18c2ecf20Sopenharmony_ci.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 28c2ecf20Sopenharmony_ci.. c:namespace:: DTV.fe 38c2ecf20Sopenharmony_ci 48c2ecf20Sopenharmony_ci.. _FE_DISEQC_SEND_MASTER_CMD: 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci******************************* 78c2ecf20Sopenharmony_ciioctl FE_DISEQC_SEND_MASTER_CMD 88c2ecf20Sopenharmony_ci******************************* 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciName 118c2ecf20Sopenharmony_ci==== 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciFE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ciSynopsis 168c2ecf20Sopenharmony_ci======== 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci.. c:macro:: FE_DISEQC_SEND_MASTER_CMD 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci``int ioctl(int fd, FE_DISEQC_SEND_MASTER_CMD, struct dvb_diseqc_master_cmd *argp)`` 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ciArguments 238c2ecf20Sopenharmony_ci========= 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci``fd`` 268c2ecf20Sopenharmony_ci File descriptor returned by :c:func:`open()`. 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ci``argp`` 298c2ecf20Sopenharmony_ci pointer to struct 308c2ecf20Sopenharmony_ci :c:type:`dvb_diseqc_master_cmd` 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ciDescription 338c2ecf20Sopenharmony_ci=========== 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ciSends the DiSEqC command pointed by :c:type:`dvb_diseqc_master_cmd` 368c2ecf20Sopenharmony_cito the antenna subsystem. 378c2ecf20Sopenharmony_ci 388c2ecf20Sopenharmony_ciReturn Value 398c2ecf20Sopenharmony_ci============ 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_ciOn success 0 is returned. 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_ciOn error -1 is returned, and the ``errno`` variable is set 448c2ecf20Sopenharmony_ciappropriately. 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ciGeneric error codes are described at the 478c2ecf20Sopenharmony_ci:ref:`Generic Error Codes <gen-errors>` chapter. 488c2ecf20Sopenharmony_ci 49