`, :ref:`CA_SEND_MSG` and :ref:`CA_SET_DESCR`.
- Documentation for them are welcome.
- .. toctree::
- :maxdepth: 1
- ca_data_types
- ca_function_calls
- ca_high_level
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