.. 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 ` chapter.