1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2 3 .. _dvb_ca: 4 5 #################### 6 Digital TV CA Device 7 #################### 8 9 The Digital TV CA device controls the conditional access hardware. It 10 can be accessed through ``/dev/dvb/adapter?/ca?``. Data types and ioctl 11 definitions can be accessed by including ``linux/dvb/ca.h`` in your 12 application. 13 14 .. note:: 15 16 There are three ioctls at this API that aren't documented: 17 :ref:`CA_GET_MSG`, :ref:`CA_SEND_MSG` and :ref:`CA_SET_DESCR`. 18 Documentation for them are welcome. 19 20 .. toctree:: 21 :maxdepth: 1 22 23 ca_data_types 24 ca_function_calls 25 ca_high_level
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