18c2ecf20Sopenharmony_ci.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 28c2ecf20Sopenharmony_ci.. c:namespace:: DTV.audio 38c2ecf20Sopenharmony_ci 48c2ecf20Sopenharmony_ci.. _AUDIO_GET_CAPABILITIES: 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci====================== 78c2ecf20Sopenharmony_ciAUDIO_GET_CAPABILITIES 88c2ecf20Sopenharmony_ci====================== 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciName 118c2ecf20Sopenharmony_ci---- 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciAUDIO_GET_CAPABILITIES 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci.. attention:: This ioctl is deprecated 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ciSynopsis 188c2ecf20Sopenharmony_ci-------- 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci.. c:macro:: AUDIO_GET_CAPABILITIES 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ci``int ioctl(int fd, AUDIO_GET_CAPABILITIES, unsigned int *cap)`` 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ciArguments 258c2ecf20Sopenharmony_ci--------- 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ci.. flat-table:: 288c2ecf20Sopenharmony_ci :header-rows: 0 298c2ecf20Sopenharmony_ci :stub-columns: 0 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci - 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ci - int fd 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci - File descriptor returned by a previous call to open(). 368c2ecf20Sopenharmony_ci 378c2ecf20Sopenharmony_ci - 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci - unsigned int \*cap 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_ci - Returns a bit array of supported sound formats. 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_ciDescription 448c2ecf20Sopenharmony_ci----------- 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ciThis ioctl call asks the Audio Device to tell us about the decoding 478c2ecf20Sopenharmony_cicapabilities of the audio hardware. 488c2ecf20Sopenharmony_ci 498c2ecf20Sopenharmony_ciReturn Value 508c2ecf20Sopenharmony_ci------------ 518c2ecf20Sopenharmony_ci 528c2ecf20Sopenharmony_ciOn success 0 is returned, on error -1 and the ``errno`` variable is set 538c2ecf20Sopenharmony_ciappropriately. The generic error codes are described at the 548c2ecf20Sopenharmony_ci:ref:`Generic Error Codes <gen-errors>` chapter. 55