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diff --git a/Documentation/userspace-api/media/dvb/audio-set-bypass-mode.rst b/Documentation/userspace-api/media/dvb/audio-set-bypass-mode.rst new file mode 100644 index 000000000..ecac02f1b --- /dev/null +++ b/Documentation/userspace-api/media/dvb/audio-set-bypass-mode.rst @@ -0,0 +1,62 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.audio + +.. _AUDIO_SET_BYPASS_MODE: + +===================== +AUDIO_SET_BYPASS_MODE +===================== + +Name +---- + +AUDIO_SET_BYPASS_MODE + +.. attention:: This ioctl is deprecated + +Synopsis +-------- + +.. c:macro:: AUDIO_SET_BYPASS_MODE + +``int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean mode)`` + +Arguments +--------- + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + - + + - int fd + + - File descriptor returned by a previous call to open(). + + - + + - boolean mode + + - Enables or disables the decoding of the current Audio stream in + the Digital TV subsystem. + + TRUE: Bypass is disabled + + FALSE: Bypass is enabled + +Description +----------- + +This ioctl call asks the Audio Device to bypass the Audio decoder and +forward the stream without decoding. This mode shall be used if streams +that can’t be handled by the Digital TV system shall be decoded. Dolby +DigitalTM streams are automatically forwarded by the Digital TV subsystem if +the hardware can handle it. + +Return Value +------------ + +On success 0 is returned, on error -1 and the ``errno`` variable is set +appropriately. The generic error codes are described at the +:ref:`Generic Error Codes <gen-errors>` chapter. |