18c2ecf20Sopenharmony_ci.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ci.. _query-dvb-frontend-info: 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci***************************** 68c2ecf20Sopenharmony_ciQuerying frontend information 78c2ecf20Sopenharmony_ci***************************** 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ciUsually, the first thing to do when the frontend is opened is to check 108c2ecf20Sopenharmony_cithe frontend capabilities. This is done using 118c2ecf20Sopenharmony_ci:ref:`FE_GET_INFO`. This ioctl will enumerate the 128c2ecf20Sopenharmony_ciDigital TV API version and other characteristics about the frontend, and can 138c2ecf20Sopenharmony_cibe opened either in read only or read/write mode. 14