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kernel / Documentation / userspace-api / media / dvb / query-dvb-frontend-info.rst
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1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2 3.. _query-dvb-frontend-info: 4 5***************************** 6Querying frontend information 7***************************** 8 9Usually, the first thing to do when the frontend is opened is to check 10the frontend capabilities. This is done using 11:ref:`FE_GET_INFO`. This ioctl will enumerate the 12Digital TV API version and other characteristics about the frontend, and can 13be opened either in read only or read/write mode.