audio-set-mixer.rst (880B)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.audio 3 4.. _AUDIO_SET_MIXER: 5 6=============== 7AUDIO_SET_MIXER 8=============== 9 10Name 11---- 12 13AUDIO_SET_MIXER 14 15.. attention:: This ioctl is deprecated 16 17Synopsis 18-------- 19 20.. c:macro:: AUDIO_SET_MIXER 21 22``int ioctl(int fd, AUDIO_SET_MIXER, struct audio_mixer *mix)`` 23 24Arguments 25--------- 26 27.. flat-table:: 28 :header-rows: 0 29 :stub-columns: 0 30 31 - 32 33 - int fd 34 35 - File descriptor returned by a previous call to open(). 36 37 - 38 39 - audio_mixer_t \*mix 40 41 - mixer settings. 42 43Description 44----------- 45 46This ioctl lets you adjust the mixer settings of the audio decoder. 47 48Return Value 49------------ 50 51On success 0 is returned, on error -1 and the ``errno`` variable is set 52appropriately. The generic error codes are described at the 53:ref:`Generic Error Codes <gen-errors>` chapter.