.. 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.