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Diffstat (limited to 'Documentation/userspace-api/media/dvb/audio-set-mixer.rst')
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diff --git a/Documentation/userspace-api/media/dvb/audio-set-mixer.rst b/Documentation/userspace-api/media/dvb/audio-set-mixer.rst new file mode 100644 index 000000000..45dbdf480 --- /dev/null +++ b/Documentation/userspace-api/media/dvb/audio-set-mixer.rst @@ -0,0 +1,53 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.audio + +.. _AUDIO_SET_MIXER: + +=============== +AUDIO_SET_MIXER +=============== + +Name +---- + +AUDIO_SET_MIXER + +.. attention:: This ioctl is deprecated + +Synopsis +-------- + +.. c:macro:: AUDIO_SET_MIXER + +``int ioctl(int fd, AUDIO_SET_MIXER, struct audio_mixer *mix)`` + +Arguments +--------- + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + - + + - int fd + + - File descriptor returned by a previous call to open(). + + - + + - audio_mixer_t \*mix + + - mixer settings. + +Description +----------- + +This ioctl lets you adjust the mixer settings of the audio decoder. + +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. |