1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.audio
4 .. _AUDIO_GET_CAPABILITIES:
13 AUDIO_GET_CAPABILITIES
15 .. attention:: This ioctl is deprecated
20 .. c:macro:: AUDIO_GET_CAPABILITIES
22 ``int ioctl(int fd, AUDIO_GET_CAPABILITIES, unsigned int *cap)``
35 - File descriptor returned by a previous call to open().
41 - Returns a bit array of supported sound formats.
46 This ioctl call asks the Audio Device to tell us about the decoding
47 capabilities of the audio hardware.
52 On success 0 is returned, on error -1 and the ``errno`` variable is set
53 appropriately. The generic error codes are described at the
54 :ref:`Generic Error Codes <gen-errors>` chapter.