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Querying frontend information

Documentation/userspace-api/media/dvb/query-dvb-frontend-info.rst

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.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later

.. _query-dvb-frontend-info:

Querying frontend information

Usually, the first thing to do when the frontend is opened is to check the frontend capabilities. This is done using :ref:FE_GET_INFO. This ioctl will enumerate the Digital TV API version and other characteristics about the frontend, and can be opened either in read only or read/write mode.