xref: /openbmc/linux/Documentation/userspace-api/media/dvb/query-dvb-frontend-info.rst (revision 29e1c1ad3ff7f345d80c7b81b08175f5a8c84122)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2
3.. _query-dvb-frontend-info:
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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.
14